Merge remote-tracking branch 'origin/pr/2538' into development

* origin/pr/2538:
  Remove unneeded whitespaces
  Fix mingw CI failures
  Initialize psa_crypto in ssl test
  Fix missing tls version test failures
  Fix typo
  Fix ChangeLog entry location
  Add changeLog entry
  Add test for export keys functionality
  Add function to retrieve the tls_prf type
  Add tests for the public tls_prf API
  Add public API for tls_prf
  Add eap-tls key derivation in the examples.
  Add ChangeLog entry
  Add an extra key export function
  Have the temporary buffer allocated dynamically
  Zeroize secret data in the exit point
  Add a single exit point in key derivation function
diff --git a/.gitignore b/.gitignore
index f40064d..789f57e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,20 @@
+# Random seed file created by test scripts and sample programs
+seedfile
+
+# CMake build artifacts:
 CMakeCache.txt
 CMakeFiles
 CTestTestfile.cmake
 cmake_install.cmake
 Testing
+# CMake generates *.dir/ folders for in-tree builds (used by MSVC projects), ignore all of those:
+*.dir/
+# MSVC files generated by CMake:
+/*.sln
+/*.vcxproj
+/*.filters
+
+# Test coverage build artifacts:
 Coverage
 *.gcno
 *.gcda
@@ -10,11 +22,6 @@
 # generated by scripts/memory.sh
 massif-*
 
-# MSVC files generated by CMake:
-/*.sln
-/*.vcxproj
-/*.filters
-
 # MSVC build artifacts:
 *.exe
 *.pdb
@@ -24,5 +31,13 @@
 # Python build artifacts:
 *.pyc
 
-# CMake generates *.dir/ folders for in-tree builds (used by MSVC projects), ignore all of those:
-*.dir/
+# Generated documentation:
+/apidoc
+
+# Editor navigation files:
+/GPATH
+/GRTAGS
+/GSYMS
+/GTAGS
+/TAGS
+/tags
diff --git a/.globalrc b/.globalrc
new file mode 100644
index 0000000..01b2ea5
--- /dev/null
+++ b/.globalrc
@@ -0,0 +1,3 @@
+default:\
+    :langmap=c\:.c.h.function:\
+
diff --git a/ChangeLog b/ChangeLog
index 8044ae5..34defcc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -9,6 +9,8 @@
      Contributed by Jack Lloyd and Fortanix Inc.
    * Add the Wi-SUN Field Area Network (FAN) device extended key usage.
    * Add the oid certificate policy x509 extension.
+   * It is now possible to perform RSA PKCS v1.5 signatures with RIPEMD-160 digest.
+     Contributed by Jack Lloyd and Fortanix Inc.
    * Extend the MBEDTLS_SSL_EXPORT_KEYS to export the handshake randbytes,
      and the used tls-prf.
    * Add public API for tls-prf function, according to requested enum.
diff --git a/Makefile b/Makefile
index a5b8b61..3833185 100644
--- a/Makefile
+++ b/Makefile
@@ -138,3 +138,12 @@
 apidoc_clean:
 	rm -rf apidoc
 endif
+
+## Editor navigation files
+C_SOURCE_FILES = $(wildcard include/*/*.h library/*.[hc] programs/*/*.[hc] tests/suites/*.function)
+tags: $(C_SOURCE_FILES)
+	ctags -o $@ $(C_SOURCE_FILES)
+TAGS: $(C_SOURCE_FILES)
+	etags -o $@ $(C_SOURCE_FILES)
+GPATH GRTAGS GSYMS GTAGS: $(C_SOURCE_FILES)
+	ls $(C_SOURCE_FILES) | gtags -f - --gtagsconf .globalrc
diff --git a/include/mbedtls/oid.h b/include/mbedtls/oid.h
index 55f72c8..f05a6ec 100644
--- a/include/mbedtls/oid.h
+++ b/include/mbedtls/oid.h
@@ -259,6 +259,8 @@
 
 #define MBEDTLS_OID_DIGEST_ALG_SHA512           MBEDTLS_OID_NIST_ALG "\x02\x03" /**< id-mbedtls_sha512 OBJECT IDENTIFIER ::= { joint-iso-itu-t(2) country(16) us(840) organization(1) gov(101) csor(3) nistalgorithm(4) hashalgs(2) 3 } */
 
+#define MBEDTLS_OID_DIGEST_ALG_RIPEMD160        MBEDTLS_OID_TELETRUST "\x03\x02\x01" /**< id-ripemd160 OBJECT IDENTIFIER :: { iso(1) identified-organization(3) teletrust(36) algorithm(3) hashAlgorithm(2) ripemd160(1) } */
+
 #define MBEDTLS_OID_HMAC_SHA1                   MBEDTLS_OID_RSA_COMPANY "\x02\x07" /**< id-hmacWithSHA1 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) rsadsi(113549) digestAlgorithm(2) 7 } */
 
 #define MBEDTLS_OID_HMAC_SHA224                 MBEDTLS_OID_RSA_COMPANY "\x02\x08" /**< id-hmacWithSHA224 OBJECT IDENTIFIER ::= { iso(1) member-body(2) us(840) rsadsi(113549) digestAlgorithm(2) 8 } */
diff --git a/library/oid.c b/library/oid.c
index 9f40941..27c455e 100644
--- a/library/oid.c
+++ b/library/oid.c
@@ -627,6 +627,12 @@
         MBEDTLS_MD_SHA512,
     },
 #endif /* MBEDTLS_SHA512_C */
+#if defined(MBEDTLS_RIPEMD160_C)
+    {
+        { ADD_LEN( MBEDTLS_OID_DIGEST_ALG_RIPEMD160 ),       "id-ripemd160",       "RIPEMD-160" },
+        MBEDTLS_MD_RIPEMD160,
+    },
+#endif /* MBEDTLS_RIPEMD160_C */
     {
         { NULL, 0, NULL, NULL },
         MBEDTLS_MD_NONE,
diff --git a/scripts/abi_check.py b/scripts/abi_check.py
index f837f7a..30c3fe5 100755
--- a/scripts/abi_check.py
+++ b/scripts/abi_check.py
@@ -148,7 +148,8 @@
         my_environment = os.environ.copy()
         my_environment["CFLAGS"] = "-g -Og"
         my_environment["SHARED"] = "1"
-        my_environment["USE_CRYPTO_SUBMODULE"] = "1"
+        if os.path.exists(os.path.join(git_worktree_path, "crypto")):
+            my_environment["USE_CRYPTO_SUBMODULE"] = "1"
         make_output = subprocess.check_output(
             [self.make_command, "lib"],
             env=my_environment,
diff --git a/tests/suites/test_suite_oid.data b/tests/suites/test_suite_oid.data
index 3d5d9db..3261935 100644
--- a/tests/suites/test_suite_oid.data
+++ b/tests/suites/test_suite_oid.data
@@ -57,3 +57,35 @@
 
 OID get x509 extension - wrong oid - id-ce
 oid_get_x509_extension:"551D":0
+
+OID hash id - id-md5
+depends_on:MBEDTLS_MD5_C
+oid_get_md_alg_id:"2A864886f70d0205":MBEDTLS_MD_MD5
+
+OID hash id - id-sha1
+depends_on:MBEDTLS_SHA1_C
+oid_get_md_alg_id:"2b0e03021a":MBEDTLS_MD_SHA1
+
+OID hash id - id-sha224
+depends_on:MBEDTLS_SHA256_C
+oid_get_md_alg_id:"608648016503040204":MBEDTLS_MD_SHA224
+
+OID hash id - id-sha256
+depends_on:MBEDTLS_SHA256_C
+oid_get_md_alg_id:"608648016503040201":MBEDTLS_MD_SHA256
+
+OID hash id - id-sha384
+depends_on:MBEDTLS_SHA512_C
+oid_get_md_alg_id:"608648016503040202":MBEDTLS_MD_SHA384
+
+OID hash id - id-sha512
+depends_on:MBEDTLS_SHA512_C
+oid_get_md_alg_id:"608648016503040203":MBEDTLS_MD_SHA512
+
+OID hash id - id-ripemd160
+depends_on:MBEDTLS_RIPEMD160_C
+oid_get_md_alg_id:"2b24030201":MBEDTLS_MD_RIPEMD160
+
+OID hash id - invalid oid
+oid_get_md_alg_id:"2B864886f70d0204":-1
+
diff --git a/tests/suites/test_suite_oid.function b/tests/suites/test_suite_oid.function
index cb8abe6..9e8d437 100644
--- a/tests/suites/test_suite_oid.function
+++ b/tests/suites/test_suite_oid.function
@@ -28,6 +28,7 @@
     }
     else
     {
+        TEST_ASSERT( ret == 0 );
         TEST_ASSERT( strcmp( ( char* )desc, result_str ) == 0 );
     }
 }
@@ -51,6 +52,7 @@
     }
     else
     {
+        TEST_ASSERT( ret == 0 );
         TEST_ASSERT( strcmp( ( char * )desc, result_str ) == 0 );
     }
 }
@@ -74,7 +76,34 @@
     }
     else
     {
+        TEST_ASSERT( ret == 0 );
         TEST_ASSERT( ext_type == exp_type );
     }
 }
 /* END_CASE */
+
+/* BEGIN_CASE */
+void oid_get_md_alg_id( data_t *oid, int exp_md_id )
+{
+    mbedtls_asn1_buf md_oid = { 0, 0, NULL };
+    int ret;
+    mbedtls_md_type_t md_id = 0;
+
+    md_oid.tag = MBEDTLS_ASN1_OID;
+    md_oid.p = oid->x;
+    md_oid.len = oid->len;
+
+    ret = mbedtls_oid_get_md_alg( &md_oid, &md_id );
+
+    if( exp_md_id < 0 )
+    {
+        TEST_ASSERT( ret == MBEDTLS_ERR_OID_NOT_FOUND );
+        TEST_ASSERT( md_id == 0);
+    }
+    else
+    {
+        TEST_ASSERT( ret == 0 );
+        TEST_ASSERT( (mbedtls_md_type_t)exp_md_id == md_id );
+    }
+}
+/* END_CASE */
diff --git a/tests/suites/test_suite_rsa.data b/tests/suites/test_suite_rsa.data
index 953b1ff..20789e6 100644
--- a/tests/suites/test_suite_rsa.data
+++ b/tests/suites/test_suite_rsa.data
@@ -258,6 +258,14 @@
 depends_on:MBEDTLS_PKCS1_V15
 mbedtls_rsa_pkcs1_verify:"59779fd2a39e56640c4fc1e67b60aeffcecd78aed7ad2bdfa464e93d04198d48466b8da7445f25bfa19db2844edd5c8f539cf772cc132b483169d390db28a43bc4ee0f038f6568ffc87447746cb72fefac2d6d90ee3143a915ac4688028805905a68eb8f8a96674b093c495eddd8704461eaa2b345efbb2ad6930acd8023f870":MBEDTLS_RSA_PKCS_V15:255:2048:16:"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":16:"3":"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":MBEDTLS_ERR_RSA_BAD_INPUT_DATA
 
+RSA PKCS1 Sign #10 (RIPEMD160, 2048 bits RSA)
+depends_on:MBEDTLS_RIPEMD160_C:MBEDTLS_PKCS1_V15
+mbedtls_rsa_pkcs1_sign:"616263":MBEDTLS_RSA_PKCS_V15:MBEDTLS_MD_RIPEMD160:2048:16:"e79a373182bfaa722eb035f772ad2a9464bd842de59432c18bbab3a7dfeae318c9b915ee487861ab665a40bd6cda560152578e8579016c929df99fea05b4d64efca1d543850bc8164b40d71ed7f3fa4105df0fb9b9ad2a18ce182c8a4f4f975bea9aa0b9a1438a27a28e97ac8330ef37383414d1bd64607d6979ac050424fd17":16:"c6749cbb0db8c5a177672d4728a8b22392b2fc4d3b8361d5c0d5055a1b4e46d821f757c24eef2a51c561941b93b3ace7340074c058c9bb48e7e7414f42c41da4cccb5c2ba91deb30c586b7fb18af12a52995592ad139d3be429add6547e044becedaf31fa3b39421e24ee034fbf367d11f6b8f88ee483d163b431e1654ad3e89":16:"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":16:"3":"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":0
+
+RSA PKCS1 Verify #10 (RIPEMD160, 2048 bits RSA)
+depends_on:MBEDTLS_RIPEMD160_C:MBEDTLS_PKCS1_V15
+mbedtls_rsa_pkcs1_verify:"616263":MBEDTLS_RSA_PKCS_V15:MBEDTLS_MD_RIPEMD160:2048:16:"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":16:"3":"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":0
+
 RSA PKCS1 Encrypt #1
 depends_on:MBEDTLS_PKCS1_V15
 mbedtls_rsa_pkcs1_encrypt:"4E636AF98E40F3ADCFCCB698F4E80B9F":MBEDTLS_RSA_PKCS_V15:2048:16:"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":16:"3":"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":0