diff --git a/.gitignore b/.gitignore
index 0f95b4c..ee2cd46 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,6 +34,9 @@
 # CMake generates *.dir/ folders for in-tree builds (used by MSVC projects), ignore all of those:
 *.dir/
 
+# Microsoft CMake extension for Visual Studio Code generates a build directory by default
+/build/
+
 # Visual Studio artifacts
 /visualc/VS2010/.localhistory/
 /visualc/VS2010/.vs/
diff --git a/.travis.yml b/.travis.yml
index 0685bdb..c67c0cd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,28 +1,60 @@
 language: c
-compiler:
-- clang
-- gcc
+compiler: gcc
 sudo: false
 cache: ccache
 
-script:
-- tests/scripts/recursion.pl library/*.c
-- tests/scripts/check-generated-files.sh
-- tests/scripts/check-doxy-blocks.pl
-- tests/scripts/check-names.sh
-- tests/scripts/check-files.py
-- tests/scripts/doxygen.sh
-- cmake -D CMAKE_BUILD_TYPE:String="Check" .
-- make
-- make test
-- programs/test/selftest
-- OSSL_NO_DTLS=1 tests/compat.sh
-- tests/ssl-opt.sh -e '\(DTLS\|SCSV\).*openssl'
-- tests/scripts/test-ref-configs.pl
-- tests/scripts/curves.pl
-- tests/scripts/key-exchanges.pl
+jobs:
+  include:
+    - name: basic checks and reference configurations
+      addons:
+        apt:
+          packages:
+          - gnutls-bin
+          - doxygen
+          - graphviz
+          - gcc-arm-none-eabi
+          - libnewlib-arm-none-eabi
+      language: python # Needed to get pip for Python 3
+      python: 3.5 # version from Ubuntu 16.04
+      install:
+        - pip install pylint==2.4.4
+      script:
+        - tests/scripts/all.sh -k 'check_*'
+        - tests/scripts/all.sh -k test_default_out_of_box
+        - tests/scripts/test-ref-configs.pl
+        - tests/scripts/all.sh -k build_arm_none_eabi_gcc_arm5vte build_arm_none_eabi_gcc_m0plus
+
+    - name: full configuration
+      script:
+        - tests/scripts/all.sh -k test_full_cmake_gcc_asan
+
+    - name: check compilation guards
+      script:
+        - tests/scripts/all.sh -k 'test_depends_*' 'build_key_exchanges'
+
+    - name: macOS
+      os: osx
+      compiler: clang
+      script:
+        - tests/scripts/all.sh -k test_default_out_of_box
+
+    - name: Windows
+      os: windows
+      before_install:
+        - choco install python --version=3.5.4
+      env:
+        # Add the directory where the Choco package goes
+        - PATH=/c/Python35:/c/Python35/Scripts:$PATH
+      script:
+        - type python; python --version
+        - python scripts/generate_psa_constants.py
+        # Logs appear out of sequence on Windows. Give time to catch up.
+        - sleep 5
+        - scripts/windows_msbuild.bat v141 # Visual Studio 2017
+
 after_failure:
 - tests/scripts/travis-log-failure.sh
+
 env:
   global:
     - SEED=1
@@ -31,8 +63,7 @@
 addons:
   apt:
     packages:
-    - doxygen
-    - graphviz
+    - gnutls-bin
   coverity_scan:
     project:
       name: "ARMmbed/mbedtls"
diff --git a/3rdparty/everest/CMakeLists.txt b/3rdparty/everest/CMakeLists.txt
index 782c0c5..c27a8e5 100644
--- a/3rdparty/everest/CMakeLists.txt
+++ b/3rdparty/everest/CMakeLists.txt
@@ -10,7 +10,7 @@
 
 list(APPEND everest_inc ${CMAKE_CURRENT_SOURCE_DIR}/include ${CMAKE_CURRENT_SOURCE_DIR}/include/everest ${CMAKE_CURRENT_SOURCE_DIR}/include/everest/kremlib)
 
-execute_process(COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/../../scripts/config.py -f ${CMAKE_CURRENT_SOURCE_DIR}/../../include/mbedtls/config.h get MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED RESULT_VARIABLE result)
+execute_process(COMMAND ${MBEDTLS_PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/../../scripts/config.py -f ${CMAKE_CURRENT_SOURCE_DIR}/../../include/mbedtls/config.h get MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED RESULT_VARIABLE result)
 
 if(${result} EQUAL 0)
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d17af8..1f675c1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,6 +14,7 @@
 option(ENABLE_PROGRAMS "Build mbed TLS programs." ON)
 
 option(UNSAFE_BUILD "Allow unsafe builds. These builds ARE NOT SECURE." OFF)
+option(MBEDTLS_FATAL_WARNINGS "Compiler warnings treated as errors" ON)
 
 string(REGEX MATCH "Clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER_ID}")
 string(REGEX MATCH "GNU" CMAKE_COMPILER_IS_GNU "${CMAKE_C_COMPILER_ID}")
@@ -50,18 +51,29 @@
                          "${WARNING_BORDER}")
 
 # Python 3 is only needed here to check for configuration warnings.
-find_package(PythonInterp 3)
-if(PYTHONINTERP_FOUND)
+if(NOT CMAKE_VERSION VERSION_LESS 3.15.0)
+    set(Python3_FIND_STRATEGY LOCATION)
+    find_package(Python3 COMPONENTS Interpreter)
+    if(Python3_Interpreter_FOUND)
+        set(MBEDTLS_PYTHON_EXECUTABLE ${Python3_EXECUTABLE})
+    endif()
+else()
+    find_package(PythonInterp 3)
+    if(PYTHONINTERP_FOUND)
+        set(MBEDTLS_PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
+    endif()
+endif()
+if(MBEDTLS_PYTHON_EXECUTABLE)
 
     # If 128-bit keys are configured for CTR_DRBG, display an appropriate warning
-    execute_process(COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/scripts/config.py -f ${CMAKE_CURRENT_SOURCE_DIR}/include/mbedtls/config.h get MBEDTLS_CTR_DRBG_USE_128_BIT_KEY
+    execute_process(COMMAND ${MBEDTLS_PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/scripts/config.py -f ${CMAKE_CURRENT_SOURCE_DIR}/include/mbedtls/config.h get MBEDTLS_CTR_DRBG_USE_128_BIT_KEY
                         RESULT_VARIABLE result)
     if(${result} EQUAL 0)
         message(WARNING ${CTR_DRBG_128_BIT_KEY_WARNING})
     endif()
 
     # If NULL Entropy is configured, display an appropriate warning
-    execute_process(COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/scripts/config.py -f ${CMAKE_CURRENT_SOURCE_DIR}/include/mbedtls/config.h get MBEDTLS_TEST_NULL_ENTROPY
+    execute_process(COMMAND ${MBEDTLS_PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/scripts/config.py -f ${CMAKE_CURRENT_SOURCE_DIR}/include/mbedtls/config.h get MBEDTLS_TEST_NULL_ENTROPY
                         RESULT_VARIABLE result)
     if(${result} EQUAL 0)
         message(WARNING ${NULL_ENTROPY_WARNING})
@@ -140,9 +152,9 @@
     set(CMAKE_C_FLAGS_RELEASE     "-O2")
     set(CMAKE_C_FLAGS_DEBUG       "-O0 -g3")
     set(CMAKE_C_FLAGS_COVERAGE    "-O0 -g3 --coverage")
-    set(CMAKE_C_FLAGS_ASAN        "-Werror -fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
-    set(CMAKE_C_FLAGS_ASANDBG     "-Werror -fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
-    set(CMAKE_C_FLAGS_CHECK       "-Werror -Os")
+    set(CMAKE_C_FLAGS_ASAN        "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
+    set(CMAKE_C_FLAGS_ASANDBG     "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
+    set(CMAKE_C_FLAGS_CHECK       "-Os")
     set(CMAKE_C_FLAGS_CHECKFULL   "${CMAKE_C_FLAGS_CHECK} -Wcast-qual")
 endif(CMAKE_COMPILER_IS_GNU)
 
@@ -151,11 +163,11 @@
     set(CMAKE_C_FLAGS_RELEASE     "-O2")
     set(CMAKE_C_FLAGS_DEBUG       "-O0 -g3")
     set(CMAKE_C_FLAGS_COVERAGE    "-O0 -g3 --coverage")
-    set(CMAKE_C_FLAGS_ASAN        "-Werror -fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
-    set(CMAKE_C_FLAGS_ASANDBG     "-Werror -fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
-    set(CMAKE_C_FLAGS_MEMSAN      "-Werror -fsanitize=memory -O3")
-    set(CMAKE_C_FLAGS_MEMSANDBG   "-Werror -fsanitize=memory -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize-memory-track-origins=2")
-    set(CMAKE_C_FLAGS_CHECK       "-Werror -Os")
+    set(CMAKE_C_FLAGS_ASAN        "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O3")
+    set(CMAKE_C_FLAGS_ASANDBG     "-fsanitize=address -fno-common -fsanitize=undefined -fno-sanitize-recover=all -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls")
+    set(CMAKE_C_FLAGS_MEMSAN      "-fsanitize=memory -O3")
+    set(CMAKE_C_FLAGS_MEMSANDBG   "-fsanitize=memory -O1 -g3 -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize-memory-track-origins=2")
+    set(CMAKE_C_FLAGS_CHECK       "-Os")
 endif(CMAKE_COMPILER_IS_CLANG)
 
 if(CMAKE_COMPILER_IS_IAR)
@@ -163,11 +175,25 @@
 endif(CMAKE_COMPILER_IS_IAR)
 
 if(CMAKE_COMPILER_IS_MSVC)
-    # Strictest warnings, and treat as errors
+    # Strictest warnings
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3")
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
 endif(CMAKE_COMPILER_IS_MSVC)
 
+if(MBEDTLS_FATAL_WARNINGS)
+    if(CMAKE_COMPILER_IS_MSVC)
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
+    endif(CMAKE_COMPILER_IS_MSVC)
+
+    if(CMAKE_COMPILER_IS_CLANG OR CMAKE_COMPILER_IS_GNU)
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
+        if(UNSAFE_BUILD)
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error=cpp")
+            set(CMAKE_C_FLAGS_ASAN "${CMAKE_C_FLAGS_ASAN} -Wno-error=cpp")
+            set(CMAKE_C_FLAGS_ASANDBG "${CMAKE_C_FLAGS_ASANDBG} -Wno-error=cpp")
+        endif(UNSAFE_BUILD)
+    endif(CMAKE_COMPILER_IS_CLANG OR CMAKE_COMPILER_IS_GNU)
+endif(MBEDTLS_FATAL_WARNINGS)
+
 if(CMAKE_BUILD_TYPE STREQUAL "Coverage")
     if(CMAKE_COMPILER_IS_GNU OR CMAKE_COMPILER_IS_CLANG)
         set(CMAKE_SHARED_LINKER_FLAGS "--coverage")
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c1ae452..9b02ba5 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -14,7 +14,7 @@
 
 Making a Contribution
 ---------------------
-1. [Check for open issues](https://github.com/ARMmbed/mbedtls/issues) or [start a discussion](https://tls.mbed.org/discussions) around a feature idea or a bug.
+1. [Check for open issues](https://github.com/ARMmbed/mbedtls/issues) or [start a discussion](https://lists.trustedfirmware.org/mailman/listinfo/mbed-tls) around a feature idea or a bug.
 1. Fork the [Mbed TLS repository on GitHub](https://github.com/ARMmbed/mbedtls) to start making your changes. As a general rule, you should use the ["development" branch](https://github.com/ARMmbed/mbedtls/tree/development) as a basis.
 1. Write a test which shows that the bug was fixed or that the feature works as expected.
 1. Send a pull request (PR) and work with us until it gets merged and published. Contributions may need some modifications, so a few rounds of review and fixing may be necessary. We will include your name in the ChangeLog :)
@@ -79,4 +79,4 @@
 1. Complex parts in the code should include comments.
 1. If needed, a Readme file is advised.
 1. If a [Knowledge Base (KB)](https://tls.mbed.org/kb) article should be added, write this as a comment in the PR description.
-1. A [ChangeLog](https://github.com/ARMmbed/mbedtls/blob/development/ChangeLog) entry should be added for this contribution.
+1. A [ChangeLog](https://github.com/ARMmbed/mbedtls/blob/development/ChangeLog.d/00README.md) entry should be added for this contribution.
diff --git a/ChangeLog.d/bugfix.txt b/ChangeLog.d/bugfix.txt
new file mode 100644
index 0000000..922bd31
--- /dev/null
+++ b/ChangeLog.d/bugfix.txt
@@ -0,0 +1,4 @@
+Bugfix
+   * Fix the Visual Studio Release x64 build configuration for mbedtls itself.
+     Completes a previous fix in Mbed TLS 2.19 that only fixed the build for
+     the example programs. Reported in #1430 and fix contributed by irwir.
diff --git a/ChangeLog.d/bugfix_PR2855.txt b/ChangeLog.d/bugfix_PR2855.txt
new file mode 100644
index 0000000..6e29710
--- /dev/null
+++ b/ChangeLog.d/bugfix_PR2855.txt
@@ -0,0 +1,2 @@
+Bugfix
+   * Remove dead code in X.509 certificate parsing. Contributed by irwir in #2855.
diff --git a/ChangeLog.d/bugfix_PR3333.txt b/ChangeLog.d/bugfix_PR3333.txt
new file mode 100644
index 0000000..90766ac
--- /dev/null
+++ b/ChangeLog.d/bugfix_PR3333.txt
@@ -0,0 +1,2 @@
+Bugfix
+   * Remove unused macros from MSVC projects. Reported in #3297 and fix submitted in #3333 by irwir.
diff --git a/ChangeLog.d/error-asn1.txt b/ChangeLog.d/error-asn1.txt
new file mode 100644
index 0000000..c165696
--- /dev/null
+++ b/ChangeLog.d/error-asn1.txt
@@ -0,0 +1,2 @@
+Bugfix
+   * Include asn1.h in error.c. Fixes #3328 reported by David Hu.
diff --git a/ChangeLog.d/error_const.txt b/ChangeLog.d/error_const.txt
new file mode 100644
index 0000000..e0086b7
--- /dev/null
+++ b/ChangeLog.d/error_const.txt
@@ -0,0 +1,6 @@
+Features
+   * New functions in the error module return constant strings for
+     high- and low-level error codes, complementing mbedtls_strerror()
+     which constructs a string for any error code, including compound
+     ones, but requires a writable buffer. Contributed by Gaurav Aggarwal
+     in #3176.
diff --git a/ChangeLog.d/fix-ecp-mul-memory-leak.txt b/ChangeLog.d/fix-ecp-mul-memory-leak.txt
new file mode 100644
index 0000000..e82cadc
--- /dev/null
+++ b/ChangeLog.d/fix-ecp-mul-memory-leak.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Fix potential memory leaks in ecp_randomize_jac() and ecp_randomize_mxz()
+     when PRNG function fails. Contributed by Jonas Lejeune in #3318.
diff --git a/ChangeLog.d/fix-gcc-format-signedness-warnings.txt b/ChangeLog.d/fix-gcc-format-signedness-warnings.txt
index 023d15c..2d22b94 100644
--- a/ChangeLog.d/fix-gcc-format-signedness-warnings.txt
+++ b/ChangeLog.d/fix-gcc-format-signedness-warnings.txt
@@ -1,3 +1,4 @@
 Changes
    * Fix warnings about signedness issues in format strings. The build is now
-     clean of -Wformat-signedness warnings. Contributed by Kenneth Soerensen in #3153.
+     clean of -Wformat-signedness warnings. Contributed by Kenneth Soerensen
+     in #3153.
diff --git a/ChangeLog.d/fix-masked-hw-record-init-error.txt b/ChangeLog.d/fix-masked-hw-record-init-error.txt
new file mode 100644
index 0000000..2ef80da
--- /dev/null
+++ b/ChangeLog.d/fix-masked-hw-record-init-error.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Fix issue with a detected HW accelerated record error not being exposed
+     due to shadowed variable. Contributed by Sander Visser in #3310.
diff --git a/ChangeLog.d/fix-null-ptr-deref-in-mbedtls_ssl_free.txt b/ChangeLog.d/fix-null-ptr-deref-in-mbedtls_ssl_free.txt
new file mode 100644
index 0000000..e631f4d
--- /dev/null
+++ b/ChangeLog.d/fix-null-ptr-deref-in-mbedtls_ssl_free.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Avoid NULL pointer dereferencing if mbedtls_ssl_free() is called with a
+     NULL pointer argument. Contributed by Sander Visser in #3312.
diff --git a/ChangeLog.d/fix-print-non-ascii-string-in-mbedtls_x509_dn_gets.txt b/ChangeLog.d/fix-print-non-ascii-string-in-mbedtls_x509_dn_gets.txt
new file mode 100644
index 0000000..6be1e5b
--- /dev/null
+++ b/ChangeLog.d/fix-print-non-ascii-string-in-mbedtls_x509_dn_gets.txt
@@ -0,0 +1,3 @@
+Changes
+   * Fix mbedtls_x509_dn_gets to escape non-ASCII characters as "?".
+     Contributed by Koh M. Nakagawa in #3326.
diff --git a/ChangeLog.d/inline-mbedtls_gcc_group_to_psa.txt b/ChangeLog.d/inline-mbedtls_gcc_group_to_psa.txt
new file mode 100644
index 0000000..d0bd1dc
--- /dev/null
+++ b/ChangeLog.d/inline-mbedtls_gcc_group_to_psa.txt
@@ -0,0 +1,4 @@
+Bugfix
+   * Fix potential linker errors on dual world platforms by inlining
+     mbedtls_gcc_group_to_psa(). This allows the pk.c module to link separately
+     from psa_crypto.c. Fixes #3300.
diff --git a/ChangeLog.d/max_pathlen.txt b/ChangeLog.d/max_pathlen.txt
new file mode 100644
index 0000000..08f9c65
--- /dev/null
+++ b/ChangeLog.d/max_pathlen.txt
@@ -0,0 +1,5 @@
+Bugfix
+   * Fix undefined behavior in X.509 certificate parsing if the
+     pathLenConstraint basic constraint value is equal to INT_MAX.
+     The actual effect with almost every compiler is the intended
+     behavior, so this is unlikely to be exploitable anywhere. #3192
diff --git a/ChangeLog.d/md_switch.txt b/ChangeLog.d/md_switch.txt
new file mode 100644
index 0000000..a4d369b
--- /dev/null
+++ b/ChangeLog.d/md_switch.txt
@@ -0,0 +1,3 @@
+Changes
+   * Combine identical cases in switch statements in md.c. Contributed
+     by irwir in #3208.
diff --git a/ChangeLog.d/midipix-support.txt b/ChangeLog.d/midipix-support.txt
new file mode 100644
index 0000000..53599ab
--- /dev/null
+++ b/ChangeLog.d/midipix-support.txt
@@ -0,0 +1,2 @@
+Features
+   * Add support for midipix, a POSIX layer for Microsoft Windows.
diff --git a/ChangeLog.d/montmul-cmp-branch.txt b/ChangeLog.d/montmul-cmp-branch.txt
new file mode 100644
index 0000000..5994518
--- /dev/null
+++ b/ChangeLog.d/montmul-cmp-branch.txt
@@ -0,0 +1,6 @@
+Security
+   * Fix a side channel vulnerability in modular exponentiation that could
+     reveal an RSA private key used in a secure enclave. Noticed by Sangho Lee,
+     Ming-Wei Shih, Prasun Gera, Taesoo Kim and Hyesoon Kim (Georgia Institute
+     of Technology); and Marcus Peinado (Microsoft Research). Reported by Raoul
+     Strackx (Fortanix) in #3394.
diff --git a/ChangeLog.d/psa-lifetime-locations.txt b/ChangeLog.d/psa-lifetime-locations.txt
new file mode 100644
index 0000000..6ac02bc
--- /dev/null
+++ b/ChangeLog.d/psa-lifetime-locations.txt
@@ -0,0 +1,8 @@
+Default behavior changes
+   * In the experimental PSA secure element interface, change the encoding of
+     key lifetimes to encode a persistence level and the location. Although C
+     prototypes do not effectively change, code calling
+     psa_register_se_driver() must be modified to pass the driver's location
+     instead of the keys' lifetime. If the library is upgraded on an existing
+     device, keys created with the old lifetime value will not be readable or
+     removable through Mbed TLS after the upgrade.
diff --git a/ChangeLog.d/ssl_context_info.txt b/ChangeLog.d/ssl_context_info.txt
new file mode 100644
index 0000000..6a15061
--- /dev/null
+++ b/ChangeLog.d/ssl_context_info.txt
@@ -0,0 +1,3 @@
+Features
+   * The new utility programs/ssl/ssl_context_info prints a human-readable
+     dump of an SSL context saved with mbedtls_ssl_context_save().
diff --git a/ChangeLog.d/ssl_write_certificate_request.txt b/ChangeLog.d/ssl_write_certificate_request.txt
new file mode 100644
index 0000000..2d3067a
--- /dev/null
+++ b/ChangeLog.d/ssl_write_certificate_request.txt
@@ -0,0 +1,3 @@
+Changes
+   * Simplify a bounds check in ssl_write_certificate_request(). Contributed
+     by irwir in #3150.
diff --git a/ChangeLog.d/unified-exit-in-examples.txt b/ChangeLog.d/unified-exit-in-examples.txt
new file mode 100644
index 0000000..3ef9798
--- /dev/null
+++ b/ChangeLog.d/unified-exit-in-examples.txt
@@ -0,0 +1,4 @@
+Changes
+   * Unify the example programs termination to call mbedtls_exit() instead of
+     using a return command. This has been done to enable customization of the
+     behavior in bare metal environments.
diff --git a/ChangeLog.d/use-find-python3-cmake.txt b/ChangeLog.d/use-find-python3-cmake.txt
new file mode 100644
index 0000000..36a5171
--- /dev/null
+++ b/ChangeLog.d/use-find-python3-cmake.txt
@@ -0,0 +1,2 @@
+Changes
+  * Use FindPython3 when cmake version >= 3.15.0
diff --git a/Makefile b/Makefile
index e0eb7a5..5ac5a53 100644
--- a/Makefile
+++ b/Makefile
@@ -107,11 +107,11 @@
 lcov:
 	rm -rf Coverage
 	lcov --capture --initial --directory library -o files.info
-	lcov --capture --directory library -o tests.info
-	lcov --add-tracefile files.info --add-tracefile tests.info -o all.info
-	lcov --remove all.info -o final.info '*.h'
+	lcov --rc lcov_branch_coverage=1 --capture --directory library -o tests.info
+	lcov --rc lcov_branch_coverage=1 --add-tracefile files.info --add-tracefile tests.info -o all.info
+	lcov --rc lcov_branch_coverage=1 --remove all.info -o final.info '*.h'
 	gendesc tests/Descriptions.txt -o descriptions
-	genhtml --title "mbed TLS" --description-file descriptions --keep-descriptions --legend --no-branch-coverage -o Coverage final.info
+	genhtml --title "mbed TLS" --description-file descriptions --keep-descriptions --legend --branch-coverage -o Coverage final.info
 	rm -f files.info tests.info all.info final.info descriptions
 
 apidoc:
diff --git a/README.md b/README.md
index f868a0a..2058d24 100644
--- a/README.md
+++ b/README.md
@@ -85,11 +85,11 @@
 
     mkdir /path/to/build_dir && cd /path/to/build_dir
     cmake /path/to/mbedtls_source
-    make
+    cmake --build .
 
 In order to run the tests, enter:
 
-    make test
+    ctest
 
 The test suites need Python to be built and Perl to be executed. If you don't have one of these installed, you'll want to disable the test suites with:
 
diff --git a/docs/architecture/Makefile b/docs/architecture/Makefile
index ab22fb1..d8db2e0 100644
--- a/docs/architecture/Makefile
+++ b/docs/architecture/Makefile
@@ -5,6 +5,7 @@
 all_markdown = \
 	       mbed-crypto-storage-specification.md \
 	       testing/driver-interface-test-strategy.md \
+	       testing/invasive-testing.md \
 	       testing/test-framework.md \
 	       # This line is intentionally left blank
 
@@ -22,3 +23,4 @@
 
 clean:
 	rm -f *.html *.pdf
+	rm -f testing/*.html testing/*.pdf
diff --git a/docs/architecture/testing/invasive-testing.md b/docs/architecture/testing/invasive-testing.md
new file mode 100644
index 0000000..744f194
--- /dev/null
+++ b/docs/architecture/testing/invasive-testing.md
@@ -0,0 +1,367 @@
+# Mbed TLS invasive testing strategy
+
+## Introduction
+
+In Mbed TLS, we use black-box testing as much as possible: test the documented behavior of the product, in a realistic environment. However this is not always sufficient.
+
+The goal of this document is to identify areas where black-box testing is insufficient and to propose solutions.
+
+This is a test strategy document, not a test plan. A description of exactly what is tested is out of scope.
+
+This document is structured as follows:
+
+* [“Rules”](#rules) gives general rules and is written for brevity.
+* [“Requirements”](#requirements) explores the reasons why invasive testing is needed and how it should be done.
+* [“Possible approaches”](#possible-approaches) discusses some general methods for non-black-box testing.
+* [“Solutions”](#solutions) explains how we currently solve, or intend to solve, specific problems.
+
+### TLS
+
+This document currently focuses on data structure manipulation and storage, which is what the crypto/keystore and X.509 parts of the library are about. More work is needed to fully take TLS into account.
+
+## Rules
+
+Always follow these rules unless you have a good reason not to. If you deviate, document the rationale somewhere.
+
+See the section [“Possible approaches”](#possible-approaches) for a rationale.
+
+### Interface design for testing
+
+Do not add test-specific interfaces if there's a practical way of doing it another way. All public interfaces should be useful in at least some configurations. Features with a significant impact on the code size or attack surface should have a compile-time guard.
+
+### Reliance on internal details
+
+In unit tests and in test programs, it's ok to include header files from `library/`. Do not define non-public interfaces in public headers (`include/mbedtls` has `*_internal.h` headers for legacy reasons, but this approach is deprecated). In contrast, sample programs must not include header files from `library/`.
+
+Sometimes it makes sense to have unit tests on functions that aren't part of the public API. Declare such functions in `library/*.h` and include the corresponding header in the test code. If the function should be `static` for optimization but can't be `static` for testing, declare it as `MBEDTLS_STATIC_TESTABLE`, and make the tests that use it depend on `MBEDTLS_TEST_HOOKS` (see [“rules for compile-time options”](#rules-for-compile-time-options)).
+
+If test code or test data depends on internal details of the library and not just on its documented behavior, add a comment in the code that explains the dependency. For example:
+
+> ```
+> /* This test file is specific to the ITS implementation in PSA Crypto
+>  * on top of stdio. It expects to know what the stdio name of a file is
+>  * based on its keystore name.
+>  */
+> ```
+
+> ```
+> # This test assumes that PSA_MAX_KEY_BITS (currently 65536-8 bits = 8191 bytes
+> # and not expected to be raised any time soon) is less than the maximum
+> # output from HKDF-SHA512 (255*64 = 16320 bytes).
+> ```
+
+### Rules for compile-time options
+
+If the most practical way to test something is to add code to the product that is only useful for testing, do so, but obey the following rules. For more information, see the [rationale](#guidelines-for-compile-time-options).
+
+* **Only use test-specific code when necessary.** Anything that can be tested through the documented API must be tested through the documented API.
+* **Test-specific code must be guarded by `#if defined(MBEDTLS_TEST_HOOKS)`**. Do not create fine-grained guards for test-specific code.
+* **Do not use `MBEDTLS_TEST_HOOKS` for security checks or assertions.** Security checks belong in the product.
+* **Merely defining `MBEDTLS_TEST_HOOKS` must not change the behavior**. It may define extra functions. It may add fields to structures, but if so, make it very clear that these fields have no impact on non-test-specific fields.
+* **Where tests must be able to change the behavior, do it by function substitution.** See [“rules for function substitution”](#rules-for-function-substitution) for more details.
+
+#### Rules for function substitution
+
+This section explains how to replace a library function `mbedtls_foo()` by alternative code for test purposes. That is, library code calls `mbedtls_foo()`, and there is a mechanism to arrange for these calls to invoke different code.
+
+Often `mbedtls_foo` is a macro which is defined to be a system function (like `mbedtls_calloc` or `mbedtls_fopen`), which we replace to mock or wrap the system function. This is useful to simulate I/O failure, for example. Note that if the macro can be replaced at compile time to support alternative platforms, the test code should be compatible with this compile-time configuration so that it works on these alternative platforms as well.
+
+Sometimes the substitutable function is a `static inline` function that does nothing (not a macro, to avoid accidentally skipping side effects in its parameters), to provide a hook for test code; such functions should have a name that starts with the prefix `mbedtls_test_hook_`. In such cases, the function should generally not modify its parameters, so any pointer argument should be const. The function should return void.
+
+With `MBEDTLS_TEST_HOOKS` set, `mbedtls_foo` is a global variable of function pointer type. This global variable is initialized to the system function, or to a function that does nothing. The global variable is defined in a header in the `library` directory such as `psa_crypto_invasive.h`. This is similar to the platform function configuration mechanism with `MBEDTLS_PLATFORM_xxx_ALT`.
+
+In unit test code that needs to modify the internal behavior:
+
+* The test function (or the whole test file) must depend on `MBEDTLS_TEST_HOOKS`.
+* At the beginning of the test function, set the global function pointers to the desired value.
+* In the test function's cleanup code, restore the global function pointers to their default value.
+
+## Requirements
+
+### General goals
+
+We need to balance the following goals, which are sometimes contradictory.
+
+* Coverage: we need to test behaviors which are not easy to trigger by using the API or which cannot be triggered deterministically, for example I/O failures.
+* Correctness: we want to test the actual product, not a modified version, since conclusions drawn from a test of a modified product may not apply to the real product.
+* Effacement: the product should not include features that are solely present for test purposes, since these increase the attack surface and the code size.
+* Portability: tests should work on every platform. Skipping tests on certain platforms may hide errors that are only apparent on such platforms.
+* Maintainability: tests should only enforce the documented behavior of the product, to avoid extra work when the product's internal or implementation-specific behavior changes. We should also not give the impression that whatever the tests check is guaranteed behavior of the product which cannot change in future versions.
+
+Where those goals conflict, we should at least mitigate the goals that cannot be fulfilled, and document the architectural choices and their rationale.
+
+### Problem areas
+
+#### Allocation
+
+Resource allocation can fail, but rarely does so in a typical test environment. How does the product cope if some allocations fail?
+
+Resources include:
+
+* Memory.
+* Files in storage (PSA API only — in the Mbed TLS API, black-box unit tests are sufficient).
+* Key handles (PSA API only).
+* Key slots in a secure element (PSA SE HAL).
+* Communication handles (PSA crypto service only).
+
+#### Storage
+
+Storage can fail, either due to hardware errors or to active attacks on trusted storage. How does the code cope if some storage accesses fail?
+
+We also need to test resilience: if the system is reset during an operation, does it restart in a correct state?
+
+#### Cleanup
+
+When code should clean up resources, how do we know that they have truly been cleaned up?
+
+* Zeroization of confidential data after use.
+* Freeing memory.
+* Closing key handles.
+* Freeing key slots in a secure element.
+* Deleting files in storage (PSA API only).
+
+#### Internal data
+
+Sometimes it is useful to peek or poke internal data.
+
+* Check consistency of internal data (e.g. output of key generation).
+* Check the format of files (which matters so that the product can still read old files after an upgrade).
+* Inject faults and test corruption checks inside the product.
+
+## Possible approaches
+
+Key to requirement tables:
+
+* ++ requirement is fully met
+* \+ requirement is mostly met
+* ~ requirement is partially met but there are limitations
+* ! requirement is somewhat problematic
+* !! requirement is very problematic
+
+### Fine-grained public interfaces
+
+We can include all the features we want to test in the public interface. Then the tests can be truly black-box. The limitation of this approach is that this requires adding a lot of interfaces that are not useful in production. These interfaces have costs: they increase the code size, the attack surface, and the testing burden (exponentially, because we need to test all these interfaces in combination).
+
+As a rule, we do not add public interfaces solely for testing purposes. We only add public interfaces if they are also useful in production, at least sometimes. For example, the main purpose of `mbedtls_psa_crypto_free` is to clean up all resources in tests, but this is also useful in production in some applications that only want to use PSA Crypto during part of their lifetime.
+
+Mbed TLS traditionally has very fine-grained public interfaces, with many platform functions that can be substituted (`MBEDTLS_PLATFORM_xxx` macros). PSA Crypto has more opacity and less platform substitution macros.
+
+| Requirement | Analysis |
+| ----------- | -------- |
+| Coverage | ~ Many useful tests are not reasonably achievable |
+| Correctness | ++ Ideal |
+| Effacement | !! Requires adding many otherwise-useless interfaces |
+| Portability | ++ Ideal; the additional interfaces may be useful for portability beyond testing |
+| Maintainability | !! Combinatorial explosion on the testing burden |
+|                 | ! Public interfaces must remain for backward compatibility even if the test architecture changes |
+
+### Fine-grained undocumented interfaces
+
+We can include all the features we want to test in undocumented interfaces. Undocumented interfaces are described in public headers for the sake of the C compiler, but are described as “do not use” in comments (or not described at all) and are not included in Doxygen-rendered documentation. This mitigates some of the downsides of [fine-grained public interfaces](#fine-grained-public-interfaces), but not all. In particular, the extra interfaces do increase the code size, the attack surface and the test surface.
+
+Mbed TLS traditionally has a few internal interfaces, mostly intended for cross-module abstraction leakage rather than for testing. For the PSA API, we favor [internal interfaces](#internal-interfaces).
+
+| Requirement | Analysis |
+| ----------- | -------- |
+| Coverage | ~ Many useful tests are not reasonably achievable |
+| Correctness | ++ Ideal |
+| Effacement | !! Requires adding many otherwise-useless interfaces |
+| Portability | ++ Ideal; the additional interfaces may be useful for portability beyond testing |
+| Maintainability | ! Combinatorial explosion on the testing burden |
+
+### Internal interfaces
+
+We can write tests that call internal functions that are not exposed in the public interfaces. This is nice when it works, because it lets us test the unchanged product without compromising the design of the public interface.
+
+A limitation is that these interfaces must exist in the first place. If they don't, this has mostly the same downside as public interfaces: the extra interfaces increase the code size and the attack surface for no direct benefit to the product.
+
+Another limitation is that internal interfaces need to be used correctly. We may accidentally rely on internal details in the tests that are not necessarily always true (for example that are platform-specific). We may accidentally use these internal interfaces in ways that don't correspond to the actual product.
+
+This approach is mostly portable since it only relies on C interfaces. A limitation is that the test-only interfaces must not be hidden at link time (but link-time hiding is not something we currently do). Another limitation is that this approach does not work for users who patch the library by replacing some modules; this is a secondary concern since we do not officially offer this as a feature.
+
+| Requirement | Analysis |
+| ----------- | -------- |
+| Coverage | ~ Many useful tests require additional internal interfaces |
+| Correctness | + Does not require a product change |
+|             | ~ The tests may call internal functions in a way that does not reflect actual usage inside the product |
+| Effacement | ++ Fine as long as the internal interfaces aren't added solely for test purposes |
+| Portability | + Fine as long as we control how the tests are linked |
+|             | ~ Doesn't work if the users rewrite an internal module |
+| Maintainability | + Tests interfaces that are documented; dependencies in the tests are easily noticed when changing these interfaces |
+
+### Static analysis
+
+If we guarantee certain properties through static analysis, we don't need to test them. This puts some constraints on the properties:
+
+* We need to have confidence in the specification (but we can gain this confidence by evaluating the specification on test data).
+* This does not work for platform-dependent properties unless we have a formal model of the platform.
+
+| Requirement | Analysis |
+| ----------- | -------- |
+| Coverage | ~ Good for platform-independent properties, if we can guarantee them statically |
+| Correctness | + Good as long as we have confidence in the specification |
+| Effacement | ++ Zero impact on the code |
+| Portability | ++ Zero runtime burden |
+| Maintainability | ~ Static analysis is hard, but it's also helpful |
+
+### Compile-time options
+
+If there's code that we want to have in the product for testing, but not in production, we can add a compile-time option to enable it. This is very powerful and usually easy to use, but comes with a major downside: we aren't testing the same code anymore.
+
+| Requirement | Analysis |
+| ----------- | -------- |
+| Coverage | ++ Most things can be tested that way |
+| Correctness | ! Difficult to ensure that what we test is what we run |
+| Effacement | ++ No impact on the product when built normally or on the documentation, if done right |
+|             | ! Risk of getting “no impact” wrong |
+| Portability | ++ It's just C code so it works everywhere |
+|             | ~ Doesn't work if the users rewrite an internal module |
+| Maintainability | + Test interfaces impact the product source code, but at least they're clearly marked as such in the code |
+
+#### Guidelines for compile-time options
+
+* **Minimize the number of compile-time options.**<br>
+  Either we're testing or we're not. Fine-grained options for testing would require more test builds, especially if combinatorics enters the play.
+* **Merely enabling the compile-time option should not change the behavior.**<br>
+  When building in test mode, the code should have exactly the same behavior. Changing the behavior should require some action at runtime (calling a function or changing a variable).
+* **Minimize the impact on code**.<br>
+  We should not have test-specific conditional compilation littered through the code, as that makes the code hard to read.
+
+### Runtime instrumentation
+
+Some properties can be tested through runtime instrumentation: have the compiler or a similar tool inject something into the binary.
+
+* Sanitizers check for certain bad usage patterns (ASan, MSan, UBSan, Valgrind).
+* We can inject external libraries at link time. This can be a way to make system functions fail.
+
+| Requirement | Analysis |
+| ----------- | -------- |
+| Coverage | ! Limited scope |
+| Correctness | + Instrumentation generally does not affect the program's functional behavior |
+| Effacement | ++ Zero impact on the code |
+| Portability | ~ Depends on the method |
+| Maintainability | ~ Depending on the instrumentation, this may require additional builds and scripts |
+|                 | + Many properties come for free, but some require effort (e.g. the test code itself must be leak-free to avoid false positives in a leak detector) |
+
+### Debugger-based testing
+
+If we want to do something in a test that the product isn't capable of doing, we can use a debugger to read or modify the memory, or hook into the code at arbitrary points.
+
+This is a very powerful approach, but it comes with limitations:
+
+* The debugger may introduce behavior changes (e.g. timing). If we modify data structures in memory, we may do so in a way that the code doesn't expect.
+* Due to compiler optimizations, the memory may not have the layout that we expect.
+* Writing reliable debugger scripts is hard. We need to have confidence that we're testing what we mean to test, even in the face of compiler optimizations. Languages such as gdb make it hard to automate even relatively simple things such as finding the place(s) in the binary corresponding to some place in the source code.
+* Debugger scripts are very much non-portable.
+
+| Requirement | Analysis |
+| ----------- | -------- |
+| Coverage | ++ The sky is the limit |
+| Correctness | ++ The code is unmodified, and tested as compiled (so we even detect compiler-induced bugs) |
+|             | ! Compiler optimizations may hinder |
+|             | ~ Modifying the execution may introduce divergence |
+| Effacement | ++ Zero impact on the code |
+| Portability | !! Not all environments have a debugger, and even if they do, we'd need completely different scripts for every debugger |
+| Maintainability | ! Writing reliable debugger scripts is hard |
+|                 | !! Very tight coupling with the details of the source code and even with the compiler |
+
+## Solutions
+
+This section lists some strategies that are currently used for invasive testing, or planned to be used. This list is not intended to be exhaustive.
+
+### Memory management
+
+#### Zeroization testing
+
+Goal: test that `mbedtls_platform_zeroize` does wipe the memory buffer.
+
+Solution ([debugger](#debugger-based-testing)): implemented in `tests/scripts/test_zeroize.gdb`.
+
+Rationale: this cannot be tested by adding C code, because the danger is that the compiler optimizes the zeroization away, and any C code that observes the zeroization would cause the compiler not to optimize it away.
+
+#### Memory cleanup
+
+Goal: test the absence of memory leaks.
+
+Solution ([instrumentation](#runtime-instrumentation)): run tests with ASan. (We also use Valgrind, but it's slower than ASan, so we favor ASan.)
+
+Since we run many test jobs with a memory leak detector, each test function or test program must clean up after itself. Use the cleanup code (after the `exit` label in test functions) to free any memory that the function may have allocated.
+
+#### Robustness against memory allocation failure
+
+Solution: TODO. We don't test this at all at this point.
+
+#### PSA key store memory cleanup
+
+Goal: test the absence of resource leaks in the PSA key store code, in particular that `psa_close_key` and `psa_destroy_key` work correctly.
+
+Solution ([internal interface](#internal-interfaces)): in most tests involving PSA functions, the cleanup code explicitly calls `PSA_DONE()` instead of `mbedtls_psa_crypto_free()`. `PSA_DONE` fails the test if the key store in memory is not empty.
+
+Note there must also be tests that call `mbedtls_psa_crypto_free` with keys still open, to verify that it does close all keys.
+
+`PSA_DONE` is a macro defined in `psa_crypto_helpers.h` which uses `mbedtls_psa_get_stats()` to get information about the keystore content before calling `mbedtls_psa_crypto_free()`. This feature is mostly but not exclusively useful for testing, and may be moved under `MBEDTLS_TEST_HOOKS`.
+
+### PSA storage
+
+#### PSA storage cleanup on success
+
+Goal: test that no stray files are left over in the key store after a test that succeeded.
+
+Solution: TODO. Currently the various test suites do it differently.
+
+#### PSA storage cleanup on failure
+
+Goal: ensure that no stray files are left over in the key store even if a test has failed (as that could cause other tests to fail).
+
+Solution: TODO. Currently the various test suites do it differently.
+
+#### PSA storage resilience
+
+Goal: test the resilience of PSA storage against power failures.
+
+Solution: TODO.
+
+See the [secure element driver interface test strategy](driver-interface-test-strategy.html) for more information.
+
+#### Corrupted storage
+
+Goal: test the robustness against corrupted storage.
+
+Solution ([internal interface](#internal-interfaces)): call `psa_its` functions to modify the storage.
+
+#### Storage read failure
+
+Goal: test the robustness against read errors.
+
+Solution: TODO
+
+#### Storage write failure
+
+Goal: test the robustness against write errors (`STORAGE_FAILURE` or `INSUFFICIENT_STORAGE`).
+
+Solution: TODO
+
+#### Storage format stability
+
+Goal: test that the storage format does not change between versions (or if it does, an upgrade path must be provided).
+
+Solution ([internal interface](#internal-interfaces)): call internal functions to inspect the content of the file.
+
+Note that the storage format is defined not only by the general layout, but also by the numerical values of encodings for key types and other metadata. For numerical values, there is a risk that we would accidentally modify a single value or a few values, so the tests should be exhaustive. This probably requires some compile-time analysis (perhaps the automation for `psa_constant_names` can be used here). TODO
+
+### Other fault injection
+
+#### PSA crypto init failure
+
+Goal: test the failure of `psa_crypto_init`.
+
+Solution ([compile-time option](#compile-time-options)): replace entropy initialization functions by functions that can fail. This is the only failure point for `psa_crypto_init` that is present in all builds.
+
+When we implement the PSA entropy driver interface, this should be reworked to use the entropy driver interface.
+
+#### PSA crypto data corruption
+
+The PSA crypto subsystem has a few checks to detect corrupted data in memory. We currently don't have a way to exercise those checks.
+
+Solution: TODO. To corrupt a multipart operation structure, we can do it by looking inside the structure content, but only when running without isolation. To corrupt the key store, we would need to add a function to the library or to use a debugger.
+
diff --git a/docs/architecture/tls13-experimental.md b/docs/architecture/tls13-experimental.md
new file mode 100644
index 0000000..bcf3e34
--- /dev/null
+++ b/docs/architecture/tls13-experimental.md
@@ -0,0 +1,40 @@
+TLS 1.3 Experimental Developments
+=================================
+
+Overview
+--------
+
+Mbed TLS doesn't support the TLS 1.3 protocol yet, but a prototype is in development.
+Stable parts of this prototype that can be independently tested are being successively
+upstreamed under the guard of the following macro:
+
+```
+MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL
+```
+
+This macro will likely be renamed to `MBEDTLS_SSL_PROTO_TLS1_3` once a minimal viable
+implementation of the TLS 1.3 protocol is available.
+
+See the [documentation of `MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL`](../../include/mbedtls/config.h)
+for more information.
+
+Status
+------
+
+The following lists which parts of the TLS 1.3 prototype have already been upstreamed
+together with their level of testing:
+
+* TLS 1.3 record protection mechanisms
+
+  The record protection routines `mbedtls_ssl_{encrypt|decrypt}_buf()` have been extended
+  to support the modified TLS 1.3 record protection mechanism, including modified computation
+  of AAD, IV, and the introduction of a flexible padding.
+
+  Those record protection routines have unit tests in `test_suite_ssl` alongside the
+  tests for the other record protection routines.
+
+  TODO: Add some test vectors from RFC 8448.
+
+- The HKDF key derivation function on which the TLS 1.3 key schedule is based,
+  is already present as an independent module controlled by `MBEDTLS_HKDF_C`
+  independently of the development of the TLS 1.3 prototype.
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index fa3caa7..e2e45ac 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -619,6 +619,11 @@
 #error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
 #endif
 
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL) && ( !defined(MBEDTLS_HKDF_C) && \
+    !defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
+#error "MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL defined, but not all prerequisites"
+#endif
+
 #if (defined(MBEDTLS_SSL_PROTO_SSL3) || defined(MBEDTLS_SSL_PROTO_TLS1) ||  \
      defined(MBEDTLS_SSL_PROTO_TLS1_1) || defined(MBEDTLS_SSL_PROTO_TLS1_2)) && \
     !(defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) ||                          \
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 901e26d..60a3aee 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -1707,6 +1707,25 @@
 #define MBEDTLS_SSL_PROTO_TLS1_2
 
 /**
+ * \def MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL
+ *
+ * This macro is used to selectively enable experimental parts
+ * of the code that contribute to the ongoing development of
+ * the prototype TLS 1.3 and DTLS 1.3 implementation, and provide
+ * no other purpose.
+ *
+ * \warning TLS 1.3 and DTLS 1.3 aren't yet supported in Mbed TLS,
+ *          and no feature exposed through this macro is part of the
+ *          public API. In particular, features under the control
+ *          of this macro are experimental and don't come with any
+ *          stability guarantees.
+ *
+ * Uncomment this macro to enable experimental and partial
+ * functionality specific to TLS 1.3.
+ */
+//#define MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL
+
+/**
  * \def MBEDTLS_SSL_PROTO_DTLS
  *
  * Enable support for DTLS (all available versions).
@@ -1866,6 +1885,26 @@
 //#define MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH
 
 /**
+ * \def MBEDTLS_TEST_HOOKS
+ *
+ * Enable features for invasive testing such as introspection functions and
+ * hooks for fault injection. This enables additional unit tests.
+ *
+ * Merely enabling this feature should not change the behavior of the product.
+ * It only adds new code, and new branching points where the default behavior
+ * is the same as when this feature is disabled.
+ * However, this feature increases the attack surface: there is an added
+ * risk of vulnerabilities, and more gadgets that can make exploits easier.
+ * Therefore this feature must never be enabled in production.
+ *
+ * See `docs/architecture/testing/mbed-crypto-invasive-testing.md` for more
+ * information.
+ *
+ * Uncomment to enable invasive tests.
+ */
+//#define MBEDTLS_TEST_HOOKS
+
+/**
  * \def MBEDTLS_THREADING_ALT
  *
  * Provide your own alternate threading implementation.
@@ -3535,6 +3574,22 @@
  */
 //#define MBEDTLS_SSL_CID_PADDING_GRANULARITY 16
 
+/** \def MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY
+ *
+ * This option controls the use of record plaintext padding
+ * in TLS 1.3.
+ *
+ * The padding will always be chosen so that the length of the
+ * padded plaintext is a multiple of the value of this option.
+ *
+ * Note: A value of \c 1 means that no padding will be used
+ *       for outgoing records.
+ *
+ * Note: On systems lacking division instructions,
+ *       a power of two should be preferred.
+ */
+//#define MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY 1
+
 /** \def MBEDTLS_SSL_OUT_CONTENT_LEN
  *
  * Maximum length (in bytes) of outgoing plaintext fragments.
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 7fec65e..65424d6 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -138,6 +138,7 @@
 #define MBEDTLS_SSL_MINOR_VERSION_1             1   /*!< TLS v1.0 */
 #define MBEDTLS_SSL_MINOR_VERSION_2             2   /*!< TLS v1.1 */
 #define MBEDTLS_SSL_MINOR_VERSION_3             3   /*!< TLS v1.2 */
+#define MBEDTLS_SSL_MINOR_VERSION_4             4   /*!< TLS v1.3 (experimental) */
 
 #define MBEDTLS_SSL_TRANSPORT_STREAM            0   /*!< TLS      */
 #define MBEDTLS_SSL_TRANSPORT_DATAGRAM          1   /*!< DTLS     */
@@ -276,6 +277,10 @@
 #define MBEDTLS_SSL_CID_PADDING_GRANULARITY 16
 #endif
 
+#if !defined(MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY)
+#define MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY 1
+#endif
+
 /* \} name SECTION: Module settings */
 
 /*
diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index e92381c..cd881eb 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -554,6 +554,10 @@
  *   time with the 8-byte record sequence number, without prepending the
  *   latter to the encrypted record.
  *
+ * Additionally, DTLS 1.2 + CID as well as TLS 1.3 use an inner plaintext
+ * which allows to add flexible length padding and to hide a record's true
+ * content type.
+ *
  * In addition to type and version, the following parameters are relevant:
  * - The symmetric cipher algorithm to be used.
  * - The (static) encryption/decryption keys for the cipher.
diff --git a/include/psa/crypto_extra.h b/include/psa/crypto_extra.h
index e9fa311..84cc5ab 100644
--- a/include/psa/crypto_extra.h
+++ b/include/psa/crypto_extra.h
@@ -578,8 +578,55 @@
  *                      (`PSA_ECC_CURVE_xxx`).
  * \return              \c 0 on failure (\p grpid is not recognized).
  */
-psa_ecc_curve_t mbedtls_ecc_group_to_psa( mbedtls_ecp_group_id grpid,
-                                          size_t *bits );
+static inline psa_ecc_curve_t mbedtls_ecc_group_to_psa( mbedtls_ecp_group_id grpid,
+                                                        size_t *bits )
+{
+    switch( grpid )
+    {
+        case MBEDTLS_ECP_DP_SECP192R1:
+            *bits = 192;
+            return( PSA_ECC_CURVE_SECP_R1 );
+        case MBEDTLS_ECP_DP_SECP224R1:
+            *bits = 224;
+            return( PSA_ECC_CURVE_SECP_R1 );
+        case MBEDTLS_ECP_DP_SECP256R1:
+            *bits = 256;
+            return( PSA_ECC_CURVE_SECP_R1 );
+        case MBEDTLS_ECP_DP_SECP384R1:
+            *bits = 384;
+            return( PSA_ECC_CURVE_SECP_R1 );
+        case MBEDTLS_ECP_DP_SECP521R1:
+            *bits = 521;
+            return( PSA_ECC_CURVE_SECP_R1 );
+        case MBEDTLS_ECP_DP_BP256R1:
+            *bits = 256;
+            return( PSA_ECC_CURVE_BRAINPOOL_P_R1 );
+        case MBEDTLS_ECP_DP_BP384R1:
+            *bits = 384;
+            return( PSA_ECC_CURVE_BRAINPOOL_P_R1 );
+        case MBEDTLS_ECP_DP_BP512R1:
+            *bits = 512;
+            return( PSA_ECC_CURVE_BRAINPOOL_P_R1 );
+        case MBEDTLS_ECP_DP_CURVE25519:
+            *bits = 255;
+            return( PSA_ECC_CURVE_MONTGOMERY );
+        case MBEDTLS_ECP_DP_SECP192K1:
+            *bits = 192;
+            return( PSA_ECC_CURVE_SECP_K1 );
+        case MBEDTLS_ECP_DP_SECP224K1:
+            *bits = 224;
+            return( PSA_ECC_CURVE_SECP_K1 );
+        case MBEDTLS_ECP_DP_SECP256K1:
+            *bits = 256;
+            return( PSA_ECC_CURVE_SECP_K1 );
+        case MBEDTLS_ECP_DP_CURVE448:
+            *bits = 448;
+            return( PSA_ECC_CURVE_MONTGOMERY );
+        default:
+            *bits = 0;
+            return( 0 );
+    }
+}
 
 /** Convert an ECC curve identifier from the PSA encoding to Mbed TLS.
  *
diff --git a/include/psa/crypto_se_driver.h b/include/psa/crypto_se_driver.h
index 7ac1ed1..0c28579 100644
--- a/include/psa/crypto_se_driver.h
+++ b/include/psa/crypto_se_driver.h
@@ -119,8 +119,10 @@
  * \param[in,out] drv_context       The driver context structure.
  * \param[in,out] persistent_data   A pointer to the persistent data
  *                                  that allows writing.
- * \param lifetime                  The lifetime value for which this driver
- *                                  is registered.
+ * \param location                  The location value for which this driver
+ *                                  is registered. The driver will be invoked
+ *                                  for all keys whose lifetime is in this
+ *                                  location.
  *
  * \retval #PSA_SUCCESS
  *         The driver is operational.
@@ -132,7 +134,7 @@
  */
 typedef psa_status_t (*psa_drv_se_init_t)(psa_drv_se_context_t *drv_context,
                                           void *persistent_data,
-                                          psa_key_lifetime_t lifetime);
+                                          psa_key_location_t location);
 
 #if defined(__DOXYGEN_ONLY__) || !defined(MBEDTLS_PSA_CRYPTO_SE_C)
 /* Mbed Crypto with secure element support enabled defines this type in
@@ -1341,17 +1343,19 @@
  * after psa_crypto_init().
  *
  * \note Implementations store metadata about keys including the lifetime
- *       value. Therefore, from one instantiation of the PSA Cryptography
+ *       value, which contains the driver's location indicator. Therefore,
+ *       from one instantiation of the PSA Cryptography
  *       library to the next one, if there is a key in storage with a certain
  *       lifetime value, you must always register the same driver (or an
  *       updated version that communicates with the same secure element)
- *       with the same lifetime value.
+ *       with the same location value.
  *
- * \param lifetime      The lifetime value through which this driver will
+ * \param location      The location value through which this driver will
  *                      be exposed to applications.
- *                      The values #PSA_KEY_LIFETIME_VOLATILE and
- *                      #PSA_KEY_LIFETIME_PERSISTENT are reserved and
- *                      may not be used for drivers. Implementations
+ *                      This driver will be used for all keys such that
+ *                      `location == PSA_KEY_LIFETIME_LOCATION( lifetime )`.
+ *                      The value #PSA_KEY_LOCATION_LOCAL_STORAGE is reserved
+ *                      and may not be used for drivers. Implementations
  *                      may reserve other values.
  * \param[in] methods   The method table of the driver. This structure must
  *                      remain valid for as long as the cryptography
@@ -1376,7 +1380,7 @@
  * \return PSA_ERROR_NOT_PERMITTED
  */
 psa_status_t psa_register_se_driver(
-    psa_key_lifetime_t lifetime,
+    psa_key_location_t location,
     const psa_drv_se_t *methods);
 
 /**@}*/
diff --git a/include/psa/crypto_sizes.h b/include/psa/crypto_sizes.h
index 1f04222..cc0eab4 100644
--- a/include/psa/crypto_sizes.h
+++ b/include/psa/crypto_sizes.h
@@ -431,7 +431,7 @@
  * \param key_type  An asymmetric key type (this may indifferently be a
  *                  key pair type or a public key type).
  * \param key_bits  The size of the key in bits.
- * \param alg       The signature algorithm.
+ * \param alg       The asymmetric encryption algorithm.
  *
  * \return If the parameters are valid and supported, return
  *         a buffer size in bytes that guarantees that
@@ -450,9 +450,9 @@
 
 /** Sufficient output buffer size for psa_asymmetric_decrypt().
  *
- * This macro returns a sufficient buffer size for a ciphertext produced using
+ * This macro returns a sufficient buffer size for a plaintext produced using
  * a key of the specified type and size, with the specified algorithm.
- * Note that the actual size of the ciphertext may be smaller, depending
+ * Note that the actual size of the plaintext may be smaller, depending
  * on the algorithm.
  *
  * \warning This function may call its arguments multiple times or
@@ -462,7 +462,7 @@
  * \param key_type  An asymmetric key type (this may indifferently be a
  *                  key pair type or a public key type).
  * \param key_bits  The size of the key in bits.
- * \param alg       The signature algorithm.
+ * \param alg       The asymmetric encryption algorithm.
  *
  * \return If the parameters are valid and supported, return
  *         a buffer size in bytes that guarantees that
diff --git a/include/psa/crypto_types.h b/include/psa/crypto_types.h
index d96c66e..41f1bea 100644
--- a/include/psa/crypto_types.h
+++ b/include/psa/crypto_types.h
@@ -108,18 +108,117 @@
  * The lifetime of a key indicates where it is stored and what system actions
  * may create and destroy it.
  *
- * Keys with the lifetime #PSA_KEY_LIFETIME_VOLATILE are automatically
- * destroyed when the application terminates or on a power reset.
+ * Lifetime values have the following structure:
+ * - Bits 0-7 (#PSA_KEY_LIFETIME_GET_PERSISTENCE(\c lifetime)):
+ *   persistence level. This value indicates what device management
+ *   actions can cause it to be destroyed. In particular, it indicates
+ *   whether the key is _volatile_ or _persistent_.
+ *   See ::psa_key_persistence_t for more information.
+ * - Bits 8-31 (#PSA_KEY_LIFETIME_GET_LOCATION(\c lifetime)):
+ *   location indicator. This value indicates where the key is stored
+ *   and where operations on the key are performed.
+ *   See ::psa_key_location_t for more information.
  *
- * Keys with a lifetime other than #PSA_KEY_LIFETIME_VOLATILE are said
- * to be _persistent_.
- * Persistent keys are preserved if the application or the system restarts.
+ * Volatile keys are automatically destroyed when the application instance
+ * terminates or on a power reset of the device. Persistent keys are
+ * preserved until the application explicitly destroys them or until an
+ * implementation-specific device management event occurs (for example,
+ * a factory reset).
+ *
  * Persistent keys have a key identifier of type #psa_key_id_t.
+ * This identifier remains valid throughout the lifetime of the key,
+ * even if the application instance that created the key terminates.
  * The application can call psa_open_key() to open a persistent key that
  * it created previously.
+ *
+ * This specification defines two basic lifetime values:
+ * - Keys with the lifetime #PSA_KEY_LIFETIME_VOLATILE are volatile.
+ *   All implementations should support this lifetime.
+ * - Keys with the lifetime #PSA_KEY_LIFETIME_PERSISTENT are persistent.
+ *   All implementations that have access to persistent storage with
+ *   appropriate security guarantees should support this lifetime.
  */
 typedef uint32_t psa_key_lifetime_t;
 
+/** Encoding of key persistence levels.
+ *
+ * What distinguishes different persistence levels is what device management
+ * events may cause keys to be destroyed. _Volatile_ keys are destroyed
+ * by a power reset. Persistent keys may be destroyed by events such as
+ * a transfer of ownership or a factory reset. What management events
+ * actually affect persistent keys at different levels is outside the
+ * scope of the PSA Cryptography specification.
+ *
+ * This specification defines the following values of persistence levels:
+ * - \c 0 = #PSA_KEY_PERSISTENCE_VOLATILE: volatile key.
+ *   A volatile key is automatically destroyed by the implementation when
+ *   the application instance terminates. In particular, a volatile key
+ *   is automatically destroyed on a power reset of the device.
+ * - \c 1 = #PSA_KEY_PERSISTENCE_DEFAULT:
+ *   persistent key with a default lifetime.
+ *   Implementations should support this value if they support persistent
+ *   keys at all.
+ *   Applications should use this value if they have no specific needs that
+ *   are only met by implementation-specific features.
+ * - \c 2-127: persistent key with a PSA-specified lifetime.
+ *   The PSA Cryptography specification does not define the meaning of these
+ *   values, but other PSA specifications may do so.
+ * - \c 128-254: persistent key with a vendor-specified lifetime.
+ *   No PSA specification will define the meaning of these values, so
+ *   implementations may choose the meaning freely.
+ *   As a guideline, higher persistence levels should cause a key to survive
+ *   more management events than lower levels.
+ * - \c 255 = #PSA_KEY_PERSISTENCE_READ_ONLY:
+ *   read-only or write-once key.
+ *   A key with this persistence level cannot be destroyed.
+ *   Implementations that support such keys may either allow their creation
+ *   through the PSA Cryptography API, preferably only to applications with
+ *   the appropriate privilege, or only expose keys created through
+ *   implementation-specific means such as a factory ROM engraving process.
+ *   Note that keys that are read-only due to policy restrictions
+ *   rather than due to physical limitations should not have this
+ *   persistence levels.
+ *
+ * \note Key persistence levels are 8-bit values. Key management
+ *       interfaces operate on lifetimes (type ::psa_key_lifetime_t) which
+ *       encode the persistence as the lower 8 bits of a 32-bit value.
+ */
+typedef uint8_t psa_key_persistence_t;
+
+/** Encoding of key location indicators.
+ *
+ * If an implementation of this API can make calls to external
+ * cryptoprocessors such as secure elements, the location of a key
+ * indicates which secure element performs the operations on the key.
+ * If an implementation offers multiple physical locations for persistent
+ * storage, the location indicator reflects at which physical location
+ * the key is stored.
+ *
+ * This specification defines the following values of location indicators:
+ * - \c 0: primary local storage.
+ *   All implementations should support this value.
+ *   The primary local storage is typically the same storage area that
+ *   contains the key metadata.
+ * - \c 1: primary secure element.
+ *   Implementations should support this value if there is a secure element
+ *   attached to the operating environment.
+ *   As a guideline, secure elements may provide higher resistance against
+ *   side channel and physical attacks than the primary local storage, but may
+ *   have restrictions on supported key types, sizes, policies and operations
+ *   and may have different performance characteristics.
+ * - \c 2-0x7fffff: other locations defined by a PSA specification.
+ *   The PSA Cryptography API does not currently assign any meaning to these
+ *   locations, but future versions of this specification or other PSA
+ *   specifications may do so.
+ * - \c 0x800000-0xffffff: vendor-defined locations.
+ *   No PSA specification will assign a meaning to locations in this range.
+ *
+ * \note Key location indicators are 24-bit values. Key management
+ *       interfaces operate on lifetimes (type ::psa_key_lifetime_t) which
+ *       encode the location as the upper 24 bits of a 32-bit value.
+ */
+typedef uint32_t psa_key_location_t;
+
 /** Encoding of identifiers of persistent keys.
  *
  * - Applications may freely choose key identifiers in the range
diff --git a/include/psa/crypto_values.h b/include/psa/crypto_values.h
index baaabff..9fed276 100644
--- a/include/psa/crypto_values.h
+++ b/include/psa/crypto_values.h
@@ -672,22 +672,24 @@
 #define PSA_ALG_IS_AEAD(alg)                                            \
     (((alg) & PSA_ALG_CATEGORY_MASK) == PSA_ALG_CATEGORY_AEAD)
 
-/** Whether the specified algorithm is a public-key signature algorithm.
+/** Whether the specified algorithm is an asymmetric signature algorithm,
+ * also known as public-key signature algorithm.
  *
  * \param alg An algorithm identifier (value of type #psa_algorithm_t).
  *
- * \return 1 if \p alg is a public-key signature algorithm, 0 otherwise.
+ * \return 1 if \p alg is an asymmetric signature algorithm, 0 otherwise.
  *         This macro may return either 0 or 1 if \p alg is not a supported
  *         algorithm identifier.
  */
 #define PSA_ALG_IS_SIGN(alg)                                            \
     (((alg) & PSA_ALG_CATEGORY_MASK) == PSA_ALG_CATEGORY_SIGN)
 
-/** Whether the specified algorithm is a public-key encryption algorithm.
+/** Whether the specified algorithm is an asymmetric encryption algorithm,
+ * also known as public-key encryption algorithm.
  *
  * \param alg An algorithm identifier (value of type #psa_algorithm_t).
  *
- * \return 1 if \p alg is a public-key encryption algorithm, 0 otherwise.
+ * \return 1 if \p alg is an asymmetric encryption algorithm, 0 otherwise.
  *         This macro may return either 0 or 1 if \p alg is not a supported
  *         algorithm identifier.
  */
@@ -1205,9 +1207,9 @@
 
 /** Whether the specified algorithm is a hash-and-sign algorithm.
  *
- * Hash-and-sign algorithms are public-key signature algorithms structured
- * in two parts: first the calculation of a hash in a way that does not
- * depend on the key, then the calculation of a signature from the
+ * Hash-and-sign algorithms are asymmetric (public-key) signature algorithms
+ * structured in two parts: first the calculation of a hash in a way that
+ * does not depend on the key, then the calculation of a signature from the
  * hash value and the key.
  *
  * \param alg An algorithm identifier (value of type #psa_algorithm_t).
@@ -1259,7 +1261,7 @@
  *                      #PSA_ALG_IS_HASH(\p hash_alg) is true) to use
  *                      for MGF1.
  *
- * \return              The corresponding RSA OAEP signature algorithm.
+ * \return              The corresponding RSA OAEP encryption algorithm.
  * \return              Unspecified if \p hash_alg is not a supported
  *                      hash algorithm.
  */
@@ -1539,12 +1541,20 @@
  * @{
  */
 
-/** A volatile key only exists as long as the handle to it is not closed.
+/** The default lifetime for volatile keys.
+ *
+ * A volatile key only exists as long as the handle to it is not closed.
  * The key material is guaranteed to be erased on a power reset.
+ *
+ * A key with this lifetime is typically stored in the RAM area of the
+ * PSA Crypto subsystem. However this is an implementation choice.
+ * If an implementation stores data about the key in a non-volatile memory,
+ * it must release all the resources associated with the key and erase the
+ * key material if the calling application terminates.
  */
 #define PSA_KEY_LIFETIME_VOLATILE               ((psa_key_lifetime_t)0x00000000)
 
-/** The default storage area for persistent keys.
+/** The default lifetime for persistent keys.
  *
  * A persistent key remains in storage until it is explicitly destroyed or
  * until the corresponding storage area is wiped. This specification does
@@ -1555,9 +1565,77 @@
  * This lifetime value is the default storage area for the calling
  * application. Implementations may offer other storage areas designated
  * by other lifetime values as implementation-specific extensions.
+ * See ::psa_key_lifetime_t for more information.
  */
 #define PSA_KEY_LIFETIME_PERSISTENT             ((psa_key_lifetime_t)0x00000001)
 
+/** The persistence level of volatile keys.
+ *
+ * See ::psa_key_persistence_t for more information.
+ */
+#define PSA_KEY_PERSISTENCE_VOLATILE            ((psa_key_persistence_t)0x00)
+
+/** The default persistence level for persistent keys.
+ *
+ * See ::psa_key_persistence_t for more information.
+ */
+#define PSA_KEY_PERSISTENCE_DEFAULT             ((psa_key_persistence_t)0x01)
+
+/** A persistence level indicating that a key is never destroyed.
+ *
+ * See ::psa_key_persistence_t for more information.
+ */
+#define PSA_KEY_PERSISTENCE_READ_ONLY           ((psa_key_persistence_t)0xff)
+
+#define PSA_KEY_LIFETIME_GET_PERSISTENCE(lifetime)      \
+    ((psa_key_persistence_t)((lifetime) & 0x000000ff))
+
+#define PSA_KEY_LIFETIME_GET_LOCATION(lifetime)      \
+    ((psa_key_location_t)((lifetime) >> 8))
+
+/** Whether a key lifetime indicates that the key is volatile.
+ *
+ * A volatile key is automatically destroyed by the implementation when
+ * the application instance terminates. In particular, a volatile key
+ * is automatically destroyed on a power reset of the device.
+ *
+ * A key that is not volatile is persistent. Persistent keys are
+ * preserved until the application explicitly destroys them or until an
+ * implementation-specific device management event occurs (for example,
+ * a factory reset).
+ *
+ * \param lifetime      The lifetime value to query (value of type
+ *                      ::psa_key_lifetime_t).
+ *
+ * \return \c 1 if the key is volatile, otherwise \c 0.
+ */
+#define PSA_KEY_LIFETIME_IS_VOLATILE(lifetime)  \
+    (PSA_KEY_LIFETIME_GET_PERSISTENCE(lifetime) == \
+     PSA_KEY_LIFETIME_PERSISTENCE_VOLATILE)
+
+/** Construct a lifetime from a persistence level and a location.
+ *
+ * \param persistence   The persistence level
+ *                      (value of type ::psa_key_persistence_t).
+ * \param location      The location indicator
+ *                      (value of type ::psa_key_location_t).
+ *
+ * \return The constructed lifetime value.
+ */
+#define PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(persistence, location) \
+    ((location) << 8 | (persistence))
+
+/** The local storage area for persistent keys.
+ *
+ * This storage area is available on all systems that can store persistent
+ * keys without delegating the storage to a third-party cryptoprocessor.
+ *
+ * See ::psa_key_location_t for more information.
+ */
+#define PSA_KEY_LOCATION_LOCAL_STORAGE          ((psa_key_location_t)0x000000)
+
+#define PSA_KEY_LOCATION_VENDOR_FLAG            ((psa_key_location_t)0x800000)
+
 /** The minimum value for a key identifier chosen by the application.
  */
 #define PSA_KEY_ID_USER_MIN                     ((psa_app_key_id_t)0x00000001)
diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index fd98fa5..f6a186f 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -113,12 +113,6 @@
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-declarations -Wmissing-prototypes -Wdocumentation -Wno-documentation-deprecated-sync -Wunreachable-code")
 endif(CMAKE_COMPILER_IS_CLANG)
 
-if(UNSAFE_BUILD)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error")
-    set(CMAKE_C_FLAGS_ASAN "${CMAKE_C_FLAGS_ASAN} -Wno-error")
-    set(CMAKE_C_FLAGS_ASANDBG "${CMAKE_C_FLAGS_ASANDBG} -Wno-error")
-endif(UNSAFE_BUILD)
-
 if(WIN32)
     set(libs ${libs} ws2_32)
 endif(WIN32)
diff --git a/library/bignum.c b/library/bignum.c
index d56a16e..d9ab6f6 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -244,6 +244,22 @@
 }
 
 /*
+ * Conditionally assign dest = src, without leaking information
+ * about whether the assignment was made or not.
+ * dest and src must be arrays of limbs of size n.
+ * assign must be 0 or 1.
+ */
+static void mpi_safe_cond_assign( size_t n,
+                                  mbedtls_mpi_uint *dest,
+                                  const mbedtls_mpi_uint *src,
+                                  unsigned char assign )
+{
+    size_t i;
+    for( i = 0; i < n; i++ )
+        dest[i] = dest[i] * ( 1 - assign ) + src[i] * assign;
+}
+
+/*
  * Conditionally assign X = Y, without leaking information
  * about whether the assignment was made or not.
  * (Leaking information about the respective sizes of X and Y is ok however.)
@@ -262,10 +278,9 @@
 
     X->s = X->s * ( 1 - assign ) + Y->s * assign;
 
-    for( i = 0; i < Y->n; i++ )
-        X->p[i] = X->p[i] * ( 1 - assign ) + Y->p[i] * assign;
+    mpi_safe_cond_assign( Y->n, X->p, Y->p, assign );
 
-    for( ; i < X->n; i++ )
+    for( i = Y->n; i < X->n; i++ )
         X->p[i] *= ( 1 - assign );
 
 cleanup:
@@ -1327,10 +1342,24 @@
     return( ret );
 }
 
-/*
- * Helper for mbedtls_mpi subtraction
+/**
+ * Helper for mbedtls_mpi subtraction.
+ *
+ * Calculate d - s where d and s have the same size.
+ * This function operates modulo (2^ciL)^n and returns the carry
+ * (1 if there was a wraparound, i.e. if `d < s`, and 0 otherwise).
+ *
+ * \param n             Number of limbs of \p d and \p s.
+ * \param[in,out] d     On input, the left operand.
+ *                      On output, the result of the subtraction:
+ * \param[in] s         The right operand.
+ *
+ * \return              1 if `d < s`.
+ *                      0 if `d >= s`.
  */
-static void mpi_sub_hlp( size_t n, mbedtls_mpi_uint *s, mbedtls_mpi_uint *d )
+static mbedtls_mpi_uint mpi_sub_hlp( size_t n,
+                                     mbedtls_mpi_uint *d,
+                                     const mbedtls_mpi_uint *s )
 {
     size_t i;
     mbedtls_mpi_uint c, z;
@@ -1341,28 +1370,22 @@
         c = ( *d < *s ) + z; *d -= *s;
     }
 
-    while( c != 0 )
-    {
-        z = ( *d < c ); *d -= c;
-        c = z; d++;
-    }
+    return( c );
 }
 
 /*
- * Unsigned subtraction: X = |A| - |B|  (HAC 14.9)
+ * Unsigned subtraction: X = |A| - |B|  (HAC 14.9, 14.10)
  */
 int mbedtls_mpi_sub_abs( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi *B )
 {
     mbedtls_mpi TB;
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t n;
+    mbedtls_mpi_uint carry;
     MPI_VALIDATE_RET( X != NULL );
     MPI_VALIDATE_RET( A != NULL );
     MPI_VALIDATE_RET( B != NULL );
 
-    if( mbedtls_mpi_cmp_abs( A, B ) < 0 )
-        return( MBEDTLS_ERR_MPI_NEGATIVE_VALUE );
-
     mbedtls_mpi_init( &TB );
 
     if( X == B )
@@ -1385,7 +1408,18 @@
         if( B->p[n - 1] != 0 )
             break;
 
-    mpi_sub_hlp( n, B->p, X->p );
+    carry = mpi_sub_hlp( n, X->p, B->p );
+    if( carry != 0 )
+    {
+        /* Propagate the carry to the first nonzero limb of X. */
+        for( ; n < X->n && X->p[n] == 0; n++ )
+            --X->p[n];
+        /* If we ran out of space for the carry, it means that the result
+         * is negative. */
+        if( n == X->n )
+            return( MBEDTLS_ERR_MPI_NEGATIVE_VALUE );
+        --X->p[n];
+    }
 
 cleanup:
 
@@ -1975,18 +2009,34 @@
     *mm = ~x + 1;
 }
 
-/*
- * Montgomery multiplication: A = A * B * R^-1 mod N  (HAC 14.36)
+/** Montgomery multiplication: A = A * B * R^-1 mod N  (HAC 14.36)
+ *
+ * \param[in,out]   A   One of the numbers to multiply.
+ *                      It must have at least as many limbs as N
+ *                      (A->n >= N->n), and any limbs beyond n are ignored.
+ *                      On successful completion, A contains the result of
+ *                      the multiplication A * B * R^-1 mod N where
+ *                      R = (2^ciL)^n.
+ * \param[in]       B   One of the numbers to multiply.
+ *                      It must be nonzero and must not have more limbs than N
+ *                      (B->n <= N->n).
+ * \param[in]       N   The modulo. N must be odd.
+ * \param           mm  The value calculated by `mpi_montg_init(&mm, N)`.
+ *                      This is -N^-1 mod 2^ciL.
+ * \param[in,out]   T   A bignum for temporary storage.
+ *                      It must be at least twice the limb size of N plus 2
+ *                      (T->n >= 2 * (N->n + 1)).
+ *                      Its initial content is unused and
+ *                      its final content is indeterminate.
+ *                      Note that unlike the usual convention in the library
+ *                      for `const mbedtls_mpi*`, the content of T can change.
  */
-static int mpi_montmul( mbedtls_mpi *A, const mbedtls_mpi *B, const mbedtls_mpi *N, mbedtls_mpi_uint mm,
+static void mpi_montmul( mbedtls_mpi *A, const mbedtls_mpi *B, const mbedtls_mpi *N, mbedtls_mpi_uint mm,
                          const mbedtls_mpi *T )
 {
     size_t i, n, m;
     mbedtls_mpi_uint u0, u1, *d;
 
-    if( T->n < N->n + 1 || T->p == NULL )
-        return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
-
     memset( T->p, 0, T->n * ciL );
 
     d = T->p;
@@ -2007,22 +2057,34 @@
         *d++ = u0; d[n + 1] = 0;
     }
 
-    memcpy( A->p, d, ( n + 1 ) * ciL );
+    /* At this point, d is either the desired result or the desired result
+     * plus N. We now potentially subtract N, avoiding leaking whether the
+     * subtraction is performed through side channels. */
 
-    if( mbedtls_mpi_cmp_abs( A, N ) >= 0 )
-        mpi_sub_hlp( n, N->p, A->p );
-    else
-        /* prevent timing attacks */
-        mpi_sub_hlp( n, A->p, T->p );
-
-    return( 0 );
+    /* Copy the n least significant limbs of d to A, so that
+     * A = d if d < N (recall that N has n limbs). */
+    memcpy( A->p, d, n * ciL );
+    /* If d >= N then we want to set A to d - N. To prevent timing attacks,
+     * do the calculation without using conditional tests. */
+    /* Set d to d0 + (2^biL)^n - N where d0 is the current value of d. */
+    d[n] += 1;
+    d[n] -= mpi_sub_hlp( n, d, N->p );
+    /* If d0 < N then d < (2^biL)^n
+     * so d[n] == 0 and we want to keep A as it is.
+     * If d0 >= N then d >= (2^biL)^n, and d <= (2^biL)^n + N < 2 * (2^biL)^n
+     * so d[n] == 1 and we want to set A to the result of the subtraction
+     * which is d - (2^biL)^n, i.e. the n least significant limbs of d.
+     * This exactly corresponds to a conditional assignment. */
+    mpi_safe_cond_assign( n, A->p, d, (unsigned char) d[n] );
 }
 
 /*
  * Montgomery reduction: A = A * R^-1 mod N
+ *
+ * See mpi_montmul() regarding constraints and guarantees on the parameters.
  */
-static int mpi_montred( mbedtls_mpi *A, const mbedtls_mpi *N,
-                        mbedtls_mpi_uint mm, const mbedtls_mpi *T )
+static void mpi_montred( mbedtls_mpi *A, const mbedtls_mpi *N,
+                         mbedtls_mpi_uint mm, const mbedtls_mpi *T )
 {
     mbedtls_mpi_uint z = 1;
     mbedtls_mpi U;
@@ -2030,7 +2092,7 @@
     U.n = U.s = (int) z;
     U.p = &z;
 
-    return( mpi_montmul( A, &U, N, mm, T ) );
+    mpi_montmul( A, &U, N, mm, T );
 }
 
 /*
@@ -2116,13 +2178,13 @@
     else
         MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &W[1], A ) );
 
-    MBEDTLS_MPI_CHK( mpi_montmul( &W[1], &RR, N, mm, &T ) );
+    mpi_montmul( &W[1], &RR, N, mm, &T );
 
     /*
      * X = R^2 * R^-1 mod N = R mod N
      */
     MBEDTLS_MPI_CHK( mbedtls_mpi_copy( X, &RR ) );
-    MBEDTLS_MPI_CHK( mpi_montred( X, N, mm, &T ) );
+    mpi_montred( X, N, mm, &T );
 
     if( wsize > 1 )
     {
@@ -2135,7 +2197,7 @@
         MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &W[j], &W[1]    ) );
 
         for( i = 0; i < wsize - 1; i++ )
-            MBEDTLS_MPI_CHK( mpi_montmul( &W[j], &W[j], N, mm, &T ) );
+            mpi_montmul( &W[j], &W[j], N, mm, &T );
 
         /*
          * W[i] = W[i - 1] * W[1]
@@ -2145,7 +2207,7 @@
             MBEDTLS_MPI_CHK( mbedtls_mpi_grow( &W[i], N->n + 1 ) );
             MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &W[i], &W[i - 1] ) );
 
-            MBEDTLS_MPI_CHK( mpi_montmul( &W[i], &W[1], N, mm, &T ) );
+            mpi_montmul( &W[i], &W[1], N, mm, &T );
         }
     }
 
@@ -2182,7 +2244,7 @@
             /*
              * out of window, square X
              */
-            MBEDTLS_MPI_CHK( mpi_montmul( X, X, N, mm, &T ) );
+            mpi_montmul( X, X, N, mm, &T );
             continue;
         }
 
@@ -2200,12 +2262,12 @@
              * X = X^wsize R^-1 mod N
              */
             for( i = 0; i < wsize; i++ )
-                MBEDTLS_MPI_CHK( mpi_montmul( X, X, N, mm, &T ) );
+                mpi_montmul( X, X, N, mm, &T );
 
             /*
              * X = X * W[wbits] R^-1 mod N
              */
-            MBEDTLS_MPI_CHK( mpi_montmul( X, &W[wbits], N, mm, &T ) );
+            mpi_montmul( X, &W[wbits], N, mm, &T );
 
             state--;
             nbits = 0;
@@ -2218,18 +2280,18 @@
      */
     for( i = 0; i < nbits; i++ )
     {
-        MBEDTLS_MPI_CHK( mpi_montmul( X, X, N, mm, &T ) );
+        mpi_montmul( X, X, N, mm, &T );
 
         wbits <<= 1;
 
         if( ( wbits & ( one << wsize ) ) != 0 )
-            MBEDTLS_MPI_CHK( mpi_montmul( X, &W[1], N, mm, &T ) );
+            mpi_montmul( X, &W[1], N, mm, &T );
     }
 
     /*
      * X = A^E * R * R^-1 mod N = A^E mod N
      */
-    MBEDTLS_MPI_CHK( mpi_montred( X, N, mm, &T ) );
+    mpi_montred( X, N, mm, &T );
 
     if( neg && E->n != 0 && ( E->p[0] & 1 ) != 0 )
     {
diff --git a/library/common.h b/library/common.h
new file mode 100644
index 0000000..ba2c52e
--- /dev/null
+++ b/library/common.h
@@ -0,0 +1,55 @@
+/**
+ * \file common.h
+ *
+ * \brief Utility macros for internal use in the library
+ */
+/*
+ *  Copyright (C) 2019, ARM Limited, All Rights Reserved
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  This file is part of mbed TLS (https://tls.mbed.org)
+ */
+
+#ifndef MBEDTLS_LIBRARY_COMMON_H
+#define MBEDTLS_LIBRARY_COMMON_H
+
+#if defined(MBEDTLS_CONFIG_FILE)
+#include MBEDTLS_CONFIG_FILE
+#else
+#include "mbedtls/config.h"
+#endif
+
+/** Helper to define a function as static except when building invasive tests.
+ *
+ * If a function is only used inside its own source file and should be
+ * declared `static` to allow the compiler to optimize for code size,
+ * but that function has unit tests, define it with
+ * ```
+ * MBEDTLS_STATIC_TESTABLE int mbedtls_foo(...) { ... }
+ * ```
+ * and declare it in a header in the `library/` directory with
+ * ```
+ * #if defined(MBEDTLS_TEST_HOOKS)
+ * int mbedtls_foo(...);
+ * #endif
+ * ```
+ */
+#if defined(MBEDTLS_TEST_HOOKS)
+#define MBEDTLS_STATIC_TESTABLE
+#else
+#define MBEDTLS_STATIC_TESTABLE static
+#endif
+
+#endif /* MBEDTLS_LIBRARY_COMMON_H */
diff --git a/library/ecp.c b/library/ecp.c
index 104e1f1..9522edf 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -1544,7 +1544,10 @@
             MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( &l, 1 ) );
 
         if( count++ > 10 )
-            return( MBEDTLS_ERR_ECP_RANDOM_FAILED );
+        {
+            ret = MBEDTLS_ERR_ECP_RANDOM_FAILED;
+            goto cleanup;
+        }
     }
     while( mbedtls_mpi_cmp_int( &l, 1 ) <= 0 );
 
@@ -2278,7 +2281,10 @@
             MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( &l, 1 ) );
 
         if( count++ > 10 )
-            return( MBEDTLS_ERR_ECP_RANDOM_FAILED );
+        {
+            ret = MBEDTLS_ERR_ECP_RANDOM_FAILED;
+            goto cleanup;
+        }
     }
     while( mbedtls_mpi_cmp_int( &l, 1 ) <= 0 );
 
@@ -2856,7 +2862,10 @@
              * such as secp224k1 are actually very close to the worst case.
              */
             if( ++count > 30 )
-                return( MBEDTLS_ERR_ECP_RANDOM_FAILED );
+            {
+                ret = MBEDTLS_ERR_ECP_RANDOM_FAILED;
+                goto cleanup;
+            }
 
             ret = mbedtls_mpi_lt_mpi_ct( d, &grp->N, &cmp );
             if( ret != 0 )
diff --git a/library/entropy_poll.c b/library/entropy_poll.c
index c9b2c95..8b4a5af 100644
--- a/library/entropy_poll.c
+++ b/library/entropy_poll.c
@@ -52,7 +52,7 @@
 
 #if !defined(unix) && !defined(__unix__) && !defined(__unix) && \
     !defined(__APPLE__) && !defined(_WIN32) && !defined(__QNXNTO__) && \
-    !defined(__HAIKU__)
+    !defined(__HAIKU__) && !defined(__midipix__)
 #error "Platform entropy sources only work on Unix and Windows, see MBEDTLS_NO_PLATFORM_ENTROPY in config.h"
 #endif
 
@@ -95,7 +95,7 @@
  * Since there is no wrapper in the libc yet, use the generic syscall wrapper
  * available in GNU libc and compatible libc's (eg uClibc).
  */
-#if defined(__linux__) && defined(__GLIBC__)
+#if ((defined(__linux__) && defined(__GLIBC__)) || defined(__midipix__))
 #include <unistd.h>
 #include <sys/syscall.h>
 #if defined(SYS_getrandom)
@@ -113,7 +113,7 @@
     return( syscall( SYS_getrandom, buf, buflen, flags ) );
 }
 #endif /* SYS_getrandom */
-#endif /* __linux__ */
+#endif /* __linux__ || __midipix__ */
 
 #include <stdio.h>
 
diff --git a/library/error.c b/library/error.c
index d2f1b18..be60798 100644
--- a/library/error.c
+++ b/library/error.c
@@ -52,6 +52,10 @@
 #include "mbedtls/aria.h"
 #endif
 
+#if defined(MBEDTLS_ASN1_PARSE_C)
+#include "mbedtls/asn1.h"
+#endif
+
 #if defined(MBEDTLS_BASE64_C)
 #include "mbedtls/base64.h"
 #endif
@@ -216,7 +220,6 @@
 const char * mbedtls_high_level_strerr( int error_code )
 {
     int high_level_error_code;
-    const char *error_description = NULL;
 
     if( error_code < 0 )
         error_code = -error_code;
@@ -229,497 +232,343 @@
         /* Begin Auto-Generated Code. */
 #if defined(MBEDTLS_CIPHER_C)
         case -(MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE):
-            error_description = "CIPHER - The selected feature is not available";
-            break;
+            return( "CIPHER - The selected feature is not available" );
         case -(MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA):
-            error_description = "CIPHER - Bad input parameters";
-            break;
+            return( "CIPHER - Bad input parameters" );
         case -(MBEDTLS_ERR_CIPHER_ALLOC_FAILED):
-            error_description = "CIPHER - Failed to allocate memory";
-            break;
+            return( "CIPHER - Failed to allocate memory" );
         case -(MBEDTLS_ERR_CIPHER_INVALID_PADDING):
-            error_description = "CIPHER - Input data contains invalid padding and is rejected";
-            break;
+            return( "CIPHER - Input data contains invalid padding and is rejected" );
         case -(MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED):
-            error_description = "CIPHER - Decryption of block requires a full block";
-            break;
+            return( "CIPHER - Decryption of block requires a full block" );
         case -(MBEDTLS_ERR_CIPHER_AUTH_FAILED):
-            error_description = "CIPHER - Authentication failed (for AEAD modes)";
-            break;
+            return( "CIPHER - Authentication failed (for AEAD modes)" );
         case -(MBEDTLS_ERR_CIPHER_INVALID_CONTEXT):
-            error_description = "CIPHER - The context is invalid. For example, because it was freed";
-            break;
+            return( "CIPHER - The context is invalid. For example, because it was freed" );
         case -(MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED):
-            error_description = "CIPHER - Cipher hardware accelerator failed";
-            break;
+            return( "CIPHER - Cipher hardware accelerator failed" );
 #endif /* MBEDTLS_CIPHER_C */
 
 #if defined(MBEDTLS_DHM_C)
         case -(MBEDTLS_ERR_DHM_BAD_INPUT_DATA):
-            error_description = "DHM - Bad input parameters";
-            break;
+            return( "DHM - Bad input parameters" );
         case -(MBEDTLS_ERR_DHM_READ_PARAMS_FAILED):
-            error_description = "DHM - Reading of the DHM parameters failed";
-            break;
+            return( "DHM - Reading of the DHM parameters failed" );
         case -(MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED):
-            error_description = "DHM - Making of the DHM parameters failed";
-            break;
+            return( "DHM - Making of the DHM parameters failed" );
         case -(MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED):
-            error_description = "DHM - Reading of the public values failed";
-            break;
+            return( "DHM - Reading of the public values failed" );
         case -(MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED):
-            error_description = "DHM - Making of the public value failed";
-            break;
+            return( "DHM - Making of the public value failed" );
         case -(MBEDTLS_ERR_DHM_CALC_SECRET_FAILED):
-            error_description = "DHM - Calculation of the DHM secret failed";
-            break;
+            return( "DHM - Calculation of the DHM secret failed" );
         case -(MBEDTLS_ERR_DHM_INVALID_FORMAT):
-            error_description = "DHM - The ASN.1 data is not formatted correctly";
-            break;
+            return( "DHM - The ASN.1 data is not formatted correctly" );
         case -(MBEDTLS_ERR_DHM_ALLOC_FAILED):
-            error_description = "DHM - Allocation of memory failed";
-            break;
+            return( "DHM - Allocation of memory failed" );
         case -(MBEDTLS_ERR_DHM_FILE_IO_ERROR):
-            error_description = "DHM - Read or write of file failed";
-            break;
+            return( "DHM - Read or write of file failed" );
         case -(MBEDTLS_ERR_DHM_HW_ACCEL_FAILED):
-            error_description = "DHM - DHM hardware accelerator failed";
-            break;
+            return( "DHM - DHM hardware accelerator failed" );
         case -(MBEDTLS_ERR_DHM_SET_GROUP_FAILED):
-            error_description = "DHM - Setting the modulus and generator failed";
-            break;
+            return( "DHM - Setting the modulus and generator failed" );
 #endif /* MBEDTLS_DHM_C */
 
 #if defined(MBEDTLS_ECP_C)
         case -(MBEDTLS_ERR_ECP_BAD_INPUT_DATA):
-            error_description = "ECP - Bad input parameters to function";
-            break;
+            return( "ECP - Bad input parameters to function" );
         case -(MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL):
-            error_description = "ECP - The buffer is too small to write to";
-            break;
+            return( "ECP - The buffer is too small to write to" );
         case -(MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE):
-            error_description = "ECP - The requested feature is not available, for example, the requested curve is not supported";
-            break;
+            return( "ECP - The requested feature is not available, for example, the requested curve is not supported" );
         case -(MBEDTLS_ERR_ECP_VERIFY_FAILED):
-            error_description = "ECP - The signature is not valid";
-            break;
+            return( "ECP - The signature is not valid" );
         case -(MBEDTLS_ERR_ECP_ALLOC_FAILED):
-            error_description = "ECP - Memory allocation failed";
-            break;
+            return( "ECP - Memory allocation failed" );
         case -(MBEDTLS_ERR_ECP_RANDOM_FAILED):
-            error_description = "ECP - Generation of random value, such as ephemeral key, failed";
-            break;
+            return( "ECP - Generation of random value, such as ephemeral key, failed" );
         case -(MBEDTLS_ERR_ECP_INVALID_KEY):
-            error_description = "ECP - Invalid private or public key";
-            break;
+            return( "ECP - Invalid private or public key" );
         case -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH):
-            error_description = "ECP - The buffer contains a valid signature followed by more data";
-            break;
+            return( "ECP - The buffer contains a valid signature followed by more data" );
         case -(MBEDTLS_ERR_ECP_HW_ACCEL_FAILED):
-            error_description = "ECP - The ECP hardware accelerator failed";
-            break;
+            return( "ECP - The ECP hardware accelerator failed" );
         case -(MBEDTLS_ERR_ECP_IN_PROGRESS):
-            error_description = "ECP - Operation in progress, call again with the same parameters to continue";
-            break;
+            return( "ECP - Operation in progress, call again with the same parameters to continue" );
 #endif /* MBEDTLS_ECP_C */
 
 #if defined(MBEDTLS_MD_C)
         case -(MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE):
-            error_description = "MD - The selected feature is not available";
-            break;
+            return( "MD - The selected feature is not available" );
         case -(MBEDTLS_ERR_MD_BAD_INPUT_DATA):
-            error_description = "MD - Bad input parameters to function";
-            break;
+            return( "MD - Bad input parameters to function" );
         case -(MBEDTLS_ERR_MD_ALLOC_FAILED):
-            error_description = "MD - Failed to allocate memory";
-            break;
+            return( "MD - Failed to allocate memory" );
         case -(MBEDTLS_ERR_MD_FILE_IO_ERROR):
-            error_description = "MD - Opening or reading of file failed";
-            break;
+            return( "MD - Opening or reading of file failed" );
         case -(MBEDTLS_ERR_MD_HW_ACCEL_FAILED):
-            error_description = "MD - MD hardware accelerator failed";
-            break;
+            return( "MD - MD hardware accelerator failed" );
 #endif /* MBEDTLS_MD_C */
 
 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C)
         case -(MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT):
-            error_description = "PEM - No PEM header or footer found";
-            break;
+            return( "PEM - No PEM header or footer found" );
         case -(MBEDTLS_ERR_PEM_INVALID_DATA):
-            error_description = "PEM - PEM string is not as expected";
-            break;
+            return( "PEM - PEM string is not as expected" );
         case -(MBEDTLS_ERR_PEM_ALLOC_FAILED):
-            error_description = "PEM - Failed to allocate memory";
-            break;
+            return( "PEM - Failed to allocate memory" );
         case -(MBEDTLS_ERR_PEM_INVALID_ENC_IV):
-            error_description = "PEM - RSA IV is not in hex-format";
-            break;
+            return( "PEM - RSA IV is not in hex-format" );
         case -(MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG):
-            error_description = "PEM - Unsupported key encryption algorithm";
-            break;
+            return( "PEM - Unsupported key encryption algorithm" );
         case -(MBEDTLS_ERR_PEM_PASSWORD_REQUIRED):
-            error_description = "PEM - Private key password can't be empty";
-            break;
+            return( "PEM - Private key password can't be empty" );
         case -(MBEDTLS_ERR_PEM_PASSWORD_MISMATCH):
-            error_description = "PEM - Given private key password does not allow for correct decryption";
-            break;
+            return( "PEM - Given private key password does not allow for correct decryption" );
         case -(MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE):
-            error_description = "PEM - Unavailable feature, e.g. hashing/encryption combination";
-            break;
+            return( "PEM - Unavailable feature, e.g. hashing/encryption combination" );
         case -(MBEDTLS_ERR_PEM_BAD_INPUT_DATA):
-            error_description = "PEM - Bad input parameters to function";
-            break;
+            return( "PEM - Bad input parameters to function" );
 #endif /* MBEDTLS_PEM_PARSE_C || MBEDTLS_PEM_WRITE_C */
 
 #if defined(MBEDTLS_PK_C)
         case -(MBEDTLS_ERR_PK_ALLOC_FAILED):
-            error_description = "PK - Memory allocation failed";
-            break;
+            return( "PK - Memory allocation failed" );
         case -(MBEDTLS_ERR_PK_TYPE_MISMATCH):
-            error_description = "PK - Type mismatch, eg attempt to encrypt with an ECDSA key";
-            break;
+            return( "PK - Type mismatch, eg attempt to encrypt with an ECDSA key" );
         case -(MBEDTLS_ERR_PK_BAD_INPUT_DATA):
-            error_description = "PK - Bad input parameters to function";
-            break;
+            return( "PK - Bad input parameters to function" );
         case -(MBEDTLS_ERR_PK_FILE_IO_ERROR):
-            error_description = "PK - Read/write of file failed";
-            break;
+            return( "PK - Read/write of file failed" );
         case -(MBEDTLS_ERR_PK_KEY_INVALID_VERSION):
-            error_description = "PK - Unsupported key version";
-            break;
+            return( "PK - Unsupported key version" );
         case -(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT):
-            error_description = "PK - Invalid key tag or value";
-            break;
+            return( "PK - Invalid key tag or value" );
         case -(MBEDTLS_ERR_PK_UNKNOWN_PK_ALG):
-            error_description = "PK - Key algorithm is unsupported (only RSA and EC are supported)";
-            break;
+            return( "PK - Key algorithm is unsupported (only RSA and EC are supported)" );
         case -(MBEDTLS_ERR_PK_PASSWORD_REQUIRED):
-            error_description = "PK - Private key password can't be empty";
-            break;
+            return( "PK - Private key password can't be empty" );
         case -(MBEDTLS_ERR_PK_PASSWORD_MISMATCH):
-            error_description = "PK - Given private key password does not allow for correct decryption";
-            break;
+            return( "PK - Given private key password does not allow for correct decryption" );
         case -(MBEDTLS_ERR_PK_INVALID_PUBKEY):
-            error_description = "PK - The pubkey tag or value is invalid (only RSA and EC are supported)";
-            break;
+            return( "PK - The pubkey tag or value is invalid (only RSA and EC are supported)" );
         case -(MBEDTLS_ERR_PK_INVALID_ALG):
-            error_description = "PK - The algorithm tag or value is invalid";
-            break;
+            return( "PK - The algorithm tag or value is invalid" );
         case -(MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE):
-            error_description = "PK - Elliptic curve is unsupported (only NIST curves are supported)";
-            break;
+            return( "PK - Elliptic curve is unsupported (only NIST curves are supported)" );
         case -(MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE):
-            error_description = "PK - Unavailable feature, e.g. RSA disabled for RSA key";
-            break;
+            return( "PK - Unavailable feature, e.g. RSA disabled for RSA key" );
         case -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH):
-            error_description = "PK - The buffer contains a valid signature followed by more data";
-            break;
+            return( "PK - The buffer contains a valid signature followed by more data" );
         case -(MBEDTLS_ERR_PK_HW_ACCEL_FAILED):
-            error_description = "PK - PK hardware accelerator failed";
-            break;
+            return( "PK - PK hardware accelerator failed" );
 #endif /* MBEDTLS_PK_C */
 
 #if defined(MBEDTLS_PKCS12_C)
         case -(MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA):
-            error_description = "PKCS12 - Bad input parameters to function";
-            break;
+            return( "PKCS12 - Bad input parameters to function" );
         case -(MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE):
-            error_description = "PKCS12 - Feature not available, e.g. unsupported encryption scheme";
-            break;
+            return( "PKCS12 - Feature not available, e.g. unsupported encryption scheme" );
         case -(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT):
-            error_description = "PKCS12 - PBE ASN.1 data not as expected";
-            break;
+            return( "PKCS12 - PBE ASN.1 data not as expected" );
         case -(MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH):
-            error_description = "PKCS12 - Given private key password does not allow for correct decryption";
-            break;
+            return( "PKCS12 - Given private key password does not allow for correct decryption" );
 #endif /* MBEDTLS_PKCS12_C */
 
 #if defined(MBEDTLS_PKCS5_C)
         case -(MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA):
-            error_description = "PKCS5 - Bad input parameters to function";
-            break;
+            return( "PKCS5 - Bad input parameters to function" );
         case -(MBEDTLS_ERR_PKCS5_INVALID_FORMAT):
-            error_description = "PKCS5 - Unexpected ASN.1 data";
-            break;
+            return( "PKCS5 - Unexpected ASN.1 data" );
         case -(MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE):
-            error_description = "PKCS5 - Requested encryption or digest alg not available";
-            break;
+            return( "PKCS5 - Requested encryption or digest alg not available" );
         case -(MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH):
-            error_description = "PKCS5 - Given private key password does not allow for correct decryption";
-            break;
+            return( "PKCS5 - Given private key password does not allow for correct decryption" );
 #endif /* MBEDTLS_PKCS5_C */
 
 #if defined(MBEDTLS_RSA_C)
         case -(MBEDTLS_ERR_RSA_BAD_INPUT_DATA):
-            error_description = "RSA - Bad input parameters to function";
-            break;
+            return( "RSA - Bad input parameters to function" );
         case -(MBEDTLS_ERR_RSA_INVALID_PADDING):
-            error_description = "RSA - Input data contains invalid padding and is rejected";
-            break;
+            return( "RSA - Input data contains invalid padding and is rejected" );
         case -(MBEDTLS_ERR_RSA_KEY_GEN_FAILED):
-            error_description = "RSA - Something failed during generation of a key";
-            break;
+            return( "RSA - Something failed during generation of a key" );
         case -(MBEDTLS_ERR_RSA_KEY_CHECK_FAILED):
-            error_description = "RSA - Key failed to pass the validity check of the library";
-            break;
+            return( "RSA - Key failed to pass the validity check of the library" );
         case -(MBEDTLS_ERR_RSA_PUBLIC_FAILED):
-            error_description = "RSA - The public key operation failed";
-            break;
+            return( "RSA - The public key operation failed" );
         case -(MBEDTLS_ERR_RSA_PRIVATE_FAILED):
-            error_description = "RSA - The private key operation failed";
-            break;
+            return( "RSA - The private key operation failed" );
         case -(MBEDTLS_ERR_RSA_VERIFY_FAILED):
-            error_description = "RSA - The PKCS#1 verification failed";
-            break;
+            return( "RSA - The PKCS#1 verification failed" );
         case -(MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE):
-            error_description = "RSA - The output buffer for decryption is not large enough";
-            break;
+            return( "RSA - The output buffer for decryption is not large enough" );
         case -(MBEDTLS_ERR_RSA_RNG_FAILED):
-            error_description = "RSA - The random generator failed to generate non-zeros";
-            break;
+            return( "RSA - The random generator failed to generate non-zeros" );
         case -(MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION):
-            error_description = "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality";
-            break;
+            return( "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality" );
         case -(MBEDTLS_ERR_RSA_HW_ACCEL_FAILED):
-            error_description = "RSA - RSA hardware accelerator failed";
-            break;
+            return( "RSA - RSA hardware accelerator failed" );
 #endif /* MBEDTLS_RSA_C */
 
 #if defined(MBEDTLS_SSL_TLS_C)
         case -(MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE):
-            error_description = "SSL - The requested feature is not available";
-            break;
+            return( "SSL - The requested feature is not available" );
         case -(MBEDTLS_ERR_SSL_BAD_INPUT_DATA):
-            error_description = "SSL - Bad input parameters to function";
-            break;
+            return( "SSL - Bad input parameters to function" );
         case -(MBEDTLS_ERR_SSL_INVALID_MAC):
-            error_description = "SSL - Verification of the message MAC failed";
-            break;
+            return( "SSL - Verification of the message MAC failed" );
         case -(MBEDTLS_ERR_SSL_INVALID_RECORD):
-            error_description = "SSL - An invalid SSL record was received";
-            break;
+            return( "SSL - An invalid SSL record was received" );
         case -(MBEDTLS_ERR_SSL_CONN_EOF):
-            error_description = "SSL - The connection indicated an EOF";
-            break;
+            return( "SSL - The connection indicated an EOF" );
         case -(MBEDTLS_ERR_SSL_UNKNOWN_CIPHER):
-            error_description = "SSL - An unknown cipher was received";
-            break;
+            return( "SSL - An unknown cipher was received" );
         case -(MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN):
-            error_description = "SSL - The server has no ciphersuites in common with the client";
-            break;
+            return( "SSL - The server has no ciphersuites in common with the client" );
         case -(MBEDTLS_ERR_SSL_NO_RNG):
-            error_description = "SSL - No RNG was provided to the SSL module";
-            break;
+            return( "SSL - No RNG was provided to the SSL module" );
         case -(MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE):
-            error_description = "SSL - No client certification received from the client, but required by the authentication mode";
-            break;
+            return( "SSL - No client certification received from the client, but required by the authentication mode" );
         case -(MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE):
-            error_description = "SSL - Our own certificate(s) is/are too large to send in an SSL message";
-            break;
+            return( "SSL - Our own certificate(s) is/are too large to send in an SSL message" );
         case -(MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED):
-            error_description = "SSL - The own certificate is not set, but needed by the server";
-            break;
+            return( "SSL - The own certificate is not set, but needed by the server" );
         case -(MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED):
-            error_description = "SSL - The own private key or pre-shared key is not set, but needed";
-            break;
+            return( "SSL - The own private key or pre-shared key is not set, but needed" );
         case -(MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED):
-            error_description = "SSL - No CA Chain is set, but required to operate";
-            break;
+            return( "SSL - No CA Chain is set, but required to operate" );
         case -(MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE):
-            error_description = "SSL - An unexpected message was received from our peer";
-            break;
+            return( "SSL - An unexpected message was received from our peer" );
         case -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE):
-            error_description = "SSL - A fatal alert message was received from our peer";
-            break;
+            return( "SSL - A fatal alert message was received from our peer" );
         case -(MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED):
-            error_description = "SSL - Verification of our peer failed";
-            break;
+            return( "SSL - Verification of our peer failed" );
         case -(MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY):
-            error_description = "SSL - The peer notified us that the connection is going to be closed";
-            break;
+            return( "SSL - The peer notified us that the connection is going to be closed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO):
-            error_description = "SSL - Processing of the ClientHello handshake message failed";
-            break;
+            return( "SSL - Processing of the ClientHello handshake message failed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO):
-            error_description = "SSL - Processing of the ServerHello handshake message failed";
-            break;
+            return( "SSL - Processing of the ServerHello handshake message failed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE):
-            error_description = "SSL - Processing of the Certificate handshake message failed";
-            break;
+            return( "SSL - Processing of the Certificate handshake message failed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST):
-            error_description = "SSL - Processing of the CertificateRequest handshake message failed";
-            break;
+            return( "SSL - Processing of the CertificateRequest handshake message failed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE):
-            error_description = "SSL - Processing of the ServerKeyExchange handshake message failed";
-            break;
+            return( "SSL - Processing of the ServerKeyExchange handshake message failed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE):
-            error_description = "SSL - Processing of the ServerHelloDone handshake message failed";
-            break;
+            return( "SSL - Processing of the ServerHelloDone handshake message failed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE):
-            error_description = "SSL - Processing of the ClientKeyExchange handshake message failed";
-            break;
+            return( "SSL - Processing of the ClientKeyExchange handshake message failed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP):
-            error_description = "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public";
-            break;
+            return( "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS):
-            error_description = "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret";
-            break;
+            return( "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY):
-            error_description = "SSL - Processing of the CertificateVerify handshake message failed";
-            break;
+            return( "SSL - Processing of the CertificateVerify handshake message failed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC):
-            error_description = "SSL - Processing of the ChangeCipherSpec handshake message failed";
-            break;
+            return( "SSL - Processing of the ChangeCipherSpec handshake message failed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_FINISHED):
-            error_description = "SSL - Processing of the Finished handshake message failed";
-            break;
+            return( "SSL - Processing of the Finished handshake message failed" );
         case -(MBEDTLS_ERR_SSL_ALLOC_FAILED):
-            error_description = "SSL - Memory allocation failed";
-            break;
+            return( "SSL - Memory allocation failed" );
         case -(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED):
-            error_description = "SSL - Hardware acceleration function returned with error";
-            break;
+            return( "SSL - Hardware acceleration function returned with error" );
         case -(MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH):
-            error_description = "SSL - Hardware acceleration function skipped / left alone data";
-            break;
+            return( "SSL - Hardware acceleration function skipped / left alone data" );
         case -(MBEDTLS_ERR_SSL_COMPRESSION_FAILED):
-            error_description = "SSL - Processing of the compression / decompression failed";
-            break;
+            return( "SSL - Processing of the compression / decompression failed" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION):
-            error_description = "SSL - Handshake protocol not within min/max boundaries";
-            break;
+            return( "SSL - Handshake protocol not within min/max boundaries" );
         case -(MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET):
-            error_description = "SSL - Processing of the NewSessionTicket handshake message failed";
-            break;
+            return( "SSL - Processing of the NewSessionTicket handshake message failed" );
         case -(MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED):
-            error_description = "SSL - Session ticket has expired";
-            break;
+            return( "SSL - Session ticket has expired" );
         case -(MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH):
-            error_description = "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)";
-            break;
+            return( "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)" );
         case -(MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY):
-            error_description = "SSL - Unknown identity received (eg, PSK identity)";
-            break;
+            return( "SSL - Unknown identity received (eg, PSK identity)" );
         case -(MBEDTLS_ERR_SSL_INTERNAL_ERROR):
-            error_description = "SSL - Internal error (eg, unexpected failure in lower-level module)";
-            break;
+            return( "SSL - Internal error (eg, unexpected failure in lower-level module)" );
         case -(MBEDTLS_ERR_SSL_COUNTER_WRAPPING):
-            error_description = "SSL - A counter would wrap (eg, too many messages exchanged)";
-            break;
+            return( "SSL - A counter would wrap (eg, too many messages exchanged)" );
         case -(MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO):
-            error_description = "SSL - Unexpected message at ServerHello in renegotiation";
-            break;
+            return( "SSL - Unexpected message at ServerHello in renegotiation" );
         case -(MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED):
-            error_description = "SSL - DTLS client must retry for hello verification";
-            break;
+            return( "SSL - DTLS client must retry for hello verification" );
         case -(MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL):
-            error_description = "SSL - A buffer is too small to receive or write a message";
-            break;
+            return( "SSL - A buffer is too small to receive or write a message" );
         case -(MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE):
-            error_description = "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)";
-            break;
+            return( "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)" );
         case -(MBEDTLS_ERR_SSL_WANT_READ):
-            error_description = "SSL - No data of requested type currently available on underlying transport";
-            break;
+            return( "SSL - No data of requested type currently available on underlying transport" );
         case -(MBEDTLS_ERR_SSL_WANT_WRITE):
-            error_description = "SSL - Connection requires a write call";
-            break;
+            return( "SSL - Connection requires a write call" );
         case -(MBEDTLS_ERR_SSL_TIMEOUT):
-            error_description = "SSL - The operation timed out";
-            break;
+            return( "SSL - The operation timed out" );
         case -(MBEDTLS_ERR_SSL_CLIENT_RECONNECT):
-            error_description = "SSL - The client initiated a reconnect from the same port";
-            break;
+            return( "SSL - The client initiated a reconnect from the same port" );
         case -(MBEDTLS_ERR_SSL_UNEXPECTED_RECORD):
-            error_description = "SSL - Record header looks valid but is not expected";
-            break;
+            return( "SSL - Record header looks valid but is not expected" );
         case -(MBEDTLS_ERR_SSL_NON_FATAL):
-            error_description = "SSL - The alert message received indicates a non-fatal error";
-            break;
+            return( "SSL - The alert message received indicates a non-fatal error" );
         case -(MBEDTLS_ERR_SSL_INVALID_VERIFY_HASH):
-            error_description = "SSL - Couldn't set the hash for verifying CertificateVerify";
-            break;
+            return( "SSL - Couldn't set the hash for verifying CertificateVerify" );
         case -(MBEDTLS_ERR_SSL_CONTINUE_PROCESSING):
-            error_description = "SSL - Internal-only message signaling that further message-processing should be done";
-            break;
+            return( "SSL - Internal-only message signaling that further message-processing should be done" );
         case -(MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS):
-            error_description = "SSL - The asynchronous operation is not completed yet";
-            break;
+            return( "SSL - The asynchronous operation is not completed yet" );
         case -(MBEDTLS_ERR_SSL_EARLY_MESSAGE):
-            error_description = "SSL - Internal-only message signaling that a message arrived early";
-            break;
+            return( "SSL - Internal-only message signaling that a message arrived early" );
         case -(MBEDTLS_ERR_SSL_UNEXPECTED_CID):
-            error_description = "SSL - An encrypted DTLS-frame with an unexpected CID was received";
-            break;
+            return( "SSL - An encrypted DTLS-frame with an unexpected CID was received" );
         case -(MBEDTLS_ERR_SSL_VERSION_MISMATCH):
-            error_description = "SSL - An operation failed due to an unexpected version or configuration";
-            break;
+            return( "SSL - An operation failed due to an unexpected version or configuration" );
         case -(MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS):
-            error_description = "SSL - A cryptographic operation is in progress. Try again later";
-            break;
+            return( "SSL - A cryptographic operation is in progress. Try again later" );
 #endif /* MBEDTLS_SSL_TLS_C */
 
 #if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C)
         case -(MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE):
-            error_description = "X509 - Unavailable feature, e.g. RSA hashing/encryption combination";
-            break;
+            return( "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" );
         case -(MBEDTLS_ERR_X509_UNKNOWN_OID):
-            error_description = "X509 - Requested OID is unknown";
-            break;
+            return( "X509 - Requested OID is unknown" );
         case -(MBEDTLS_ERR_X509_INVALID_FORMAT):
-            error_description = "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected";
-            break;
+            return( "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected" );
         case -(MBEDTLS_ERR_X509_INVALID_VERSION):
-            error_description = "X509 - The CRT/CRL/CSR version element is invalid";
-            break;
+            return( "X509 - The CRT/CRL/CSR version element is invalid" );
         case -(MBEDTLS_ERR_X509_INVALID_SERIAL):
-            error_description = "X509 - The serial tag or value is invalid";
-            break;
+            return( "X509 - The serial tag or value is invalid" );
         case -(MBEDTLS_ERR_X509_INVALID_ALG):
-            error_description = "X509 - The algorithm tag or value is invalid";
-            break;
+            return( "X509 - The algorithm tag or value is invalid" );
         case -(MBEDTLS_ERR_X509_INVALID_NAME):
-            error_description = "X509 - The name tag or value is invalid";
-            break;
+            return( "X509 - The name tag or value is invalid" );
         case -(MBEDTLS_ERR_X509_INVALID_DATE):
-            error_description = "X509 - The date tag or value is invalid";
-            break;
+            return( "X509 - The date tag or value is invalid" );
         case -(MBEDTLS_ERR_X509_INVALID_SIGNATURE):
-            error_description = "X509 - The signature tag or value invalid";
-            break;
+            return( "X509 - The signature tag or value invalid" );
         case -(MBEDTLS_ERR_X509_INVALID_EXTENSIONS):
-            error_description = "X509 - The extension tag or value is invalid";
-            break;
+            return( "X509 - The extension tag or value is invalid" );
         case -(MBEDTLS_ERR_X509_UNKNOWN_VERSION):
-            error_description = "X509 - CRT/CRL/CSR has an unsupported version number";
-            break;
+            return( "X509 - CRT/CRL/CSR has an unsupported version number" );
         case -(MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG):
-            error_description = "X509 - Signature algorithm (oid) is unsupported";
-            break;
+            return( "X509 - Signature algorithm (oid) is unsupported" );
         case -(MBEDTLS_ERR_X509_SIG_MISMATCH):
-            error_description = "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)";
-            break;
+            return( "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)" );
         case -(MBEDTLS_ERR_X509_CERT_VERIFY_FAILED):
-            error_description = "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed";
-            break;
+            return( "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" );
         case -(MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT):
-            error_description = "X509 - Format not recognized as DER or PEM";
-            break;
+            return( "X509 - Format not recognized as DER or PEM" );
         case -(MBEDTLS_ERR_X509_BAD_INPUT_DATA):
-            error_description = "X509 - Input invalid";
-            break;
+            return( "X509 - Input invalid" );
         case -(MBEDTLS_ERR_X509_ALLOC_FAILED):
-            error_description = "X509 - Allocation of memory failed";
-            break;
+            return( "X509 - Allocation of memory failed" );
         case -(MBEDTLS_ERR_X509_FILE_IO_ERROR):
-            error_description = "X509 - Read/write of file failed";
-            break;
+            return( "X509 - Read/write of file failed" );
         case -(MBEDTLS_ERR_X509_BUFFER_TOO_SMALL):
-            error_description = "X509 - Destination buffer is too small";
-            break;
+            return( "X509 - Destination buffer is too small" );
         case -(MBEDTLS_ERR_X509_FATAL_ERROR):
-            error_description = "X509 - A fatal error occurred, eg the chain is too long or the vrfy callback failed";
-            break;
+            return( "X509 - A fatal error occurred, eg the chain is too long or the vrfy callback failed" );
 #endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */
         /* End Auto-Generated Code. */
 
@@ -727,13 +576,12 @@
             break;
     }
 
-    return error_description;
+    return( NULL );
 }
 
 const char * mbedtls_low_level_strerr( int error_code )
 {
     int low_level_error_code;
-    const char *error_description = NULL;
 
     if( error_code < 0 )
         error_code = -error_code;
@@ -746,398 +594,299 @@
         /* Begin Auto-Generated Code. */
 #if defined(MBEDTLS_AES_C)
         case -(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH):
-            error_description = "AES - Invalid key length";
-            break;
+            return( "AES - Invalid key length" );
         case -(MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH):
-            error_description = "AES - Invalid data input length";
-            break;
+            return( "AES - Invalid data input length" );
         case -(MBEDTLS_ERR_AES_BAD_INPUT_DATA):
-            error_description = "AES - Invalid input data";
-            break;
+            return( "AES - Invalid input data" );
         case -(MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE):
-            error_description = "AES - Feature not available. For example, an unsupported AES key size";
-            break;
+            return( "AES - Feature not available. For example, an unsupported AES key size" );
         case -(MBEDTLS_ERR_AES_HW_ACCEL_FAILED):
-            error_description = "AES - AES hardware accelerator failed";
-            break;
+            return( "AES - AES hardware accelerator failed" );
 #endif /* MBEDTLS_AES_C */
 
 #if defined(MBEDTLS_ARC4_C)
         case -(MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED):
-            error_description = "ARC4 - ARC4 hardware accelerator failed";
-            break;
+            return( "ARC4 - ARC4 hardware accelerator failed" );
 #endif /* MBEDTLS_ARC4_C */
 
 #if defined(MBEDTLS_ARIA_C)
         case -(MBEDTLS_ERR_ARIA_BAD_INPUT_DATA):
-            error_description = "ARIA - Bad input data";
-            break;
+            return( "ARIA - Bad input data" );
         case -(MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH):
-            error_description = "ARIA - Invalid data input length";
-            break;
+            return( "ARIA - Invalid data input length" );
         case -(MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE):
-            error_description = "ARIA - Feature not available. For example, an unsupported ARIA key size";
-            break;
+            return( "ARIA - Feature not available. For example, an unsupported ARIA key size" );
         case -(MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED):
-            error_description = "ARIA - ARIA hardware accelerator failed";
-            break;
+            return( "ARIA - ARIA hardware accelerator failed" );
 #endif /* MBEDTLS_ARIA_C */
 
 #if defined(MBEDTLS_ASN1_PARSE_C)
         case -(MBEDTLS_ERR_ASN1_OUT_OF_DATA):
-            error_description = "ASN1 - Out of data when parsing an ASN1 data structure";
-            break;
+            return( "ASN1 - Out of data when parsing an ASN1 data structure" );
         case -(MBEDTLS_ERR_ASN1_UNEXPECTED_TAG):
-            error_description = "ASN1 - ASN1 tag was of an unexpected value";
-            break;
+            return( "ASN1 - ASN1 tag was of an unexpected value" );
         case -(MBEDTLS_ERR_ASN1_INVALID_LENGTH):
-            error_description = "ASN1 - Error when trying to determine the length or invalid length";
-            break;
+            return( "ASN1 - Error when trying to determine the length or invalid length" );
         case -(MBEDTLS_ERR_ASN1_LENGTH_MISMATCH):
-            error_description = "ASN1 - Actual length differs from expected length";
-            break;
+            return( "ASN1 - Actual length differs from expected length" );
         case -(MBEDTLS_ERR_ASN1_INVALID_DATA):
-            error_description = "ASN1 - Data is invalid";
-            break;
+            return( "ASN1 - Data is invalid" );
         case -(MBEDTLS_ERR_ASN1_ALLOC_FAILED):
-            error_description = "ASN1 - Memory allocation failed";
-            break;
+            return( "ASN1 - Memory allocation failed" );
         case -(MBEDTLS_ERR_ASN1_BUF_TOO_SMALL):
-            error_description = "ASN1 - Buffer too small when writing ASN.1 data structure";
-            break;
+            return( "ASN1 - Buffer too small when writing ASN.1 data structure" );
 #endif /* MBEDTLS_ASN1_PARSE_C */
 
 #if defined(MBEDTLS_BASE64_C)
         case -(MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL):
-            error_description = "BASE64 - Output buffer too small";
-            break;
+            return( "BASE64 - Output buffer too small" );
         case -(MBEDTLS_ERR_BASE64_INVALID_CHARACTER):
-            error_description = "BASE64 - Invalid character in input";
-            break;
+            return( "BASE64 - Invalid character in input" );
 #endif /* MBEDTLS_BASE64_C */
 
 #if defined(MBEDTLS_BIGNUM_C)
         case -(MBEDTLS_ERR_MPI_FILE_IO_ERROR):
-            error_description = "BIGNUM - An error occurred while reading from or writing to a file";
-            break;
+            return( "BIGNUM - An error occurred while reading from or writing to a file" );
         case -(MBEDTLS_ERR_MPI_BAD_INPUT_DATA):
-            error_description = "BIGNUM - Bad input parameters to function";
-            break;
+            return( "BIGNUM - Bad input parameters to function" );
         case -(MBEDTLS_ERR_MPI_INVALID_CHARACTER):
-            error_description = "BIGNUM - There is an invalid character in the digit string";
-            break;
+            return( "BIGNUM - There is an invalid character in the digit string" );
         case -(MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL):
-            error_description = "BIGNUM - The buffer is too small to write to";
-            break;
+            return( "BIGNUM - The buffer is too small to write to" );
         case -(MBEDTLS_ERR_MPI_NEGATIVE_VALUE):
-            error_description = "BIGNUM - The input arguments are negative or result in illegal output";
-            break;
+            return( "BIGNUM - The input arguments are negative or result in illegal output" );
         case -(MBEDTLS_ERR_MPI_DIVISION_BY_ZERO):
-            error_description = "BIGNUM - The input argument for division is zero, which is not allowed";
-            break;
+            return( "BIGNUM - The input argument for division is zero, which is not allowed" );
         case -(MBEDTLS_ERR_MPI_NOT_ACCEPTABLE):
-            error_description = "BIGNUM - The input arguments are not acceptable";
-            break;
+            return( "BIGNUM - The input arguments are not acceptable" );
         case -(MBEDTLS_ERR_MPI_ALLOC_FAILED):
-            error_description = "BIGNUM - Memory allocation failed";
-            break;
+            return( "BIGNUM - Memory allocation failed" );
 #endif /* MBEDTLS_BIGNUM_C */
 
 #if defined(MBEDTLS_BLOWFISH_C)
         case -(MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA):
-            error_description = "BLOWFISH - Bad input data";
-            break;
+            return( "BLOWFISH - Bad input data" );
         case -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH):
-            error_description = "BLOWFISH - Invalid data input length";
-            break;
+            return( "BLOWFISH - Invalid data input length" );
         case -(MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED):
-            error_description = "BLOWFISH - Blowfish hardware accelerator failed";
-            break;
+            return( "BLOWFISH - Blowfish hardware accelerator failed" );
 #endif /* MBEDTLS_BLOWFISH_C */
 
 #if defined(MBEDTLS_CAMELLIA_C)
         case -(MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA):
-            error_description = "CAMELLIA - Bad input data";
-            break;
+            return( "CAMELLIA - Bad input data" );
         case -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH):
-            error_description = "CAMELLIA - Invalid data input length";
-            break;
+            return( "CAMELLIA - Invalid data input length" );
         case -(MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED):
-            error_description = "CAMELLIA - Camellia hardware accelerator failed";
-            break;
+            return( "CAMELLIA - Camellia hardware accelerator failed" );
 #endif /* MBEDTLS_CAMELLIA_C */
 
 #if defined(MBEDTLS_CCM_C)
         case -(MBEDTLS_ERR_CCM_BAD_INPUT):
-            error_description = "CCM - Bad input parameters to the function";
-            break;
+            return( "CCM - Bad input parameters to the function" );
         case -(MBEDTLS_ERR_CCM_AUTH_FAILED):
-            error_description = "CCM - Authenticated decryption failed";
-            break;
+            return( "CCM - Authenticated decryption failed" );
         case -(MBEDTLS_ERR_CCM_HW_ACCEL_FAILED):
-            error_description = "CCM - CCM hardware accelerator failed";
-            break;
+            return( "CCM - CCM hardware accelerator failed" );
 #endif /* MBEDTLS_CCM_C */
 
 #if defined(MBEDTLS_CHACHA20_C)
         case -(MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA):
-            error_description = "CHACHA20 - Invalid input parameter(s)";
-            break;
+            return( "CHACHA20 - Invalid input parameter(s)" );
         case -(MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE):
-            error_description = "CHACHA20 - Feature not available. For example, s part of the API is not implemented";
-            break;
+            return( "CHACHA20 - Feature not available. For example, s part of the API is not implemented" );
         case -(MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED):
-            error_description = "CHACHA20 - Chacha20 hardware accelerator failed";
-            break;
+            return( "CHACHA20 - Chacha20 hardware accelerator failed" );
 #endif /* MBEDTLS_CHACHA20_C */
 
 #if defined(MBEDTLS_CHACHAPOLY_C)
         case -(MBEDTLS_ERR_CHACHAPOLY_BAD_STATE):
-            error_description = "CHACHAPOLY - The requested operation is not permitted in the current state";
-            break;
+            return( "CHACHAPOLY - The requested operation is not permitted in the current state" );
         case -(MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED):
-            error_description = "CHACHAPOLY - Authenticated decryption failed: data was not authentic";
-            break;
+            return( "CHACHAPOLY - Authenticated decryption failed: data was not authentic" );
 #endif /* MBEDTLS_CHACHAPOLY_C */
 
 #if defined(MBEDTLS_CMAC_C)
         case -(MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED):
-            error_description = "CMAC - CMAC hardware accelerator failed";
-            break;
+            return( "CMAC - CMAC hardware accelerator failed" );
 #endif /* MBEDTLS_CMAC_C */
 
 #if defined(MBEDTLS_CTR_DRBG_C)
         case -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED):
-            error_description = "CTR_DRBG - The entropy source failed";
-            break;
+            return( "CTR_DRBG - The entropy source failed" );
         case -(MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG):
-            error_description = "CTR_DRBG - The requested random buffer length is too big";
-            break;
+            return( "CTR_DRBG - The requested random buffer length is too big" );
         case -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG):
-            error_description = "CTR_DRBG - The input (entropy + additional data) is too large";
-            break;
+            return( "CTR_DRBG - The input (entropy + additional data) is too large" );
         case -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR):
-            error_description = "CTR_DRBG - Read or write error in file";
-            break;
+            return( "CTR_DRBG - Read or write error in file" );
 #endif /* MBEDTLS_CTR_DRBG_C */
 
 #if defined(MBEDTLS_DES_C)
         case -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH):
-            error_description = "DES - The data input has an invalid length";
-            break;
+            return( "DES - The data input has an invalid length" );
         case -(MBEDTLS_ERR_DES_HW_ACCEL_FAILED):
-            error_description = "DES - DES hardware accelerator failed";
-            break;
+            return( "DES - DES hardware accelerator failed" );
 #endif /* MBEDTLS_DES_C */
 
 #if defined(MBEDTLS_ENTROPY_C)
         case -(MBEDTLS_ERR_ENTROPY_SOURCE_FAILED):
-            error_description = "ENTROPY - Critical entropy source failure";
-            break;
+            return( "ENTROPY - Critical entropy source failure" );
         case -(MBEDTLS_ERR_ENTROPY_MAX_SOURCES):
-            error_description = "ENTROPY - No more sources can be added";
-            break;
+            return( "ENTROPY - No more sources can be added" );
         case -(MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED):
-            error_description = "ENTROPY - No sources have been added to poll";
-            break;
+            return( "ENTROPY - No sources have been added to poll" );
         case -(MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE):
-            error_description = "ENTROPY - No strong sources have been added to poll";
-            break;
+            return( "ENTROPY - No strong sources have been added to poll" );
         case -(MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR):
-            error_description = "ENTROPY - Read/write error in file";
-            break;
+            return( "ENTROPY - Read/write error in file" );
 #endif /* MBEDTLS_ENTROPY_C */
 
 #if defined(MBEDTLS_ERROR_C)
         case -(MBEDTLS_ERR_ERROR_GENERIC_ERROR):
-            error_description = "ERROR - Generic error";
-            break;
+            return( "ERROR - Generic error" );
         case -(MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED):
-            error_description = "ERROR - This is a bug in the library";
-            break;
+            return( "ERROR - This is a bug in the library" );
 #endif /* MBEDTLS_ERROR_C */
 
 #if defined(MBEDTLS_GCM_C)
         case -(MBEDTLS_ERR_GCM_AUTH_FAILED):
-            error_description = "GCM - Authenticated decryption failed";
-            break;
+            return( "GCM - Authenticated decryption failed" );
         case -(MBEDTLS_ERR_GCM_HW_ACCEL_FAILED):
-            error_description = "GCM - GCM hardware accelerator failed";
-            break;
+            return( "GCM - GCM hardware accelerator failed" );
         case -(MBEDTLS_ERR_GCM_BAD_INPUT):
-            error_description = "GCM - Bad input parameters to function";
-            break;
+            return( "GCM - Bad input parameters to function" );
 #endif /* MBEDTLS_GCM_C */
 
 #if defined(MBEDTLS_HKDF_C)
         case -(MBEDTLS_ERR_HKDF_BAD_INPUT_DATA):
-            error_description = "HKDF - Bad input parameters to function";
-            break;
+            return( "HKDF - Bad input parameters to function" );
 #endif /* MBEDTLS_HKDF_C */
 
 #if defined(MBEDTLS_HMAC_DRBG_C)
         case -(MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG):
-            error_description = "HMAC_DRBG - Too many random requested in single call";
-            break;
+            return( "HMAC_DRBG - Too many random requested in single call" );
         case -(MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG):
-            error_description = "HMAC_DRBG - Input too large (Entropy + additional)";
-            break;
+            return( "HMAC_DRBG - Input too large (Entropy + additional)" );
         case -(MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR):
-            error_description = "HMAC_DRBG - Read/write error in file";
-            break;
+            return( "HMAC_DRBG - Read/write error in file" );
         case -(MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED):
-            error_description = "HMAC_DRBG - The entropy source failed";
-            break;
+            return( "HMAC_DRBG - The entropy source failed" );
 #endif /* MBEDTLS_HMAC_DRBG_C */
 
 #if defined(MBEDTLS_MD2_C)
         case -(MBEDTLS_ERR_MD2_HW_ACCEL_FAILED):
-            error_description = "MD2 - MD2 hardware accelerator failed";
-            break;
+            return( "MD2 - MD2 hardware accelerator failed" );
 #endif /* MBEDTLS_MD2_C */
 
 #if defined(MBEDTLS_MD4_C)
         case -(MBEDTLS_ERR_MD4_HW_ACCEL_FAILED):
-            error_description = "MD4 - MD4 hardware accelerator failed";
-            break;
+            return( "MD4 - MD4 hardware accelerator failed" );
 #endif /* MBEDTLS_MD4_C */
 
 #if defined(MBEDTLS_MD5_C)
         case -(MBEDTLS_ERR_MD5_HW_ACCEL_FAILED):
-            error_description = "MD5 - MD5 hardware accelerator failed";
-            break;
+            return( "MD5 - MD5 hardware accelerator failed" );
 #endif /* MBEDTLS_MD5_C */
 
 #if defined(MBEDTLS_NET_C)
         case -(MBEDTLS_ERR_NET_SOCKET_FAILED):
-            error_description = "NET - Failed to open a socket";
-            break;
+            return( "NET - Failed to open a socket" );
         case -(MBEDTLS_ERR_NET_CONNECT_FAILED):
-            error_description = "NET - The connection to the given server / port failed";
-            break;
+            return( "NET - The connection to the given server / port failed" );
         case -(MBEDTLS_ERR_NET_BIND_FAILED):
-            error_description = "NET - Binding of the socket failed";
-            break;
+            return( "NET - Binding of the socket failed" );
         case -(MBEDTLS_ERR_NET_LISTEN_FAILED):
-            error_description = "NET - Could not listen on the socket";
-            break;
+            return( "NET - Could not listen on the socket" );
         case -(MBEDTLS_ERR_NET_ACCEPT_FAILED):
-            error_description = "NET - Could not accept the incoming connection";
-            break;
+            return( "NET - Could not accept the incoming connection" );
         case -(MBEDTLS_ERR_NET_RECV_FAILED):
-            error_description = "NET - Reading information from the socket failed";
-            break;
+            return( "NET - Reading information from the socket failed" );
         case -(MBEDTLS_ERR_NET_SEND_FAILED):
-            error_description = "NET - Sending information through the socket failed";
-            break;
+            return( "NET - Sending information through the socket failed" );
         case -(MBEDTLS_ERR_NET_CONN_RESET):
-            error_description = "NET - Connection was reset by peer";
-            break;
+            return( "NET - Connection was reset by peer" );
         case -(MBEDTLS_ERR_NET_UNKNOWN_HOST):
-            error_description = "NET - Failed to get an IP address for the given hostname";
-            break;
+            return( "NET - Failed to get an IP address for the given hostname" );
         case -(MBEDTLS_ERR_NET_BUFFER_TOO_SMALL):
-            error_description = "NET - Buffer is too small to hold the data";
-            break;
+            return( "NET - Buffer is too small to hold the data" );
         case -(MBEDTLS_ERR_NET_INVALID_CONTEXT):
-            error_description = "NET - The context is invalid, eg because it was free()ed";
-            break;
+            return( "NET - The context is invalid, eg because it was free()ed" );
         case -(MBEDTLS_ERR_NET_POLL_FAILED):
-            error_description = "NET - Polling the net context failed";
-            break;
+            return( "NET - Polling the net context failed" );
         case -(MBEDTLS_ERR_NET_BAD_INPUT_DATA):
-            error_description = "NET - Input invalid";
-            break;
+            return( "NET - Input invalid" );
 #endif /* MBEDTLS_NET_C */
 
 #if defined(MBEDTLS_OID_C)
         case -(MBEDTLS_ERR_OID_NOT_FOUND):
-            error_description = "OID - OID is not found";
-            break;
+            return( "OID - OID is not found" );
         case -(MBEDTLS_ERR_OID_BUF_TOO_SMALL):
-            error_description = "OID - output buffer is too small";
-            break;
+            return( "OID - output buffer is too small" );
 #endif /* MBEDTLS_OID_C */
 
 #if defined(MBEDTLS_PADLOCK_C)
         case -(MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED):
-            error_description = "PADLOCK - Input data should be aligned";
-            break;
+            return( "PADLOCK - Input data should be aligned" );
 #endif /* MBEDTLS_PADLOCK_C */
 
 #if defined(MBEDTLS_PLATFORM_C)
         case -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED):
-            error_description = "PLATFORM - Hardware accelerator failed";
-            break;
+            return( "PLATFORM - Hardware accelerator failed" );
         case -(MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED):
-            error_description = "PLATFORM - The requested feature is not supported by the platform";
-            break;
+            return( "PLATFORM - The requested feature is not supported by the platform" );
 #endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_POLY1305_C)
         case -(MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA):
-            error_description = "POLY1305 - Invalid input parameter(s)";
-            break;
+            return( "POLY1305 - Invalid input parameter(s)" );
         case -(MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE):
-            error_description = "POLY1305 - Feature not available. For example, s part of the API is not implemented";
-            break;
+            return( "POLY1305 - Feature not available. For example, s part of the API is not implemented" );
         case -(MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED):
-            error_description = "POLY1305 - Poly1305 hardware accelerator failed";
-            break;
+            return( "POLY1305 - Poly1305 hardware accelerator failed" );
 #endif /* MBEDTLS_POLY1305_C */
 
 #if defined(MBEDTLS_RIPEMD160_C)
         case -(MBEDTLS_ERR_RIPEMD160_HW_ACCEL_FAILED):
-            error_description = "RIPEMD160 - RIPEMD160 hardware accelerator failed";
-            break;
+            return( "RIPEMD160 - RIPEMD160 hardware accelerator failed" );
 #endif /* MBEDTLS_RIPEMD160_C */
 
 #if defined(MBEDTLS_SHA1_C)
         case -(MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED):
-            error_description = "SHA1 - SHA-1 hardware accelerator failed";
-            break;
+            return( "SHA1 - SHA-1 hardware accelerator failed" );
         case -(MBEDTLS_ERR_SHA1_BAD_INPUT_DATA):
-            error_description = "SHA1 - SHA-1 input data was malformed";
-            break;
+            return( "SHA1 - SHA-1 input data was malformed" );
 #endif /* MBEDTLS_SHA1_C */
 
 #if defined(MBEDTLS_SHA256_C)
         case -(MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED):
-            error_description = "SHA256 - SHA-256 hardware accelerator failed";
-            break;
+            return( "SHA256 - SHA-256 hardware accelerator failed" );
         case -(MBEDTLS_ERR_SHA256_BAD_INPUT_DATA):
-            error_description = "SHA256 - SHA-256 input data was malformed";
-            break;
+            return( "SHA256 - SHA-256 input data was malformed" );
 #endif /* MBEDTLS_SHA256_C */
 
 #if defined(MBEDTLS_SHA512_C)
         case -(MBEDTLS_ERR_SHA512_HW_ACCEL_FAILED):
-            error_description = "SHA512 - SHA-512 hardware accelerator failed";
-            break;
+            return( "SHA512 - SHA-512 hardware accelerator failed" );
         case -(MBEDTLS_ERR_SHA512_BAD_INPUT_DATA):
-            error_description = "SHA512 - SHA-512 input data was malformed";
-            break;
+            return( "SHA512 - SHA-512 input data was malformed" );
 #endif /* MBEDTLS_SHA512_C */
 
 #if defined(MBEDTLS_THREADING_C)
         case -(MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE):
-            error_description = "THREADING - The selected feature is not available";
-            break;
+            return( "THREADING - The selected feature is not available" );
         case -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA):
-            error_description = "THREADING - Bad input parameters to function";
-            break;
+            return( "THREADING - Bad input parameters to function" );
         case -(MBEDTLS_ERR_THREADING_MUTEX_ERROR):
-            error_description = "THREADING - Locking / unlocking / free failed with error code";
-            break;
+            return( "THREADING - Locking / unlocking / free failed with error code" );
 #endif /* MBEDTLS_THREADING_C */
 
 #if defined(MBEDTLS_XTEA_C)
         case -(MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH):
-            error_description = "XTEA - The data input has an invalid length";
-            break;
+            return( "XTEA - The data input has an invalid length" );
         case -(MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED):
-            error_description = "XTEA - XTEA hardware accelerator failed";
-            break;
+            return( "XTEA - XTEA hardware accelerator failed" );
 #endif /* MBEDTLS_XTEA_C */
         /* End Auto-Generated Code. */
 
@@ -1145,7 +894,7 @@
             break;
     }
 
-    return error_description;
+    return( NULL );
 }
 
 void mbedtls_strerror( int ret, char *buf, size_t buflen )
diff --git a/library/net_sockets.c b/library/net_sockets.c
index dbde510..8258aea 100644
--- a/library/net_sockets.c
+++ b/library/net_sockets.c
@@ -34,7 +34,7 @@
 
 #if !defined(unix) && !defined(__unix__) && !defined(__unix) && \
     !defined(__APPLE__) && !defined(_WIN32) && !defined(__QNXNTO__) && \
-    !defined(__HAIKU__)
+    !defined(__HAIKU__) && !defined(__midipix__)
 #error "This module only works on Unix and Windows, see MBEDTLS_NET_C in config.h"
 #endif
 
@@ -54,8 +54,7 @@
 
 #define IS_EINTR( ret ) ( ( ret ) == WSAEINTR )
 
-#if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0501)
-#undef _WIN32_WINNT
+#if !defined(_WIN32_WINNT)
 /* Enables getaddrinfo() & Co */
 #define _WIN32_WINNT 0x0501
 #endif
@@ -64,6 +63,9 @@
 
 #include <winsock2.h>
 #include <windows.h>
+#if (_WIN32_WINNT < 0x0501)
+#include <wspiapi.h>
+#endif
 
 #if defined(_MSC_VER)
 #if defined(_WIN32_WCE)
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 733a2e4..6932318 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -375,55 +375,6 @@
 #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
 
 #if defined(MBEDTLS_ECP_C)
-psa_ecc_curve_t mbedtls_ecc_group_to_psa( mbedtls_ecp_group_id grpid,
-                                          size_t *bits )
-{
-    switch( grpid )
-    {
-        case MBEDTLS_ECP_DP_SECP192R1:
-            *bits = 192;
-            return( PSA_ECC_CURVE_SECP_R1 );
-        case MBEDTLS_ECP_DP_SECP224R1:
-            *bits = 224;
-            return( PSA_ECC_CURVE_SECP_R1 );
-        case MBEDTLS_ECP_DP_SECP256R1:
-            *bits = 256;
-            return( PSA_ECC_CURVE_SECP_R1 );
-        case MBEDTLS_ECP_DP_SECP384R1:
-            *bits = 384;
-            return( PSA_ECC_CURVE_SECP_R1 );
-        case MBEDTLS_ECP_DP_SECP521R1:
-            *bits = 521;
-            return( PSA_ECC_CURVE_SECP_R1 );
-        case MBEDTLS_ECP_DP_BP256R1:
-            *bits = 256;
-            return( PSA_ECC_CURVE_BRAINPOOL_P_R1 );
-        case MBEDTLS_ECP_DP_BP384R1:
-            *bits = 384;
-            return( PSA_ECC_CURVE_BRAINPOOL_P_R1 );
-        case MBEDTLS_ECP_DP_BP512R1:
-            *bits = 512;
-            return( PSA_ECC_CURVE_BRAINPOOL_P_R1 );
-        case MBEDTLS_ECP_DP_CURVE25519:
-            *bits = 255;
-            return( PSA_ECC_CURVE_MONTGOMERY );
-        case MBEDTLS_ECP_DP_SECP192K1:
-            *bits = 192;
-            return( PSA_ECC_CURVE_SECP_K1 );
-        case MBEDTLS_ECP_DP_SECP224K1:
-            *bits = 224;
-            return( PSA_ECC_CURVE_SECP_K1 );
-        case MBEDTLS_ECP_DP_SECP256K1:
-            *bits = 256;
-            return( PSA_ECC_CURVE_SECP_K1 );
-        case MBEDTLS_ECP_DP_CURVE448:
-            *bits = 448;
-            return( PSA_ECC_CURVE_MONTGOMERY );
-        default:
-            return( 0 );
-    }
-}
-
 mbedtls_ecp_group_id mbedtls_ecc_group_of_psa( psa_ecc_curve_t curve,
                                                size_t byte_length )
 {
diff --git a/library/psa_crypto_se.c b/library/psa_crypto_se.c
index b7fa0c5..087c768 100644
--- a/library/psa_crypto_se.c
+++ b/library/psa_crypto_se.c
@@ -64,16 +64,16 @@
     uintptr_t transient_data;
 } psa_drv_se_internal_context_t;
 
-typedef struct psa_se_drv_table_entry_s
+struct psa_se_drv_table_entry_s
 {
-    psa_key_lifetime_t lifetime;
+    psa_key_location_t location;
     const psa_drv_se_t *methods;
     union
     {
         psa_drv_se_internal_context_t internal;
         psa_drv_se_context_t context;
-    };
-} psa_se_drv_table_entry_t;
+    } u;
+};
 
 static psa_se_drv_table_entry_t driver_table[PSA_MAX_SE_DRIVERS];
 
@@ -81,15 +81,16 @@
     psa_key_lifetime_t lifetime )
 {
     size_t i;
-    /* In the driver table, lifetime=0 means an entry that isn't used.
-     * No driver has a lifetime of 0 because it's a reserved value
-     * (which designates volatile keys). Make sure we never return
-     * a driver entry for lifetime 0. */
-    if( lifetime == 0 )
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
+    /* In the driver table, location=0 means an entry that isn't used.
+     * No driver has a location of 0 because it's a reserved value
+     * (which designates transparent keys). Make sure we never return
+     * a driver entry for location 0. */
+    if( location == 0 )
         return( NULL );
     for( i = 0; i < PSA_MAX_SE_DRIVERS; i++ )
     {
-        if( driver_table[i].lifetime == lifetime )
+        if( driver_table[i].location == location )
             return( &driver_table[i] );
     }
     return( NULL );
@@ -104,7 +105,7 @@
 psa_drv_se_context_t *psa_get_se_driver_context(
     psa_se_drv_table_entry_t *driver )
 {
-    return( &driver->context );
+    return( &driver->u.context );
 }
 
 int psa_get_se_driver( psa_key_lifetime_t lifetime,
@@ -115,7 +116,7 @@
     if( p_methods != NULL )
         *p_methods = ( driver ? driver->methods : NULL );
     if( p_drv_context != NULL )
-        *p_drv_context = ( driver ? &driver->context : NULL );
+        *p_drv_context = ( driver ? &driver->u.context : NULL );
     return( driver != NULL );
 }
 
@@ -129,17 +130,17 @@
     const psa_se_drv_table_entry_t *driver,
     psa_storage_uid_t *uid )
 {
-    if( driver->lifetime > PSA_MAX_SE_LIFETIME )
+    if( driver->location > PSA_MAX_SE_LOCATION )
         return( PSA_ERROR_NOT_SUPPORTED );
 
 #if SIZE_MAX > UINT32_MAX
     /* ITS file sizes are limited to 32 bits. */
-    if( driver->internal.persistent_data_size > UINT32_MAX )
+    if( driver->u.internal.persistent_data_size > UINT32_MAX )
         return( PSA_ERROR_NOT_SUPPORTED );
 #endif
 
     /* See the documentation of PSA_CRYPTO_SE_DRIVER_ITS_UID_BASE. */
-    *uid = PSA_CRYPTO_SE_DRIVER_ITS_UID_BASE + driver->lifetime;
+    *uid = PSA_CRYPTO_SE_DRIVER_ITS_UID_BASE + driver->location;
     return( PSA_SUCCESS );
 }
 
@@ -162,8 +163,8 @@
      * persistent_data_size is in range, but compilers don't know that,
      * so cast to reassure them. */
     return( psa_its_get( uid, 0,
-                         (uint32_t) driver->internal.persistent_data_size,
-                         driver->internal.persistent_data,
+                         (uint32_t) driver->u.internal.persistent_data_size,
+                         driver->u.internal.persistent_data,
                          &length ) );
 }
 
@@ -181,17 +182,17 @@
      * persistent_data_size is in range, but compilers don't know that,
      * so cast to reassure them. */
     return( psa_its_set( uid,
-                         (uint32_t) driver->internal.persistent_data_size,
-                         driver->internal.persistent_data,
+                         (uint32_t) driver->u.internal.persistent_data_size,
+                         driver->u.internal.persistent_data,
                          0 ) );
 }
 
-psa_status_t psa_destroy_se_persistent_data( psa_key_lifetime_t lifetime )
+psa_status_t psa_destroy_se_persistent_data( psa_key_location_t location )
 {
     psa_storage_uid_t uid;
-    if( lifetime > PSA_MAX_SE_LIFETIME )
+    if( location > PSA_MAX_SE_LOCATION )
         return( PSA_ERROR_NOT_SUPPORTED );
-    uid = PSA_CRYPTO_SE_DRIVER_ITS_UID_BASE + lifetime;
+    uid = PSA_CRYPTO_SE_DRIVER_ITS_UID_BASE + location;
     return( psa_its_remove( uid ) );
 }
 
@@ -202,9 +203,11 @@
     psa_key_slot_number_t *slot_number )
 {
     psa_status_t status;
+    psa_key_location_t key_location =
+        PSA_KEY_LIFETIME_GET_LOCATION( psa_get_key_lifetime( attributes ) );
 
-    /* If the lifetime is wrong, it's a bug in the library. */
-    if( driver->lifetime != psa_get_key_lifetime( attributes ) )
+    /* If the location is wrong, it's a bug in the library. */
+    if( driver->location != key_location )
         return( PSA_ERROR_CORRUPTION_DETECTED );
 
     /* If the driver doesn't support key creation in any way, give up now. */
@@ -221,8 +224,8 @@
             driver->methods->key_management->p_validate_slot_number;
         if( p_validate_slot_number == NULL )
             return( PSA_ERROR_NOT_SUPPORTED );
-        status = p_validate_slot_number( &driver->context,
-                                         driver->internal.persistent_data,
+        status = p_validate_slot_number( &driver->u.context,
+                                         driver->u.internal.persistent_data,
                                          attributes, method,
                                          *slot_number );
     }
@@ -240,8 +243,8 @@
             driver->methods->key_management->p_allocate;
         if( p_allocate == NULL )
             return( PSA_ERROR_NOT_SUPPORTED );
-        status = p_allocate( &driver->context,
-                             driver->internal.persistent_data,
+        status = p_allocate( &driver->u.context,
+                             driver->u.internal.persistent_data,
                              attributes, method,
                              slot_number );
     }
@@ -265,8 +268,8 @@
         driver->methods->key_management->p_destroy == NULL )
         return( PSA_ERROR_NOT_PERMITTED );
     status = driver->methods->key_management->p_destroy(
-        &driver->context,
-        driver->internal.persistent_data,
+        &driver->u.context,
+        driver->u.internal.persistent_data,
         slot_number );
     storage_status = psa_save_se_persistent_data( driver );
     return( status == PSA_SUCCESS ? storage_status : status );
@@ -278,15 +281,15 @@
     for( i = 0; i < PSA_MAX_SE_DRIVERS; i++ )
     {
         psa_se_drv_table_entry_t *driver = &driver_table[i];
-        if( driver->lifetime == 0 )
+        if( driver->location == 0 )
             continue; /* skipping unused entry */
         const psa_drv_se_t *methods = psa_get_se_driver_methods( driver );
         if( methods->p_init != NULL )
         {
             psa_status_t status = methods->p_init(
-                &driver->context,
-                driver->internal.persistent_data,
-                driver->lifetime );
+                &driver->u.context,
+                driver->u.internal.persistent_data,
+                driver->location );
             if( status != PSA_SUCCESS )
                 return( status );
             status = psa_save_se_persistent_data( driver );
@@ -304,7 +307,7 @@
 /****************************************************************/
 
 psa_status_t psa_register_se_driver(
-    psa_key_lifetime_t lifetime,
+    psa_key_location_t location,
     const psa_drv_se_t *methods)
 {
     size_t i;
@@ -313,42 +316,39 @@
     if( methods->hal_version != PSA_DRV_SE_HAL_VERSION )
         return( PSA_ERROR_NOT_SUPPORTED );
     /* Driver table entries are 0-initialized. 0 is not a valid driver
-     * lifetime because it means a volatile key. */
+     * location because it means a transparent key. */
 #if defined(static_assert)
-    static_assert( PSA_KEY_LIFETIME_VOLATILE == 0,
-                   "Secure element support requires 0 to mean a volatile key" );
+    static_assert( PSA_KEY_LOCATION_LOCAL_STORAGE == 0,
+                   "Secure element support requires 0 to mean a local key" );
 #endif
-    if( lifetime == PSA_KEY_LIFETIME_VOLATILE ||
-        lifetime == PSA_KEY_LIFETIME_PERSISTENT )
-    {
+    if( location == PSA_KEY_LOCATION_LOCAL_STORAGE )
         return( PSA_ERROR_INVALID_ARGUMENT );
-    }
-    if( lifetime > PSA_MAX_SE_LIFETIME )
+    if( location > PSA_MAX_SE_LOCATION )
         return( PSA_ERROR_NOT_SUPPORTED );
 
     for( i = 0; i < PSA_MAX_SE_DRIVERS; i++ )
     {
-        if( driver_table[i].lifetime == 0 )
+        if( driver_table[i].location == 0 )
             break;
-        /* Check that lifetime isn't already in use up to the first free
+        /* Check that location isn't already in use up to the first free
          * entry. Since entries are created in order and never deleted,
          * there can't be a used entry after the first free entry. */
-        if( driver_table[i].lifetime == lifetime )
+        if( driver_table[i].location == location )
             return( PSA_ERROR_ALREADY_EXISTS );
     }
     if( i == PSA_MAX_SE_DRIVERS )
         return( PSA_ERROR_INSUFFICIENT_MEMORY );
 
-    driver_table[i].lifetime = lifetime;
+    driver_table[i].location = location;
     driver_table[i].methods = methods;
-    driver_table[i].internal.persistent_data_size =
+    driver_table[i].u.internal.persistent_data_size =
         methods->persistent_data_size;
 
     if( methods->persistent_data_size != 0 )
     {
-        driver_table[i].internal.persistent_data =
+        driver_table[i].u.internal.persistent_data =
             mbedtls_calloc( 1, methods->persistent_data_size );
-        if( driver_table[i].internal.persistent_data == NULL )
+        if( driver_table[i].u.internal.persistent_data == NULL )
         {
             status = PSA_ERROR_INSUFFICIENT_MEMORY;
             goto error;
@@ -373,8 +373,8 @@
     size_t i;
     for( i = 0; i < PSA_MAX_SE_DRIVERS; i++ )
     {
-        if( driver_table[i].internal.persistent_data != NULL )
-            mbedtls_free( driver_table[i].internal.persistent_data );
+        if( driver_table[i].u.internal.persistent_data != NULL )
+            mbedtls_free( driver_table[i].u.internal.persistent_data );
     }
     memset( driver_table, 0, sizeof( driver_table ) );
 }
diff --git a/library/psa_crypto_se.h b/library/psa_crypto_se.h
index 86bf7a7..c145065 100644
--- a/library/psa_crypto_se.h
+++ b/library/psa_crypto_se.h
@@ -31,31 +31,30 @@
 #include "psa/crypto.h"
 #include "psa/crypto_se_driver.h"
 
-/** The maximum lifetime value that this implementation supports
+/** The maximum location value that this implementation supports
  * for a secure element.
  *
  * This is not a characteristic that each PSA implementation has, but a
  * limitation of the current implementation due to the constraints imposed
  * by storage. See #PSA_CRYPTO_SE_DRIVER_ITS_UID_BASE.
  *
- * The minimum lifetime value for a secure element is 2, like on any
- * PSA implementation (0=volatile and 1=internal-storage are taken).
+ * The minimum location value for a secure element is 1, like on any
+ * PSA implementation (0 means a transparent key).
  */
-#define PSA_MAX_SE_LIFETIME 255
+#define PSA_MAX_SE_LOCATION 255
 
 /** The base of the range of ITS file identifiers for secure element
  * driver persistent data.
  *
  * We use a slice of the implemenation reserved range 0xffff0000..0xffffffff,
  * specifically the range 0xfffffe00..0xfffffeff. The length of this range
- * drives the value of #PSA_MAX_SE_LIFETIME.
- * The identifiers 0xfffffe00 and 0xfffffe01 are actually not used since
- * they correspond to #PSA_KEY_LIFETIME_VOLATILE and
- * #PSA_KEY_LIFETIME_PERSISTENT which don't have a driver.
+ * drives the value of #PSA_MAX_SE_LOCATION. The identifier 0xfffffe00 is
+ * actually not used since it corresponds to #PSA_KEY_LOCATION_LOCAL_STORAGE
+ * which doesn't have a driver.
  */
 #define PSA_CRYPTO_SE_DRIVER_ITS_UID_BASE ( (psa_key_id_t) 0xfffffe00 )
 
-/** The maximum number of registered secure element driver lifetimes. */
+/** The maximum number of registered secure element driver locations. */
 #define PSA_MAX_SE_DRIVERS 4
 
 /** Unregister all secure element drivers.
@@ -173,10 +172,10 @@
  *
  * This is currently only used for testing.
  *
- * \param[in] lifetime  The driver lifetime whose persistent data should
- *                      be erased.
+ * \param[in] location  The location identifier for the driver whose
+ *                      persistent data is to be erased.
  */
-psa_status_t psa_destroy_se_persistent_data( psa_key_lifetime_t lifetime );
+psa_status_t psa_destroy_se_persistent_data( psa_key_location_t location );
 
 
 /** The storage representation of a key whose data is in a secure element.
diff --git a/library/ssl_msg.c b/library/ssl_msg.c
index 976fc7b..ae8d076 100644
--- a/library/ssl_msg.c
+++ b/library/ssl_msg.c
@@ -341,15 +341,25 @@
  * Encryption/decryption functions
  */
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-/* This functions transforms a DTLS plaintext fragment and a record content
- * type into an instance of the DTLSInnerPlaintext structure:
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) ||  \
+    defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+
+static size_t ssl_compute_padding_length( size_t len,
+                                          size_t granularity )
+{
+    return( ( granularity - ( len + 1 ) % granularity ) % granularity );
+}
+
+/* This functions transforms a (D)TLS plaintext fragment and a record content
+ * type into an instance of the (D)TLSInnerPlaintext structure. This is used
+ * in DTLS 1.2 + CID and within TLS 1.3 to allow flexible padding and to protect
+ * a record's content type.
  *
  *        struct {
  *            opaque content[DTLSPlaintext.length];
  *            ContentType real_type;
  *            uint8 zeros[length_of_padding];
- *        } DTLSInnerPlaintext;
+ *        } (D)TLSInnerPlaintext;
  *
  *  Input:
  *  - `content`: The beginning of the buffer holding the
@@ -360,23 +370,21 @@
  *  - `rec_type`: The desired record content type.
  *
  *  Output:
- *  - `content`: The beginning of the resulting DTLSInnerPlaintext structure.
- *  - `*content_size`: The length of the resulting DTLSInnerPlaintext structure.
+ *  - `content`: The beginning of the resulting (D)TLSInnerPlaintext structure.
+ *  - `*content_size`: The length of the resulting (D)TLSInnerPlaintext structure.
  *
  *  Returns:
  *  - `0` on success.
  *  - A negative error code if `max_len` didn't offer enough space
  *    for the expansion.
  */
-static int ssl_cid_build_inner_plaintext( unsigned char *content,
-                                          size_t *content_size,
-                                          size_t remaining,
-                                          uint8_t rec_type )
+static int ssl_build_inner_plaintext( unsigned char *content,
+                                      size_t *content_size,
+                                      size_t remaining,
+                                      uint8_t rec_type,
+                                      size_t pad )
 {
     size_t len = *content_size;
-    size_t pad = ( MBEDTLS_SSL_CID_PADDING_GRANULARITY -
-                   ( len + 1 ) % MBEDTLS_SSL_CID_PADDING_GRANULARITY ) %
-        MBEDTLS_SSL_CID_PADDING_GRANULARITY;
 
     /* Write real content type */
     if( remaining == 0 )
@@ -395,9 +403,9 @@
     return( 0 );
 }
 
-/* This function parses a DTLSInnerPlaintext structure.
- * See ssl_cid_build_inner_plaintext() for details. */
-static int ssl_cid_parse_inner_plaintext( unsigned char const *content,
+/* This function parses a (D)TLSInnerPlaintext structure.
+ * See ssl_build_inner_plaintext() for details. */
+static int ssl_parse_inner_plaintext( unsigned char const *content,
                                           size_t *content_size,
                                           uint8_t *rec_type )
 {
@@ -416,13 +424,15 @@
 
     return( 0 );
 }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID ||
+          MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
 
 /* `add_data` must have size 13 Bytes if the CID extension is disabled,
  * and 13 + 1 + CID-length Bytes if the CID extension is enabled. */
 static void ssl_extract_add_data_from_record( unsigned char* add_data,
                                               size_t *add_data_len,
-                                              mbedtls_record *rec )
+                                              mbedtls_record *rec,
+                                              unsigned minor_ver )
 {
     /* Quoting RFC 5246 (TLS 1.2):
      *
@@ -438,28 +448,50 @@
      *                         cid +
      *                         cid_length +
      *                         length_of_DTLSInnerPlaintext;
+     *
+     * For TLS 1.3, the record sequence number is dropped from the AAD
+     * and encoded within the nonce of the AEAD operation instead.
      */
 
-    memcpy( add_data, rec->ctr, sizeof( rec->ctr ) );
-    add_data[8] = rec->type;
-    memcpy( add_data + 9, rec->ver, sizeof( rec->ver ) );
+    unsigned char *cur = add_data;
+
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+    if( minor_ver != MBEDTLS_SSL_MINOR_VERSION_4 )
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+    {
+        ((void) minor_ver);
+        memcpy( cur, rec->ctr, sizeof( rec->ctr ) );
+        cur += sizeof( rec->ctr );
+    }
+
+    *cur = rec->type;
+    cur++;
+
+    memcpy( cur, rec->ver, sizeof( rec->ver ) );
+    cur += sizeof( rec->ver );
 
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
     if( rec->cid_len != 0 )
     {
-        memcpy( add_data + 11, rec->cid, rec->cid_len );
-        add_data[11 + rec->cid_len + 0] = rec->cid_len;
-        add_data[11 + rec->cid_len + 1] = ( rec->data_len >> 8 ) & 0xFF;
-        add_data[11 + rec->cid_len + 2] = ( rec->data_len >> 0 ) & 0xFF;
-        *add_data_len = 13 + 1 + rec->cid_len;
+        memcpy( cur, rec->cid, rec->cid_len );
+        cur += rec->cid_len;
+
+        *cur = rec->cid_len;
+        cur++;
+
+        cur[0] = ( rec->data_len >> 8 ) & 0xFF;
+        cur[1] = ( rec->data_len >> 0 ) & 0xFF;
+        cur += 2;
     }
     else
 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
     {
-        add_data[11 + 0] = ( rec->data_len >> 8 ) & 0xFF;
-        add_data[11 + 1] = ( rec->data_len >> 0 ) & 0xFF;
-        *add_data_len = 13;
+        cur[0] = ( rec->data_len >> 8 ) & 0xFF;
+        cur[1] = ( rec->data_len >> 0 ) & 0xFF;
+        cur += 2;
     }
+
+    *add_data_len = cur - add_data;
 }
 
 #if defined(MBEDTLS_SSL_PROTO_SSL3)
@@ -509,6 +541,57 @@
 }
 #endif /* MBEDTLS_SSL_PROTO_SSL3 */
 
+#if defined(MBEDTLS_GCM_C) || \
+    defined(MBEDTLS_CCM_C) || \
+    defined(MBEDTLS_CHACHAPOLY_C)
+static int ssl_transform_aead_dynamic_iv_is_explicit(
+                                mbedtls_ssl_transform const *transform )
+{
+    return( transform->ivlen != transform->fixed_ivlen );
+}
+
+/* Compute IV := ( fixed_iv || 0 ) XOR ( 0 || dynamic_IV )
+ *
+ * Concretely, this occurs in two variants:
+ *
+ * a) Fixed and dynamic IV lengths add up to total IV length, giving
+ *       IV = fixed_iv || dynamic_iv
+ *
+ *    This variant is used in TLS 1.2 when used with GCM or CCM.
+ *
+ * b) Fixed IV lengths matches total IV length, giving
+ *       IV = fixed_iv XOR ( 0 || dynamic_iv )
+ *
+ *    This variant occurs in TLS 1.3 and for TLS 1.2 when using ChaChaPoly.
+ *
+ * See also the documentation of mbedtls_ssl_transform.
+ *
+ * This function has the precondition that
+ *
+ *     dst_iv_len >= max( fixed_iv_len, dynamic_iv_len )
+ *
+ * which has to be ensured by the caller. If this precondition
+ * violated, the behavior of this function is undefined.
+ */
+static void ssl_build_record_nonce( unsigned char *dst_iv,
+                                    size_t dst_iv_len,
+                                    unsigned char const *fixed_iv,
+                                    size_t fixed_iv_len,
+                                    unsigned char const *dynamic_iv,
+                                    size_t dynamic_iv_len )
+{
+    size_t i;
+
+    /* Start with Fixed IV || 0 */
+    memset( dst_iv, 0, dst_iv_len );
+    memcpy( dst_iv, fixed_iv, fixed_iv_len );
+
+    dst_iv += dst_iv_len - dynamic_iv_len;
+    for( i = 0; i < dynamic_iv_len; i++ )
+        dst_iv[i] ^= dynamic_iv[i];
+}
+#endif /* MBEDTLS_GCM_C || MBEDTLS_CCM_C || MBEDTLS_CHACHAPOLY_C */
+
 int mbedtls_ssl_encrypt_buf( mbedtls_ssl_context *ssl,
                              mbedtls_ssl_transform *transform,
                              mbedtls_record *rec,
@@ -574,6 +657,37 @@
         return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
     }
 
+    /* The following two code paths implement the (D)TLSInnerPlaintext
+     * structure present in TLS 1.3 and DTLS 1.2 + CID.
+     *
+     * See ssl_build_inner_plaintext() for more information.
+     *
+     * Note that this changes `rec->data_len`, and hence
+     * `post_avail` needs to be recalculated afterwards.
+     *
+     * Note also that the two code paths cannot occur simultaneously
+     * since they apply to different versions of the protocol. There
+     * is hence no risk of double-addition of the inner plaintext.
+     */
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+    if( transform->minor_ver == MBEDTLS_SSL_MINOR_VERSION_4 )
+    {
+        size_t padding =
+            ssl_compute_padding_length( rec->data_len,
+                                        MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY );
+        if( ssl_build_inner_plaintext( data,
+                                       &rec->data_len,
+                                       post_avail,
+                                       rec->type,
+                                       padding ) != 0 )
+        {
+            return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
+        }
+
+        rec->type = MBEDTLS_SSL_MSG_APPLICATION_DATA;
+    }
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
     /*
      * Add CID information
@@ -584,17 +698,21 @@
 
     if( rec->cid_len != 0 )
     {
+        size_t padding =
+            ssl_compute_padding_length( rec->data_len,
+                                        MBEDTLS_SSL_CID_PADDING_GRANULARITY );
         /*
          * Wrap plaintext into DTLSInnerPlaintext structure.
-         * See ssl_cid_build_inner_plaintext() for more information.
+         * See ssl_build_inner_plaintext() for more information.
          *
          * Note that this changes `rec->data_len`, and hence
          * `post_avail` needs to be recalculated afterwards.
          */
-        if( ssl_cid_build_inner_plaintext( data,
+        if( ssl_build_inner_plaintext( data,
                         &rec->data_len,
                         post_avail,
-                        rec->type ) != 0 )
+                        rec->type,
+                        padding ) != 0 )
         {
             return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
         }
@@ -638,7 +756,8 @@
         {
             unsigned char mac[MBEDTLS_SSL_MAC_ADD];
 
-            ssl_extract_add_data_from_record( add_data, &add_data_len, rec );
+            ssl_extract_add_data_from_record( add_data, &add_data_len, rec,
+                                              transform->minor_ver );
 
             mbedtls_md_hmac_update( &transform->md_ctx_enc, add_data,
                                     add_data_len );
@@ -704,52 +823,51 @@
     {
         int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
         unsigned char iv[12];
-        size_t explicit_iv_len = transform->ivlen - transform->fixed_ivlen;
+        unsigned char *dynamic_iv;
+        size_t dynamic_iv_len;
+        int dynamic_iv_is_explicit =
+            ssl_transform_aead_dynamic_iv_is_explicit( transform );
 
-        /* Check that there's space for both the authentication tag
-         * and the explicit IV before and after the record content. */
-        if( post_avail < transform->taglen ||
-            rec->data_offset < explicit_iv_len )
+        /* Check that there's space for the authentication tag. */
+        if( post_avail < transform->taglen )
         {
             MBEDTLS_SSL_DEBUG_MSG( 1, ( "Buffer provided for encrypted record not large enough" ) );
             return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
         }
 
         /*
-         * Generate IV
+         * Build nonce for AEAD encryption.
+         *
+         * Note: In the case of CCM and GCM in TLS 1.2, the dynamic
+         *       part of the IV is prepended to the ciphertext and
+         *       can be chosen freely - in particular, it need not
+         *       agree with the record sequence number.
+         *       However, since ChaChaPoly as well as all AEAD modes
+         *       in TLS 1.3 use the record sequence number as the
+         *       dynamic part of the nonce, we uniformly use the
+         *       record sequence number here in all cases.
          */
-        if( transform->ivlen == 12 && transform->fixed_ivlen == 4 )
-        {
-            /* GCM and CCM: fixed || explicit (=seqnum) */
-            memcpy( iv, transform->iv_enc, transform->fixed_ivlen );
-            memcpy( iv + transform->fixed_ivlen, rec->ctr,
-                    explicit_iv_len );
-            /* Prefix record content with explicit IV. */
-            memcpy( data - explicit_iv_len, rec->ctr, explicit_iv_len );
-        }
-        else if( transform->ivlen == 12 && transform->fixed_ivlen == 12 )
-        {
-            /* ChachaPoly: fixed XOR sequence number */
-            unsigned char i;
+        dynamic_iv     = rec->ctr;
+        dynamic_iv_len = sizeof( rec->ctr );
 
-            memcpy( iv, transform->iv_enc, transform->fixed_ivlen );
+        ssl_build_record_nonce( iv, sizeof( iv ),
+                                transform->iv_enc,
+                                transform->fixed_ivlen,
+                                dynamic_iv,
+                                dynamic_iv_len );
 
-            for( i = 0; i < 8; i++ )
-                iv[i+4] ^= rec->ctr[i];
-        }
-        else
-        {
-            /* Reminder if we ever add an AEAD mode with a different size */
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
-        }
-
-        ssl_extract_add_data_from_record( add_data, &add_data_len, rec );
+        /*
+         * Build additional data for AEAD encryption.
+         * This depends on the TLS version.
+         */
+        ssl_extract_add_data_from_record( add_data, &add_data_len, rec,
+                                          transform->minor_ver );
 
         MBEDTLS_SSL_DEBUG_BUF( 4, "IV used (internal)",
-                                  iv, transform->ivlen );
+                               iv, transform->ivlen );
         MBEDTLS_SSL_DEBUG_BUF( 4, "IV used (transmitted)",
-                                  data - explicit_iv_len, explicit_iv_len );
+                               dynamic_iv,
+                               dynamic_iv_is_explicit ? dynamic_iv_len : 0 );
         MBEDTLS_SSL_DEBUG_BUF( 4, "additional data used for AEAD",
                                add_data, add_data_len );
         MBEDTLS_SSL_DEBUG_MSG( 3, ( "before encrypt: msglen = %d, "
@@ -770,17 +888,32 @@
             MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_cipher_auth_encrypt", ret );
             return( ret );
         }
-
         MBEDTLS_SSL_DEBUG_BUF( 4, "after encrypt: tag",
                                data + rec->data_len, transform->taglen );
-
-        rec->data_len    += transform->taglen + explicit_iv_len;
-        rec->data_offset -= explicit_iv_len;
+        /* Account for authentication tag. */
+        rec->data_len += transform->taglen;
         post_avail -= transform->taglen;
+
+        /*
+         * Prefix record content with dynamic IV in case it is explicit.
+         */
+        if( dynamic_iv_is_explicit != 0 )
+        {
+            if( rec->data_offset < dynamic_iv_len )
+            {
+                MBEDTLS_SSL_DEBUG_MSG( 1, ( "Buffer provided for encrypted record not large enough" ) );
+                return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
+            }
+
+            memcpy( data - dynamic_iv_len, dynamic_iv, dynamic_iv_len );
+            rec->data_offset -= dynamic_iv_len;
+            rec->data_len    += dynamic_iv_len;
+        }
+
         auth_done++;
     }
     else
-#endif /* MBEDTLS_GCM_C || MBEDTLS_CCM_C */
+#endif /* MBEDTLS_GCM_C || MBEDTLS_CCM_C || MBEDTLS_CHACHAPOLY_C */
 #if defined(MBEDTLS_CIPHER_MODE_CBC) &&                                    \
     ( defined(MBEDTLS_AES_C) || defined(MBEDTLS_CAMELLIA_C) || defined(MBEDTLS_ARIA_C) )
     if( mode == MBEDTLS_MODE_CBC )
@@ -898,7 +1031,8 @@
                 return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
             }
 
-            ssl_extract_add_data_from_record( add_data, &add_data_len, rec );
+            ssl_extract_add_data_from_record( add_data, &add_data_len,
+                                              rec, transform->minor_ver );
 
             MBEDTLS_SSL_DEBUG_MSG( 3, ( "using encrypt then mac" ) );
             MBEDTLS_SSL_DEBUG_BUF( 4, "MAC'd meta-data", add_data,
@@ -1012,61 +1146,61 @@
         mode == MBEDTLS_MODE_CHACHAPOLY )
     {
         unsigned char iv[12];
-        size_t explicit_iv_len = transform->ivlen - transform->fixed_ivlen;
+        unsigned char *dynamic_iv;
+        size_t dynamic_iv_len;
 
         /*
-         * Prepare IV from explicit and implicit data.
+         * Extract dynamic part of nonce for AEAD decryption.
+         *
+         * Note: In the case of CCM and GCM in TLS 1.2, the dynamic
+         *       part of the IV is prepended to the ciphertext and
+         *       can be chosen freely - in particular, it need not
+         *       agree with the record sequence number.
          */
-
-        /* Check that there's enough space for the explicit IV
-         * (at the beginning of the record) and the MAC (at the
-         * end of the record). */
-        if( rec->data_len < explicit_iv_len + transform->taglen )
+        dynamic_iv_len = sizeof( rec->ctr );
+        if( ssl_transform_aead_dynamic_iv_is_explicit( transform ) == 1 )
         {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "msglen (%d) < explicit_iv_len (%d) "
-                                        "+ taglen (%d)", rec->data_len,
-                                        explicit_iv_len, transform->taglen ) );
+            if( rec->data_len < dynamic_iv_len )
+            {
+                MBEDTLS_SSL_DEBUG_MSG( 1, ( "msglen (%d) < explicit_iv_len (%d) ",
+                                            rec->data_len,
+                                            dynamic_iv_len ) );
+                return( MBEDTLS_ERR_SSL_INVALID_MAC );
+            }
+            dynamic_iv = data;
+
+            data += dynamic_iv_len;
+            rec->data_offset += dynamic_iv_len;
+            rec->data_len    -= dynamic_iv_len;
+        }
+        else
+        {
+            dynamic_iv = rec->ctr;
+        }
+
+        /* Check that there's space for the authentication tag. */
+        if( rec->data_len < transform->taglen )
+        {
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "msglen (%d) < taglen (%d) " ) );
             return( MBEDTLS_ERR_SSL_INVALID_MAC );
         }
+        rec->data_len -= transform->taglen;
 
-#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CCM_C)
-        if( transform->ivlen == 12 && transform->fixed_ivlen == 4 )
-        {
-            /* GCM and CCM: fixed || explicit */
+        /*
+         * Prepare nonce from dynamic and static parts.
+         */
+        ssl_build_record_nonce( iv, sizeof( iv ),
+                                transform->iv_dec,
+                                transform->fixed_ivlen,
+                                dynamic_iv,
+                                dynamic_iv_len );
 
-            /* Fixed */
-            memcpy( iv, transform->iv_dec, transform->fixed_ivlen );
-            /* Explicit */
-            memcpy( iv + transform->fixed_ivlen, data, 8 );
-        }
-        else
-#endif /* MBEDTLS_GCM_C || MBEDTLS_CCM_C */
-#if defined(MBEDTLS_CHACHAPOLY_C)
-        if( transform->ivlen == 12 && transform->fixed_ivlen == 12 )
-        {
-            /* ChachaPoly: fixed XOR sequence number */
-            unsigned char i;
-
-            memcpy( iv, transform->iv_dec, transform->fixed_ivlen );
-
-            for( i = 0; i < 8; i++ )
-                iv[i+4] ^= rec->ctr[i];
-        }
-        else
-#endif /* MBEDTLS_CHACHAPOLY_C */
-        {
-            /* Reminder if we ever add an AEAD mode with a different size */
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
-        }
-
-        /* Group changes to data, data_len, and add_data, because
-         * add_data depends on data_len. */
-        data += explicit_iv_len;
-        rec->data_offset += explicit_iv_len;
-        rec->data_len -= explicit_iv_len + transform->taglen;
-
-        ssl_extract_add_data_from_record( add_data, &add_data_len, rec );
+        /*
+         * Build additional data for AEAD encryption.
+         * This depends on the TLS version.
+         */
+        ssl_extract_add_data_from_record( add_data, &add_data_len, rec,
+                                          transform->minor_ver );
         MBEDTLS_SSL_DEBUG_BUF( 4, "additional data used for AEAD",
                                add_data, add_data_len );
 
@@ -1178,7 +1312,8 @@
              *
              * Further, we still know that data_len > minlen */
             rec->data_len -= transform->maclen;
-            ssl_extract_add_data_from_record( add_data, &add_data_len, rec );
+            ssl_extract_add_data_from_record( add_data, &add_data_len, rec,
+                                              transform->minor_ver );
 
             /* Calculate expected MAC. */
             MBEDTLS_SSL_DEBUG_BUF( 4, "MAC'd meta-data", add_data,
@@ -1397,7 +1532,8 @@
          * hence data_len >= maclen in any case.
          */
         rec->data_len -= transform->maclen;
-        ssl_extract_add_data_from_record( add_data, &add_data_len, rec );
+        ssl_extract_add_data_from_record( add_data, &add_data_len, rec,
+                                          transform->minor_ver );
 
 #if defined(MBEDTLS_SSL_PROTO_SSL3)
         if( transform->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 )
@@ -1549,11 +1685,23 @@
         return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
     }
 
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+    if( transform->minor_ver == MBEDTLS_SSL_MINOR_VERSION_4 )
+    {
+        /* Remove inner padding and infer true content type. */
+        ret = ssl_parse_inner_plaintext( data, &rec->data_len,
+                                         &rec->type );
+
+        if( ret != 0 )
+            return( MBEDTLS_ERR_SSL_INVALID_RECORD );
+    }
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
     if( rec->cid_len != 0 )
     {
-        ret = ssl_cid_parse_inner_plaintext( data, &rec->data_len,
-                                             &rec->type );
+        ret = ssl_parse_inner_plaintext( data, &rec->data_len,
+                                         &rec->type );
         if( ret != 0 )
             return( MBEDTLS_ERR_SSL_INVALID_RECORD );
     }
@@ -4866,6 +5014,15 @@
  *       and the caller has to make sure there's space for this.
  */
 
+static size_t ssl_transform_get_explicit_iv_len(
+                        mbedtls_ssl_transform const *transform )
+{
+    if( transform->minor_ver < MBEDTLS_SSL_MINOR_VERSION_2 )
+        return( 0 );
+
+    return( transform->ivlen - transform->fixed_ivlen );
+}
+
 void mbedtls_ssl_update_out_pointers( mbedtls_ssl_context *ssl,
                                       mbedtls_ssl_transform *transform )
 {
@@ -4894,14 +5051,10 @@
         ssl->out_iv  = ssl->out_hdr + 5;
     }
 
+    ssl->out_msg = ssl->out_iv;
     /* Adjust out_msg to make space for explicit IV, if used. */
-    if( transform != NULL &&
-        ssl->minor_ver >= MBEDTLS_SSL_MINOR_VERSION_2 )
-    {
-        ssl->out_msg = ssl->out_iv + transform->ivlen - transform->fixed_ivlen;
-    }
-    else
-        ssl->out_msg = ssl->out_iv;
+    if( transform != NULL )
+        ssl->out_msg += ssl_transform_get_explicit_iv_len( transform );
 }
 
 /* Once ssl->in_hdr as the address of the beginning of the
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index dbc5a3e..30c917b 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -863,7 +863,7 @@
     unsigned char *key2;
     unsigned char *mac_enc;
     unsigned char *mac_dec;
-    size_t mac_key_len;
+    size_t mac_key_len = 0;
     size_t iv_copy_len;
     unsigned keylen;
     const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
@@ -973,15 +973,28 @@
         transform->taglen =
             ciphersuite_info->flags & MBEDTLS_CIPHERSUITE_SHORT_TAG ? 8 : 16;
 
-        /* All modes haves 96-bit IVs;
-         * GCM and CCM has 4 implicit and 8 explicit bytes
-         * ChachaPoly has all 12 bytes implicit
+        /* All modes haves 96-bit IVs, but the length of the static parts vary
+         * with mode and version:
+         * - For GCM and CCM in TLS 1.2, there's a static IV of 4 Bytes
+         *   (to be concatenated with a dynamically chosen IV of 8 Bytes)
+         * - For ChaChaPoly in TLS 1.2, and all modes in TLS 1.3, there's
+         *   a static IV of 12 Bytes (to be XOR'ed with the 8 Byte record
+         *   sequence number).
          */
         transform->ivlen = 12;
-        if( cipher_info->mode == MBEDTLS_MODE_CHACHAPOLY )
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+        if( minor_ver == MBEDTLS_SSL_MINOR_VERSION_4 )
+        {
             transform->fixed_ivlen = 12;
+        }
         else
-            transform->fixed_ivlen = 4;
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+        {
+            if( cipher_info->mode == MBEDTLS_MODE_CHACHAPOLY )
+                transform->fixed_ivlen = 12;
+            else
+                transform->fixed_ivlen = 4;
+        }
 
         /* Minimum length of encrypted record */
         explicit_ivlen = transform->ivlen - transform->fixed_ivlen;
@@ -1175,7 +1188,7 @@
 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
     if( mbedtls_ssl_hw_record_init != NULL )
     {
-        int ret = 0;
+        ret = 0;
 
         MBEDTLS_SSL_DEBUG_MSG( 2, ( "going for mbedtls_ssl_hw_record_init()" ) );
 
@@ -2747,9 +2760,7 @@
     {
         ssl->session_negotiate->verify_result = MBEDTLS_X509_BADCERT_MISSING;
 
-        if( authmode == MBEDTLS_SSL_VERIFY_OPTIONAL )
-            ret = 0;
-        else
+        if( authmode != MBEDTLS_SSL_VERIFY_OPTIONAL )
             ret = MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE;
 
         goto exit;
@@ -6663,14 +6674,6 @@
  */
 void mbedtls_ssl_free( mbedtls_ssl_context *ssl )
 {
-#if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
-    size_t in_buf_len = ssl->in_buf_len;
-    size_t out_buf_len = ssl->out_buf_len;
-#else
-    size_t in_buf_len = MBEDTLS_SSL_IN_BUFFER_LEN;
-    size_t out_buf_len = MBEDTLS_SSL_OUT_BUFFER_LEN;
-#endif
-
     if( ssl == NULL )
         return;
 
@@ -6678,6 +6681,12 @@
 
     if( ssl->out_buf != NULL )
     {
+#if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
+        size_t out_buf_len = ssl->out_buf_len;
+#else
+        size_t out_buf_len = MBEDTLS_SSL_OUT_BUFFER_LEN;
+#endif
+
         mbedtls_platform_zeroize( ssl->out_buf, out_buf_len );
         mbedtls_free( ssl->out_buf );
         ssl->out_buf = NULL;
@@ -6685,6 +6694,12 @@
 
     if( ssl->in_buf != NULL )
     {
+#if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
+        size_t in_buf_len = ssl->in_buf_len;
+#else
+        size_t in_buf_len = MBEDTLS_SSL_IN_BUFFER_LEN;
+#endif
+
         mbedtls_platform_zeroize( ssl->in_buf, in_buf_len );
         mbedtls_free( ssl->in_buf );
         ssl->in_buf = NULL;
diff --git a/library/timing.c b/library/timing.c
index 009516a..4a65422 100644
--- a/library/timing.c
+++ b/library/timing.c
@@ -40,7 +40,7 @@
 
 #if !defined(unix) && !defined(__unix__) && !defined(__unix) && \
     !defined(__APPLE__) && !defined(_WIN32) && !defined(__QNXNTO__) && \
-    !defined(__HAIKU__)
+    !defined(__HAIKU__) && !defined(__midipix__)
 #error "This module only works on Unix and Windows, see MBEDTLS_TIMING_C in config.h"
 #endif
 
diff --git a/library/version_features.c b/library/version_features.c
index d16ad1b..adc61a1 100644
--- a/library/version_features.c
+++ b/library/version_features.c
@@ -519,6 +519,9 @@
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
     "MBEDTLS_SSL_PROTO_TLS1_2",
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+    "MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL",
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
     "MBEDTLS_SSL_PROTO_DTLS",
 #endif /* MBEDTLS_SSL_PROTO_DTLS */
@@ -555,6 +558,9 @@
 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
     "MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH",
 #endif /* MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH */
+#if defined(MBEDTLS_TEST_HOOKS)
+    "MBEDTLS_TEST_HOOKS",
+#endif /* MBEDTLS_TEST_HOOKS */
 #if defined(MBEDTLS_THREADING_ALT)
     "MBEDTLS_THREADING_ALT",
 #endif /* MBEDTLS_THREADING_ALT */
diff --git a/library/x509.c b/library/x509.c
index 4c2f721..e969b8d 100644
--- a/library/x509.c
+++ b/library/x509.c
@@ -787,7 +787,7 @@
                 break;
 
             c = name->val.p[i];
-            if( c < 32 || c == 127 || ( c > 128 && c < 160 ) )
+            if( c < 32 || c >= 127 )
                  s[i] = '?';
             else s[i] = c;
         }
diff --git a/library/x509_crt.c b/library/x509_crt.c
index 490b524..ee3b48d 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -652,10 +652,6 @@
         mbedtls_x509_subject_alternative_name dummy_san_buf;
         memset( &dummy_san_buf, 0, sizeof( dummy_san_buf ) );
 
-        if( ( end - *p ) < 1 )
-            return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS +
-                    MBEDTLS_ERR_ASN1_OUT_OF_DATA );
-
         tag = **p;
         (*p)++;
         if( ( ret = mbedtls_asn1_get_len( p, end, &tag_len ) ) != 0 )
@@ -669,7 +665,7 @@
         }
 
         /*
-         * Check that the SAN are structured correct.
+         * Check that the SAN is structured correctly.
          */
         ret = mbedtls_x509_parse_subject_alt_name( &(cur->buf), &dummy_san_buf );
         /*
diff --git a/programs/aes/aescrypt2.c b/programs/aes/aescrypt2.c
index 8edf85f..f17c641 100644
--- a/programs/aes/aescrypt2.c
+++ b/programs/aes/aescrypt2.c
@@ -76,7 +76,7 @@
     mbedtls_printf("MBEDTLS_AES_C and/or MBEDTLS_SHA256_C "
                     "and/or MBEDTLS_FS_IO and/or MBEDTLS_MD_C "
                     "not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -465,6 +465,6 @@
     mbedtls_aes_free( &aes_ctx );
     mbedtls_md_free( &sha_ctx );
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_AES_C && MBEDTLS_SHA256_C && MBEDTLS_FS_IO */
diff --git a/programs/aes/crypt_and_hash.c b/programs/aes/crypt_and_hash.c
index e2949f2..1e03d43 100644
--- a/programs/aes/crypt_and_hash.c
+++ b/programs/aes/crypt_and_hash.c
@@ -78,14 +78,15 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_CIPHER_C and/or MBEDTLS_MD_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
 
 int main( int argc, char *argv[] )
 {
-    int ret = 1, i, n;
+    int ret = 1, i;
+    unsigned n;
     int exit_code = MBEDTLS_EXIT_FAILURE;
     int mode;
     size_t keylen, ilen, olen;
@@ -562,6 +563,6 @@
     mbedtls_cipher_free( &cipher_ctx );
     mbedtls_md_free( &md_ctx );
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_CIPHER_C && MBEDTLS_MD_C && MBEDTLS_FS_IO */
diff --git a/programs/fuzz/common.c b/programs/fuzz/common.c
index 5e6c84c..ac39ee2 100644
--- a/programs/fuzz/common.c
+++ b/programs/fuzz/common.c
@@ -58,8 +58,13 @@
     int ret;
     size_t i;
 
+#if defined(MBEDTLS_CTR_DRBG_C)
     //use mbedtls_ctr_drbg_random to find bugs in it
     ret = mbedtls_ctr_drbg_random(p_rng, output, output_len);
+#else
+    (void) p_rng;
+    ret = 0;
+#endif
     for (i=0; i<output_len; i++) {
         //replace result with pseudo random
         output[i] = (unsigned char) rand();
diff --git a/programs/fuzz/fuzz_client.c b/programs/fuzz/fuzz_client.c
index 7ffa7be..270ae8a 100644
--- a/programs/fuzz/fuzz_client.c
+++ b/programs/fuzz/fuzz_client.c
@@ -8,7 +8,9 @@
 #include <stdint.h>
 
 
-#ifdef MBEDTLS_SSL_CLI_C
+#if defined(MBEDTLS_SSL_CLI_C) && \
+    defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C)
 static int initialized = 0;
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
 static mbedtls_x509_crt cacert;
@@ -25,11 +27,13 @@
 #endif
 
 const char *pers = "fuzz_client";
-#endif //MBEDTLS_SSL_CLI_C
+#endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
 
 
 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
-#ifdef MBEDTLS_SSL_CLI_C
+#if defined(MBEDTLS_SSL_CLI_C) && \
+    defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C)
     int ret;
     size_t len;
     mbedtls_ssl_context ssl;
@@ -167,7 +171,7 @@
 #else
     (void) Data;
     (void) Size;
-#endif //MBEDTLS_SSL_CLI_C
+#endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
 
     return 0;
 }
diff --git a/programs/fuzz/fuzz_dtlsclient.c b/programs/fuzz/fuzz_dtlsclient.c
index 8197a64..ff258bc 100644
--- a/programs/fuzz/fuzz_dtlsclient.c
+++ b/programs/fuzz/fuzz_dtlsclient.c
@@ -10,20 +10,27 @@
 #include "mbedtls/timing.h"
 
 
-#ifdef MBEDTLS_SSL_CLI_C
+#if defined(MBEDTLS_SSL_CLI_C) && \
+    defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C) && \
+    defined(MBEDTLS_TIMING_C)
 static int initialized = 0;
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
 static mbedtls_x509_crt cacert;
 #endif
 
 const char *pers = "fuzz_dtlsclient";
-#endif // MBEDTLS_SSL_CLI_C
+#endif
 #endif // MBEDTLS_SSL_PROTO_DTLS
 
 
 
 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
-#if defined(MBEDTLS_SSL_PROTO_DTLS) && defined(MBEDTLS_SSL_CLI_C)
+#if defined(MBEDTLS_SSL_PROTO_DTLS) && \
+    defined(MBEDTLS_SSL_CLI_C) && \
+    defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C) && \
+    defined(MBEDTLS_TIMING_C)
     int ret;
     size_t len;
     mbedtls_ssl_context ssl;
diff --git a/programs/fuzz/fuzz_dtlsserver.c b/programs/fuzz/fuzz_dtlsserver.c
index 9e9fe8e..4cde1fe 100644
--- a/programs/fuzz/fuzz_dtlsserver.c
+++ b/programs/fuzz/fuzz_dtlsserver.c
@@ -11,7 +11,10 @@
 #include "mbedtls/ssl_cookie.h"
 
 
-#ifdef MBEDTLS_SSL_SRV_C
+#if defined(MBEDTLS_SSL_SRV_C) && \
+    defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C) && \
+    defined(MBEDTLS_TIMING_C)
 const char *pers = "fuzz_dtlsserver";
 const unsigned char client_ip[4] = {0x7F, 0, 0, 1};
 static int initialized = 0;
@@ -19,11 +22,15 @@
 static mbedtls_x509_crt srvcert;
 static mbedtls_pk_context pkey;
 #endif
-#endif // MBEDTLS_SSL_SRV_C
+#endif
 #endif // MBEDTLS_SSL_PROTO_DTLS
 
 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
-#if defined(MBEDTLS_SSL_PROTO_DTLS) && defined(MBEDTLS_SSL_SRV_C)
+#if defined(MBEDTLS_SSL_PROTO_DTLS) && \
+    defined(MBEDTLS_SSL_SRV_C) && \
+    defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C) && \
+    defined(MBEDTLS_TIMING_C)
     int ret;
     size_t len;
     mbedtls_ssl_context ssl;
diff --git a/programs/fuzz/fuzz_server.c b/programs/fuzz/fuzz_server.c
index 006239c..014f386 100644
--- a/programs/fuzz/fuzz_server.c
+++ b/programs/fuzz/fuzz_server.c
@@ -9,7 +9,9 @@
 #include <stdint.h>
 
 
-#ifdef MBEDTLS_SSL_SRV_C
+#if defined(MBEDTLS_SSL_SRV_C) && \
+    defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C)
 const char *pers = "fuzz_server";
 static int initialized = 0;
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
@@ -25,11 +27,13 @@
 };
 const char psk_id[] = "Client_identity";
 #endif
-#endif // MBEDTLS_SSL_SRV_C
+#endif // MBEDTLS_SSL_SRV_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C
 
 
 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
-#ifdef MBEDTLS_SSL_SRV_C
+#if defined(MBEDTLS_SSL_SRV_C) && \
+    defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C)
     int ret;
     size_t len;
     mbedtls_ssl_context ssl;
@@ -179,7 +183,7 @@
 #else
     (void) Data;
     (void) Size;
-#endif //MBEDTLS_SSL_SRV_C
+#endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
 
     return 0;
 }
diff --git a/programs/hash/generic_sum.c b/programs/hash/generic_sum.c
index 709a149..97f7a46 100644
--- a/programs/hash/generic_sum.c
+++ b/programs/hash/generic_sum.c
@@ -48,7 +48,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_MD_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -203,7 +203,7 @@
         fflush( stdout ); getchar();
 #endif
 
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     /*
@@ -213,12 +213,12 @@
     if( md_info == NULL )
     {
         mbedtls_fprintf( stderr, "Message Digest '%s' not found\n", argv[1] );
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
     if( mbedtls_md_setup( &md_ctx, md_info, 0 ) )
     {
         mbedtls_fprintf( stderr, "Failed to initialize context.\n" );
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     ret = 0;
@@ -237,6 +237,6 @@
 exit:
     mbedtls_md_free( &md_ctx );
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_MD_C && MBEDTLS_FS_IO */
diff --git a/programs/hash/hello.c b/programs/hash/hello.c
index 55a0c7e..66fd315 100644
--- a/programs/hash/hello.c
+++ b/programs/hash/hello.c
@@ -44,7 +44,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_MD5_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -58,7 +58,7 @@
     mbedtls_printf( "\n  MD5('%s') = ", str );
 
     if( ( ret = mbedtls_md5_ret( (unsigned char *) str, 13, digest ) ) != 0 )
-        return( MBEDTLS_EXIT_FAILURE );
+        mbedtls_exit( MBEDTLS_EXIT_FAILURE );
 
     for( i = 0; i < 16; i++ )
         mbedtls_printf( "%02x", digest[i] );
@@ -70,6 +70,6 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( MBEDTLS_EXIT_SUCCESS );
+    mbedtls_exit( MBEDTLS_EXIT_SUCCESS );
 }
 #endif /* MBEDTLS_MD5_C */
diff --git a/programs/pkey/dh_client.c b/programs/pkey/dh_client.c
index 86b260c..90fc4e5 100644
--- a/programs/pkey/dh_client.c
+++ b/programs/pkey/dh_client.c
@@ -68,7 +68,7 @@
            "and/or MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -307,7 +307,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_AES_C && MBEDTLS_DHM_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_NET_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
diff --git a/programs/pkey/dh_genprime.c b/programs/pkey/dh_genprime.c
index bf5482e..5293f89 100644
--- a/programs/pkey/dh_genprime.c
+++ b/programs/pkey/dh_genprime.c
@@ -45,7 +45,7 @@
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
            "MBEDTLS_FS_IO and/or MBEDTLS_CTR_DRBG_C and/or "
            "MBEDTLS_GENPRIME not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -91,7 +91,7 @@
     {
     usage:
         mbedtls_printf( USAGE );
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     for( i = 1; i < argc; i++ )
@@ -197,7 +197,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_FS_IO &&
           MBEDTLS_CTR_DRBG_C && MBEDTLS_GENPRIME */
diff --git a/programs/pkey/dh_server.c b/programs/pkey/dh_server.c
index c011774..06676c0 100644
--- a/programs/pkey/dh_server.c
+++ b/programs/pkey/dh_server.c
@@ -68,7 +68,7 @@
            "and/or MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -330,7 +330,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_AES_C && MBEDTLS_DHM_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_NET_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
diff --git a/programs/pkey/ecdh_curve25519.c b/programs/pkey/ecdh_curve25519.c
index 9f849dd..e79dce0 100644
--- a/programs/pkey/ecdh_curve25519.c
+++ b/programs/pkey/ecdh_curve25519.c
@@ -45,7 +45,7 @@
                     "MBEDTLS_ECP_DP_CURVE25519_ENABLED and/or "
                     "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C "
                     "not defined\n" );
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -238,7 +238,7 @@
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_ECDH_C && MBEDTLS_ECP_DP_CURVE25519_ENABLED &&
           MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/ecdsa.c b/programs/pkey/ecdsa.c
index 9feb160..72744e7 100644
--- a/programs/pkey/ecdsa.c
+++ b/programs/pkey/ecdsa.c
@@ -66,7 +66,7 @@
 {
     mbedtls_printf("MBEDTLS_ECDSA_C and/or MBEDTLS_SHA256_C and/or "
            "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C not defined\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 #if defined(VERBOSE)
@@ -248,7 +248,7 @@
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_ECDSA_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
           ECPARAMS */
diff --git a/programs/pkey/gen_key.c b/programs/pkey/gen_key.c
index 9c1a91c..c5d8ac9 100644
--- a/programs/pkey/gen_key.c
+++ b/programs/pkey/gen_key.c
@@ -133,7 +133,7 @@
             "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
             "MBEDTLS_PEM_WRITE_C"
             "not defined.\n" );
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -446,7 +446,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_PK_WRITE_C && MBEDTLS_PEM_WRITE_C && MBEDTLS_FS_IO &&
         * MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/key_app.c b/programs/pkey/key_app.c
index 345b7b8..d7387f3 100644
--- a/programs/pkey/key_app.c
+++ b/programs/pkey/key_app.c
@@ -70,7 +70,7 @@
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or "
            "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -311,6 +311,6 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO */
diff --git a/programs/pkey/key_app_writer.c b/programs/pkey/key_app_writer.c
index 937fe90..46cb704 100644
--- a/programs/pkey/key_app_writer.c
+++ b/programs/pkey/key_app_writer.c
@@ -94,7 +94,7 @@
 int main( void )
 {
     mbedtls_printf( "MBEDTLS_PK_PARSE_C and/or MBEDTLS_PK_WRITE_C and/or MBEDTLS_FS_IO not defined.\n" );
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -436,6 +436,6 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_PK_PARSE_C && MBEDTLS_PK_WRITE_C && MBEDTLS_FS_IO */
diff --git a/programs/pkey/mpi_demo.c b/programs/pkey/mpi_demo.c
index ecdcd32..8163781 100644
--- a/programs/pkey/mpi_demo.c
+++ b/programs/pkey/mpi_demo.c
@@ -46,7 +46,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -112,6 +112,6 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_FS_IO */
diff --git a/programs/pkey/pk_decrypt.c b/programs/pkey/pk_decrypt.c
index bccfde0..494bb80 100644
--- a/programs/pkey/pk_decrypt.c
+++ b/programs/pkey/pk_decrypt.c
@@ -56,7 +56,7 @@
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_PK_PARSE_C and/or "
            "MBEDTLS_FS_IO and/or MBEDTLS_ENTROPY_C and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -64,7 +64,8 @@
 int main( int argc, char *argv[] )
 {
     FILE *f;
-    int ret = 1, c;
+    int ret = 1;
+    unsigned c;
     int exit_code = MBEDTLS_EXIT_FAILURE;
     size_t i, olen = 0;
     mbedtls_pk_context pk;
@@ -171,7 +172,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
           MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/pk_encrypt.c b/programs/pkey/pk_encrypt.c
index 16cd3f0..673e2cb 100644
--- a/programs/pkey/pk_encrypt.c
+++ b/programs/pkey/pk_encrypt.c
@@ -57,7 +57,7 @@
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_PK_PARSE_C and/or "
            "MBEDTLS_ENTROPY_C and/or MBEDTLS_FS_IO and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -176,7 +176,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_PK_PARSE_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_FS_IO && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/pk_sign.c b/programs/pkey/pk_sign.c
index 4e755c0..3504bff 100644
--- a/programs/pkey/pk_sign.c
+++ b/programs/pkey/pk_sign.c
@@ -47,7 +47,7 @@
            "MBEDTLS_SHA256_C and/or MBEDTLS_MD_C and/or "
            "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -173,7 +173,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_SHA256_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
diff --git a/programs/pkey/pk_verify.c b/programs/pkey/pk_verify.c
index 2e08763..b1374b6 100644
--- a/programs/pkey/pk_verify.c
+++ b/programs/pkey/pk_verify.c
@@ -45,7 +45,7 @@
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_MD_C and/or "
            "MBEDTLS_SHA256_C and/or MBEDTLS_PK_PARSE_C and/or "
            "MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -147,7 +147,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_SHA256_C &&
           MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO */
diff --git a/programs/pkey/rsa_decrypt.c b/programs/pkey/rsa_decrypt.c
index 3327909..6aca217 100644
--- a/programs/pkey/rsa_decrypt.c
+++ b/programs/pkey/rsa_decrypt.c
@@ -55,7 +55,7 @@
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_FS_IO and/or MBEDTLS_ENTROPY_C and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -65,7 +65,7 @@
     FILE *f;
     int ret = 1;
     int exit_code = MBEDTLS_EXIT_FAILURE;
-    int c;
+    unsigned c;
     size_t i;
     mbedtls_rsa_context rsa;
     mbedtls_mpi N, P, Q, D, E, DP, DQ, QP;
@@ -207,6 +207,6 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_FS_IO */
diff --git a/programs/pkey/rsa_encrypt.c b/programs/pkey/rsa_encrypt.c
index 4a71c15..48f01ab 100644
--- a/programs/pkey/rsa_encrypt.c
+++ b/programs/pkey/rsa_encrypt.c
@@ -55,7 +55,7 @@
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_ENTROPY_C and/or MBEDTLS_FS_IO and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -184,7 +184,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_FS_IO && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/rsa_genkey.c b/programs/pkey/rsa_genkey.c
index f2b7b50..719923a 100644
--- a/programs/pkey/rsa_genkey.c
+++ b/programs/pkey/rsa_genkey.c
@@ -59,7 +59,7 @@
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
            "MBEDTLS_RSA_C and/or MBEDTLS_GENPRIME and/or "
            "MBEDTLS_FS_IO and/or MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -172,7 +172,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_RSA_C &&
           MBEDTLS_GENPRIME && MBEDTLS_FS_IO && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/pkey/rsa_priv.txt b/programs/pkey/rsa_priv.txt
index 22c37fe..254fcf8 100644
--- a/programs/pkey/rsa_priv.txt
+++ b/programs/pkey/rsa_priv.txt
@@ -1,8 +1,8 @@
-N = A1D46FBA2318F8DCEF16C280948B1CF27966B9B47225ED2989F8D74B45BD36049C0AAB5AD0FF003553BA843C8E12782FC5873BB89A3DC84B883D25666CD22BF3ACD5B675969F8BEBFBCAC93FDD927C7442B178B10D1DFF9398E52316AAE0AF74E594650BDC3C670241D418684593CDA1A7B9DC4F20D2FDC6F66344074003E211
-E = 010001
-D = 589552BB4F2F023ADDDD5586D0C8FD857512D82080436678D07F984A29D892D31F1F7000FC5A39A0F73E27D885E47249A4148C8A5653EF69F91F8F736BA9F84841C2D99CD8C24DE8B72B5C9BE0EDBE23F93D731749FEA9CFB4A48DD2B7F35A2703E74AA2D4DB7DE9CEEA7D763AF0ADA7AC176C4E9A22C4CDA65CEC0C65964401
-P = CD083568D2D46C44C40C1FA0101AF2155E59C70B08423112AF0C1202514BBA5210765E29FF13036F56C7495894D80CF8C3BAEE2839BACBB0B86F6A2965F60DB1
-Q = CA0EEEA5E710E8E9811A6B846399420E3AE4A4C16647E426DDF8BBBCB11CD3F35CE2E4B6BCAD07AE2C0EC2ECBFCC601B207CDD77B5673E16382B1130BF465261
-DP = 0D0E21C07BF434B4A83B116472C2147A11D8EB98A33CFBBCF1D275EF19D815941622435AAF3839B6C432CA53CE9E772CFBE1923A937A766FD93E96E6EDEC1DF1
-DQ = 269CEBE6305DFEE4809377F078C814E37B45AE6677114DFC4F76F5097E1F3031D592567AC55B9B98213B40ECD54A4D2361F5FAACA1B1F51F71E4690893C4F081
-QP = 97AC5BB885ABCA314375E9E4DB1BA4B2218C90619F61BD474F5785075ECA81750A735199A8C191FE2D3355E7CF601A70E5CABDE0E02C2538BB9FB4871540B3C1
+N = A1D46FBA2318F8DCEF16C280948B1CF27966B9B47225ED2989F8D74B45BD36049C0AAB5AD0FF003553BA843C8E12782FC5873BB89A3DC84B883D25666CD22BF3ACD5B675969F8BEBFBCAC93FDD927C7442B178B10D1DFF9398E52316AAE0AF74E594650BDC3C670241D418684593CDA1A7B9DC4F20D2FDC6F66344074003E211
+E = 010001
+D = 589552BB4F2F023ADDDD5586D0C8FD857512D82080436678D07F984A29D892D31F1F7000FC5A39A0F73E27D885E47249A4148C8A5653EF69F91F8F736BA9F84841C2D99CD8C24DE8B72B5C9BE0EDBE23F93D731749FEA9CFB4A48DD2B7F35A2703E74AA2D4DB7DE9CEEA7D763AF0ADA7AC176C4E9A22C4CDA65CEC0C65964401
+P = CD083568D2D46C44C40C1FA0101AF2155E59C70B08423112AF0C1202514BBA5210765E29FF13036F56C7495894D80CF8C3BAEE2839BACBB0B86F6A2965F60DB1
+Q = CA0EEEA5E710E8E9811A6B846399420E3AE4A4C16647E426DDF8BBBCB11CD3F35CE2E4B6BCAD07AE2C0EC2ECBFCC601B207CDD77B5673E16382B1130BF465261
+DP = 0D0E21C07BF434B4A83B116472C2147A11D8EB98A33CFBBCF1D275EF19D815941622435AAF3839B6C432CA53CE9E772CFBE1923A937A766FD93E96E6EDEC1DF1
+DQ = 269CEBE6305DFEE4809377F078C814E37B45AE6677114DFC4F76F5097E1F3031D592567AC55B9B98213B40ECD54A4D2361F5FAACA1B1F51F71E4690893C4F081
+QP = 97AC5BB885ABCA314375E9E4DB1BA4B2218C90619F61BD474F5785075ECA81750A735199A8C191FE2D3355E7CF601A70E5CABDE0E02C2538BB9FB4871540B3C1
diff --git a/programs/pkey/rsa_pub.txt b/programs/pkey/rsa_pub.txt
index 2c6d313..1e7ae0c 100644
--- a/programs/pkey/rsa_pub.txt
+++ b/programs/pkey/rsa_pub.txt
@@ -1,2 +1,2 @@
-N = A1D46FBA2318F8DCEF16C280948B1CF27966B9B47225ED2989F8D74B45BD36049C0AAB5AD0FF003553BA843C8E12782FC5873BB89A3DC84B883D25666CD22BF3ACD5B675969F8BEBFBCAC93FDD927C7442B178B10D1DFF9398E52316AAE0AF74E594650BDC3C670241D418684593CDA1A7B9DC4F20D2FDC6F66344074003E211
-E = 010001
+N = A1D46FBA2318F8DCEF16C280948B1CF27966B9B47225ED2989F8D74B45BD36049C0AAB5AD0FF003553BA843C8E12782FC5873BB89A3DC84B883D25666CD22BF3ACD5B675969F8BEBFBCAC93FDD927C7442B178B10D1DFF9398E52316AAE0AF74E594650BDC3C670241D418684593CDA1A7B9DC4F20D2FDC6F66344074003E211
+E = 010001
diff --git a/programs/pkey/rsa_sign.c b/programs/pkey/rsa_sign.c
index 78ab176..38a1f3d 100644
--- a/programs/pkey/rsa_sign.c
+++ b/programs/pkey/rsa_sign.c
@@ -46,7 +46,7 @@
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
             "MBEDTLS_MD_C and/or "
             "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -188,7 +188,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
           MBEDTLS_FS_IO */
diff --git a/programs/pkey/rsa_sign_pss.c b/programs/pkey/rsa_sign_pss.c
index 5019f28..938b93a 100644
--- a/programs/pkey/rsa_sign_pss.c
+++ b/programs/pkey/rsa_sign_pss.c
@@ -47,7 +47,7 @@
            "MBEDTLS_RSA_C and/or MBEDTLS_SHA256_C and/or "
            "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -175,7 +175,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_RSA_C &&
           MBEDTLS_SHA256_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
diff --git a/programs/pkey/rsa_verify.c b/programs/pkey/rsa_verify.c
index b531775..8ea5d51 100644
--- a/programs/pkey/rsa_verify.c
+++ b/programs/pkey/rsa_verify.c
@@ -45,7 +45,7 @@
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
             "MBEDTLS_MD_C and/or "
             "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -59,7 +59,8 @@
 int main( int argc, char *argv[] )
 {
     FILE *f;
-    int ret = 1, c;
+    int ret = 1;
+    unsigned c;
     int exit_code = MBEDTLS_EXIT_FAILURE;
     size_t i;
     mbedtls_rsa_context rsa;
@@ -161,7 +162,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
           MBEDTLS_FS_IO */
diff --git a/programs/pkey/rsa_verify_pss.c b/programs/pkey/rsa_verify_pss.c
index de28337..5e4e98e 100644
--- a/programs/pkey/rsa_verify_pss.c
+++ b/programs/pkey/rsa_verify_pss.c
@@ -47,7 +47,7 @@
            "MBEDTLS_RSA_C and/or MBEDTLS_SHA256_C and/or "
            "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -151,7 +151,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
           MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO */
diff --git a/programs/psa/CMakeLists.txt b/programs/psa/CMakeLists.txt
index c80043b..4373ceb 100644
--- a/programs/psa/CMakeLists.txt
+++ b/programs/psa/CMakeLists.txt
@@ -5,11 +5,12 @@
 target_link_libraries(key_ladder_demo mbedtls)
 
 add_executable(psa_constant_names psa_constant_names.c)
+target_include_directories(psa_constant_names PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
 target_link_libraries(psa_constant_names mbedtls)
 
 add_custom_target(
     psa_constant_names_generated
-    COMMAND ${PYTHON_EXECUTABLE} scripts/generate_psa_constants.py
+    COMMAND ${MBEDTLS_PYTHON_EXECUTABLE} scripts/generate_psa_constants.py ${CMAKE_CURRENT_BINARY_DIR}
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../../
 )
 add_dependencies(psa_constant_names psa_constant_names_generated)
diff --git a/programs/random/gen_entropy.c b/programs/random/gen_entropy.c
index c60aec9..e981b9a 100644
--- a/programs/random/gen_entropy.c
+++ b/programs/random/gen_entropy.c
@@ -47,7 +47,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_ENTROPY_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -63,13 +63,13 @@
     if( argc < 2 )
     {
         mbedtls_fprintf( stderr, "usage: %s <output filename>\n", argv[0] );
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     if( ( f = fopen( argv[1], "wb+" ) ) == NULL )
     {
         mbedtls_printf( "failed to open '%s' for writing.\n", argv[1] );
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     mbedtls_entropy_init( &entropy );
@@ -99,6 +99,6 @@
     fclose( f );
     mbedtls_entropy_free( &entropy );
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_ENTROPY_C */
diff --git a/programs/random/gen_random_ctr_drbg.c b/programs/random/gen_random_ctr_drbg.c
index 59df34b..b088276 100644
--- a/programs/random/gen_random_ctr_drbg.c
+++ b/programs/random/gen_random_ctr_drbg.c
@@ -50,7 +50,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -69,13 +69,13 @@
     if( argc < 2 )
     {
         mbedtls_fprintf( stderr, "usage: %s <output filename>\n", argv[0] );
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     if( ( f = fopen( argv[1], "wb+" ) ) == NULL )
     {
         mbedtls_printf( "failed to open '%s' for writing.\n", argv[1] );
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     mbedtls_entropy_init( &entropy );
@@ -132,6 +132,6 @@
     mbedtls_ctr_drbg_free( &ctr_drbg );
     mbedtls_entropy_free( &entropy );
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_CTR_DRBG_C && MBEDTLS_ENTROPY_C */
diff --git a/programs/random/gen_random_havege.c b/programs/random/gen_random_havege.c
index 5ea52ae..6a65de0 100644
--- a/programs/random/gen_random_havege.c
+++ b/programs/random/gen_random_havege.c
@@ -48,7 +48,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_HAVEGE_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -65,13 +65,13 @@
     if( argc < 2 )
     {
         mbedtls_fprintf( stderr, "usage: %s <output filename>\n", argv[0] );
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     if( ( f = fopen( argv[1], "wb+" ) ) == NULL )
     {
         mbedtls_printf( "failed to open '%s' for writing.\n", argv[1] );
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     mbedtls_havege_init( &hs );
@@ -104,6 +104,6 @@
 exit:
     mbedtls_havege_free( &hs );
     fclose( f );
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_HAVEGE_C */
diff --git a/programs/ssl/dtls_client.c b/programs/ssl/dtls_client.c
index ce1056f..a0f4a5f 100644
--- a/programs/ssl/dtls_client.c
+++ b/programs/ssl/dtls_client.c
@@ -29,6 +29,7 @@
 #include "mbedtls/platform.h"
 #else
 #include <stdio.h>
+#include <stdlib.h>
 #define mbedtls_printf     printf
 #define mbedtls_fprintf    fprintf
 #define mbedtls_exit            exit
@@ -48,7 +49,7 @@
             "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
             "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
             "MBEDTLS_CERTS_C and/or MBEDTLS_PEM_PARSE_C not defined.\n" );
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -355,7 +356,7 @@
     if( ret < 0 )
         ret = 1;
 
-    return( ret );
+    mbedtls_exit( ret );
 }
 #endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_SSL_PROTO_DTLS && MBEDTLS_NET_C &&
           MBEDTLD_TIMING_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
diff --git a/programs/ssl/dtls_server.c b/programs/ssl/dtls_server.c
index f63741f..dd88f95 100644
--- a/programs/ssl/dtls_server.c
+++ b/programs/ssl/dtls_server.c
@@ -29,6 +29,7 @@
 #include "mbedtls/platform.h"
 #else
 #include <stdio.h>
+#include <stdlib.h>
 #define mbedtls_printf     printf
 #define mbedtls_fprintf    fprintf
 #define mbedtls_time_t     time_t
@@ -61,7 +62,7 @@
             "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
             "MBEDTLS_CERTS_C and/or MBEDTLS_PEM_PARSE_C and/or "
             "MBEDTLS_TIMING_C not defined.\n" );
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -430,7 +431,7 @@
     if( ret < 0 )
         ret = 1;
 
-    return( ret );
+    mbedtls_exit( ret );
 }
 #endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_SSL_PROTO_DTLS &&
           MBEDTLS_SSL_COOKIE_C && MBEDTLS_NET_C && MBEDTLS_ENTROPY_C &&
diff --git a/programs/ssl/mini_client.c b/programs/ssl/mini_client.c
index b4346bb..5a153cc 100644
--- a/programs/ssl/mini_client.c
+++ b/programs/ssl/mini_client.c
@@ -60,7 +60,7 @@
     mbedtls_printf( "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or "
             "MBEDTLS_NET_C and/or MBEDTLS_SSL_CLI_C and/or UNIX "
             "not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -296,6 +296,6 @@
     mbedtls_x509_crt_free( &ca );
 #endif
 
-    return( ret );
+    mbedtls_exit( ret );
 }
 #endif
diff --git a/programs/ssl/ssl_client1.c b/programs/ssl/ssl_client1.c
index 3724c64..00fbe7f 100644
--- a/programs/ssl/ssl_client1.c
+++ b/programs/ssl/ssl_client1.c
@@ -51,7 +51,7 @@
            "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
            "not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -312,7 +312,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
           MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 6b09a89..486b6a6 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -50,7 +50,7 @@
     mbedtls_printf("MBEDTLS_ENTROPY_C and/or "
            "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
            "MBEDTLS_NET_C and/or MBEDTLS_CTR_DRBG_C and/or not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -377,7 +377,9 @@
 #define USAGE_SERIALIZATION ""
 #endif
 
-#define USAGE \
+/* USAGE is arbitrarily split to stay under the portable string literal
+ * length limit: 4095 bytes in C99. */
+#define USAGE1 \
     "\n usage: ssl_client2 param=<>...\n"                   \
     "\n acceptable parameters:\n"                           \
     "    server_name=%%s      default: localhost\n"         \
@@ -401,7 +403,8 @@
     "\n"                                                    \
     USAGE_DTLS                                              \
     USAGE_CID                                               \
-    "\n"                                                    \
+    "\n"
+#define USAGE2 \
     "    auth_mode=%%s        default: (library default: none)\n" \
     "                        options: none, optional, required\n" \
     USAGE_IO                                                \
@@ -411,7 +414,8 @@
     USAGE_PSK                                               \
     USAGE_ECJPAKE                                           \
     USAGE_ECRESTART                                         \
-    "\n"                                                    \
+    "\n"
+#define USAGE3 \
     "    allow_legacy=%%d     default: (library default: no)\n"   \
     USAGE_RENEGO                                            \
     "    exchanges=%%d        default: 1\n"                 \
@@ -434,7 +438,8 @@
     USAGE_CURVES                                            \
     USAGE_RECSPLIT                                          \
     USAGE_DHMLEN                                            \
-    "\n"                                                    \
+    "\n"
+#define USAGE4 \
     "    arc4=%%d             default: (library default: 0)\n" \
     "    allow_sha1=%%d       default: 0\n"                             \
     "    min_version=%%s      default: (library default: tls1)\n"       \
@@ -1244,7 +1249,10 @@
         if( ret == 0 )
             ret = 1;
 
-        mbedtls_printf( USAGE );
+        mbedtls_printf( USAGE1 );
+        mbedtls_printf( USAGE2 );
+        mbedtls_printf( USAGE3 );
+        mbedtls_printf( USAGE4 );
 
         list = mbedtls_ssl_list_ciphersuites();
         while( *list )
@@ -1710,7 +1718,7 @@
         }
         else if( strcmp( p, "query_config" ) == 0 )
         {
-            return query_config( q );
+            mbedtls_exit( query_config( q ) );
         }
         else if( strcmp( p, "serialize") == 0 )
         {
@@ -3417,7 +3425,7 @@
     if( ret < 0 )
         ret = 1;
 
-    return( ret );
+    mbedtls_exit( ret );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
           MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 851bc05..d36aacb 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -54,14 +54,14 @@
            "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
            "MBEDTLS_TIMING_C and/or MBEDTLS_PEM_PARSE_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #elif defined(_WIN32)
 int main( void )
 {
     mbedtls_printf("_WIN32 defined. This application requires fork() and signals "
            "to work correctly.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -417,7 +417,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_CERTS_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index 3163e21..08ff025 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -56,7 +56,7 @@
            "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
            "not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -853,7 +853,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
           MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C **
diff --git a/programs/ssl/ssl_pthread_server.c b/programs/ssl/ssl_pthread_server.c
index 0624d33..3496ef6 100644
--- a/programs/ssl/ssl_pthread_server.c
+++ b/programs/ssl/ssl_pthread_server.c
@@ -54,7 +54,7 @@
            "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
            "MBEDTLS_THREADING_C and/or MBEDTLS_THREADING_PTHREAD "
            "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -524,7 +524,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( ret );
+    mbedtls_exit( ret );
 }
 
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_CERTS_C && MBEDTLS_ENTROPY_C &&
diff --git a/programs/ssl/ssl_server.c b/programs/ssl/ssl_server.c
index 9668cf9..9cba887 100644
--- a/programs/ssl/ssl_server.c
+++ b/programs/ssl/ssl_server.c
@@ -52,7 +52,7 @@
            "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
            "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -397,7 +397,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( ret );
+    mbedtls_exit( ret );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_CERTS_C && MBEDTLS_ENTROPY_C &&
           MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index ca557ca..5dd1871 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -50,7 +50,7 @@
     mbedtls_printf("MBEDTLS_ENTROPY_C and/or "
            "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
            "MBEDTLS_NET_C and/or MBEDTLS_CTR_DRBG_C and/or not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -463,7 +463,9 @@
 #define USAGE_SERIALIZATION ""
 #endif
 
-#define USAGE \
+/* USAGE is arbitrarily split to stay under the portable string literal
+ * length limit: 4095 bytes in C99. */
+#define USAGE1 \
     "\n usage: ssl_server2 param=<>...\n"                   \
     "\n acceptable parameters:\n"                           \
     "    server_addr=%%s      default: (all interfaces)\n"  \
@@ -484,7 +486,8 @@
     USAGE_COOKIES                                           \
     USAGE_ANTI_REPLAY                                       \
     USAGE_BADMAC_LIMIT                                      \
-    "\n"                                                    \
+    "\n"
+#define USAGE2 \
     "    auth_mode=%%s        default: (library default: none)\n"      \
     "                        options: none, optional, required\n" \
     "    cert_req_ca_list=%%d default: 1 (send ca list)\n"  \
@@ -496,7 +499,8 @@
     USAGE_PSK                                               \
     USAGE_CA_CALLBACK                                       \
     USAGE_ECJPAKE                                           \
-    "\n"                                                    \
+    "\n"
+#define USAGE3 \
     "    allow_legacy=%%d     default: (library default: no)\n"      \
     USAGE_RENEGO                                            \
     "    exchanges=%%d        default: 1\n"                 \
@@ -513,7 +517,8 @@
     USAGE_EMS                                               \
     USAGE_ETM                                               \
     USAGE_CURVES                                            \
-    "\n"                                                    \
+    "\n"
+#define USAGE4 \
     "    arc4=%%d             default: (library default: 0)\n" \
     "    allow_sha1=%%d       default: 0\n"                             \
     "    min_version=%%s      default: (library default: tls1)\n"       \
@@ -1910,7 +1915,10 @@
         if( ret == 0 )
             ret = 1;
 
-        mbedtls_printf( USAGE );
+        mbedtls_printf( USAGE1 );
+        mbedtls_printf( USAGE2 );
+        mbedtls_printf( USAGE3 );
+        mbedtls_printf( USAGE4 );
 
         list = mbedtls_ssl_list_ciphersuites();
         while( *list )
@@ -2409,7 +2417,7 @@
         }
         else if( strcmp( p, "query_config" ) == 0 )
         {
-            return query_config( q );
+            mbedtls_exit( query_config( q ) );
         }
         else if( strcmp( p, "serialize") == 0 )
         {
@@ -4376,7 +4384,7 @@
     if( ret < 0 )
         ret = 1;
 
-    return( ret );
+    mbedtls_exit( ret );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
           MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index 1575930..0c04cd8 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -38,7 +38,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_TIMING_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -101,7 +101,7 @@
 #define OPTIONS                                                         \
     "md4, md5, ripemd160, sha1, sha256, sha512,\n"                      \
     "arc4, des3, des, camellia, blowfish, chacha20,\n"                  \
-    "aes_cbc, aes_gcm, aes_ccm, aes_ctx, chachapoly,\n"                 \
+    "aes_cbc, aes_gcm, aes_ccm, aes_xts, chachapoly,\n"                 \
     "aes_cmac, des3_cmac, poly1305\n"                                   \
     "havege, ctr_drbg, hmac_drbg\n"                                     \
     "rsa, dhm, ecdsa, ecdh.\n"
@@ -1065,7 +1065,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 
 #endif /* MBEDTLS_TIMING_C */
diff --git a/programs/test/query_config.c b/programs/test/query_config.c
index bd3f638..062dce6 100644
--- a/programs/test/query_config.c
+++ b/programs/test/query_config.c
@@ -1426,6 +1426,14 @@
     }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+    if( strcmp( "MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
     if( strcmp( "MBEDTLS_SSL_PROTO_DTLS", config ) == 0 )
     {
@@ -1522,6 +1530,14 @@
     }
 #endif /* MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH */
 
+#if defined(MBEDTLS_TEST_HOOKS)
+    if( strcmp( "MBEDTLS_TEST_HOOKS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_TEST_HOOKS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_TEST_HOOKS */
+
 #if defined(MBEDTLS_THREADING_ALT)
     if( strcmp( "MBEDTLS_THREADING_ALT", config ) == 0 )
     {
@@ -2602,6 +2618,14 @@
     }
 #endif /* MBEDTLS_SSL_CID_PADDING_GRANULARITY */
 
+#if defined(MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY)
+    if( strcmp( "MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY */
+
 #if defined(MBEDTLS_SSL_OUT_CONTENT_LEN)
     if( strcmp( "MBEDTLS_SSL_OUT_CONTENT_LEN", config ) == 0 )
     {
diff --git a/programs/test/selftest.c b/programs/test/selftest.c
index bd28e9a..3fa05f3 100644
--- a/programs/test/selftest.c
+++ b/programs/test/selftest.c
@@ -500,7 +500,5 @@
     if( suites_failed > 0)
         mbedtls_exit( MBEDTLS_EXIT_FAILURE );
 
-    /* return() is here to prevent compiler warnings */
-    return( MBEDTLS_EXIT_SUCCESS );
+    mbedtls_exit( MBEDTLS_EXIT_SUCCESS );
 }
-
diff --git a/programs/test/udp_proxy.c b/programs/test/udp_proxy.c
index d601dcc..94bae43 100644
--- a/programs/test/udp_proxy.c
+++ b/programs/test/udp_proxy.c
@@ -42,6 +42,7 @@
 #define mbedtls_printf          printf
 #define mbedtls_calloc          calloc
 #define mbedtls_free            free
+#define mbedtls_exit            exit
 #define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
 #define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
 #endif /* MBEDTLS_PLATFORM_C */
@@ -50,7 +51,7 @@
 int main( void )
 {
     mbedtls_printf( "MBEDTLS_NET_C not defined.\n" );
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -181,7 +182,7 @@
         mbedtls_printf( " option %s: illegal value: %s\n", name, value );
 
     mbedtls_printf( USAGE );
-    exit( 1 );
+    mbedtls_exit( 1 );
 }
 
 static void get_options( int argc, char *argv[] )
@@ -1019,7 +1020,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 
 #endif /* MBEDTLS_NET_C */
diff --git a/programs/test/zeroize.c b/programs/test/zeroize.c
index 29cc0ac..e61b470 100644
--- a/programs/test/zeroize.c
+++ b/programs/test/zeroize.c
@@ -4,12 +4,10 @@
  * This is a simple test application used for debugger-driven testing to check
  * whether calls to mbedtls_platform_zeroize() are being eliminated by compiler
  * optimizations. This application is used by the GDB script at
- * tests/scripts/test_zeroize.gdb under the assumption that the code does not
- * change often (as opposed to the library code) because the script sets a
- * breakpoint at the last return statement in the main() function of this
- * program. The debugger facilities are then used to manually inspect the
- * memory and verify that the call to mbedtls_platform_zeroize() was not
- * eliminated.
+ * tests/scripts/test_zeroize.gdb: the script sets a breakpoint at the last
+ * return statement in the main() function of this program. The debugger
+ * facilities are then used to manually inspect the memory and verify that the
+ * call to mbedtls_platform_zeroize() was not eliminated.
  *
  *  Copyright (C) 2018, Arm Limited, All Rights Reserved
  *  SPDX-License-Identifier: Apache-2.0
@@ -42,6 +40,7 @@
 #else
 #include <stdlib.h>
 #define mbedtls_printf     printf
+#define mbedtls_exit       exit
 #define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
 #define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif
@@ -72,14 +71,14 @@
     {
         mbedtls_printf( "This program takes exactly 1 agument\n" );
         usage();
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     fp = fopen( argv[1], "r" );
     if( fp == NULL )
     {
         mbedtls_printf( "Could not open file '%s'\n", argv[1] );
-        return( exit_code );
+        mbedtls_exit( exit_code );
     }
 
     while( ( c = fgetc( fp ) ) != EOF && p < end - 1 )
@@ -97,5 +96,5 @@
     fclose( fp );
     mbedtls_platform_zeroize( buf, sizeof( buf ) );
 
-    return( exit_code );
+    mbedtls_exit( exit_code ); // GDB_BREAK_HERE -- don't remove this comment!
 }
diff --git a/programs/util/pem2der.c b/programs/util/pem2der.c
index f184939..f1961a1 100644
--- a/programs/util/pem2der.c
+++ b/programs/util/pem2der.c
@@ -61,7 +61,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_BASE64_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -290,6 +290,6 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BASE64_C && MBEDTLS_FS_IO */
diff --git a/programs/util/strerror.c b/programs/util/strerror.c
index b0487c0..45ddd4e 100644
--- a/programs/util/strerror.c
+++ b/programs/util/strerror.c
@@ -29,7 +29,9 @@
 #include "mbedtls/platform.h"
 #else
 #include <stdio.h>
+#include <stdlib.h>
 #define mbedtls_printf     printf
+#define mbedtls_exit       exit
 #endif
 
 #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
@@ -48,7 +50,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_ERROR_C and/or MBEDTLS_ERROR_STRERROR_DUMMY not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 int main( int argc, char *argv[] )
@@ -59,7 +61,7 @@
     if( argc != 2 )
     {
         mbedtls_printf( USAGE );
-        return( 0 );
+        mbedtls_exit( 0 );
     }
 
     val = strtol( argv[1], &end, 10 );
@@ -87,6 +89,6 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( val );
+    mbedtls_exit( val );
 }
 #endif /* MBEDTLS_ERROR_C */
diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
index 7723a37..1b364dd 100644
--- a/programs/x509/cert_app.c
+++ b/programs/x509/cert_app.c
@@ -51,7 +51,7 @@
            "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_FS_IO and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -497,7 +497,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
           MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
diff --git a/programs/x509/cert_req.c b/programs/x509/cert_req.c
index f3d9157..81e0d8c 100644
--- a/programs/x509/cert_req.c
+++ b/programs/x509/cert_req.c
@@ -46,7 +46,7 @@
             "MBEDTLS_PK_PARSE_C and/or MBEDTLS_SHA256_C and/or "
             "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C "
             "not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -444,7 +444,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_X509_CSR_WRITE_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
           MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_PEM_WRITE_C */
diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
index 9a7dc59..318f226 100644
--- a/programs/x509/cert_write.c
+++ b/programs/x509/cert_write.c
@@ -47,7 +47,7 @@
             "MBEDTLS_FS_IO and/or MBEDTLS_SHA256_C and/or "
             "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
             "MBEDTLS_ERROR_C not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -815,7 +815,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_X509_CRT_WRITE_C && MBEDTLS_X509_CRT_PARSE_C &&
           MBEDTLS_FS_IO && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
diff --git a/programs/x509/crl_app.c b/programs/x509/crl_app.c
index 127320a..cebc724 100644
--- a/programs/x509/crl_app.c
+++ b/programs/x509/crl_app.c
@@ -42,7 +42,7 @@
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_X509_CRL_PARSE_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -147,7 +147,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_X509_CRL_PARSE_C &&
           MBEDTLS_FS_IO */
diff --git a/programs/x509/req_app.c b/programs/x509/req_app.c
index 3bb4277..3182d30 100644
--- a/programs/x509/req_app.c
+++ b/programs/x509/req_app.c
@@ -42,7 +42,7 @@
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
            "MBEDTLS_X509_CSR_PARSE_C and/or MBEDTLS_FS_IO not defined.\n");
-    return( 0 );
+    mbedtls_exit( 0 );
 }
 #else
 
@@ -147,7 +147,7 @@
     fflush( stdout ); getchar();
 #endif
 
-    return( exit_code );
+    mbedtls_exit( exit_code );
 }
 #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_X509_CSR_PARSE_C &&
           MBEDTLS_FS_IO */
diff --git a/scripts/config.py b/scripts/config.py
index 20521a5..7f94587 100755
--- a/scripts/config.py
+++ b/scripts/config.py
@@ -159,45 +159,68 @@
         return active
     return True
 
+# The goal of the full configuration is to have everything that can be tested
+# together. This includes deprecated or insecure options. It excludes:
+# * Options that require additional build dependencies or unusual hardware.
+# * Options that make testing less effective.
+# * Options that are incompatible with other options, or more generally that
+#   interact with other parts of the code in such a way that a bulk enabling
+#   is not a good way to test them.
+# * Options that remove features.
+EXCLUDE_FROM_FULL = frozenset([
+    #pylint: disable=line-too-long
+    'MBEDTLS_CTR_DRBG_USE_128_BIT_KEY', # interacts with ENTROPY_FORCE_SHA256
+    'MBEDTLS_DEPRECATED_REMOVED', # conflicts with deprecated options
+    'MBEDTLS_DEPRECATED_WARNING', # conflicts with deprecated options
+    'MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED', # influences the use of ECDH in TLS
+    'MBEDTLS_ECP_RESTARTABLE', # incompatible with USE_PSA_CRYPTO
+    'MBEDTLS_ENTROPY_FORCE_SHA256', # interacts with CTR_DRBG_128_BIT_KEY
+    'MBEDTLS_HAVE_SSE2', # hardware dependency
+    'MBEDTLS_MEMORY_BACKTRACE', # depends on MEMORY_BUFFER_ALLOC_C
+    'MBEDTLS_MEMORY_BUFFER_ALLOC_C', # makes sanitizers (e.g. ASan) less effective
+    'MBEDTLS_MEMORY_DEBUG', # depends on MEMORY_BUFFER_ALLOC_C
+    'MBEDTLS_NO_64BIT_MULTIPLICATION', # influences anything that uses bignum
+    'MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES', # removes a feature
+    'MBEDTLS_NO_PLATFORM_ENTROPY', # removes a feature
+    'MBEDTLS_NO_UDBL_DIVISION', # influences anything that uses bignum
+    'MBEDTLS_PKCS11_C', # build dependency (libpkcs11-helper)
+    'MBEDTLS_PLATFORM_NO_STD_FUNCTIONS', # removes a feature
+    'MBEDTLS_PSA_CRYPTO_KEY_FILE_ID_ENCODES_OWNER', # platform dependency (PSA SPM) (at this time)
+    'MBEDTLS_PSA_CRYPTO_SPM', # platform dependency (PSA SPM)
+    'MBEDTLS_PSA_INJECT_ENTROPY', # build dependency (hook functions)
+    'MBEDTLS_REMOVE_3DES_CIPHERSUITES', # removes a feature
+    'MBEDTLS_REMOVE_ARC4_CIPHERSUITES', # removes a feature
+    'MBEDTLS_RSA_NO_CRT', # influences the use of RSA in X.509 and TLS
+    'MBEDTLS_SHA512_NO_SHA384', # removes a feature
+    'MBEDTLS_SSL_HW_RECORD_ACCEL', # build dependency (hook functions)
+    'MBEDTLS_TEST_NULL_ENTROPY', # removes a feature
+    'MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION', # influences the use of X.509 in TLS
+    'MBEDTLS_ZLIB_SUPPORT', # build dependency (libz)
+])
+
+def is_seamless_alt(name):
+    """Whether the xxx_ALT symbol should be included in the full configuration.
+
+    Include alternative implementations of platform functions, which are
+    configurable function pointers that default to the built-in function.
+    This way we test that the function pointers exist and build correctly
+    without changing the behavior, and tests can verify that the function
+    pointers are used by modifying those pointers.
+
+    Exclude alternative implementations of library functions since they require
+    an implementation of the relevant functions and an xxx_alt.h header.
+    """
+    if name == 'MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT':
+        # Similar to non-platform xxx_ALT, requires platform_alt.h
+        return False
+    return name.startswith('MBEDTLS_PLATFORM_')
+
 def include_in_full(name):
     """Rules for symbols in the "full" configuration."""
-    if re.search(r'PLATFORM_[A-Z0-9]+_ALT', name):
-        return True
-    if name in [
-            'MBEDTLS_CTR_DRBG_USE_128_BIT_KEY',
-            'MBEDTLS_DEPRECATED_REMOVED',
-            'MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED',
-            'MBEDTLS_ECP_RESTARTABLE',
-            'MBEDTLS_ENTROPY_FORCE_SHA256', # Variant toggle, tested separately
-            'MBEDTLS_HAVE_SSE2',
-            'MBEDTLS_MEMORY_BACKTRACE',
-            'MBEDTLS_MEMORY_BUFFER_ALLOC_C',
-            'MBEDTLS_MEMORY_DEBUG',
-            'MBEDTLS_NO_64BIT_MULTIPLICATION',
-            'MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES',
-            'MBEDTLS_NO_PLATFORM_ENTROPY',
-            'MBEDTLS_NO_UDBL_DIVISION',
-            'MBEDTLS_PKCS11_C',
-            'MBEDTLS_PLATFORM_NO_STD_FUNCTIONS',
-            'MBEDTLS_PSA_CRYPTO_KEY_FILE_ID_ENCODES_OWNER',
-            'MBEDTLS_PSA_CRYPTO_SE_C',
-            'MBEDTLS_PSA_CRYPTO_SPM',
-            'MBEDTLS_PSA_INJECT_ENTROPY',
-            'MBEDTLS_REMOVE_3DES_CIPHERSUITES',
-            'MBEDTLS_REMOVE_ARC4_CIPHERSUITES',
-            'MBEDTLS_RSA_NO_CRT',
-            'MBEDTLS_SHA512_NO_SHA384',
-            'MBEDTLS_SSL_HW_RECORD_ACCEL',
-            'MBEDTLS_SSL_PROTO_SSL3',
-            'MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO',
-            'MBEDTLS_TEST_NULL_ENTROPY',
-            'MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3',
-            'MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION',
-            'MBEDTLS_ZLIB_SUPPORT',
-    ]:
+    if name in EXCLUDE_FROM_FULL:
         return False
     if name.endswith('_ALT'):
-        return False
+        return is_seamless_alt(name)
     return True
 
 def full_adapter(name, active, section):
@@ -206,25 +229,33 @@
         return active
     return include_in_full(name)
 
+# The baremetal configuration excludes options that require a library or
+# operating system feature that is typically not present on bare metal
+# systems. Features that are excluded from "full" won't be in "baremetal"
+# either (unless explicitly turned on in baremetal_adapter) so they don't
+# need to be repeated here.
+EXCLUDE_FROM_BAREMETAL = frozenset([
+    #pylint: disable=line-too-long
+    'MBEDTLS_ENTROPY_NV_SEED', # requires a filesystem and FS_IO or alternate NV seed hooks
+    'MBEDTLS_FS_IO', # requires a filesystem
+    'MBEDTLS_HAVEGE_C', # requires a clock
+    'MBEDTLS_HAVE_TIME', # requires a clock
+    'MBEDTLS_HAVE_TIME_DATE', # requires a clock
+    'MBEDTLS_NET_C', # requires POSIX-like networking
+    'MBEDTLS_PLATFORM_FPRINTF_ALT', # requires FILE* from stdio.h
+    'MBEDTLS_PLATFORM_NV_SEED_ALT', # requires a filesystem and ENTROPY_NV_SEED
+    'MBEDTLS_PLATFORM_TIME_ALT', # requires a clock and HAVE_TIME
+    'MBEDTLS_PSA_CRYPTO_SE_C', # requires a filesystem and PSA_CRYPTO_STORAGE_C
+    'MBEDTLS_PSA_CRYPTO_STORAGE_C', # requires a filesystem
+    'MBEDTLS_PSA_ITS_FILE_C', # requires a filesystem
+    'MBEDTLS_THREADING_C', # requires a threading interface
+    'MBEDTLS_THREADING_PTHREAD', # requires pthread
+    'MBEDTLS_TIMING_C', # requires a clock
+])
+
 def keep_in_baremetal(name):
     """Rules for symbols in the "baremetal" configuration."""
-    if name in [
-            'MBEDTLS_DEPRECATED_WARNING',
-            'MBEDTLS_ENTROPY_NV_SEED',
-            'MBEDTLS_FS_IO',
-            'MBEDTLS_HAVEGE_C',
-            'MBEDTLS_HAVE_TIME',
-            'MBEDTLS_HAVE_TIME_DATE',
-            'MBEDTLS_NET_C',
-            'MBEDTLS_PLATFORM_FPRINTF_ALT',
-            'MBEDTLS_PLATFORM_TIME_ALT',
-            'MBEDTLS_PSA_CRYPTO_SE_C',
-            'MBEDTLS_PSA_CRYPTO_STORAGE_C',
-            'MBEDTLS_PSA_ITS_FILE_C',
-            'MBEDTLS_THREADING_C',
-            'MBEDTLS_THREADING_PTHREAD',
-            'MBEDTLS_TIMING_C',
-    ]:
+    if name in EXCLUDE_FROM_BAREMETAL:
         return False
     return True
 
@@ -233,6 +264,7 @@
     if not is_full_section(section):
         return active
     if name == 'MBEDTLS_NO_PLATFORM_ENTROPY':
+        # No OS-provided entropy source
         return True
     return include_in_full(name) and keep_in_baremetal(name)
 
@@ -243,10 +275,10 @@
        name.startswith('MBEDTLS_KEY_EXCHANGE_'):
         return False
     if name in [
-            'MBEDTLS_CERTS_C',
-            'MBEDTLS_DEBUG_C',
-            'MBEDTLS_NET_C',
-            'MBEDTLS_PKCS11_C',
+            'MBEDTLS_CERTS_C', # part of libmbedx509
+            'MBEDTLS_DEBUG_C', # part of libmbedtls
+            'MBEDTLS_NET_C', # part of libmbedtls
+            'MBEDTLS_PKCS11_C', # part of libmbedx509
     ]:
         return False
     return True
@@ -265,6 +297,28 @@
         return adapter(name, active, section)
     return continuation
 
+DEPRECATED = frozenset([
+    'MBEDTLS_SSL_PROTO_SSL3',
+    'MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO',
+])
+
+def no_deprecated_adapter(adapter):
+    """Modify an adapter to disable deprecated symbols.
+
+    ``no_deprecated_adapter(adapter)(name, active, section)`` is like
+    ``adapter(name, active, section)``, but unsets all deprecated symbols
+    and sets ``MBEDTLS_DEPRECATED_REMOVED``.
+    """
+    def continuation(name, active, section):
+        if name == 'MBEDTLS_DEPRECATED_REMOVED':
+            return True
+        if name in DEPRECATED:
+            return False
+        if adapter is None:
+            return active
+        return adapter(name, active, section)
+    return continuation
+
 class ConfigFile(Config):
     """Representation of the Mbed TLS configuration read for a file.
 
@@ -430,6 +484,10 @@
                     Exclude alternative implementations and platform support
                     options, as well as some options that are awkward to test.
                     """)
+        add_adapter('full_no_deprecated', no_deprecated_adapter(full_adapter),
+                    """Uncomment most non-deprecated features.
+                    Like "full", but without deprecated features.
+                    """)
         add_adapter('realfull', realfull_adapter,
                     """Uncomment all boolean #defines.
                     Suitable for generating documentation, but not for building.""")
diff --git a/scripts/data_files/error.fmt b/scripts/data_files/error.fmt
index 97b74bc..f65881b 100644
--- a/scripts/data_files/error.fmt
+++ b/scripts/data_files/error.fmt
@@ -45,7 +45,6 @@
 const char * mbedtls_high_level_strerr( int error_code )
 {
     int high_level_error_code;
-    const char *error_description = NULL;
 
     if( error_code < 0 )
         error_code = -error_code;
@@ -63,13 +62,12 @@
             break;
     }
 
-    return error_description;
+    return( NULL );
 }
 
 const char * mbedtls_low_level_strerr( int error_code )
 {
     int low_level_error_code;
-    const char *error_description = NULL;
 
     if( error_code < 0 )
         error_code = -error_code;
@@ -87,7 +85,7 @@
             break;
     }
 
-    return error_description;
+    return( NULL );
 }
 
 void mbedtls_strerror( int ret, char *buf, size_t buflen )
diff --git a/scripts/data_files/vs2010-app-template.vcxproj b/scripts/data_files/vs2010-app-template.vcxproj
index aae07b5..039fd09 100644
--- a/scripts/data_files/vs2010-app-template.vcxproj
+++ b/scripts/data_files/vs2010-app-template.vcxproj
@@ -89,11 +89,9 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 INCLUDE_DIRECTORIES
       </AdditionalIncludeDirectories>
@@ -101,7 +99,6 @@
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <ShowProgress>NotSet</ShowProgress>
       <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>Debug</AdditionalLibraryDirectories>
     </Link>
@@ -111,11 +108,9 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 INCLUDE_DIRECTORIES
       </AdditionalIncludeDirectories>
@@ -123,7 +118,6 @@
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <ShowProgress>NotSet</ShowProgress>
       <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>Debug</AdditionalLibraryDirectories>
     </Link>
@@ -134,12 +128,10 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 INCLUDE_DIRECTORIES
       </AdditionalIncludeDirectories>
@@ -156,12 +148,10 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN64;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 INCLUDE_DIRECTORIES
       </AdditionalIncludeDirectories>
diff --git a/scripts/data_files/vs2010-main-template.vcxproj b/scripts/data_files/vs2010-main-template.vcxproj
index d3c8764..c0f3a3c 100644
--- a/scripts/data_files/vs2010-main-template.vcxproj
+++ b/scripts/data_files/vs2010-main-template.vcxproj
@@ -45,7 +45,6 @@
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -81,11 +80,9 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;MBEDTLS_EXPORTS;KRML_VERIFIED_UINT128;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_USRDLL;MBEDTLS_EXPORTS;KRML_VERIFIED_UINT128;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 INCLUDE_DIRECTORIES
       </AdditionalIncludeDirectories>
@@ -98,11 +95,9 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;MBEDTLS_EXPORTS;KRML_VERIFIED_UINT128;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_USRDLL;MBEDTLS_EXPORTS;KRML_VERIFIED_UINT128;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 INCLUDE_DIRECTORIES
       </AdditionalIncludeDirectories>
@@ -116,12 +111,10 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;MBEDTLS_EXPORTS;KRML_VERIFIED_UINT128;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;_USRDLL;MBEDTLS_EXPORTS;KRML_VERIFIED_UINT128;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 INCLUDE_DIRECTORIES
       </AdditionalIncludeDirectories>
@@ -136,8 +129,6 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
diff --git a/scripts/generate_errors.pl b/scripts/generate_errors.pl
index cb59669..150e10e 100755
--- a/scripts/generate_errors.pl
+++ b/scripts/generate_errors.pl
@@ -48,12 +48,16 @@
 $/ = $line_separator;
 
 my @files = <$include_dir/*.h>;
+my @necessary_include_files;
 my @matches;
 foreach my $file (@files) {
     open(FILE, "$file");
     my @grep_res = grep(/^\s*#define\s+MBEDTLS_ERR_\w+\s+\-0x[0-9A-Fa-f]+/, <FILE>);
     push(@matches, @grep_res);
     close FILE;
+    my $include_name = $file;
+    $include_name =~ s!.*/!!;
+    push @necessary_include_files, $include_name if @grep_res;
 }
 
 my $ll_old_define = "";
@@ -63,10 +67,10 @@
 my $hl_code_check = "";
 
 my $headers = "";
+my %included_headers;
 
 my %error_codes_seen;
 
-
 foreach my $line (@matches)
 {
     next if ($line =~ /compat-1.2.h/);
@@ -97,11 +101,12 @@
 
     my $include_name = $module_name;
     $include_name =~ tr/A-Z/a-z/;
-    $include_name = "" if ($include_name eq "asn1");
 
     # Fix faulty ones
     $include_name = "net_sockets" if ($module_name eq "NET");
 
+    $included_headers{"${include_name}.h"} = $module_name;
+
     my $found_ll = grep $_ eq $module_name, @low_level_modules;
     my $found_hl = grep $_ eq $module_name, @high_level_modules;
     if (!$found_ll && !$found_hl)
@@ -161,8 +166,7 @@
     }
 
     ${$code_check} .= "${white_space}case -($error_name):\n".
-                      "${white_space}    error_description = \"$module_name - $description\";\n".
-                      "${white_space}    break;\n"
+                      "${white_space}    return( \"$module_name - $description\" );\n"
 };
 
 if ($ll_old_define ne "")
@@ -195,3 +199,15 @@
 open(ERROR_FILE, ">$error_file") or die "Opening destination file '$error_file': $!";
 print ERROR_FILE $error_format;
 close(ERROR_FILE);
+
+my $errors = 0;
+for my $include_name (@necessary_include_files)
+{
+    if (not $included_headers{$include_name})
+    {
+        print STDERR "The header file \"$include_name\" defines error codes but has not been included!\n";
+        ++$errors;
+    }
+}
+
+exit !!$errors;
diff --git a/scripts/generate_psa_constants.py b/scripts/generate_psa_constants.py
index c6bd9b6..175cd9f 100755
--- a/scripts/generate_psa_constants.py
+++ b/scripts/generate_psa_constants.py
@@ -1,13 +1,19 @@
 #!/usr/bin/env python3
 
-"""Generate programs/psa/psa_constant_names_generated.c
+"""Generate psa_constant_names_generated.c
 which is included by programs/psa/psa_constant_names.c.
 The code generated by this module is only meant to be used in the context
 of that program.
+
+An argument passed to this script will modify the output directory where the
+file is written:
+* by default (no arguments passed): writes to programs/psa/
+* OUTPUT_FILE_DIR passed: writes to OUTPUT_FILE_DIR/
 """
 
 import os
 import re
+import sys
 
 OUTPUT_TEMPLATE = '''\
 /* Automatically generated by generate_psa_constant.py. DO NOT EDIT. */
@@ -395,6 +401,8 @@
 if __name__ == '__main__':
     if not os.path.isdir('programs') and os.path.isdir('../programs'):
         os.chdir('..')
+    # Allow to change the directory where psa_constant_names_generated.c is written to.
+    OUTPUT_FILE_DIR = sys.argv[1] if len(sys.argv) == 2 else "programs/psa"
     generate_psa_constants(['include/psa/crypto_values.h',
                             'include/psa/crypto_extra.h'],
-                           'programs/psa/psa_constant_names_generated.c')
+                           OUTPUT_FILE_DIR + '/psa_constant_names_generated.c')
diff --git a/scripts/output_env.sh b/scripts/output_env.sh
index 04edc38..3545279 100755
--- a/scripts/output_env.sh
+++ b/scripts/output_env.sh
@@ -13,6 +13,7 @@
 # This includes:
 #   - architecture of the system
 #   - type and version of the operating system
+#   - version of make and cmake
 #   - version of armcc, clang, gcc-arm and gcc compilers
 #   - version of libc, clang, asan and valgrind if installed
 #   - version of gnuTLS and OpenSSL
@@ -71,6 +72,12 @@
 echo "** Tool Versions:"
 echo
 
+print_version "make" "--version" "" "head -n 1"
+echo
+
+print_version "cmake" "--version" "" "head -n 1"
+echo
+
 if [ "${RUN_ARMCC:-1}" -ne 0 ]; then
     : "${ARMC5_CC:=armcc}"
     print_version "$ARMC5_CC" "--vsn" "" "head -n 2"
@@ -105,6 +112,9 @@
 print_version "python" "--version" "" "head -n 1"
 echo
 
+print_version "python3" "--version" "" "head -n 1"
+echo
+
 # Find the installed version of Pylint. Installed as a distro package this can
 # be pylint3 and as a PEP egg, pylint. In test scripts We prefer pylint over
 # pylint3
diff --git a/scripts/windows_msbuild.bat b/scripts/windows_msbuild.bat
new file mode 100644
index 0000000..e419931
--- /dev/null
+++ b/scripts/windows_msbuild.bat
@@ -0,0 +1,20 @@
+@rem Build and test Mbed TLS with Visual Studio using msbuild.
+@rem Usage: windows_msbuild [RETARGET]
+@rem   RETARGET: version of Visual Studio to emulate
+@rem             https://docs.microsoft.com/en-us/cpp/build/how-to-modify-the-target-framework-and-platform-toolset
+
+@rem These parameters are hard-coded for now.
+set "arch=x64" & @rem "x86" or "x64"
+set "cfg=Release" & @rem "Debug" or "Release"
+set "vcvarsall=C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Auxiliary\Build\vcvarsall.bat"
+
+if not "%~1"=="" set "retarget=,PlatformToolset=%1"
+
+@rem If the %USERPROFILE%\Source directory exists, then running
+@rem vcvarsall.bat will silently change the directory to that directory.
+@rem Setting the VSCMD_START_DIR environment variable causes it to change
+@rem to that directory instead.
+set "VSCMD_START_DIR=%~dp0\..\visualc\VS2010"
+
+"%vcvarsall%" x64 && ^
+msbuild /t:Rebuild /p:Configuration=%cfg%%retarget% /m mbedTLS.sln
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 14a7b7e..bd5ed83 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -17,9 +17,8 @@
     set(libs ${libs} ${ZLIB_LIBRARIES})
 endif(ENABLE_ZLIB_SUPPORT)
 
-find_package(PythonInterp)
-if(NOT PYTHONINTERP_FOUND)
-    message(FATAL_ERROR "Cannot build test suites without Python 2 or 3")
+if(NOT MBEDTLS_PYTHON_EXECUTABLE)
+    message(FATAL_ERROR "Cannot build test suites without Python 3")
 endif()
 
 # Enable definition of various functions used throughout the testsuite
@@ -43,7 +42,7 @@
 
     add_custom_command(
         OUTPUT test_suite_${data_name}.c
-        COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_code.py -f ${CMAKE_CURRENT_SOURCE_DIR}/suites/test_suite_${suite_name}.function -d ${CMAKE_CURRENT_SOURCE_DIR}/suites/test_suite_${data_name}.data -t ${CMAKE_CURRENT_SOURCE_DIR}/suites/main_test.function -p ${CMAKE_CURRENT_SOURCE_DIR}/suites/host_test.function -s ${CMAKE_CURRENT_SOURCE_DIR}/suites --helpers-file ${CMAKE_CURRENT_SOURCE_DIR}/suites/helpers.function -o .
+        COMMAND ${MBEDTLS_PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_code.py -f ${CMAKE_CURRENT_SOURCE_DIR}/suites/test_suite_${suite_name}.function -d ${CMAKE_CURRENT_SOURCE_DIR}/suites/test_suite_${data_name}.data -t ${CMAKE_CURRENT_SOURCE_DIR}/suites/main_test.function -p ${CMAKE_CURRENT_SOURCE_DIR}/suites/host_test.function -s ${CMAKE_CURRENT_SOURCE_DIR}/suites --helpers-file ${CMAKE_CURRENT_SOURCE_DIR}/suites/helpers.function -o .
         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_code.py mbedtls ${CMAKE_CURRENT_SOURCE_DIR}/suites/helpers.function ${CMAKE_CURRENT_SOURCE_DIR}/suites/main_test.function ${CMAKE_CURRENT_SOURCE_DIR}/suites/host_test.function ${CMAKE_CURRENT_SOURCE_DIR}/suites/test_suite_${suite_name}.function ${CMAKE_CURRENT_SOURCE_DIR}/suites/test_suite_${data_name}.data
     )
 
diff --git a/tests/data_files/base64/cli_ciphersuite.txt b/tests/data_files/base64/cli_ciphersuite.txt
index 432978d..bf36470 100644
--- a/tests/data_files/base64/cli_ciphersuite.txt
+++ b/tests/data_files/base64/cli_ciphersuite.txt
@@ -1,2 +1,2 @@
 // TLS-RSA-WITH-AES-256-CCM-8
-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
\ No newline at end of file
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
diff --git a/tests/data_files/base64/cli_def.txt b/tests/data_files/base64/cli_def.txt
index ee47905..793da2b 100644
--- a/tests/data_files/base64/cli_def.txt
+++ b/tests/data_files/base64/cli_def.txt
@@ -1,2 +1,2 @@
 // Client context with default MbedTLS configuration
-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
\ No newline at end of file
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
diff --git a/tests/data_files/base64/cli_min_cfg.txt b/tests/data_files/base64/cli_min_cfg.txt
index 8c1ef88..152b474 100644
--- a/tests/data_files/base64/cli_min_cfg.txt
+++ b/tests/data_files/base64/cli_min_cfg.txt
@@ -1,2 +1,2 @@
 // Minimal configuration
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\ No newline at end of file
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diff --git a/tests/data_files/base64/cli_no_keep_cert.txt b/tests/data_files/base64/cli_no_keep_cert.txt
index 5272a7c..76d0c3c 100644
--- a/tests/data_files/base64/cli_no_keep_cert.txt
+++ b/tests/data_files/base64/cli_no_keep_cert.txt
@@ -1,2 +1,2 @@
 // Without MBEDTLS_SSL_KEEP_PEER_CERTIFICATE
-AhUAAAMAAAAAAACCAAAAAF6MKhTMqAAgSKCqXrcrmjqOBpxsGO3itQB09YgsSJwXmZB12QlB+wwhiof0mzAN0hupkLxu4Yyc9SgyFoEDPKJk8TiRo8bO2rkEfPItB5lUFkJwzdeuGVMAAAAABiCAy8MWqlj4vnIv0mswJvB35hyCOYWZ+fcZ6t5LzZgXPl6MKhRs69b+psiGUAo8OK3fU4HKOHNdi36tk22+ScctXowqFEyvzGcvbtI0VfWLKlOlDv+SwC08ZdCNa+RBZ/AAAAEAAAAAAAIAAA==
\ No newline at end of file
+AhUAAAMAAAAAAACCAAAAAF6MKhTMqAAgSKCqXrcrmjqOBpxsGO3itQB09YgsSJwXmZB12QlB+wwhiof0mzAN0hupkLxu4Yyc9SgyFoEDPKJk8TiRo8bO2rkEfPItB5lUFkJwzdeuGVMAAAAABiCAy8MWqlj4vnIv0mswJvB35hyCOYWZ+fcZ6t5LzZgXPl6MKhRs69b+psiGUAo8OK3fU4HKOHNdi36tk22+ScctXowqFEyvzGcvbtI0VfWLKlOlDv+SwC08ZdCNa+RBZ/AAAAEAAAAAAAIAAA==
diff --git a/tests/data_files/base64/cli_no_mfl.txt b/tests/data_files/base64/cli_no_mfl.txt
index 5c1dfd9..0d06891 100644
--- a/tests/data_files/base64/cli_no_mfl.txt
+++ b/tests/data_files/base64/cli_no_mfl.txt
@@ -1,2 +1,2 @@
 // Without MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
-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
\ No newline at end of file
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
diff --git a/tests/data_files/base64/cli_no_packing.txt b/tests/data_files/base64/cli_no_packing.txt
index 068276b..112b1b6 100644
--- a/tests/data_files/base64/cli_no_packing.txt
+++ b/tests/data_files/base64/cli_no_packing.txt
@@ -1,2 +1,2 @@
 // Without DTLS packing
-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
\ No newline at end of file
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
diff --git a/tests/data_files/base64/mfl_1024.txt b/tests/data_files/base64/mfl_1024.txt
index 58dbe5f..b56044a 100644
--- a/tests/data_files/base64/mfl_1024.txt
+++ b/tests/data_files/base64/mfl_1024.txt
@@ -1,2 +1,2 @@
 // MFL=1024
-AhUAAH8AAA4AAABtAAAAAF6K+GLMqAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHeeQKPVt9RpB8nLTB6C2AhxRzB0r/OBbXbMPm6jb1rkR+qrXZAUFRvGfGxlqqGWwAAACAAAAAAAAAAAAAAAIAAV6K+GJIXNnpKTr9HZQW6WEH7YSYhhRRqOO6xvf8QL6/Xor4YhOxOJYk23w3AwDvVAofeWnVAfJnExe5ipdSxnAAAAAAAAAAAAAAAAEAAAAAAAAAAwAAAQAAAAAAAgAAAA===
\ No newline at end of file
+AhUAAH8AAA4AAABtAAAAAF6K+GLMqAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHeeQKPVt9RpB8nLTB6C2AhxRzB0r/OBbXbMPm6jb1rkR+qrXZAUFRvGfGxlqqGWwAAACAAAAAAAAAAAAAAAIAAV6K+GJIXNnpKTr9HZQW6WEH7YSYhhRRqOO6xvf8QL6/Xor4YhOxOJYk23w3AwDvVAofeWnVAfJnExe5ipdSxnAAAAAAAAAAAAAAAAEAAAAAAAAAAwAAAQAAAAAAAgAAAA===
diff --git a/tests/data_files/base64/mtu_10000.txt b/tests/data_files/base64/mtu_10000.txt
index dc7c975..6764539 100644
--- a/tests/data_files/base64/mtu_10000.txt
+++ b/tests/data_files/base64/mtu_10000.txt
@@ -1,2 +1,2 @@
 // MTU=10000
-AhUAAH8AAA4AAABtAAAAAF6LDkzMqAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABx06kxYooMLGPyUMoB46EF2zTJzmZEM4le5aKihcHpFEfgrX/eWQZFWa7cak79ihwAAACAAAAAAAAAAAAAAAAAAV6LDkz9bigMk9q0WiDmgYhX8ppbfgbtMCfruvVQNiFWXosOTJ3R2+J+TaSChmjtS8sD+y1Zruhe/SJE7y9D+5YAAAAAAAAAAAAAAAEAAAAAAAAAAwAAAQAAAAAAAicQAA==
\ No newline at end of file
+AhUAAH8AAA4AAABtAAAAAF6LDkzMqAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABx06kxYooMLGPyUMoB46EF2zTJzmZEM4le5aKihcHpFEfgrX/eWQZFWa7cak79ihwAAACAAAAAAAAAAAAAAAAAAV6LDkz9bigMk9q0WiDmgYhX8ppbfgbtMCfruvVQNiFWXosOTJ3R2+J+TaSChmjtS8sD+y1Zruhe/SJE7y9D+5YAAAAAAAAAAAAAAAEAAAAAAAAAAwAAAQAAAAAAAicQAA==
diff --git a/tests/data_files/base64/srv_ciphersuite.txt b/tests/data_files/base64/srv_ciphersuite.txt
index 5ddca63..7e93906 100644
--- a/tests/data_files/base64/srv_ciphersuite.txt
+++ b/tests/data_files/base64/srv_ciphersuite.txt
@@ -1,2 +1,2 @@
 // TLS-RSA-WITH-AES-256-CCM-8
-AhUAAH8AAA4AAABtAAAAAF6K4ynAoQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADLBIQUrrPh7jxYz9e55cJvfpOkuBf2ZiVovlYa1Dkwbimp5q/CoWIn48C0x3Yj6N0AAACAAAAAAAAAAAAAAAAAAV6K4yksMvMV19qRq+eNokGn0j9Q5tjE88EK8jfM7gksXorjKR6zhXhttFGIFkNNAmmKuuDQGVmX1yCoHiJFonUAAAAAAAAAAAAAAAEAAAAAAAAAAwAAAQAAAAAAAgAAAA==
\ No newline at end of file
+AhUAAH8AAA4AAABtAAAAAF6K4ynAoQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADLBIQUrrPh7jxYz9e55cJvfpOkuBf2ZiVovlYa1Dkwbimp5q/CoWIn48C0x3Yj6N0AAACAAAAAAAAAAAAAAAAAAV6K4yksMvMV19qRq+eNokGn0j9Q5tjE88EK8jfM7gksXorjKR6zhXhttFGIFkNNAmmKuuDQGVmX1yCoHiJFonUAAAAAAAAAAAAAAAEAAAAAAAAAAwAAAQAAAAAAAgAAAA==
diff --git a/tests/data_files/base64/srv_min_cfg.txt b/tests/data_files/base64/srv_min_cfg.txt
index 8be0288..77272f5 100644
--- a/tests/data_files/base64/srv_min_cfg.txt
+++ b/tests/data_files/base64/srv_min_cfg.txt
@@ -1,2 +1,2 @@
 // Minimal configuration
-AhUAAAMAAAAAAABjAAAAAF6LZlLMqAAgUGktPmpSPbzRPipeCpYJtp5SNIIjTr3R121WF9AeWN4tmKbRhhv+yPMjY0yWPrHLy7lLLhwNFBwCD6eQ0ULZZ15Fi2Rhae/4ZkAR0BN2iCMAAACAAAAAXotmUkMC6aU6s7O5InjmEEeg4ySLZkNDf0Ut/s06/cBei2ZS+kkKS3sJso2u418jlrlKiesyUOW+xXwOD8bYZQAAAQAAAAAAAgAA
\ No newline at end of file
+AhUAAAMAAAAAAABjAAAAAF6LZlLMqAAgUGktPmpSPbzRPipeCpYJtp5SNIIjTr3R121WF9AeWN4tmKbRhhv+yPMjY0yWPrHLy7lLLhwNFBwCD6eQ0ULZZ15Fi2Rhae/4ZkAR0BN2iCMAAACAAAAAXotmUkMC6aU6s7O5InjmEEeg4ySLZkNDf0Ut/s06/cBei2ZS+kkKS3sJso2u418jlrlKiesyUOW+xXwOD8bYZQAAAQAAAAAAAgAA
diff --git a/tests/data_files/base64/srv_no_alpn.txt b/tests/data_files/base64/srv_no_alpn.txt
index afc51f9..10ddd0c 100644
--- a/tests/data_files/base64/srv_no_alpn.txt
+++ b/tests/data_files/base64/srv_no_alpn.txt
@@ -1,2 +1,2 @@
 // Without MBEDTLS_SSL_ALPN
-AhUAAH8AAAYAAABtAAAAAF6LDSzMqAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB1lCUO8B/805UzCOLZzWDAEA8anfLpbuWTrnFSR2puZktvEiR8nXdATN0yKS94oSAAAACAAAAAAAAAAAAAAAAAAV6LDSwWt0QWgmNg4Zv2yYhf4Pdexpi/QTIqWyD2AQVjXosNLLK1vz/upFHrJlizjH5uSBUJCpQZJczrBgxBmGoAAAAAAAAAAAAAAAEAAAAAAAAAAwAAAQAAAAAAAgAA
\ No newline at end of file
+AhUAAH8AAAYAAABtAAAAAF6LDSzMqAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB1lCUO8B/805UzCOLZzWDAEA8anfLpbuWTrnFSR2puZktvEiR8nXdATN0yKS94oSAAAACAAAAAAAAAAAAAAAAAAV6LDSwWt0QWgmNg4Zv2yYhf4Pdexpi/QTIqWyD2AQVjXosNLLK1vz/upFHrJlizjH5uSBUJCpQZJczrBgxBmGoAAAAAAAAAAAAAAAEAAAAAAAAAAwAAAQAAAAAAAgAA
diff --git a/tests/data_files/base64/srv_no_mfl.txt b/tests/data_files/base64/srv_no_mfl.txt
index c684ec7..e254403 100644
--- a/tests/data_files/base64/srv_no_mfl.txt
+++ b/tests/data_files/base64/srv_no_mfl.txt
@@ -1,2 +1,2 @@
 // Without MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
-AhUAAHcAAA4AAABsAAAAAF6LDLPMqAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA0fzGzO1ysljMgZr4gduigvRXr2AK5X8j8c6vHTOpc2ncFS3UN2ojwD2tOaM3+/XIAAACAAAAAAAAAAAAAAAABXosMs1xs+Mj8BIL6v01qtHWV7w+psxGwLctaGSSL0aZeiwyzskPeDCL0isOzh+JoPgzS/mVtMc0GykGpZaFBugAAAAAAAAAAAAAAAQAAAAAAAAADAAABAAAAAAACAAAA
\ No newline at end of file
+AhUAAHcAAA4AAABsAAAAAF6LDLPMqAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA0fzGzO1ysljMgZr4gduigvRXr2AK5X8j8c6vHTOpc2ncFS3UN2ojwD2tOaM3+/XIAAACAAAAAAAAAAAAAAAABXosMs1xs+Mj8BIL6v01qtHWV7w+psxGwLctaGSSL0aZeiwyzskPeDCL0isOzh+JoPgzS/mVtMc0GykGpZaFBugAAAAAAAAAAAAAAAQAAAAAAAAADAAABAAAAAAACAAAA
diff --git a/tests/data_files/base64/v2.19.1.txt b/tests/data_files/base64/v2.19.1.txt
index b910e33..c07bd9d 100644
--- a/tests/data_files/base64/v2.19.1.txt
+++ b/tests/data_files/base64/v2.19.1.txt
@@ -1,2 +1,2 @@
-// Context creaded by MbedTLS v.2.19.1 
-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
\ No newline at end of file
+// Context creaded by MbedTLS v.2.19.1
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
diff --git a/tests/data_files/bitstring-in-dn.pem b/tests/data_files/bitstring-in-dn.pem
index 1a98aa3..c50bd66 100644
--- a/tests/data_files/bitstring-in-dn.pem
+++ b/tests/data_files/bitstring-in-dn.pem
@@ -1,51 +1,51 @@
------BEGIN CERTIFICATE-----
-MIIEATCCAumgAwIBAgIBAjANBgkqhkiG9w0BAQUFADBxMRMwEQYDVQQDDApUZXN0
-IENBIDAxMREwDwYDVQQIDAhFY25pdm9ycDELMAkGA1UEBhMCWFgxHjAcBgkqhkiG
-9w0BCQEWD3RjYUBleGFtcGxlLmNvbTEaMBgGA1UECgwRVGVzdCBDQSBBdXRob3Jp
-dHkwHhcNMTUwMzExMTIwNjUxWhcNMjUwMzA4MTIwNjUxWjCBmzELMAkGA1UEBhMC
-WFgxDDAKBgNVBAoMA3RjYTERMA8GA1UECAwIRWNuaXZvcnAxDDAKBgNVBAsMA1RD
-QTEPMA0GA1UEAwwGQ2xpZW50MSEwHwYJKoZIhvcNAQkBFhJjbGllbnRAZXhhbXBs
-ZS5jb20xEzARBgNVBAUTCjcxMDEwMTIyNTUxFDASBgNVBC0DCwA3MTAxMDEyMjU1
-MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnQS0JLb8Dqy8V2mszkWk
-V8c/NPQcG3ivueXZHqOT9JTiPqrigGcLHtlmlaJ0aUUxix7q60aOds041TFyeknT
-SUFYY4ppOhiP+fOpWKPv4ZMwhSI2XzcgYhQSNHV0lIG1we9RAAfumomDMq7oMJhb
-EGf0ihibbwZXPUwBlm10GaB4K93PNY8Bz4ekBxzQ1WJkQ5LGsQnVZSuLnvp5dWSe
-J2axxyY4hPXR30jzEyZvy4kv4nzAu5lqZ5XKLrRO4TKwZrtr+CCPVkPJRE36rWYt
-tQaJEEpNOo0ZPpTtG6F8/tGh5r8jFx/f6wG+nyANJJ98kEP8i6TPjRrg+697mLcd
-iQIDAQABo3kwdzAJBgNVHRMEAjAAMDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9j
-cmwuZXhhbXBsZS5jb20vdGVzdF9jYV8wMS5jcmwwEwYDVR0lBAwwCgYIKwYBBQUH
-AwIwHQYDVR0RBBYwFIESY2xpZW50QGV4YW1wbGUuY29tMA0GCSqGSIb3DQEBBQUA
-A4IBAQBySELCnU8/PtGIG3dwhJENOSU5R7w8jpRXxHCuSBR+W6nuUCISz+z+EdF/
-A7AOJDASuS+4gkrSSmQhGFpf7E5VbF8trVZhLAZrXqKMcUreKH6v0I8MAUXmIs3G
-tqiBGf7pSYJN9DvVOOgANjdy6THuUzYv5qSvBZ4pNYEfHSlMNrV7niynd8dgPOML
-pA7GUfv5k2mMkMbSD15pTMgcavrBKYgyqcvF1C3qghfoL5+i38H8sKzF8hy7wHtE
-ESHtBq20RYA3m0UcA0e64GcanO2Ps/AQVBc7qMeHbqnqj3uUhtTkQcMUWnMgy1NR
-5RbzoLMOxq7hoOCyIaQeM/wgxeGE
------END CERTIFICATE-----
------BEGIN RSA PRIVATE KEY-----
-MIIEpAIBAAKCAQEAnQS0JLb8Dqy8V2mszkWkV8c/NPQcG3ivueXZHqOT9JTiPqri
-gGcLHtlmlaJ0aUUxix7q60aOds041TFyeknTSUFYY4ppOhiP+fOpWKPv4ZMwhSI2
-XzcgYhQSNHV0lIG1we9RAAfumomDMq7oMJhbEGf0ihibbwZXPUwBlm10GaB4K93P
-NY8Bz4ekBxzQ1WJkQ5LGsQnVZSuLnvp5dWSeJ2axxyY4hPXR30jzEyZvy4kv4nzA
-u5lqZ5XKLrRO4TKwZrtr+CCPVkPJRE36rWYttQaJEEpNOo0ZPpTtG6F8/tGh5r8j
-Fx/f6wG+nyANJJ98kEP8i6TPjRrg+697mLcdiQIDAQABAoIBAF7i3MnjGmbz080v
-OxJb23iAG54wdlvTjr3UPGTbjSmcXyxnsADQRFQcJHYAekCzY8EiqewL80OvuMx8
-2SU1P81hA70Dg5tsBHWT3Z6HUwsKG6QYjKr1cUhTwLyazhyAVgogSN6v7GzO9M3I
-DOBw8Xb0mz5oqGVre4S7TapN8n8ZG5oWm0XKGACXy0KbzY0KvWdkUzumFQ8X/ARE
-FsWyu+O69EbMqZRUKu45SrcubsdVGjOwseZHkmp5V6pc6Q/OrTHZqXJtDva5UIRq
-+Lof5scy9jiwwRnM/klvh23mz0ySU4YA3645m5KqyWR4YJCR1MnMANmXUSeYWfYz
-19+R1gECgYEAzm83lI7eIhTH38H0/jFpf3R7vNjPX3TR5waa4EXsCxhTOpoL89mR
-iNmzH0aOC4OR8rz/9PCnwmtH1lyQ4r/RokBmCp3pBxeWSlenFfV3rLCeEDo0Q/OL
-SX5DL4IbZD0VmNDt606WS7AEv93GhpN03Anw6kgHQUm1l030PR9DYZECgYEAwrgO
-/RyB/Ehw7smlysZb2sn1lvd6z8fg+pcu8ZNRKODaYCCOb8p1lnHrnIQdEmjhlmVp
-HAEuJ5jxCb+lyruV+dlx+0W/p6lHtKr0iBHG8EFkHnjN6Y+59Qu0HfSm0pZw7Ftr
-QcUDPuDJkTVUAvrZqciWlwzTWCC9KYXtasT+AHkCgYEAnP80dAUbpyvKvr/RxShr
-JYW/PWZegChmIp+BViOXWvDLC3xwrqm+5yc59QVBrjwH2WYn+26zB0dzwPFxNyHP
-GuiDMnvZ54zmve9foXGn7Gv+KjU53pvwSJqAGjeHAXr7W9c5uoVwBGv/kLPn8h1e
-+KGO2X6iFeMq+cFNiNan9iECgYBj+oGnsKWFVeS2ls8LyMGNGzmAZF2opiZ8RHgU
-DeIULS+zP8Qi3j92GdQyLxuGQlfiEvvfJzP9nOfWa5LC/4JIIUAHFo8LlT1+JHEe
-FJKi9dBkXP7NN8DxcyruXpnxctFUarQttuytslmMt2cFiKuOI7I+qJUzoMu/sEZx
-FeidcQKBgQCuralmtbl4nxjn3aR/ZgFTAKCL9WaJPh5hFJ9q4UuWxJdBX5z3Ey3/
-70ehLKYPumjmZtXynzz4BTWj1W9X+tgj/499uzV6LdQERGjT6WVy8xR9RELWW0an
-N9N1IAc4qTSjbI4EIMwMBSAoFfCux/jfDkG4g+RDnpV92sqxz2CtKg==
------END RSA PRIVATE KEY-----
\ No newline at end of file
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/tests/data_files/non-ascii-string-in-issuer.crt b/tests/data_files/non-ascii-string-in-issuer.crt
new file mode 100644
index 0000000..99db871
--- /dev/null
+++ b/tests/data_files/non-ascii-string-in-issuer.crt
@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tests/data_files/test-ca.server1.opensslconf b/tests/data_files/test-ca.server1.opensslconf
index 4a5072e..209b0ff 100644
--- a/tests/data_files/test-ca.server1.opensslconf
+++ b/tests/data_files/test-ca.server1.opensslconf
@@ -1,6 +1,6 @@
  [ ca ]
  default_ca             = test-ca
- 
+
  [ test-ca ]
  certificate            = test-ca.crt
  private_key            = test-ca.key
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 5b70caa..d911d49 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -138,6 +138,7 @@
     : ${OUT_OF_SOURCE_DIR:=./mbedtls_out_of_source_build}
     : ${ARMC5_BIN_DIR:=/usr/bin}
     : ${ARMC6_BIN_DIR:=/usr/bin}
+    : ${ARM_NONE_EABI_GCC_PREFIX:=arm-none-eabi-}
 
     # if MAKEFLAGS is not set add the -j option to speed up invocations of make
     if [ -z "${MAKEFLAGS+set}" ]; then
@@ -203,6 +204,9 @@
   -k|--keep-going       Run all tests and report errors at the end.
   -m|--memory           Additional optional memory tests.
      --append-outcome   Append to the outcome file (if used).
+     --arm-none-eabi-gcc-prefix=<string>
+                        Prefix for a cross-compiler for arm-none-eabi
+                        (default: "${ARM_NONE_EABI_GCC_PREFIX}")
      --armcc            Run ARM Compiler builds (on by default).
      --except           Exclude the COMPONENTs listed on the command line,
                         instead of running only those.
@@ -295,9 +299,13 @@
 {
     FLAGS="$1"
 
-    msg "build: ARM Compiler 6 ($FLAGS), make"
+    msg "build: ARM Compiler 6 ($FLAGS)"
     ARM_TOOL_VARIANT="ult" CC="$ARMC6_CC" AR="$ARMC6_AR" CFLAGS="$FLAGS" \
                     WARNING_CFLAGS='-xc -std=c99' make lib
+
+    msg "size: ARM Compiler 6 ($FLAGS)"
+    "$ARMC6_FROMELF" -z library/*.o
+
     make clean
 }
 
@@ -335,6 +343,7 @@
     while [ $# -gt 0 ]; do
         case "$1" in
             --append-outcome) append_outcome=1;;
+            --arm-none-eabi-gcc-prefix) shift; ARM_NONE_EABI_GCC_PREFIX="$1";;
             --armcc) no_armcc=;;
             --armc5-bin-dir) shift; ARMC5_BIN_DIR="$1";;
             --armc6-bin-dir) shift; ARMC6_BIN_DIR="$1";;
@@ -547,7 +556,7 @@
     esac
 
     case " $RUN_COMPONENTS " in
-        *_arm_none_eabi_gcc[_\ ]*) check_tools "arm-none-eabi-gcc";;
+        *_arm_none_eabi_gcc[_\ ]*) check_tools "${ARM_NONE_EABI_GCC_PREFIX}gcc";;
     esac
 
     case " $RUN_COMPONENTS " in
@@ -562,9 +571,12 @@
         *_armcc*)
             ARMC5_CC="$ARMC5_BIN_DIR/armcc"
             ARMC5_AR="$ARMC5_BIN_DIR/armar"
+            ARMC5_FROMELF="$ARMC5_BIN_DIR/fromelf"
             ARMC6_CC="$ARMC6_BIN_DIR/armclang"
             ARMC6_AR="$ARMC6_BIN_DIR/armar"
-            check_tools "$ARMC5_CC" "$ARMC5_AR" "$ARMC6_CC" "$ARMC6_AR";;
+            ARMC6_FROMELF="$ARMC6_BIN_DIR/fromelf"
+            check_tools "$ARMC5_CC" "$ARMC5_AR" "$ARMC5_FROMELF" \
+                        "$ARMC6_CC" "$ARMC6_AR" "$ARMC6_FROMELF";;
     esac
 
     msg "info: output_env.sh"
@@ -613,6 +625,18 @@
     record_status tests/scripts/check-files.py
 }
 
+component_check_changelog () {
+    msg "Check: changelog entries" # < 1s
+    rm -f ChangeLog.new
+    record_status scripts/assemble_changelog.py -o ChangeLog.new
+    if [ -e ChangeLog.new ]; then
+        # Show the diff for information. It isn't an error if the diff is
+        # non-empty.
+        diff -u ChangeLog ChangeLog.new || true
+        rm ChangeLog.new
+    fi
+}
+
 component_check_names () {
     msg "Check: declared and exported names (builds the library)" # < 3s
     record_status tests/scripts/check-names.sh -v
@@ -645,7 +669,7 @@
     make test
 
     msg "selftest: make, default config (out-of-box)" # ~10s
-    programs/test/selftest
+    if_build_succeeded programs/test/selftest
 
     export MBEDTLS_TEST_OUTCOME_FILE="$SAVE_MBEDTLS_TEST_OUTCOME_FILE"
     unset SAVE_MBEDTLS_TEST_OUTCOME_FILE
@@ -659,6 +683,9 @@
     msg "test: main suites (inc. selftests) (ASan build)" # ~ 50s
     make test
 
+    msg "test: selftest (ASan build)" # ~ 10s
+    if_build_succeeded programs/test/selftest
+
     msg "test: ssl-opt.sh (ASan build)" # ~ 1 min
     if_build_succeeded tests/ssl-opt.sh
 
@@ -678,6 +705,9 @@
     msg "test: main suites (inc. selftests) (full config, ASan build)"
     make test
 
+    msg "test: selftest (ASan build)" # ~ 10s
+    if_build_succeeded programs/test/selftest
+
     msg "test: ssl-opt.sh (full config, ASan build)"
     if_build_succeeded tests/ssl-opt.sh
 
@@ -801,6 +831,40 @@
     if_build_succeeded tests/context-info.sh
 }
 
+component_test_no_ctr_drbg () {
+    msg "build: Full minus CTR_DRBG"
+    scripts/config.py full
+    scripts/config.py unset MBEDTLS_CTR_DRBG_C
+    scripts/config.py unset MBEDTLS_PSA_CRYPTO_C # requires CTR_DRBG
+    scripts/config.py unset MBEDTLS_PSA_CRYPTO_STORAGE_C # requires PSA Crypto
+    scripts/config.py unset MBEDTLS_PSA_CRYPTO_SE_C # requires PSA Crypto
+    scripts/config.py unset MBEDTLS_USE_PSA_CRYPTO # requires PSA Crypto
+
+    CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
+    make
+
+    msg "test: no CTR_DRBG"
+    make test
+
+    # no ssl-opt.sh/compat.sh as they all depend on CTR_DRBG so far
+}
+
+component_test_no_hmac_drbg () {
+    msg "build: Full minus HMAC_DRBG"
+    scripts/config.py full
+    scripts/config.py unset MBEDTLS_HMAC_DRBG_C
+    scripts/config.py unset MBEDTLS_ECDSA_DETERMINISTIC # requires HMAC_DRBG
+
+    CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
+    make
+
+    msg "test: no HMAC_DRBG"
+    make test
+
+    # No ssl-opt.sh/compat.sh as they never use HMAC_DRBG so far,
+    # so there's little value in running those lengthy tests here.
+}
+
 component_test_new_ecdh_context () {
     msg "build: new ECDH context (ASan build)" # ~ 6 min
     scripts/config.py unset MBEDTLS_ECDH_LEGACY_CONTEXT
@@ -909,26 +973,58 @@
     if_build_succeeded env OPENSSL_CMD="$OPENSSL_NEXT" tests/compat.sh -e '^$' -f 'ARIA\|CHACHA'
 }
 
-component_build_deprecated () {
-    msg "build: make, full config + DEPRECATED_WARNING, gcc -O" # ~ 30s
+component_test_default_no_deprecated () {
+    # Test that removing the deprecated features from the default
+    # configuration leaves something consistent.
+    msg "build: make, default + MBEDTLS_DEPRECATED_REMOVED" # ~ 30s
+    scripts/config.py set MBEDTLS_DEPRECATED_REMOVED
+    make CC=gcc CFLAGS='-O -Werror -Wall -Wextra'
+
+    msg "test: make, default + MBEDTLS_DEPRECATED_REMOVED" # ~ 5s
+    make test
+}
+
+component_test_full_no_deprecated () {
+    msg "build: make, full_no_deprecated config" # ~ 30s
+    scripts/config.py full_no_deprecated
+    make CC=gcc CFLAGS='-O -Werror -Wall -Wextra'
+
+    msg "test: make, full_no_deprecated config" # ~ 5s
+    make test
+}
+
+component_test_full_no_deprecated_deprecated_warning () {
+    # Test that there is nothing deprecated in "full_no_deprecated".
+    # A deprecated feature would trigger a warning (made fatal) from
+    # MBEDTLS_DEPRECATED_WARNING.
+    msg "build: make, full_no_deprecated config, MBEDTLS_DEPRECATED_WARNING" # ~ 30s
+    scripts/config.py full_no_deprecated
+    scripts/config.py unset MBEDTLS_DEPRECATED_REMOVED
+    scripts/config.py set MBEDTLS_DEPRECATED_WARNING
+    make CC=gcc CFLAGS='-O -Werror -Wall -Wextra'
+
+    msg "test: make, full_no_deprecated config, MBEDTLS_DEPRECATED_WARNING" # ~ 5s
+    make test
+}
+
+component_test_full_deprecated_warning () {
+    # Test that when MBEDTLS_DEPRECATED_WARNING is enabled, the build passes
+    # with only certain whitelisted types of warnings.
+    msg "build: make, full config + MBEDTLS_DEPRECATED_WARNING, expect warnings" # ~ 30s
     scripts/config.py full
     scripts/config.py set MBEDTLS_DEPRECATED_WARNING
-    # Build with -O -Wextra to catch a maximum of issues.
-    make CC=gcc CFLAGS='-O -Werror -Wall -Wextra' lib programs
-    make CC=gcc CFLAGS='-O -Werror -Wall -Wextra -Wno-unused-function' tests
+    # Expect warnings from '#warning' directives in check_config.h.
+    make CC=gcc CFLAGS='-O -Werror -Wall -Wextra -Wno-error=cpp' lib programs
 
-    msg "test: make, full config + DEPRECATED_WARNING, expect warnings" # ~ 30s
-    make -C tests clean
-    make CC=gcc CFLAGS='-O -Werror -Wall -Wextra -Wno-error=deprecated-declarations -DMBEDTLS_TEST_DEPRECATED' tests
+    msg "build: make tests, full config + MBEDTLS_DEPRECATED_WARNING, expect warnings" # ~ 30s
+    # Set MBEDTLS_TEST_DEPRECATED to enable tests for deprecated features.
+    # By default those are disabled when MBEDTLS_DEPRECATED_WARNING is set.
+    # Expect warnings from '#warning' directives in check_config.h and
+    # from the use of deprecated functions in test suites.
+    make CC=gcc CFLAGS='-O -Werror -Wall -Wextra -Wno-error=deprecated-declarations -Wno-error=cpp -DMBEDTLS_TEST_DEPRECATED' tests
 
-    msg "build: make, full config + DEPRECATED_REMOVED, clang -O" # ~ 30s
-    # No cleanup, just tweak the configuration and rebuild
-    make clean
-    scripts/config.py unset MBEDTLS_DEPRECATED_WARNING
-    scripts/config.py set MBEDTLS_DEPRECATED_REMOVED
-    # Build with -O -Wextra to catch a maximum of issues.
-    make CC=clang CFLAGS='-O -Werror -Wall -Wextra' lib programs
-    make CC=clang CFLAGS='-O -Werror -Wall -Wextra -Wno-unused-function' tests
+    msg "test: full config + MBEDTLS_TEST_DEPRECATED" # ~ 30s
+    make test
 }
 
 # Check that the specified libraries exist and are empty.
@@ -997,6 +1093,7 @@
     scripts/config.py unset MBEDTLS_PSA_CRYPTO_C
     scripts/config.py unset MBEDTLS_USE_PSA_CRYPTO
     scripts/config.py unset MBEDTLS_PSA_ITS_FILE_C
+    scripts/config.py unset MBEDTLS_PSA_CRYPTO_SE_C
     scripts/config.py unset MBEDTLS_PSA_CRYPTO_STORAGE_C
     CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
     make
@@ -1035,6 +1132,7 @@
     scripts/config.py unset MBEDTLS_PLATFORM_TIME_ALT
     scripts/config.py unset MBEDTLS_PLATFORM_FPRINTF_ALT
     scripts/config.py unset MBEDTLS_PLATFORM_MEMORY
+    scripts/config.py unset MBEDTLS_PLATFORM_NV_SEED_ALT
     scripts/config.py unset MBEDTLS_PLATFORM_PRINTF_ALT
     scripts/config.py unset MBEDTLS_PLATFORM_SNPRINTF_ALT
     scripts/config.py unset MBEDTLS_ENTROPY_NV_SEED
@@ -1064,6 +1162,7 @@
     scripts/config.py unset MBEDTLS_PLATFORM_SNPRINTF_ALT
     scripts/config.py unset MBEDTLS_PLATFORM_TIME_ALT
     scripts/config.py unset MBEDTLS_PLATFORM_EXIT_ALT
+    scripts/config.py unset MBEDTLS_PLATFORM_NV_SEED_ALT
     scripts/config.py unset MBEDTLS_ENTROPY_NV_SEED
     scripts/config.py unset MBEDTLS_FS_IO
     scripts/config.py unset MBEDTLS_PSA_CRYPTO_SE_C
@@ -1081,6 +1180,7 @@
     scripts/config.py full
     scripts/config.py set MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
     scripts/config.py unset MBEDTLS_ENTROPY_NV_SEED
+    scripts/config.py unset MBEDTLS_PLATFORM_NV_SEED_ALT
     make CC=gcc CFLAGS='-Werror -Wall -Wextra -Os'
 }
 
@@ -1270,6 +1370,7 @@
     scripts/config.py set MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
     scripts/config.py set MBEDTLS_ENTROPY_C
     scripts/config.py unset MBEDTLS_ENTROPY_NV_SEED
+    scripts/config.py unset MBEDTLS_PLATFORM_NV_SEED_ALT
     scripts/config.py unset MBEDTLS_ENTROPY_HARDWARE_ALT
     scripts/config.py unset MBEDTLS_HAVEGE_C
     CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan -D UNSAFE_BUILD=ON .
@@ -1387,16 +1488,6 @@
     make test
 }
 
-component_test_se_full () {
-    msg "build: full config + MBEDTLS_PSA_CRYPTO_SE_C"
-    scripts/config.py full
-    scripts/config.py set MBEDTLS_PSA_CRYPTO_SE_C
-    make CC=gcc CFLAGS="$ASAN_CFLAGS -O2" LDFLAGS="$ASAN_CFLAGS"
-
-    msg "test: full config + MBEDTLS_PSA_CRYPTO_SE_C"
-    make test
-}
-
 component_test_make_shared () {
     msg "build/test: make shared" # ~ 40s
     make SHARED=1 all check
@@ -1415,7 +1506,7 @@
     info=$1 cc=$2; shift 2
     for opt in "$@"; do
           msg "build/test: $cc $opt, $info" # ~ 30s
-          make CC="$cc" CFLAGS="$opt -Wall -Wextra -Werror"
+          make CC="$cc" CFLAGS="$opt -std=c99 -pedantic -Wall -Wextra -Werror"
           # We're confident enough in compilers to not run _all_ the tests,
           # but at least run the unit tests. In particular, runs with
           # optimizations use inline assembly whereas runs with -O0
@@ -1566,45 +1657,63 @@
 }
 
 component_build_arm_none_eabi_gcc () {
-    msg "build: arm-none-eabi-gcc, make" # ~ 10s
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -O1" # ~ 10s
     scripts/config.py baremetal
-    make CC=arm-none-eabi-gcc AR=arm-none-eabi-ar LD=arm-none-eabi-ld CFLAGS='-Werror -Wall -Wextra' lib
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-Werror -Wall -Wextra -O1' lib
+
+    msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -O1"
+    ${ARM_NONE_EABI_GCC_PREFIX}size library/*.o
 }
 
 component_build_arm_none_eabi_gcc_arm5vte () {
-    msg "build: arm-none-eabi-gcc -march=arm5vte, make" # ~ 10s
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -march=arm5vte" # ~ 10s
     scripts/config.py baremetal
     # Build for a target platform that's close to what Debian uses
     # for its "armel" distribution (https://wiki.debian.org/ArmEabiPort).
     # See https://github.com/ARMmbed/mbedtls/pull/2169 and comments.
     # It would be better to build with arm-linux-gnueabi-gcc but
     # we don't have that on our CI at this time.
-    make CC=arm-none-eabi-gcc AR=arm-none-eabi-ar CFLAGS='-Werror -Wall -Wextra -march=armv5te -O1' LDFLAGS='-march=armv5te' SHELL='sh -x' lib
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" CFLAGS='-Werror -Wall -Wextra -march=armv5te -O1' LDFLAGS='-march=armv5te' SHELL='sh -x' lib
+
+    msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -march=armv5te -O1"
+    ${ARM_NONE_EABI_GCC_PREFIX}size library/*.o
+}
+
+component_build_arm_none_eabi_gcc_m0plus () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -mthumb -mcpu=cortex-m0plus" # ~ 10s
+    scripts/config.py baremetal
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-Werror -Wall -Wextra -mthumb -mcpu=cortex-m0plus -Os' lib
+
+    msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -mthumb -mcpu=cortex-m0plus -Os"
+    ${ARM_NONE_EABI_GCC_PREFIX}size library/*.o
 }
 
 component_build_arm_none_eabi_gcc_no_udbl_division () {
-    msg "build: arm-none-eabi-gcc -DMBEDTLS_NO_UDBL_DIVISION, make" # ~ 10s
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -DMBEDTLS_NO_UDBL_DIVISION, make" # ~ 10s
     scripts/config.py baremetal
     scripts/config.py set MBEDTLS_NO_UDBL_DIVISION
-    make CC=arm-none-eabi-gcc AR=arm-none-eabi-ar LD=arm-none-eabi-ld CFLAGS='-Werror -Wall -Wextra' lib
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-Werror -Wall -Wextra' lib
     echo "Checking that software 64-bit division is not required"
     if_build_succeeded not grep __aeabi_uldiv library/*.o
 }
 
 component_build_arm_none_eabi_gcc_no_64bit_multiplication () {
-    msg "build: arm-none-eabi-gcc MBEDTLS_NO_64BIT_MULTIPLICATION, make" # ~ 10s
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc MBEDTLS_NO_64BIT_MULTIPLICATION, make" # ~ 10s
     scripts/config.py baremetal
     scripts/config.py set MBEDTLS_NO_64BIT_MULTIPLICATION
-    make CC=arm-none-eabi-gcc AR=arm-none-eabi-ar LD=arm-none-eabi-ld CFLAGS='-Werror -O1 -march=armv6-m -mthumb' lib
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-Werror -O1 -march=armv6-m -mthumb' lib
     echo "Checking that software 64-bit multiplication is not required"
     if_build_succeeded not grep __aeabi_lmul library/*.o
 }
 
 component_build_armcc () {
-    msg "build: ARM Compiler 5, make"
+    msg "build: ARM Compiler 5"
     scripts/config.py baremetal
-
     make CC="$ARMC5_CC" AR="$ARMC5_AR" WARNING_CFLAGS='--strict --c99' lib
+
+    msg "size: ARM Compiler 5"
+    "$ARMC5_FROMELF" -z library/*.o
+
     make clean
 
     # ARM Compiler 6 - Target ARMv7-A
@@ -1638,6 +1747,15 @@
     if_build_succeeded tests/ssl-opt.sh -f SHA-1
 }
 
+component_test_tls13_experimental () {
+    msg "build: default config with MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL enabled"
+    scripts/config.pl set MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL
+    CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
+    make
+    msg "test: default config with MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL enabled"
+    make test
+}
+
 component_build_mingw () {
     msg "build: Windows cross build - mingw64, make (Link Library)" # ~ 30s
     make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -Wall -Wextra' WINDOWS_BUILD=1 lib programs
diff --git a/tests/scripts/basic-build-test.sh b/tests/scripts/basic-build-test.sh
index aca2f11..0be8705 100755
--- a/tests/scripts/basic-build-test.sh
+++ b/tests/scripts/basic-build-test.sh
@@ -68,10 +68,6 @@
 make clean
 cp "$CONFIG_H" "$CONFIG_BAK"
 scripts/config.py full
-# Enable some deprecated or experimental features that are not in the
-# full config, but are compatible with it and have tests.
-scripts/config.py set MBEDTLS_SSL_PROTO_SSL3
-scripts/config.py set MBEDTLS_PSA_CRYPTO_SE_C
 make -j
 
 
@@ -222,10 +218,12 @@
 # Step 4e - Coverage
 echo "Coverage"
 
-LINES_TESTED=$(tail -n3 cov-$TEST_OUTPUT|sed -n -e 's/  lines......: [0-9]*.[0-9]% (\([0-9]*\) of [0-9]* lines)/\1/p')
-LINES_TOTAL=$(tail -n3 cov-$TEST_OUTPUT|sed -n -e 's/  lines......: [0-9]*.[0-9]% ([0-9]* of \([0-9]*\) lines)/\1/p')
-FUNCS_TESTED=$(tail -n3 cov-$TEST_OUTPUT|sed -n -e 's/  functions..: [0-9]*.[0-9]% (\([0-9]*\) of [0-9]* functions)$/\1/p')
-FUNCS_TOTAL=$(tail -n3 cov-$TEST_OUTPUT|sed -n -e 's/  functions..: [0-9]*.[0-9]% ([0-9]* of \([0-9]*\) functions)$/\1/p')
+LINES_TESTED=$(tail -n4 cov-$TEST_OUTPUT|sed -n -e 's/  lines......: [0-9]*.[0-9]% (\([0-9]*\) of [0-9]* lines)/\1/p')
+LINES_TOTAL=$(tail -n4 cov-$TEST_OUTPUT|sed -n -e 's/  lines......: [0-9]*.[0-9]% ([0-9]* of \([0-9]*\) lines)/\1/p')
+FUNCS_TESTED=$(tail -n4 cov-$TEST_OUTPUT|sed -n -e 's/  functions..: [0-9]*.[0-9]% (\([0-9]*\) of [0-9]* functions)$/\1/p')
+FUNCS_TOTAL=$(tail -n4 cov-$TEST_OUTPUT|sed -n -e 's/  functions..: [0-9]*.[0-9]% ([0-9]* of \([0-9]*\) functions)$/\1/p')
+BRANCHES_TESTED=$(tail -n4 cov-$TEST_OUTPUT|sed -n -e 's/  branches...: [0-9]*.[0-9]% (\([0-9]*\) of [0-9]* branches)$/\1/p')
+BRANCHES_TOTAL=$(tail -n4 cov-$TEST_OUTPUT|sed -n -e 's/  branches...: [0-9]*.[0-9]% ([0-9]* of \([0-9]*\) branches)$/\1/p')
 
 LINES_PERCENT=$((1000*$LINES_TESTED/$LINES_TOTAL))
 LINES_PERCENT="$(($LINES_PERCENT/10)).$(($LINES_PERCENT-($LINES_PERCENT/10)*10))"
@@ -233,11 +231,14 @@
 FUNCS_PERCENT=$((1000*$FUNCS_TESTED/$FUNCS_TOTAL))
 FUNCS_PERCENT="$(($FUNCS_PERCENT/10)).$(($FUNCS_PERCENT-($FUNCS_PERCENT/10)*10))"
 
+BRANCHES_PERCENT=$((1000*$BRANCHES_TESTED/$BRANCHES_TOTAL))
+BRANCHES_PERCENT="$(($BRANCHES_PERCENT/10)).$(($BRANCHES_PERCENT-($BRANCHES_PERCENT/10)*10))"
+
 echo "Lines Tested       : $LINES_TESTED of $LINES_TOTAL $LINES_PERCENT%"
 echo "Functions Tested   : $FUNCS_TESTED of $FUNCS_TOTAL $FUNCS_PERCENT%"
+echo "Branches Tested    : $BRANCHES_TESTED of $BRANCHES_TOTAL $BRANCHES_PERCENT%"
 echo
 
-
 rm unit-test-$TEST_OUTPUT
 rm sys-test-$TEST_OUTPUT
 rm compat-test-$TEST_OUTPUT
diff --git a/tests/scripts/check-files.py b/tests/scripts/check-files.py
index 7474ac7..62b526a 100755
--- a/tests/scripts/check-files.py
+++ b/tests/scripts/check-files.py
@@ -14,6 +14,8 @@
 import argparse
 import logging
 import codecs
+import re
+import subprocess
 import sys
 
 
@@ -23,28 +25,48 @@
     To implement a checker that processes a file as a whole, inherit from
     this class and implement `check_file_for_issue` and define ``heading``.
 
-    ``files_exemptions``: files whose name ends with a string in this set
+    ``suffix_exemptions``: files whose name ends with a string in this set
      will not be checked.
 
+    ``path_exemptions``: files whose path (relative to the root of the source
+    tree) matches this regular expression will not be checked. This can be
+    ``None`` to match no path. Paths are normalized and converted to ``/``
+    separators before matching.
+
     ``heading``: human-readable description of the issue
     """
 
-    files_exemptions = frozenset()
+    suffix_exemptions = frozenset()
+    path_exemptions = None
     # heading must be defined in derived classes.
     # pylint: disable=no-member
 
     def __init__(self):
         self.files_with_issues = {}
 
+    @staticmethod
+    def normalize_path(filepath):
+        """Normalize ``filepath`` with / as the directory separator."""
+        filepath = os.path.normpath(filepath)
+        # On Windows, we may have backslashes to separate directories.
+        # We need slashes to match exemption lists.
+        seps = os.path.sep
+        if os.path.altsep is not None:
+            seps += os.path.altsep
+        return '/'.join(filepath.split(seps))
+
     def should_check_file(self, filepath):
         """Whether the given file name should be checked.
 
-        Files whose name ends with a string listed in ``self.files_exemptions``
-        will not be checked.
+        Files whose name ends with a string listed in ``self.suffix_exemptions``
+        or whose path matches ``self.path_exemptions`` will not be checked.
         """
-        for files_exemption in self.files_exemptions:
+        for files_exemption in self.suffix_exemptions:
             if filepath.endswith(files_exemption):
                 return False
+        if self.path_exemptions and \
+           re.match(self.path_exemptions, self.normalize_path(filepath)):
+            return False
         return True
 
     def check_file_for_issue(self, filepath):
@@ -73,6 +95,17 @@
                     logger.info(filename)
             logger.info("")
 
+BINARY_FILE_PATH_RE_LIST = [
+    r'docs/.*\.pdf\Z',
+    r'programs/fuzz/corpuses/[^.]+\Z',
+    r'tests/data_files/[^.]+\Z',
+    r'tests/data_files/.*\.(crt|csr|db|der|key|pubkey)\Z',
+    r'tests/data_files/.*\.req\.[^/]+\Z',
+    r'tests/data_files/.*malformed[^/]+\Z',
+    r'tests/data_files/format_pkcs12\.fmt\Z',
+]
+BINARY_FILE_PATH_RE = re.compile('|'.join(BINARY_FILE_PATH_RE_LIST))
+
 class LineIssueTracker(FileIssueTracker):
     """Base class for line-by-line issue tracking.
 
@@ -80,6 +113,9 @@
     this class and implement `line_with_issue`.
     """
 
+    # Exclude binary files.
+    path_exemptions = BINARY_FILE_PATH_RE
+
     def issue_with_line(self, line, filepath):
         """Check the specified line for the issue that this class is for.
 
@@ -103,7 +139,7 @@
 
 def is_windows_file(filepath):
     _root, ext = os.path.splitext(filepath)
-    return ext in ('.dsp', '.sln', '.vcxproj')
+    return ext in ('.bat', '.dsp', '.dsw', '.sln', '.vcxproj')
 
 
 class PermissionIssueTracker(FileIssueTracker):
@@ -126,9 +162,18 @@
 
     heading = "Missing newline at end of file:"
 
+    path_exemptions = BINARY_FILE_PATH_RE
+
     def check_file_for_issue(self, filepath):
         with open(filepath, "rb") as f:
-            if not f.read().endswith(b"\n"):
+            try:
+                f.seek(-1, 2)
+            except OSError:
+                # This script only works on regular files. If we can't seek
+                # 1 before the end, it means that this position is before
+                # the beginning of the file, i.e. that the file is empty.
+                return
+            if f.read(1) != b"\n":
                 self.files_with_issues[filepath] = None
 
 
@@ -138,7 +183,8 @@
 
     heading = "UTF-8 BOM present:"
 
-    files_exemptions = frozenset([".vcxproj", ".sln"])
+    suffix_exemptions = frozenset([".vcxproj", ".sln"])
+    path_exemptions = BINARY_FILE_PATH_RE
 
     def check_file_for_issue(self, filepath):
         with open(filepath, "rb") as f:
@@ -152,6 +198,8 @@
     heading = "Non-Unix line endings:"
 
     def should_check_file(self, filepath):
+        if not super().should_check_file(filepath):
+            return False
         return not is_windows_file(filepath)
 
     def issue_with_line(self, line, _filepath):
@@ -164,6 +212,8 @@
     heading = "Non-Windows line endings:"
 
     def should_check_file(self, filepath):
+        if not super().should_check_file(filepath):
+            return False
         return is_windows_file(filepath)
 
     def issue_with_line(self, line, _filepath):
@@ -174,7 +224,7 @@
     """Track lines with trailing whitespace."""
 
     heading = "Trailing whitespace:"
-    files_exemptions = frozenset([".dsp", ".md"])
+    suffix_exemptions = frozenset([".dsp", ".md"])
 
     def issue_with_line(self, line, _filepath):
         return line.rstrip(b"\r\n") != line.rstrip()
@@ -184,7 +234,8 @@
     """Track lines with tabs."""
 
     heading = "Tabs present:"
-    files_exemptions = frozenset([
+    suffix_exemptions = frozenset([
+        ".pem", # some openssl dumps have tabs
         ".sln",
         "/Makefile",
         "/Makefile.inc",
@@ -223,31 +274,6 @@
         self.check_repo_path()
         self.logger = None
         self.setup_logger(log_file)
-        self.extensions_to_check = (
-            ".c",
-            ".data",
-            ".dsp",
-            ".function",
-            ".h",
-            ".md",
-            ".pl",
-            ".py",
-            ".sh",
-            ".sln",
-            ".vcxproj",
-            "/CMakeLists.txt",
-            "/ChangeLog",
-            "/Makefile",
-            "/Makefile.inc",
-        )
-        self.excluded_directories = [
-            '.git',
-            'mbed-os',
-        ]
-        self.excluded_paths = list(map(os.path.normpath, [
-            'cov-int',
-            'examples',
-        ]))
         self.issues_to_check = [
             PermissionIssueTracker(),
             EndOfFileNewlineIssueTracker(),
@@ -274,23 +300,22 @@
             console = logging.StreamHandler()
             self.logger.addHandler(console)
 
-    def prune_branch(self, root, d):
-        if d in self.excluded_directories:
-            return True
-        if os.path.normpath(os.path.join(root, d)) in self.excluded_paths:
-            return True
-        return False
+    @staticmethod
+    def collect_files():
+        bytes_output = subprocess.check_output(['git', 'ls-files', '-z'])
+        bytes_filepaths = bytes_output.split(b'\0')[:-1]
+        ascii_filepaths = map(lambda fp: fp.decode('ascii'), bytes_filepaths)
+        # Prepend './' to files in the top-level directory so that
+        # something like `'/Makefile' in fp` matches in the top-level
+        # directory as well as in subdirectories.
+        return [fp if os.path.dirname(fp) else os.path.join(os.curdir, fp)
+                for fp in ascii_filepaths]
 
     def check_files(self):
-        for root, dirs, files in os.walk("."):
-            dirs[:] = sorted(d for d in dirs if not self.prune_branch(root, d))
-            for filename in sorted(files):
-                filepath = os.path.join(root, filename)
-                if not filepath.endswith(self.extensions_to_check):
-                    continue
-                for issue_to_check in self.issues_to_check:
-                    if issue_to_check.should_check_file(filepath):
-                        issue_to_check.check_file_for_issue(filepath)
+        for issue_to_check in self.issues_to_check:
+            for filepath in self.collect_files():
+                if issue_to_check.should_check_file(filepath):
+                    issue_to_check.check_file_for_issue(filepath)
 
     def output_issues(self):
         integrity_return_code = 0
diff --git a/tests/scripts/test_zeroize.gdb b/tests/scripts/test_zeroize.gdb
index c929c88..8164acb 100644
--- a/tests/scripts/test_zeroize.gdb
+++ b/tests/scripts/test_zeroize.gdb
@@ -31,19 +31,13 @@
 # the compiler potentially has a bug.
 #
 # Note: This test requires that the test program is compiled with -g3.
-#
-# WARNING: There does not seem to be a mechanism in GDB scripts to set a
-# breakpoint at the end of a function (probably because there are a lot of
-# complications as function can have multiple exit points, etc). Therefore, it
-# was necessary to hard-code the line number of the breakpoint in the zeroize.c
-# test app. The assumption is that zeroize.c is a simple test app that does not
-# change often (as opposed to the actual library code), so the breakpoint line
-# number does not need to be updated often.
 
 set confirm off
 
 file ./programs/test/zeroize
-break zeroize.c:100
+
+search GDB_BREAK_HERE
+break $_
 
 set args ./programs/test/zeroize.c
 run
diff --git a/tests/suites/host_test.function b/tests/suites/host_test.function
index 9dde6c2..db65c0f 100644
--- a/tests/suites/host_test.function
+++ b/tests/suites/host_test.function
@@ -551,7 +551,7 @@
         return( 1 );
     }
 
-    if( outcome_file_name != NULL )
+    if( outcome_file_name != NULL && *outcome_file_name != '\0' )
     {
         outcome_file = fopen( outcome_file_name, "a" );
         if( outcome_file == NULL )
diff --git a/tests/suites/main_test.function b/tests/suites/main_test.function
index 5986758..ff4cf20 100644
--- a/tests/suites/main_test.function
+++ b/tests/suites/main_test.function
@@ -19,6 +19,12 @@
  *  This file is part of Mbed TLS (https://tls.mbed.org)
  */
 
+#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
+#if !defined(_POSIX_C_SOURCE)
+#define _POSIX_C_SOURCE 1 // for fileno() from <stdio.h>
+#endif
+#endif
+
 #if !defined(MBEDTLS_CONFIG_FILE)
 #include <mbedtls/config.h>
 #else
diff --git a/tests/suites/test_suite_ecp.data b/tests/suites/test_suite_ecp.data
index 9219179..b84868c 100644
--- a/tests/suites/test_suite_ecp.data
+++ b/tests/suites/test_suite_ecp.data
@@ -446,6 +446,14 @@
 depends_on:MBEDTLS_ECP_DP_CURVE25519_ENABLED
 ecp_test_mul:MBEDTLS_ECP_DP_CURVE25519:"5AC99F33632E5A768DE7E81BF854C27C46E3FBF2ABBACD29EC4AFF517369C660":"B8495F16056286FDB1329CEB8D09DA6AC49FF1FAE35616AEB8413B7C7AEBE0":"00":"01":"00":"01":"00":MBEDTLS_ERR_MPI_NOT_ACCEPTABLE
 
+ECP point multiplication rng fail secp256r1
+depends_on:MBEDTLS_ECP_DP_SECP256R1_ENABLED
+ecp_test_mul_rng:MBEDTLS_ECP_DP_SECP256R1:"814264145F2F56F2E96A8E337A1284993FAF432A5ABCE59E867B7291D507A3AF"
+
+ECP point multiplication rng fail Curve25519
+depends_on:MBEDTLS_ECP_DP_CURVE25519_ENABLED
+ecp_test_mul_rng:MBEDTLS_ECP_DP_CURVE25519:"5AC99F33632E5A768DE7E81BF854C27C46E3FBF2ABBACD29EC4AFF517369C660"
+
 ECP test vectors Curve448 (RFC 7748 6.2, after decodeUCoordinate)
 depends_on:MBEDTLS_ECP_DP_CURVE448_ENABLED
 ecp_test_vec_x:MBEDTLS_ECP_DP_CURVE448:"eb7298a5c0d8c29a1dab27f1a6826300917389449741a974f5bac9d98dc298d46555bce8bae89eeed400584bb046cf75579f51d125498f98":"a01fc432e5807f17530d1288da125b0cd453d941726436c8bbd9c5222c3da7fa639ce03db8d23b274a0721a1aed5227de6e3b731ccf7089b":"ad997351b6106f36b0d1091b929c4c37213e0d2b97e85ebb20c127691d0dad8f1d8175b0723745e639a3cb7044290b99e0e2a0c27a6a301c":"0936f37bc6c1bd07ae3dec7ab5dc06a73ca13242fb343efc72b9d82730b445f3d4b0bd077162a46dcfec6f9b590bfcbcf520cdb029a8b73e":"9d874a5137509a449ad5853040241c5236395435c36424fd560b0cb62b281d285275a740ce32a22dd1740f4aa9161cec95ccc61a18f4ff07"
diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index 03c3e53..6385e77 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -725,6 +725,31 @@
 /* END_CASE */
 
 /* BEGIN_CASE */
+void ecp_test_mul_rng( int id, data_t * d_hex)
+{
+    mbedtls_ecp_group grp;
+    mbedtls_mpi d;
+    mbedtls_ecp_point Q;
+
+    mbedtls_ecp_group_init( &grp ); mbedtls_mpi_init( &d );
+    mbedtls_ecp_point_init( &Q );
+
+    TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
+
+    TEST_ASSERT( mbedtls_ecp_check_pubkey( &grp, &grp.G ) == 0 );
+
+    TEST_ASSERT( mbedtls_mpi_read_binary( &d, d_hex->x, d_hex->len ) == 0 );
+
+    TEST_ASSERT( mbedtls_ecp_mul( &grp, &Q, &d, &grp.G, &rnd_zero_rand, NULL )
+                 == MBEDTLS_ERR_ECP_RANDOM_FAILED );
+
+exit:
+    mbedtls_ecp_group_free( &grp ); mbedtls_mpi_free( &d );
+    mbedtls_ecp_point_free( &Q );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
 void ecp_fast_mod( int id, char * N_str )
 {
     mbedtls_ecp_group grp;
diff --git a/tests/suites/test_suite_entropy.function b/tests/suites/test_suite_entropy.function
index 9f10a90..d9ea441 100644
--- a/tests/suites/test_suite_entropy.function
+++ b/tests/suites/test_suite_entropy.function
@@ -1,6 +1,7 @@
 /* BEGIN_HEADER */
 #include "mbedtls/entropy.h"
 #include "mbedtls/entropy_poll.h"
+#include "mbedtls/md.h"
 #include "string.h"
 
 typedef enum
diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index ae175e4..48bdbed 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -1655,7 +1655,7 @@
 sign_fail:PSA_KEY_TYPE_RSA_KEY_PAIR:"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":PSA_ALG_RSA_PKCS1V15_SIGN(PSA_ALG_SHA_256):"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad":127:PSA_ERROR_BUFFER_TOO_SMALL
 
 PSA sign: deterministic ECDSA SECP256R1 SHA-256, output buffer too small
-depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C:MBEDTLS_ECDSA_C
+depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C:MBEDTLS_ECDSA_C:MBEDTLS_ECDSA_DETERMINISTIC
 sign_fail:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP_R1):"ab45435712649cb30bbddac49197eebf2740ffc7f874d9244c3460f54f322d3a":PSA_ALG_DETERMINISTIC_ECDSA( PSA_ALG_SHA_256 ):"9ac4335b469bbd791439248504dd0d49c71349a295fee5a1c68507f45a9e1c7b":63:PSA_ERROR_BUFFER_TOO_SMALL
 
 PSA sign: RSA PKCS#1 v1.5 SHA-256, empty output buffer
diff --git a/tests/suites/test_suite_psa_crypto_persistent_key.function b/tests/suites/test_suite_psa_crypto_persistent_key.function
index 4edc697..e2d87ef 100644
--- a/tests/suites/test_suite_psa_crypto_persistent_key.function
+++ b/tests/suites/test_suite_psa_crypto_persistent_key.function
@@ -1,4 +1,12 @@
 /* BEGIN_HEADER */
+
+/* The tests in this module verify the contents of key store files. They
+ * access internal key storage functions directly. Some of the tests depend
+ * on the the storage format. On the other hand, these tests treat the storage
+ * subsystem as a black box, and in particular have no reliance on the
+ * internals of the ITS implementation.
+ */
+
 #include <stdint.h>
 
 #include "psa_crypto_helpers.h"
@@ -9,6 +17,10 @@
 #define PSA_KEY_STORAGE_MAGIC_HEADER "PSA\0KEY"
 #define PSA_KEY_STORAGE_MAGIC_HEADER_LENGTH ( sizeof( PSA_KEY_STORAGE_MAGIC_HEADER ) )
 
+/* Enforce the storage format for keys. The storage format is not a public
+ * documented interface, but it must be preserved between versions so that
+ * upgrades work smoothly, so it's a stable interface nonetheless.
+ */
 typedef struct {
     uint8_t magic[PSA_KEY_STORAGE_MAGIC_HEADER_LENGTH];
     uint8_t version[4];
diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal.data b/tests/suites/test_suite_psa_crypto_se_driver_hal.data
index 0c2411b..55c3426 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal.data
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal.data
@@ -6,14 +6,11 @@
 Register SE driver: good, again
 register_one:2:PSA_DRV_SE_HAL_VERSION:PSA_SUCCESS
 
-Register SE driver: invalid lifetime (0)
+Register SE driver: invalid location (0)
 register_one:0:PSA_DRV_SE_HAL_VERSION:PSA_ERROR_INVALID_ARGUMENT
 
-Register SE driver: invalid lifetime (VOLATILE)
-register_one:PSA_KEY_LIFETIME_VOLATILE:PSA_DRV_SE_HAL_VERSION:PSA_ERROR_INVALID_ARGUMENT
-
-Register SE driver: invalid lifetime (PERSISTENT)
-register_one:PSA_KEY_LIFETIME_PERSISTENT:PSA_DRV_SE_HAL_VERSION:PSA_ERROR_INVALID_ARGUMENT
+Register SE driver: invalid location (local)
+register_one:PSA_KEY_LOCATION_LOCAL_STORAGE:PSA_DRV_SE_HAL_VERSION:PSA_ERROR_INVALID_ARGUMENT
 
 Register SE driver: invalid version (ancient)
 register_one:2:0x00000003:PSA_ERROR_NOT_SUPPORTED
@@ -121,7 +118,7 @@
 generate_key_smoke:PSA_KEY_TYPE_HMAC:256:PSA_ALG_HMAC( PSA_ALG_SHA_256 )
 
 Key registration: smoke test
-register_key_smoke_test:MIN_DRIVER_LIFETIME:1:PSA_SUCCESS
+register_key_smoke_test:TEST_SE_PERSISTENT_LIFETIME:1:PSA_SUCCESS
 
 Key registration: invalid lifetime (volatile)
 register_key_smoke_test:PSA_KEY_LIFETIME_VOLATILE:1:PSA_ERROR_INVALID_ARGUMENT
@@ -130,13 +127,13 @@
 register_key_smoke_test:PSA_KEY_LIFETIME_PERSISTENT:1:PSA_ERROR_INVALID_ARGUMENT
 
 Key registration: invalid lifetime (no registered driver)
-register_key_smoke_test:MIN_DRIVER_LIFETIME + 1:1:PSA_ERROR_INVALID_ARGUMENT
+register_key_smoke_test:PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION( PSA_KEY_PERSISTENCE_DEFAULT, TEST_DRIVER_LOCATION + 1 ):1:PSA_ERROR_INVALID_ARGUMENT
 
 Key registration: rejected
-register_key_smoke_test:MIN_DRIVER_LIFETIME:0:PSA_ERROR_NOT_PERMITTED
+register_key_smoke_test:TEST_SE_PERSISTENT_LIFETIME:0:PSA_ERROR_NOT_PERMITTED
 
 Key registration: not supported
-register_key_smoke_test:MIN_DRIVER_LIFETIME:-1:PSA_ERROR_NOT_SUPPORTED
+register_key_smoke_test:TEST_SE_PERSISTENT_LIFETIME:-1:PSA_ERROR_NOT_SUPPORTED
 
 Import-sign-verify: sign in driver, ECDSA
 depends_on:MBEDTLS_ECDSA_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal.function b/tests/suites/test_suite_psa_crypto_se_driver_hal.function
index b468d5e..f95f7e5 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal.function
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal.function
@@ -18,8 +18,14 @@
 /* Test driver helpers */
 /****************************************************************/
 
-/** The minimum valid lifetime value for a secure element driver. */
-#define MIN_DRIVER_LIFETIME 2
+/** The minimum valid location value for a secure element driver. */
+#define MIN_DRIVER_LOCATION 1
+
+/** The location and lifetime used for tests that use a single driver. */
+#define TEST_DRIVER_LOCATION 1
+#define TEST_SE_PERSISTENT_LIFETIME                             \
+    ( PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(           \
+        PSA_KEY_PERSISTENCE_DEFAULT, TEST_DRIVER_LOCATION ) )
 
 /** The driver detected a condition that shouldn't happen.
  * This is probably a bug in the library. */
@@ -547,7 +553,7 @@
             psa_get_key_lifetime( &actual_attributes );
         psa_status_t status = psa_get_key_slot_number( &actual_attributes,
                                                        &actual_slot_number );
-        if( lifetime < MIN_DRIVER_LIFETIME )
+        if( PSA_KEY_LIFETIME_GET_LOCATION( lifetime ) < MIN_DRIVER_LOCATION )
         {
             /* The key is not in a secure element. */
             TEST_EQUAL( status, PSA_ERROR_INVALID_ARGUMENT );
@@ -571,23 +577,23 @@
     return( ok );
 }
 
-/* Get the file UID corresponding to the specified lifetime.
+/* Get the file UID corresponding to the specified location.
  * If this changes, the storage format version must change.
  * See psa_get_se_driver_its_file_uid() in psa_crypto_se.c.
  */
-psa_storage_uid_t file_uid_for_lifetime( psa_key_lifetime_t lifetime )
+psa_storage_uid_t file_uid_for_location( psa_key_location_t location )
 {
-    if( lifetime > PSA_MAX_SE_LIFETIME )
+    if( location > PSA_MAX_SE_LOCATION )
         return( 0 );
-    return( 0xfffffe00 + lifetime );
+    return( 0xfffffe00 + location );
 }
 
 /* Check that the persistent data of a driver has its expected content. */
-static int check_persistent_data( psa_key_lifetime_t lifetime,
+static int check_persistent_data( psa_key_location_t location,
                                   const void *expected_data,
                                   size_t size )
 {
-    psa_storage_uid_t uid = file_uid_for_lifetime( lifetime );
+    psa_storage_uid_t uid = file_uid_for_location( location );
     struct psa_storage_info_t info;
     uint8_t *loaded = NULL;
     int ok = 0;
@@ -737,7 +743,7 @@
 static void psa_purge_storage( void )
 {
     psa_key_id_t id;
-    psa_key_lifetime_t lifetime;
+    psa_key_location_t location;
     /* The tests may have potentially created key ids from 1 to
      * MAX_KEY_ID_FOR_TEST. In addition, run the destroy function on key id
      * 0, which file-based storage uses as a temporary file. */
@@ -746,8 +752,8 @@
     /* Purge the transaction file. */
     psa_crypto_stop_transaction( );
     /* Purge driver persistent data. */
-    for( lifetime = 0; lifetime < PSA_MAX_SE_LIFETIME; lifetime++ )
-        psa_destroy_se_persistent_data( lifetime );
+    for( location = 0; location < PSA_MAX_SE_LOCATION; location++ )
+        psa_destroy_se_persistent_data( location );
 }
 
 /* END_HEADER */
@@ -758,7 +764,7 @@
  */
 
 /* BEGIN_CASE */
-void register_one( int lifetime, int version, int expected_status_arg )
+void register_one( int location, int version, int expected_status_arg )
 {
     psa_status_t expected_status = expected_status_arg;
     psa_drv_se_t driver;
@@ -766,7 +772,7 @@
     memset( &driver, 0, sizeof( driver ) );
     driver.hal_version = version;
 
-    TEST_EQUAL( psa_register_se_driver( lifetime, &driver ),
+    TEST_EQUAL( psa_register_se_driver( location, &driver ),
                 expected_status );
 
     PSA_ASSERT( psa_crypto_init( ) );
@@ -780,16 +786,16 @@
 void register_twice( int count )
 {
     psa_drv_se_t driver;
-    psa_key_lifetime_t lifetime;
-    psa_key_lifetime_t max = MIN_DRIVER_LIFETIME + count;
+    psa_key_location_t location;
+    psa_key_location_t max = MIN_DRIVER_LOCATION + count;
 
     memset( &driver, 0, sizeof( driver ) );
     driver.hal_version = PSA_DRV_SE_HAL_VERSION;
 
-    for( lifetime = MIN_DRIVER_LIFETIME; lifetime < max; lifetime++ )
-        PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
-    for( lifetime = MIN_DRIVER_LIFETIME; lifetime < max; lifetime++ )
-        TEST_EQUAL( psa_register_se_driver( lifetime, &driver ),
+    for( location = MIN_DRIVER_LOCATION; location < max; location++ )
+        PSA_ASSERT( psa_register_se_driver( location, &driver ) );
+    for( location = MIN_DRIVER_LOCATION; location < max; location++ )
+        TEST_EQUAL( psa_register_se_driver( location, &driver ),
                     PSA_ERROR_ALREADY_EXISTS );
 
     PSA_ASSERT( psa_crypto_init( ) );
@@ -803,16 +809,16 @@
 void register_max( )
 {
     psa_drv_se_t driver;
-    psa_key_lifetime_t lifetime;
-    psa_key_lifetime_t max = MIN_DRIVER_LIFETIME + PSA_MAX_SE_DRIVERS;
+    psa_key_location_t location;
+    psa_key_location_t max = MIN_DRIVER_LOCATION + PSA_MAX_SE_DRIVERS;
 
     memset( &driver, 0, sizeof( driver ) );
     driver.hal_version = PSA_DRV_SE_HAL_VERSION;
 
-    for( lifetime = MIN_DRIVER_LIFETIME; lifetime < max; lifetime++ )
-        PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    for( location = MIN_DRIVER_LOCATION; location < max; location++ )
+        PSA_ASSERT( psa_register_se_driver( location, &driver ) );
 
-    TEST_EQUAL( psa_register_se_driver( lifetime, &driver ),
+    TEST_EQUAL( psa_register_se_driver( location, &driver ),
                 PSA_ERROR_INSUFFICIENT_MEMORY );
 
     PSA_ASSERT( psa_crypto_init( ) );
@@ -827,7 +833,8 @@
 {
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -846,7 +853,7 @@
     key_management.p_export = ram_export;
     ram_min_slot = min_slot;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     /* Create a key. */
@@ -857,7 +864,7 @@
     PSA_ASSERT( psa_import_key( &attributes,
                                 key_material, sizeof( key_material ),
                                 &handle ) );
-    if( ! check_persistent_data( lifetime,
+    if( ! check_persistent_data( location,
                                  &ram_shadow_slot_usage,
                                  sizeof( ram_shadow_slot_usage ) ) )
         goto exit;
@@ -866,9 +873,9 @@
     if( restart )
     {
         mbedtls_psa_crypto_free( );
-        PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+        PSA_ASSERT( psa_register_se_driver( location, &driver ) );
         PSA_ASSERT( psa_crypto_init( ) );
-        if( ! check_persistent_data( lifetime,
+        if( ! check_persistent_data( location,
                                      &ram_shadow_slot_usage,
                                      sizeof( ram_shadow_slot_usage ) ) )
             goto exit;
@@ -894,7 +901,7 @@
 
     PSA_ASSERT( psa_destroy_key( handle ) );
     handle = 0;
-    if( ! check_persistent_data( lifetime,
+    if( ! check_persistent_data( location,
                                  &ram_shadow_slot_usage,
                                  sizeof( ram_shadow_slot_usage ) ) )
         goto exit;
@@ -921,7 +928,8 @@
     psa_status_t status;
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -937,7 +945,7 @@
     key_management.p_destroy = ram_destroy;
     key_management.p_export = ram_export;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     /* Create a key. */
@@ -953,7 +961,7 @@
 
     if( status != PSA_SUCCESS )
         goto exit;
-    if( ! check_persistent_data( lifetime,
+    if( ! check_persistent_data( location,
                                  &ram_shadow_slot_usage,
                                  sizeof( ram_shadow_slot_usage ) ) )
         goto exit;
@@ -962,9 +970,9 @@
     if( restart )
     {
         mbedtls_psa_crypto_free( );
-        PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+        PSA_ASSERT( psa_register_se_driver( location, &driver ) );
         PSA_ASSERT( psa_crypto_init( ) );
-        if( ! check_persistent_data( lifetime,
+        if( ! check_persistent_data( location,
                                      &ram_shadow_slot_usage,
                                      sizeof( ram_shadow_slot_usage ) ) )
             goto exit;
@@ -980,7 +988,7 @@
 
     PSA_ASSERT( psa_destroy_key( handle ) );
     handle = 0;
-    if( ! check_persistent_data( lifetime,
+    if( ! check_persistent_data( location,
                                  &ram_shadow_slot_usage,
                                  sizeof( ram_shadow_slot_usage ) ) )
         goto exit;
@@ -1002,7 +1010,8 @@
     psa_algorithm_t alg = alg_arg;
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -1016,7 +1025,7 @@
     key_management.p_import = null_import;
     key_management.p_destroy = null_destroy;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     /* Create a key. */
@@ -1031,7 +1040,7 @@
     PSA_ASSERT( psa_import_key( &attributes,
                                 key_material->x, key_material->len,
                                 &handle ) );
-    if( ! check_persistent_data( lifetime,
+    if( ! check_persistent_data( location,
                                  &shadow_counter, sizeof( shadow_counter ) ) )
         goto exit;
 
@@ -1041,9 +1050,9 @@
 
     /* Restart and try again. */
     mbedtls_psa_crypto_free( );
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
-    if( ! check_persistent_data( lifetime,
+    if( ! check_persistent_data( location,
                                  &shadow_counter, sizeof( shadow_counter ) ) )
         goto exit;
     PSA_ASSERT( psa_open_key( id, &handle ) );
@@ -1053,7 +1062,7 @@
     /* We're done. */
     PSA_ASSERT( psa_destroy_key( handle ) );
     handle = 0;
-    if( ! check_persistent_data( lifetime,
+    if( ! check_persistent_data( location,
                                  &shadow_counter, sizeof( shadow_counter ) ) )
         goto exit;
     TEST_EQUAL( psa_open_key( id, &handle ),
@@ -1073,7 +1082,8 @@
     size_t bits = bits_arg;
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -1086,7 +1096,7 @@
     key_management.p_allocate = counter_allocate;
     /* No p_generate method */
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_id( &attributes, id );
@@ -1111,7 +1121,8 @@
     psa_algorithm_t alg = alg_arg;
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -1125,7 +1136,7 @@
     key_management.p_generate = null_generate;
     key_management.p_destroy = null_destroy;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     /* Create a key. */
@@ -1139,7 +1150,7 @@
     psa_set_key_type( &attributes, type );
     psa_set_key_bits( &attributes, bits );
     PSA_ASSERT( psa_generate_key( &attributes, &handle ) );
-    if( ! check_persistent_data( lifetime,
+    if( ! check_persistent_data( location,
                                  &shadow_counter, sizeof( shadow_counter ) ) )
         goto exit;
 
@@ -1149,9 +1160,9 @@
 
     /* Restart and try again. */
     mbedtls_psa_crypto_free( );
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
-    if( ! check_persistent_data( lifetime,
+    if( ! check_persistent_data( location,
                                  &shadow_counter, sizeof( shadow_counter ) ) )
         goto exit;
     PSA_ASSERT( psa_open_key( id, &handle ) );
@@ -1161,7 +1172,7 @@
     /* We're done. */
     PSA_ASSERT( psa_destroy_key( handle ) );
     handle = 0;
-    if( ! check_persistent_data( lifetime,
+    if( ! check_persistent_data( location,
                                  &shadow_counter, sizeof( shadow_counter ) ) )
         goto exit;
     TEST_EQUAL( psa_open_key( id, &handle ),
@@ -1190,7 +1201,8 @@
     psa_drv_se_key_management_t key_management;
     psa_drv_se_asymmetric_t asymmetric;
 
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t drv_handle = 0; /* key managed by the driver */
     psa_key_handle_t sw_handle = 0; /* transparent key */
@@ -1229,7 +1241,7 @@
     }
     asymmetric.p_verify = ram_verify;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     /* Prepare to create two keys with the same key material: a transparent
@@ -1347,6 +1359,7 @@
                               int expected_status_arg )
 {
     psa_key_lifetime_t lifetime = lifetime_arg;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_status_t expected_status = expected_status_arg;
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
@@ -1371,7 +1384,7 @@
             ( validate > 0 ? PSA_SUCCESS : PSA_ERROR_NOT_PERMITTED );
     }
 
-    PSA_ASSERT( psa_register_se_driver( MIN_DRIVER_LIFETIME, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( MIN_DRIVER_LOCATION, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_id( &attributes, id );
@@ -1395,7 +1408,7 @@
 
     /* Restart and try again. */
     PSA_DONE( );
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
     PSA_ASSERT( psa_open_key( id, &handle ) );
     if( ! check_key_attributes( handle, &attributes ) )
diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.data b/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.data
index f60bd76..23e035a 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.data
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.data
@@ -1,11 +1,14 @@
 SE init mock test: success
-mock_init:2:PSA_SUCCESS:PSA_SUCCESS:PSA_SUCCESS:1
+mock_init:1:PSA_SUCCESS:PSA_SUCCESS:PSA_SUCCESS:1
 
 SE init mock test: failure
-mock_init:2:PSA_SUCCESS:PSA_ERROR_HARDWARE_FAILURE:PSA_ERROR_HARDWARE_FAILURE:1
+mock_init:1:PSA_SUCCESS:PSA_ERROR_HARDWARE_FAILURE:PSA_ERROR_HARDWARE_FAILURE:1
 
-SE init mock test: invalid lifetime
-mock_init:1:PSA_ERROR_INVALID_ARGUMENT:PSA_ERROR_BAD_STATE:PSA_SUCCESS:0
+SE init mock test: invalid location (0)
+mock_init:0:PSA_ERROR_INVALID_ARGUMENT:PSA_ERROR_BAD_STATE:PSA_SUCCESS:0
+
+SE init mock test: location not supported (INT_MAX)
+mock_init:INT_MAX:PSA_ERROR_NOT_SUPPORTED:PSA_ERROR_BAD_STATE:PSA_SUCCESS:0
 
 SE key importing mock test
 mock_import:PSA_SUCCESS:PSA_SUCCESS:0:PSA_SUCCESS
diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function b/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function
index 9f17b84..f6acb07 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function
@@ -5,10 +5,16 @@
 #include "psa_crypto_se.h"
 #include "psa_crypto_storage.h"
 
+/** The location and lifetime used for tests that use a single driver. */
+#define TEST_DRIVER_LOCATION 1
+#define TEST_SE_PERSISTENT_LIFETIME                             \
+    ( PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(           \
+        PSA_KEY_PERSISTENCE_DEFAULT, TEST_DRIVER_LOCATION ) )
+
 static struct
 {
     uint16_t called;
-    psa_key_lifetime_t lifetime;
+    psa_key_location_t location;
     psa_status_t return_value;
 } mock_init_data;
 
@@ -84,7 +90,7 @@
 static void psa_purge_storage( void )
 {
     psa_key_id_t id;
-    psa_key_lifetime_t lifetime;
+    psa_key_location_t location;
     /* The tests may have potentially created key ids from 1 to
      * MAX_KEY_ID_FOR_TEST. In addition, run the destroy function on key id
      * 0, which file-based storage uses as a temporary file. */
@@ -93,8 +99,8 @@
     /* Purge the transaction file. */
     psa_crypto_stop_transaction( );
     /* Purge driver persistent data. */
-    for( lifetime = 0; lifetime < PSA_MAX_SE_LIFETIME; lifetime++ )
-        psa_destroy_se_persistent_data( lifetime );
+    for( location = 0; location < PSA_MAX_SE_LOCATION; location++ )
+        psa_destroy_se_persistent_data( location );
 }
 
 static void mock_teardown( void )
@@ -113,13 +119,13 @@
 
 static psa_status_t mock_init( psa_drv_se_context_t *drv_context,
                                void *persistent_data,
-                               psa_key_lifetime_t lifetime )
+                               psa_key_location_t location )
 {
     (void) drv_context;
     (void) persistent_data;
 
     mock_init_data.called++;
-    mock_init_data.lifetime = lifetime;
+    mock_init_data.location = location;
     return( mock_init_data.return_value );
 }
 
@@ -279,13 +285,13 @@
  */
 
 /* BEGIN_CASE */
-void mock_init( int lifetime_arg,
+void mock_init( int location_arg,
                 int expected_register_status_arg,
                 int driver_status_arg,
                 int expected_psa_status_arg,
                 int expected_called )
 {
-    psa_key_lifetime_t lifetime = lifetime_arg;
+    psa_key_location_t location = location_arg;
     psa_status_t expected_register_status = expected_register_status_arg;
     psa_status_t driver_status = driver_status_arg;
     psa_status_t expected_psa_status = expected_psa_status_arg;
@@ -297,7 +303,7 @@
 
     mock_init_data.return_value = driver_status;
 
-    TEST_EQUAL( psa_register_se_driver( lifetime, &driver ),
+    TEST_EQUAL( psa_register_se_driver( location, &driver ),
                 expected_register_status );
 
     psa_crypto_init_called = 1;
@@ -305,7 +311,7 @@
 
     TEST_EQUAL( mock_init_data.called, expected_called );
     if( expected_called )
-        TEST_EQUAL( mock_init_data.lifetime, lifetime );
+        TEST_EQUAL( mock_init_data.location, location );
 
 exit:
     if( psa_crypto_init_called )
@@ -322,7 +328,8 @@
 {
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -339,7 +346,7 @@
     key_management.p_destroy = mock_destroy;
     key_management.p_allocate = mock_allocate;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_id( &attributes, id );
@@ -378,7 +385,8 @@
 {
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -397,7 +405,7 @@
     key_management.p_destroy = mock_destroy;
     key_management.p_allocate = mock_allocate;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_id( &attributes, id );
@@ -431,7 +439,8 @@
 {
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -446,7 +455,7 @@
     key_management.p_destroy = mock_destroy;
     key_management.p_allocate = mock_allocate;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_id( &attributes, id );
@@ -485,7 +494,8 @@
 {
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -503,7 +513,7 @@
     key_management.p_destroy = mock_destroy;
     key_management.p_allocate = mock_allocate;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_id( &attributes, id );
@@ -534,7 +544,8 @@
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
     psa_drv_se_asymmetric_t asymmetric;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -559,7 +570,7 @@
     driver.asymmetric = &asymmetric;
     asymmetric.p_sign = mock_sign;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_id( &attributes, id );
@@ -594,7 +605,8 @@
     psa_drv_se_t driver;
     psa_drv_se_key_management_t key_management;
     psa_drv_se_asymmetric_t asymmetric;
-    psa_key_lifetime_t lifetime = 2;
+    psa_key_lifetime_t lifetime = TEST_SE_PERSISTENT_LIFETIME;
+    psa_key_location_t location = PSA_KEY_LIFETIME_GET_LOCATION( lifetime );
     psa_key_id_t id = 1;
     psa_key_handle_t handle = 0;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -618,7 +630,7 @@
     driver.asymmetric = &asymmetric;
     asymmetric.p_verify = mock_verify;
 
-    PSA_ASSERT( psa_register_se_driver( lifetime, &driver ) );
+    PSA_ASSERT( psa_register_se_driver( location, &driver ) );
     PSA_ASSERT( psa_crypto_init( ) );
 
     psa_set_key_id( &attributes, id );
diff --git a/tests/suites/test_suite_psa_its.function b/tests/suites/test_suite_psa_its.function
index a1d39bf..04a735a 100644
--- a/tests/suites/test_suite_psa_its.function
+++ b/tests/suites/test_suite_psa_its.function
@@ -1,4 +1,10 @@
 /* BEGIN_HEADER */
+
+/* This test file is specific to the ITS implementation in PSA Crypto
+ * on top of stdio. It expects to know what the stdio name of a file is
+ * based on its keystore name.
+ */
+
 #include "../library/psa_crypto_its.h"
 
 #include "psa_helpers.h"
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index d4acc2d..9a3b583 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -1506,7 +1506,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_ENTROPY_C:ENTROPY_HAVE_STRONG */
+/* BEGIN_CASE depends_on:MBEDTLS_ENTROPY_C:ENTROPY_HAVE_STRONG:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void mbedtls_rsa_validate_params( int radix_N, char *input_N,
                                   int radix_P, char *input_P,
                                   int radix_Q, char *input_Q,
diff --git a/tests/suites/test_suite_ssl.data b/tests/suites/test_suite_ssl.data
index 9af6a5c..aa314dd 100644
--- a/tests/suites/test_suite_ssl.data
+++ b/tests/suites/test_suite_ssl.data
@@ -4154,6 +4154,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_128_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, AES-128-GCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_GCM_C
+ssl_crypt_record:MBEDTLS_CIPHER_AES_128_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, AES-128-GCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_128_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -4178,6 +4182,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_192_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, AES-192-GCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_GCM_C
+ssl_crypt_record:MBEDTLS_CIPHER_AES_192_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, AES-192-GCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_192_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -4202,6 +4210,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_256_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, AES-256-GCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_GCM_C
+ssl_crypt_record:MBEDTLS_CIPHER_AES_256_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, AES-256-GCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_256_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -4298,6 +4310,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_128_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, AES-128-CCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_CCM_C
+ssl_crypt_record:MBEDTLS_CIPHER_AES_128_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, AES-128-CCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_128_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -4322,6 +4338,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_192_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, AES-192-CCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_CCM_C
+ssl_crypt_record:MBEDTLS_CIPHER_AES_192_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, AES-192-CCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_192_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -4346,6 +4366,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_256_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, AES-256-CCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_CCM_C
+ssl_crypt_record:MBEDTLS_CIPHER_AES_256_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, AES-256-CCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record:MBEDTLS_CIPHER_AES_256_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -5018,10 +5042,18 @@
 depends_on:MBEDTLS_CHACHAPOLY_C:MBEDTLS_SSL_PROTO_TLS1_2
 ssl_crypt_record:MBEDTLS_CIPHER_CHACHA20_POLY1305:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, ChachaPoly, 1.3
+depends_on:MBEDTLS_CHACHAPOLY_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL
+ssl_crypt_record:MBEDTLS_CIPHER_CHACHA20_POLY1305:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, little space, ChachaPoly
 depends_on:MBEDTLS_CHACHAPOLY_C:MBEDTLS_SSL_PROTO_TLS1_2
 ssl_crypt_record_small:MBEDTLS_CIPHER_CHACHA20_POLY1305:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, little space, ChachaPoly, 1.3
+depends_on:MBEDTLS_CHACHAPOLY_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL
+ssl_crypt_record_small:MBEDTLS_CIPHER_CHACHA20_POLY1305:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, little space, ChachaPoly, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_CHACHAPOLY_C:MBEDTLS_SSL_PROTO_TLS1_2
 ssl_crypt_record_small:MBEDTLS_CIPHER_CHACHA20_POLY1305:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -8554,6 +8586,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_128_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, little space, AES-128-GCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_GCM_C
+ssl_crypt_record_small:MBEDTLS_CIPHER_AES_128_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, little space, AES-128-GCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_128_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -8578,6 +8614,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_192_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, little space, AES-192-GCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_GCM_C
+ssl_crypt_record_small:MBEDTLS_CIPHER_AES_192_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, little space, AES-192-GCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_192_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -8602,6 +8642,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_256_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, little space, AES-256-GCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_GCM_C
+ssl_crypt_record_small:MBEDTLS_CIPHER_AES_256_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, little space, AES-256-GCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_GCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_256_GCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -8698,6 +8742,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_128_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, little space, AES-128-CCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_CCM_C
+ssl_crypt_record_small:MBEDTLS_CIPHER_AES_128_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, little space, AES-128-CCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_128_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -8722,6 +8770,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_192_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, little space, AES-192-CCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_CCM_C
+ssl_crypt_record_small:MBEDTLS_CIPHER_AES_192_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, little space, AES-192-CCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_192_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
@@ -8746,6 +8798,10 @@
 depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_256_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:0:0
 
+Record crypt, little space, AES-256-CCM, 1.3
+depends_on:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL:MBEDTLS_CCM_C
+ssl_crypt_record_small:MBEDTLS_CIPHER_AES_256_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_4:0:0
+
 Record crypt, little space, AES-256-CCM, 1.2, CID 4+4
 depends_on:MBEDTLS_SSL_DTLS_CONNECTION_ID:MBEDTLS_AES_C:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_CCM_C
 ssl_crypt_record_small:MBEDTLS_CIPHER_AES_256_CCM:MBEDTLS_MD_MD5:0:0:MBEDTLS_SSL_MINOR_VERSION_3:4:4
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index e59a167..6b32ca3 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -701,7 +701,9 @@
     return msg_len;
 }
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#if defined(MBEDTLS_X509_CRT_PARSE_C) && \
+    defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C)
 
 /*
  * Structure with endpoint's certificates for SSL communication tests.
@@ -1007,7 +1009,7 @@
     return ( max_steps >= 0 ) ? ret : -1;
 }
 
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#endif /* MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
 
 /*
  * Write application data. Increase write counter if necessary.
@@ -1306,8 +1308,18 @@
     {
         case MBEDTLS_MODE_GCM:
         case MBEDTLS_MODE_CCM:
-            t_out->fixed_ivlen = 4;
-            t_in->fixed_ivlen = 4;
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+            if( ver == MBEDTLS_SSL_MINOR_VERSION_4 )
+            {
+                t_out->fixed_ivlen = 12;
+                t_in->fixed_ivlen  = 12;
+            }
+            else
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+            {
+                t_out->fixed_ivlen = 4;
+                t_in->fixed_ivlen = 4;
+            }
             t_out->maclen = 0;
             t_in->maclen = 0;
             switch( tag_mode )
@@ -1637,7 +1649,9 @@
                                   ssl_2, 256, 1 );
 }
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#if defined(MBEDTLS_X509_CRT_PARSE_C) && \
+    defined(MBEDTLS_ENTROPY_C) && \
+    defined(MBEDTLS_CTR_DRBG_C)
 void perform_handshake( handshake_test_options* options )
 {
     /* forced_ciphersuite needs to last until the end of the handshake */
@@ -1974,7 +1988,7 @@
         mbedtls_free( context_buf );
 #endif
 }
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#endif /* MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
 
 /* END_HEADER */
 
@@ -3178,6 +3192,26 @@
             continue;
         }
 
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+        if( rec.cid_len != 0 )
+        {
+            /* DTLS 1.2 + CID hides the real content type and
+             * uses a special CID content type in the protected
+             * record. Double-check this. */
+            TEST_ASSERT( rec.type == MBEDTLS_SSL_MSG_CID );
+        }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+        if( t_enc->minor_ver == MBEDTLS_SSL_MINOR_VERSION_4 )
+        {
+            /* TLS 1.3 hides the real content type and
+             * always uses Application Data as the content type
+             * for protected records. Double-check this. */
+            TEST_ASSERT( rec.type == MBEDTLS_SSL_MSG_APPLICATION_DATA );
+        }
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+
         /* Decrypt record with t_dec */
         ret = mbedtls_ssl_decrypt_buf( &ssl, t_dec, &rec );
         TEST_ASSERT( ret == 0 );
@@ -3321,6 +3355,26 @@
             if( ret != 0 )
                 continue;
 
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+            if( rec.cid_len != 0 )
+            {
+                /* DTLS 1.2 + CID hides the real content type and
+                 * uses a special CID content type in the protected
+                 * record. Double-check this. */
+                TEST_ASSERT( rec.type == MBEDTLS_SSL_MSG_CID );
+            }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+            if( t_enc->minor_ver == MBEDTLS_SSL_MINOR_VERSION_4 )
+            {
+                /* TLS 1.3 hides the real content type and
+                 * always uses Application Data as the content type
+                 * for protected records. Double-check this. */
+                TEST_ASSERT( rec.type == MBEDTLS_SSL_MSG_APPLICATION_DATA );
+            }
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+
             /* Decrypt record with t_dec */
             TEST_ASSERT( mbedtls_ssl_decrypt_buf( &ssl, t_dec, &rec ) == 0 );
 
@@ -3671,7 +3725,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15 */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_ENTROPY_C:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void mbedtls_endpoint_sanity( int endpoint_type )
 {
     enum { BUFFSIZE = 1024 };
@@ -3694,7 +3748,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15 */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_ENTROPY_C:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void move_handshake_to_state(int endpoint_type, int state, int need_pass)
 {
     enum { BUFFSIZE = 1024 };
@@ -3736,7 +3790,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void handshake_version( int version, int dtls )
 {
     handshake_test_options options;
@@ -3759,7 +3813,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2 */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void handshake_psk_cipher( char* cipher, int pk_alg, data_t *psk_str, int dtls )
 {
     handshake_test_options options;
@@ -3777,7 +3831,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2 */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void handshake_cipher( char* cipher, int pk_alg, int dtls )
 {
     test_handshake_psk_cipher( cipher, pk_alg, NULL, dtls );
@@ -3787,7 +3841,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void app_data( int mfl, int cli_msg_len, int srv_msg_len,
                int expected_cli_fragments,
                int expected_srv_fragments, int dtls )
@@ -3808,7 +3862,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void app_data_tls( int mfl, int cli_msg_len, int srv_msg_len,
                    int expected_cli_fragments,
                    int expected_srv_fragments )
@@ -3820,7 +3874,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void app_data_dtls( int mfl, int cli_msg_len, int srv_msg_len,
                     int expected_cli_fragments,
                     int expected_srv_fragments )
@@ -3832,7 +3886,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_CONTEXT_SERIALIZATION */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_CONTEXT_SERIALIZATION:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void handshake_serialization( )
 {
     handshake_test_options options;
@@ -3846,7 +3900,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_DEBUG_C:MBEDTLS_SSL_MAX_FRAGMENT_LENGTH:MBEDTLS_CIPHER_MODE_CBC */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_DEBUG_C:MBEDTLS_SSL_MAX_FRAGMENT_LENGTH:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void handshake_fragmentation( int mfl, int expected_srv_hs_fragmentation, int expected_cli_hs_fragmentation)
 {
     handshake_test_options options;
@@ -3882,7 +3936,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void renegotiation( int legacy_renegotiation )
 {
     handshake_test_options options;
@@ -3898,7 +3952,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void resize_buffers( int mfl, int renegotiation, int legacy_renegotiation,
                      int serialize, int dtls, char *cipher )
 {
@@ -3919,7 +3973,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_CONTEXT_SERIALIZATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_CONTEXT_SERIALIZATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void resize_buffers_serialize_mfl( int mfl )
 {
     test_resize_buffers( mfl, 0, MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION, 1, 1,
@@ -3930,7 +3984,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void resize_buffers_renegotiate_mfl( int mfl, int legacy_renegotiation,
                                      char *cipher )
 {
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 37e759f..0ba3b2c 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -174,9 +174,13 @@
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_SHA1_C
 x509_cert_info:"data_files/bitstring-in-dn.pem":"cert. version     \: 3\nserial number     \: 02\nissuer name       \: CN=Test CA 01, ST=Ecnivorp, C=XX, emailAddress=tca@example.com, O=Test CA Authority\nsubject name      \: C=XX, O=tca, ST=Ecnivorp, OU=TCA, CN=Client, emailAddress=client@example.com, serialNumber=7101012255, uniqueIdentifier=?7101012255\nissued  on        \: 2015-03-11 12\:06\:51\nexpires on        \: 2025-03-08 12\:06\:51\nsigned using      \: RSA with SHA1\nRSA key size      \: 2048 bits\nbasic constraints \: CA=false\nsubject alt name  \:\n    <unsupported>\next key usage     \: TLS Web Client Authentication\n"
 
+X509 CRT information Non-ASCII string in issuer name and subject name
+depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509_cert_info:"data_files/non-ascii-string-in-issuer.crt":"cert. version     \: 3\nserial number     \: 05\:E6\:53\:E7\:1B\:74\:F0\:B5\:D3\:84\:6D\:0C\:6D\:DC\:FA\:3F\:A4\:5A\:2B\:E0\nissuer name       \: C=JP, ST=Tokyo, O=?????????????????? Ltd, CN=?????????????????? CA\nsubject name      \: C=JP, ST=Tokyo, O=?????????????????? Ltd, CN=?????????????????? CA\nissued  on        \: 2020-05-20 16\:17\:23\nexpires on        \: 2020-06-19 16\:17\:23\nsigned using      \: RSA with SHA-256\nRSA key size      \: 2048 bits\nbasic constraints \: CA=true\n"
+
 X509 certificate v1 with extension
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3:MBEDTLS_SHA1_C
-x509_cert_info:"data_files/cert_v1_with_ext.crt":"cert. version     \: 1\nserial number     \: BD\:ED\:44\:C7\:D2\:3E\:C2\:A4\nissuer name       \: C=XX, ST=XX, L=XX, O=XX, OU=XX, emailAddress=admin@identity-check.org, CN=identity-check.org\nsubject name      \: C=XX, ST=XX, L=XX, O=XX, OU=XX, emailAddress=admin@identity-check.org, CN=identity-check.org\nissued  on        \: 2013-07-04 16\:17\:02\nexpires on        \: 2014-07-04 16\:17\:02\nsigned using      \: RSA with SHA1\nRSA key size      \: 2048 bits\nsubject alt name  \:\n    dNSName \: identity-check.org\n    dNSName \: www.identity-check.org\n"
+x509_cert_info:"data_files/cert_v1_with_ext.crt":"cert. version     \: 1\nserial number     \: BD\:ED\:44\:C7\:D2\:3E\:C2\:A4\nissuer name       \: C=XX, ST=XX, L=XX, O=XX, OU=XX, emailAddress=admin@identity-check.org, CN=identity-check.org\nsubject name      \: C=XX, ST=XX, L=XX, O=XX, OU=XX, emailAddress=admin@identity-check.org, CN=identity-check.org\nissued  on        \: 2013-07-04 16\:17\:02\nexpires on        \: 2014-07-04 16\:17\:02\nsigned using      \: RSA with SHA1\nRSA key size      \: 2048 bits\nsubject alt name  \:\n    dNSName \: identity-check.org\n    dNSName \: www.identity-check.org\n    <unsupported>\n"
 
 X509 SAN parsing otherName
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C
@@ -1563,7 +1567,7 @@
 x509parse_crt:"308198308182a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa201300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_FORMAT + MBEDTLS_ERR_ASN1_OUT_OF_DATA
 
 X509 CRT ASN1 (TBS, valid IssuerID, inv SubjectID, inv tag)
-depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+depends_on:!MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
 x509parse_crt:"30819a308184a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa1000500300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_FORMAT + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH
 
 X509 CRT ASN1 (TBSCertificate v3, ext SubjectAlternativeName malformed)
@@ -1583,13 +1587,21 @@
 x509parse_crt:"30819a308184a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa100a201300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_FORMAT + MBEDTLS_ERR_ASN1_OUT_OF_DATA
 
 X509 CRT ASN1 (TBS, IssuerID unsupported in v1 CRT)
-depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+depends_on:!MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
 x509parse_crt:"30819a308184a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa100a201300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_FORMAT + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH
 
+X509 CRT ASN1 (TBS, IssuerID unsupported in v1 CRT, ALLOW_EXTENSIONS_NON_V3)
+depends_on:MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"30819a308184a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa100a201300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
+
 X509 CRT ASN1 (TBS, SubjectID unsupported in v1 CRT)
-depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+depends_on:!MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
 x509parse_crt:"30819a308184a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa200a201300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_FORMAT + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH
 
+X509 CRT ASN1 (TBS, SubjectID unsupported in v1 CRT, ALLOW_EXTENSIONS_NON_V3)
+depends_on:MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"30819a308184a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa200a201300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
+
 X509 CRT ASN1 (TBS, inv v3Ext, inv tag)
 depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
 x509parse_crt:"30819c308186a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa100a2000500300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
@@ -1838,12 +1850,24 @@
 depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
 x509parse_crt:"3081dc3081c6a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa100a200a321301f301d0603551d11041630148208666f6f2e7465737482086261722e74657374301d0603551d11041630148208666f6f2e7465737482086261722e74657374300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_FORMAT + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH
 
-X509 CRT ASN1 (TBS, valid v3Ext in v1 CRT)
+X509 CRT (TBS, valid v3Ext in v1 CRT, ALLOW_EXTENSIONS_NON_V3)
+depends_on:MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"3081b93081a3a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa321301f301d0603551d11041630148208666f6f2e7465737482086261722e74657374300d06092a864886f70d01010b0500030200ff":"cert. version     \: 1\nserial number     \: DE\:AD\:BE\:EF\nissuer name       \: ??=Test\nsubject name      \: ??=Test\nissued  on        \: 2009-01-01 00\:00\:00\nexpires on        \: 2009-12-31 23\:59\:59\nsigned using      \: RSA with SHA-256\nRSA key size      \: 128 bits\nsubject alt name  \:\n    dNSName \: foo.test\n    dNSName \: bar.test\n":0
+
+X509 CRT (TBS, valid v3Ext in v2 CRT, ALLOW_EXTENSIONS_NON_V3)
+depends_on:MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"3081b93081a3a0030201018204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa321301f301d0603551d11041630148208666f6f2e7465737482086261722e74657374300d06092a864886f70d01010b0500030200ff":"cert. version     \: 2\nserial number     \: DE\:AD\:BE\:EF\nissuer name       \: ??=Test\nsubject name      \: ??=Test\nissued  on        \: 2009-01-01 00\:00\:00\nexpires on        \: 2009-12-31 23\:59\:59\nsigned using      \: RSA with SHA-256\nRSA key size      \: 128 bits\nsubject alt name  \:\n    dNSName \: foo.test\n    dNSName \: bar.test\n":0
+
+X509 CRT (TBS, valid v3Ext in v3 CRT)
 depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"3081b93081a3a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa321301f301d0603551d11041630148208666f6f2e7465737482086261722e74657374300d06092a864886f70d01010b0500030200ff":"cert. version     \: 3\nserial number     \: DE\:AD\:BE\:EF\nissuer name       \: ??=Test\nsubject name      \: ??=Test\nissued  on        \: 2009-01-01 00\:00\:00\nexpires on        \: 2009-12-31 23\:59\:59\nsigned using      \: RSA with SHA-256\nRSA key size      \: 128 bits\nsubject alt name  \:\n    dNSName \: foo.test\n    dNSName \: bar.test\n":0
+
+X509 CRT ASN1 (TBS, valid v3Ext in v1 CRT)
+depends_on:!MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
 x509parse_crt:"3081b93081a3a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa321301f301d0603551d11041630148208666f6f2e7465737482086261722e74657374300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_FORMAT + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH
 
 X509 CRT ASN1 (TBS, valid v3Ext in v2 CRT)
-depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+depends_on:!MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
 x509parse_crt:"3081b93081a3a0030201018204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffffa321301f301d0603551d11041630148208666f6f2e7465737482086261722e74657374300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_FORMAT + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH
 
 X509 CRT ASN1 (TBS, valid SubjectID, valid IssuerID, inv v3Ext, SubjectAltName repeated outside Extensions, inv SubjectAltNames tag)
diff --git a/visualc/VS2010/aescrypt2.vcxproj b/visualc/VS2010/aescrypt2.vcxproj
index 0fdd299..3ae59dc 100644
--- a/visualc/VS2010/aescrypt2.vcxproj
+++ b/visualc/VS2010/aescrypt2.vcxproj
@@ -89,18 +89,15 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 ../../include;../../3rdparty/everest/include/;../../3rdparty/everest/include/everest;../../3rdparty/everest/include/everest/vs2010;../../3rdparty/everest/include/everest/kremlib      </AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <ShowProgress>NotSet</ShowProgress>
       <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>Debug</AdditionalLibraryDirectories>
     </Link>
@@ -110,18 +107,15 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 ../../include;../../3rdparty/everest/include/;../../3rdparty/everest/include/everest;../../3rdparty/everest/include/everest/vs2010;../../3rdparty/everest/include/everest/kremlib      </AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <ShowProgress>NotSet</ShowProgress>
       <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>Debug</AdditionalLibraryDirectories>
     </Link>
@@ -132,12 +126,10 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 ../../include;../../3rdparty/everest/include/;../../3rdparty/everest/include/everest;../../3rdparty/everest/include/everest/vs2010;../../3rdparty/everest/include/everest/kremlib      </AdditionalIncludeDirectories>
     </ClCompile>
@@ -153,12 +145,10 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
-      <PrecompiledHeader>
-      </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN64;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>
 ../../include;../../3rdparty/everest/include/;../../3rdparty/everest/include/everest;../../3rdparty/everest/include/everest/vs2010;../../3rdparty/everest/include/everest/kremlib      </AdditionalIncludeDirectories>
     </ClCompile>
diff --git a/visualc/VS2010/benchmark.vcxproj b/visualc/VS2010/benchmark.vcxproj
index 4bf7f6f..2836f14 100644
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-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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-      <PreprocessorDefinitions>WIN64;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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index 14186b2..c778e8a 100644
--- a/visualc/VS2010/dh_client.vcxproj
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-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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index ff1e85c..3b4fead 100644
--- a/visualc/VS2010/dh_genprime.vcxproj
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index bc256c1..bf930de 100644
--- a/visualc/VS2010/dh_server.vcxproj
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index 05c9670..5bd7a8a 100644
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index 7a1e862..32eda34 100644
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index 88112f5..ecdabf1 100644
--- a/visualc/VS2010/hello.vcxproj
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-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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index e90d9da..aca1a03 100644
--- a/visualc/VS2010/key_app.vcxproj
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index 002f9e8..64f2e27 100644
--- a/visualc/VS2010/key_app_writer.vcxproj
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index f157da7..a3b6b4a 100644
--- a/visualc/VS2010/key_ladder_demo.vcxproj
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index b7678ff..11c7e38 100644
--- a/visualc/VS2010/mbedTLS.vcxproj
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index 9f17519..50f4b22 100644
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index 0cc8a28..de793db 100644
--- a/visualc/VS2010/query_compile_time_config.vcxproj
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index 99e9801..9259871 100644
--- a/visualc/VS2010/req_app.vcxproj
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index 137d2bc..e7fe01b 100644
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index 1081579..6e1b96b 100644
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index d460a7f..1038db5 100644
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-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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index b8a09ee..5007881 100644
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-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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index 5ce8410..3409753 100644
--- a/visualc/VS2010/rsa_verify.vcxproj
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index 2cc576b..4769958 100644
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index 42fb32a..3dcc8c8 100644
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index 1ab9e86..ff1ba98 100644
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-      <PreprocessorDefinitions>WIN64;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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diff --git a/visualc/VS2010/udp_proxy.vcxproj b/visualc/VS2010/udp_proxy.vcxproj
index 49f9240..6b2ed36 100644
--- a/visualc/VS2010/udp_proxy.vcxproj
+++ b/visualc/VS2010/udp_proxy.vcxproj
@@ -89,18 +89,15 @@
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       <GenerateDebugInformation>true</GenerateDebugInformation>
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-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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@@ -153,12 +145,10 @@
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-      <PreprocessorDefinitions>WIN64;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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diff --git a/visualc/VS2010/zeroize.vcxproj b/visualc/VS2010/zeroize.vcxproj
index 932c802..4fa6bac 100644
--- a/visualc/VS2010/zeroize.vcxproj
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@@ -89,18 +89,15 @@
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@@ -110,18 +107,15 @@
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@@ -132,12 +126,10 @@
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+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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