diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 271ae2f..0967341 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -72,6 +72,7 @@
 add_test_suite(cipher cipher.chachapoly)
 add_test_suite(cipher cipher.des)
 add_test_suite(cipher cipher.gcm)
+add_test_suite(cipher cipher.misc)
 add_test_suite(cipher cipher.null)
 add_test_suite(cipher cipher.padding)
 add_test_suite(cmac)
@@ -92,6 +93,7 @@
 add_test_suite(gcm gcm.aes192_de)
 add_test_suite(gcm gcm.aes256_de)
 add_test_suite(gcm gcm.camellia)
+add_test_suite(gcm gcm.misc)
 add_test_suite(hkdf)
 add_test_suite(hmac_drbg hmac_drbg.misc)
 add_test_suite(hmac_drbg hmac_drbg.no_reseed)
diff --git a/tests/compat.sh b/tests/compat.sh
index bf65e5e..1814528 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -21,7 +21,7 @@
 SKIPPED=0
 SRVMEM=0
 
-# default commands, can be overriden by the environment
+# default commands, can be overridden by the environment
 : ${M_SRV:=../programs/ssl/ssl_server2}
 : ${M_CLI:=../programs/ssl/ssl_client2}
 : ${OPENSSL_CMD:=openssl} # OPENSSL would conflict with the build system
diff --git a/tests/data_files/server1-ms.req.sha256 b/tests/data_files/server1-ms.req.sha256
new file mode 100644
index 0000000..b0d9414
--- /dev/null
+++ b/tests/data_files/server1-ms.req.sha256
@@ -0,0 +1,16 @@
+-----BEGIN NEW CERTIFICATE REQUEST-----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+-----END NEW CERTIFICATE REQUEST-----
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index ad59cfe..844e4bc 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -120,7 +120,7 @@
     FORCE=0
     KEEP_GOING=0
 
-    # Default commands, can be overriden by the environment
+    # Default commands, can be overridden by the environment
     : ${OPENSSL:="openssl"}
     : ${OPENSSL_LEGACY:="$OPENSSL"}
     : ${OPENSSL_NEXT:="$OPENSSL"}
@@ -227,7 +227,7 @@
     command make clean
 
     # Remove CMake artefacts
-    find . -name .git -prune \
+    find . -name .git -prune -o \
            -iname CMakeFiles -exec rm -rf {} \+ -o \
            \( -iname cmake_install.cmake -o \
               -iname CTestTestfile.cmake -o \
@@ -393,6 +393,12 @@
     fi
 }
 
+pre_check_seedfile () {
+    if [ ! -f "./tests/seedfile" ]; then
+        dd if=/dev/urandom of=./tests/seedfile bs=32 count=1
+    fi
+}
+
 pre_setup_keep_going () {
     failure_summary=
     failure_count=0
@@ -774,6 +780,59 @@
     make TEST_CPP=1
 }
 
+component_test_use_psa_crypto_full_cmake_asan() {
+    # MBEDTLS_USE_PSA_CRYPTO: run the same set of tests as basic-build-test.sh
+    msg "build: cmake, full config + MBEDTLS_USE_PSA_CRYPTO, ASan"
+    scripts/config.pl full
+    scripts/config.pl unset MBEDTLS_MEMORY_BACKTRACE # too slow for tests
+    scripts/config.pl set MBEDTLS_PSA_CRYPTO_C
+    scripts/config.pl set MBEDTLS_USE_PSA_CRYPTO
+    CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
+    make
+
+    msg "test: main suites (MBEDTLS_USE_PSA_CRYPTO)"
+    make test
+
+    msg "test: ssl-opt.sh (MBEDTLS_USE_PSA_CRYPTO)"
+    if_build_succeeded tests/ssl-opt.sh
+
+    msg "test: compat.sh default (MBEDTLS_USE_PSA_CRYPTO)"
+    if_build_succeeded tests/compat.sh
+
+    msg "test: compat.sh ssl3 (MBEDTLS_USE_PSA_CRYPTO)"
+    if_build_succeeded env OPENSSL_CMD="$OPENSSL_LEGACY" tests/compat.sh -m 'ssl3'
+
+    msg "test: compat.sh RC4, DES & NULL (MBEDTLS_USE_PSA_CRYPTO)"
+    if_build_succeeded env OPENSSL_CMD="$OPENSSL_LEGACY" GNUTLS_CLI="$GNUTLS_LEGACY_CLI" GNUTLS_SERV="$GNUTLS_LEGACY_SERV" tests/compat.sh -e '3DES\|DES-CBC3' -f 'NULL\|DES\|RC4\|ARCFOUR'
+
+    msg "test: compat.sh ARIA + ChachaPoly (MBEDTLS_USE_PSA_CRYPTO)"
+    if_build_succeeded env OPENSSL_CMD="$OPENSSL_NEXT" tests/compat.sh -e '^$' -f 'ARIA\|CHACHA'
+}
+
+component_test_check_params_without_platform () {
+    msg "build+test: MBEDTLS_CHECK_PARAMS without MBEDTLS_PLATFORM_C"
+    scripts/config.pl full # includes CHECK_PARAMS
+    scripts/config.pl unset MBEDTLS_MEMORY_BACKTRACE # too slow for tests
+    scripts/config.pl unset MBEDTLS_MEMORY_BUFFER_ALLOC_C
+    scripts/config.pl unset MBEDTLS_PLATFORM_EXIT_ALT
+    scripts/config.pl unset MBEDTLS_PLATFORM_TIME_ALT
+    scripts/config.pl unset MBEDTLS_PLATFORM_FPRINTF_ALT
+    scripts/config.pl unset MBEDTLS_PLATFORM_MEMORY
+    scripts/config.pl unset MBEDTLS_PLATFORM_PRINTF_ALT
+    scripts/config.pl unset MBEDTLS_PLATFORM_SNPRINTF_ALT
+    scripts/config.pl unset MBEDTLS_ENTROPY_NV_SEED
+    scripts/config.pl unset MBEDTLS_PLATFORM_C
+    make CC=gcc CFLAGS='-Werror -O1' all test
+}
+
+component_test_check_params_silent () {
+    msg "build+test: MBEDTLS_CHECK_PARAMS with alternative MBEDTLS_PARAM_FAILED()"
+    scripts/config.pl full # includes CHECK_PARAMS
+    scripts/config.pl unset MBEDTLS_MEMORY_BACKTRACE # too slow for tests
+    sed -i 's/.*\(#define MBEDTLS_PARAM_FAILED( cond )\).*/\1/' "$CONFIG_H"
+    make CC=gcc CFLAGS='-Werror -O1' all test
+}
+
 component_test_no_platform () {
     # Full configuration build, without platform support, file IO and net sockets.
     # This should catch missing mbedtls_printf definitions, and by disabling file
@@ -1271,6 +1330,8 @@
 pre_parse_command_line "$@"
 
 pre_check_git
+pre_check_seedfile
+
 build_status=0
 if [ $KEEP_GOING -eq 1 ]; then
     pre_setup_keep_going
diff --git a/tests/scripts/basic-build-test.sh b/tests/scripts/basic-build-test.sh
index fbe757d..28fc687 100755
--- a/tests/scripts/basic-build-test.sh
+++ b/tests/scripts/basic-build-test.sh
@@ -93,6 +93,9 @@
     GNUTLS_SERV="$GNUTLS_LEGACY_SERV"                               \
     sh compat.sh -e '3DES\|DES-CBC3' -f 'NULL\|DES\|RC4\|ARCFOUR' | \
     tee -a compat-test-$TEST_OUTPUT
+OPENSSL_CMD="$OPENSSL_NEXT"                     \
+    sh compat.sh -e '^$' -f 'ARIA\|CHACHA' |    \
+    tee -a compat-test-$TEST_OUTPUT
 echo
 
 # Step 3 - Process the coverage report
diff --git a/tests/scripts/generate_test_code.py b/tests/scripts/generate_test_code.py
index ce6f88c..1258024 100755
--- a/tests/scripts/generate_test_code.py
+++ b/tests/scripts/generate_test_code.py
@@ -184,7 +184,13 @@
 END_CASE_REGEX = r'/\*\s*END_CASE\s*\*/'
 
 DEPENDENCY_REGEX = r'depends_on:(?P<dependencies>.*)'
-C_IDENTIFIER_REGEX = r'!?[a-z_][a-z0-9_]*$'
+C_IDENTIFIER_REGEX = r'!?[a-z_][a-z0-9_]*'
+CONDITION_OPERATOR_REGEX = r'[!=]=|[<>]=?'
+# forbid 0ddd which might be accidentally octal or accidentally decimal
+CONDITION_VALUE_REGEX = r'[-+]?(0x[0-9a-f]+|0|[1-9][0-9]*)'
+CONDITION_REGEX = r'({})(?:\s*({})\s*({}))?$'.format(C_IDENTIFIER_REGEX,
+                                                     CONDITION_OPERATOR_REGEX,
+                                                     CONDITION_VALUE_REGEX)
 TEST_FUNCTION_VALIDATION_REGEX = r'\s*void\s+(?P<func_name>\w+)\s*\('
 INT_CHECK_REGEX = r'int\s+.*'
 CHAR_CHECK_REGEX = r'char\s*\*\s*.*'
@@ -383,7 +389,7 @@
     :return: input dependency stripped of leading & trailing white spaces.
     """
     dependency = dependency.strip()
-    if not re.match(C_IDENTIFIER_REGEX, dependency, re.I):
+    if not re.match(CONDITION_REGEX, dependency, re.I):
         raise GeneratorInputError('Invalid dependency %s' % dependency)
     return dependency
 
@@ -733,16 +739,27 @@
     _not, dep = ('!', dep[1:]) if dep[0] == '!' else ('', dep)
     if not dep:
         raise GeneratorInputError("Dependency should not be an empty string.")
+
+    dependency = re.match(CONDITION_REGEX, dep, re.I)
+    if not dependency:
+        raise GeneratorInputError('Invalid dependency %s' % dep)
+
+    _defined = '' if dependency.group(2) else 'defined'
+    _cond = dependency.group(2) if dependency.group(2) else ''
+    _value = dependency.group(3) if dependency.group(3) else ''
+
     dep_check = '''
         case {id}:
             {{
-#if {_not}defined({macro})
+#if {_not}{_defined}({macro}{_cond}{_value})
                 ret = DEPENDENCY_SUPPORTED;
 #else
                 ret = DEPENDENCY_NOT_SUPPORTED;
 #endif
             }}
-            break;'''.format(_not=_not, macro=dep, id=dep_id)
+            break;'''.format(_not=_not, _defined=_defined,
+                             macro=dependency.group(1), id=dep_id,
+                             _cond=_cond, _value=_value)
     return dep_check
 
 
diff --git a/tests/scripts/mbedtls_test.py b/tests/scripts/mbedtls_test.py
index f9e88cf..c702765 100755
--- a/tests/scripts/mbedtls_test.py
+++ b/tests/scripts/mbedtls_test.py
@@ -75,11 +75,10 @@
         :param split_char: Split character
         :return: List of splits
         """
+        split_colon_fn = lambda x: re.sub(r'\\' + split_char, split_char, x)
         if len(split_char) > 1:
             raise ValueError('Expected split character. Found string!')
-        out = re.sub(r'(\\.)|' + split_char,
-                     lambda m: m.group(1) or '\n', inp_str,
-                     len(inp_str)).split('\n')
+        out = map(split_colon_fn, re.split(r'(?<!\\)' + split_char, inp_str))
         out = [x for x in out if x]
         return out
 
@@ -112,8 +111,8 @@
             args = parts[1:]
             args_count = len(args)
             if args_count % 2 != 0:
-                raise TestDataParserError("Number of test arguments should "
-                                          "be even: %s" % line)
+                err_str_fmt = "Number of test arguments({}) should be even: {}"
+                raise TestDataParserError(err_str_fmt.format(args_count, line))
             grouped_args = [(args[i * 2], args[(i * 2) + 1])
                             for i in range(len(args)/2)]
             self.tests.append((name, function_name, dependencies,
@@ -163,6 +162,7 @@
         self.tests = []
         self.test_index = -1
         self.dep_index = 0
+        self.suite_passed = True
         self.error_str = dict()
         self.error_str[self.DEPENDENCY_SUPPORTED] = \
             'DEPENDENCY_SUPPORTED'
@@ -293,7 +293,7 @@
             name, function_id, dependencies, args = self.tests[self.test_index]
             self.run_test(name, function_id, dependencies, args)
         else:
-            self.notify_complete(True)
+            self.notify_complete(self.suite_passed)
 
     def run_test(self, name, function_id, dependencies, args):
         """
@@ -353,6 +353,8 @@
         self.log('{{__testcase_start;%s}}' % name)
         self.log('{{__testcase_finish;%s;%d;%d}}' % (name, int_val == 0,
                                                      int_val != 0))
+        if int_val != 0:
+            self.suite_passed = False
         self.run_next_test()
 
     @event_callback("F")
diff --git a/tests/scripts/test_zeroize.gdb b/tests/scripts/test_zeroize.gdb
index 2f995d2..c929c88 100644
--- a/tests/scripts/test_zeroize.gdb
+++ b/tests/scripts/test_zeroize.gdb
@@ -17,7 +17,7 @@
 # seem to be a mechanism to reliably check whether the zeroize calls are being
 # eliminated by compiler optimizations from within the compiled program. The
 # problem is that a compiler would typically remove what it considers to be
-# "unecessary" assignments as part of redundant code elimination. To identify
+# "unnecessary" assignments as part of redundant code elimination. To identify
 # such code, the compilar will create some form dependency graph between
 # reads and writes to variables (among other situations). It will then use this
 # data structure to remove redundant code that does not have an impact on the
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 26830fe..646ddd6 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -26,7 +26,7 @@
     exit 1
 fi
 
-# default values, can be overriden by the environment
+# default values, can be overridden by the environment
 : ${P_SRV:=../programs/ssl/ssl_server2}
 : ${P_CLI:=../programs/ssl/ssl_client2}
 : ${P_PXY:=../programs/test/udp_proxy}
@@ -689,7 +689,7 @@
 
                 # The filtering in the following two options (-u and -U) do the following
                 #   - ignore valgrind output
-                #   - filter out everything but lines right after the pattern occurances
+                #   - filter out everything but lines right after the pattern occurrences
                 #   - keep one of each non-unique line
                 #   - count how many lines remain
                 # A line with '--' will remain in the result from previous outputs, so the number of lines in the result will be 1
@@ -755,16 +755,21 @@
 run_test_psa() {
     requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
     run_test    "PSA-supported ciphersuite: $1" \
-                "$P_SRV debug_level=1 force_version=tls1_2" \
-                "$P_CLI debug_level=1 force_version=tls1_2 force_ciphersuite=$1" \
+                "$P_SRV debug_level=2 force_version=tls1_2" \
+                "$P_CLI debug_level=2 force_version=tls1_2 force_ciphersuite=$1" \
                 0 \
                 -c "Successfully setup PSA-based decryption cipher context" \
                 -c "Successfully setup PSA-based encryption cipher context" \
+                -c "PSA calc verify" \
+                -c "calc PSA finished" \
                 -s "Successfully setup PSA-based decryption cipher context" \
                 -s "Successfully setup PSA-based encryption cipher context" \
+                -s "PSA calc verify" \
+                -s "calc PSA finished" \
                 -C "Failed to setup PSA-based cipher context"\
                 -S "Failed to setup PSA-based cipher context"\
                 -s "Protocol is TLSv1.2" \
+                -c "Perform PSA-based computation of digest of ServerKeyExchange" \
                 -S "error" \
                 -C "error"
 }
@@ -2802,7 +2807,7 @@
                     key_file=data_files/dir-maxpath/09.key" \
             "$P_CLI server_name=CA09 ca_file=data_files/dir-maxpath/00.crt" \
             0 \
-            -C "X509 - A fatal error occured"
+            -C "X509 - A fatal error occurred"
 
 requires_full_size_output_buffer
 run_test    "Authentication: server max_int+1 chain, client default" \
@@ -2810,7 +2815,7 @@
                     key_file=data_files/dir-maxpath/10.key" \
             "$P_CLI server_name=CA10 ca_file=data_files/dir-maxpath/00.crt" \
             1 \
-            -c "X509 - A fatal error occured"
+            -c "X509 - A fatal error occurred"
 
 requires_full_size_output_buffer
 run_test    "Authentication: server max_int+1 chain, client optional" \
@@ -2819,7 +2824,7 @@
             "$P_CLI server_name=CA10 ca_file=data_files/dir-maxpath/00.crt \
                     auth_mode=optional" \
             1 \
-            -c "X509 - A fatal error occured"
+            -c "X509 - A fatal error occurred"
 
 requires_full_size_output_buffer
 run_test    "Authentication: server max_int+1 chain, client none" \
@@ -2828,7 +2833,7 @@
             "$P_CLI server_name=CA10 ca_file=data_files/dir-maxpath/00.crt \
                     auth_mode=none" \
             0 \
-            -C "X509 - A fatal error occured"
+            -C "X509 - A fatal error occurred"
 
 requires_full_size_output_buffer
 run_test    "Authentication: client max_int+1 chain, server default" \
@@ -2836,7 +2841,7 @@
             "$P_CLI crt_file=data_files/dir-maxpath/c10.pem \
                     key_file=data_files/dir-maxpath/10.key" \
             0 \
-            -S "X509 - A fatal error occured"
+            -S "X509 - A fatal error occurred"
 
 requires_full_size_output_buffer
 run_test    "Authentication: client max_int+1 chain, server optional" \
@@ -2844,7 +2849,7 @@
             "$P_CLI crt_file=data_files/dir-maxpath/c10.pem \
                     key_file=data_files/dir-maxpath/10.key" \
             1 \
-            -s "X509 - A fatal error occured"
+            -s "X509 - A fatal error occurred"
 
 requires_full_size_output_buffer
 run_test    "Authentication: client max_int+1 chain, server required" \
@@ -2852,7 +2857,7 @@
             "$P_CLI crt_file=data_files/dir-maxpath/c10.pem \
                     key_file=data_files/dir-maxpath/10.key" \
             1 \
-            -s "X509 - A fatal error occured"
+            -s "X509 - A fatal error occurred"
 
 requires_full_size_output_buffer
 run_test    "Authentication: client max_int chain, server required" \
@@ -2860,7 +2865,7 @@
             "$P_CLI crt_file=data_files/dir-maxpath/c09.pem \
                     key_file=data_files/dir-maxpath/09.key" \
             0 \
-            -S "X509 - A fatal error occured"
+            -S "X509 - A fatal error occurred"
 
 # Tests for CA list in CertificateRequest messages
 
@@ -7602,6 +7607,11 @@
             -s "Extra-header:" \
             -c "Extra-header:"
 
+# The next two test are disabled because they tend to trigger a bug in the
+# version of GnuTLS that's currently installed on our CI. The bug occurs when
+# different fragments of the same handshake message are received out-of-order
+# by GnuTLS and results in a timeout. It's been fixed in GnuTLS 3.5.2.
+skip_next_test
 requires_gnutls
 client_needs_more_time 8
 not_with_valgrind # risk of non-mbedtls peer timing out
@@ -7613,6 +7623,7 @@
             -s "Extra-header:" \
             -c "Extra-header:"
 
+skip_next_test
 requires_gnutls
 client_needs_more_time 8
 not_with_valgrind # risk of non-mbedtls peer timing out
diff --git a/tests/suites/helpers.function b/tests/suites/helpers.function
index 5f9f7b0..122a17d 100644
--- a/tests/suites/helpers.function
+++ b/tests/suites/helpers.function
@@ -23,6 +23,11 @@
 #include "mbedtls/memory_buffer_alloc.h"
 #endif
 
+#if defined(MBEDTLS_CHECK_PARAMS)
+#include "mbedtls/platform_util.h"
+#include <setjmp.h>
+#endif
+
 #ifdef _MSC_VER
 #include <basetsd.h>
 typedef UINT8 uint8_t;
@@ -65,29 +70,50 @@
 #define DISPATCH_UNSUPPORTED_SUITE      -5  /* Test suite not supported by the
                                                build */
 
+typedef enum
+{
+    PARAMFAIL_TESTSTATE_IDLE = 0,           /* No parameter failure call test */
+    PARAMFAIL_TESTSTATE_PENDING,            /* Test call to the parameter failure
+                                             * is pending */
+    PARAMFAIL_TESTSTATE_CALLED              /* The test call to the parameter
+                                             * failure function has been made */
+} paramfail_test_state_t;
+
 
 /*----------------------------------------------------------------------------*/
 /* Macros */
 
-/** Evaluate an expression and fail the test case if it is false.
+/**
+ * \brief   This macro tests the expression passed to it as a test step or
+ *          individual test in a test case.
  *
- * Failing the test means:
- * - Mark this test case as failed.
- * - Print a message identifying the failure.
- * - Jump to the \c exit label.
+ *          It allows a library function to return a value and return an error
+ *          code that can be tested.
  *
- * This macro expands to an instruction, not an expression.
- * It may jump to the \c exit label.
+ *          When MBEDTLS_CHECK_PARAMS is enabled, calls to the parameter failure
+ *          callback, MBEDTLS_PARAM_FAILED(), will be assumed to be a test
+ *          failure.
  *
- * \param TEST      The expression to evaluate.
+ *          This macro is not suitable for negative parameter validation tests,
+ *          as it assumes the test step will not create an error.
+ *
+ *          Failing the test means:
+ *          - Mark this test case as failed.
+ *          - Print a message identifying the failure.
+ *          - Jump to the \c exit label.
+ *
+ *          This macro expands to an instruction, not an expression.
+ *          It may jump to the \c exit label.
+ *
+ * \param   TEST    The test expression to be tested.
  */
-#define TEST_ASSERT( TEST )                         \
-    do {                                            \
-        if( ! (TEST) )                              \
-        {                                           \
-            test_fail( #TEST, __LINE__, __FILE__ ); \
-            goto exit;                              \
-        }                                           \
+#define TEST_ASSERT( TEST )                                 \
+    do {                                                    \
+       if( ! (TEST) )                                       \
+       {                                                    \
+          test_fail( #TEST, __LINE__, __FILE__ );           \
+          goto exit;                                        \
+       }                                                    \
     } while( 0 )
 
 /** Evaluate two expressions and fail the test case if they have different
@@ -161,6 +187,105 @@
     }                                                                   \
     while( 0 )
 
+#if defined(MBEDTLS_CHECK_PARAMS) && !defined(MBEDTLS_PARAM_FAILED_ALT)
+/**
+ * \brief   This macro tests the statement passed to it as a test step or
+ *          individual test in a test case. The macro assumes the test will fail
+ *          and will generate an error.
+ *
+ *          It allows a library function to return a value and tests the return
+ *          code on return to confirm the given error code was returned.
+ *
+ *          When MBEDTLS_CHECK_PARAMS is enabled, calls to the parameter failure
+ *          callback, MBEDTLS_PARAM_FAILED(), are assumed to indicate the
+ *          expected failure, and the test will pass.
+ *
+ *          This macro is intended for negative parameter validation tests,
+ *          where the failing function may return an error value or call
+ *          MBEDTLS_PARAM_FAILED() to indicate the error.
+ *
+ * \param   PARAM_ERROR_VALUE   The expected error code.
+ *
+ * \param   TEST                The test expression to be tested.
+ */
+#define TEST_INVALID_PARAM_RET( PARAM_ERR_VALUE, TEST )                     \
+    do {                                                                    \
+        test_info.paramfail_test_state = PARAMFAIL_TESTSTATE_PENDING;       \
+        if( (TEST) != (PARAM_ERR_VALUE) ||                                  \
+            test_info.paramfail_test_state != PARAMFAIL_TESTSTATE_CALLED )  \
+        {                                                                   \
+            test_fail( #TEST, __LINE__, __FILE__ );                         \
+            goto exit;                                                      \
+        }                                                                   \
+   } while( 0 )
+
+/**
+ * \brief   This macro tests the statement passed to it as a test step or
+ *          individual test in a test case. The macro assumes the test will fail
+ *          and will generate an error.
+ *
+ *          It assumes the library function under test cannot return a value and
+ *          assumes errors can only be indicated byt calls to
+ *          MBEDTLS_PARAM_FAILED().
+ *
+ *          When MBEDTLS_CHECK_PARAMS is enabled, calls to the parameter failure
+ *          callback, MBEDTLS_PARAM_FAILED(), are assumed to indicate the
+ *          expected failure. If MBEDTLS_CHECK_PARAMS is not enabled, no test
+ *          can be made.
+ *
+ *          This macro is intended for negative parameter validation tests,
+ *          where the failing function can only return an error by calling
+ *          MBEDTLS_PARAM_FAILED() to indicate the error.
+ *
+ * \param   TEST                The test expression to be tested.
+ */
+#define TEST_INVALID_PARAM( TEST )                                          \
+    do {                                                                    \
+        memcpy(jmp_tmp, param_fail_jmp, sizeof(jmp_buf));                   \
+        if( setjmp( param_fail_jmp ) == 0 )                                 \
+        {                                                                   \
+            TEST;                                                           \
+            test_fail( #TEST, __LINE__, __FILE__ );                         \
+            goto exit;                                                      \
+        }                                                                   \
+        memcpy(param_fail_jmp, jmp_tmp, sizeof(jmp_buf));                   \
+    } while( 0 )
+#endif /* MBEDTLS_CHECK_PARAMS && !MBEDTLS_PARAM_FAILED_ALT */
+
+/**
+ * \brief   This macro tests the statement passed to it as a test step or
+ *          individual test in a test case. The macro assumes the test will not fail.
+ *
+ *          It assumes the library function under test cannot return a value and
+ *          assumes errors can only be indicated by calls to
+ *          MBEDTLS_PARAM_FAILED().
+ *
+ *          When MBEDTLS_CHECK_PARAMS is enabled, calls to the parameter failure
+ *          callback, MBEDTLS_PARAM_FAILED(), are assumed to indicate the
+ *          expected failure. If MBEDTLS_CHECK_PARAMS is not enabled, no test
+ *          can be made.
+ *
+ *          This macro is intended to test that functions returning void
+ *          accept all of the parameter values they're supposed to accept - eg
+ *          that they don't call MBEDTLS_PARAM_FAILED() when a parameter
+ *          that's allowed to be NULL happens to be NULL.
+ *
+ *          Note: for functions that return something other that void,
+ *          checking that they accept all the parameters they're supposed to
+ *          accept is best done by using TEST_ASSERT() and checking the return
+ *          value as well.
+ *
+ *          Note: this macro is available even when #MBEDTLS_CHECK_PARAMS is
+ *          disabled, as it makes sense to check that the functions accept all
+ *          legal values even if this option is disabled - only in that case,
+ *          the test is more about whether the function segfaults than about
+ *          whether it invokes MBEDTLS_PARAM_FAILED().
+ *
+ * \param   TEST                The test expression to be tested.
+ */
+#define TEST_VALID_PARAM( TEST )                                    \
+    TEST_ASSERT( ( TEST, 1 ) );
+
 #define assert(a) if( !( a ) )                                      \
 {                                                                   \
     mbedtls_fprintf( stderr, "Assertion Failed at %s:%d - %s\n",   \
@@ -247,9 +372,9 @@
 /*----------------------------------------------------------------------------*/
 /* Global variables */
 
-
 static struct
 {
+    paramfail_test_state_t paramfail_test_state;
     int failed;
     const char *test;
     const char *filename;
@@ -261,6 +386,11 @@
 mbedtls_platform_context platform_ctx;
 #endif
 
+#if defined(MBEDTLS_CHECK_PARAMS)
+jmp_buf param_fail_jmp;
+jmp_buf jmp_tmp;
+#endif
+
 /*----------------------------------------------------------------------------*/
 /* Helper flags for complex dependencies */
 
@@ -278,6 +408,15 @@
 
 /*----------------------------------------------------------------------------*/
 /* Helper Functions */
+
+static void test_fail( const char *test, int line_no, const char* filename )
+{
+    test_info.failed = 1;
+    test_info.test = test;
+    test_info.line_no = line_no;
+    test_info.filename = filename;
+}
+
 static int platform_setup()
 {
     int ret = 0;
@@ -294,6 +433,30 @@
 #endif /* MBEDTLS_PLATFORM_C */
 }
 
+#if defined(MBEDTLS_CHECK_PARAMS)
+void mbedtls_param_failed( const char *failure_condition,
+                           const char *file,
+                           int line )
+{
+    /* If we are testing the callback function...  */
+    if( test_info.paramfail_test_state == PARAMFAIL_TESTSTATE_PENDING )
+    {
+        test_info.paramfail_test_state = PARAMFAIL_TESTSTATE_CALLED;
+    }
+    else
+    {
+        /* ...else we treat this as an error */
+
+        /* Record the location of the failure, but not as a failure yet, in case
+         * it was part of the test */
+        test_fail( failure_condition, line, file );
+        test_info.failed = 0;
+
+        longjmp( param_fail_jmp, 1 );
+    }
+}
+#endif
+
 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
 static int redirect_output( FILE** out_stream, const char* path )
 {
@@ -310,6 +473,7 @@
 
     if( *out_stream == NULL )
     {
+        close( stdout_fd );
         return -1;
     }
 
@@ -582,25 +746,17 @@
     return( 0 );
 }
 
-static void test_fail( const char *test, int line_no, const char* filename )
-{
-    test_info.failed = 1;
-    test_info.test = test;
-    test_info.line_no = line_no;
-    test_info.filename = filename;
-}
-
 int hexcmp( uint8_t * a, uint8_t * b, uint32_t a_len, uint32_t b_len )
 {
     int ret = 0;
     uint32_t i = 0;
 
-    if ( a_len != b_len )
+    if( a_len != b_len )
         return( -1 );
 
     for( i = 0; i < a_len; i++ )
     {
-        if ( a[i] != b[i] )
+        if( a[i] != b[i] )
         {
             ret = -1;
             break;
@@ -608,4 +764,3 @@
     }
     return ret;
 }
-
diff --git a/tests/suites/host_test.function b/tests/suites/host_test.function
index b354af4..3c43032 100644
--- a/tests/suites/host_test.function
+++ b/tests/suites/host_test.function
@@ -546,6 +546,7 @@
             if( unmet_dep_count == 0 )
             {
                 test_info.failed = 0;
+                test_info.paramfail_test_state = PARAMFAIL_TESTSTATE_IDLE;
 
 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
                 /* Suppress all output from the library unless we're verbose
diff --git a/tests/suites/main_test.function b/tests/suites/main_test.function
index 8bd408c..1574556 100644
--- a/tests/suites/main_test.function
+++ b/tests/suites/main_test.function
@@ -137,9 +137,39 @@
 #line $line_no "suites/main_test.function"
 };
 
+/**
+ * \brief        Execute the test function.
+ *
+ *               This is a wrapper function around the test function execution
+ *               to allow the setjmp() call used to catch any calls to the
+ *               parameter failure callback, to be used. Calls to setjmp()
+ *               can invalidate the state of any local auto variables.
+ *
+ * \param fp     Function pointer to the test function
+ * \param params Parameters to pass
+ *
+ */
+void execute_function_ptr(TestWrapper_t fp, void **params)
+{
+#if defined(MBEDTLS_CHECK_PARAMS)
+    if ( setjmp( param_fail_jmp ) == 0 )
+    {
+        fp( params );
+    }
+    else
+    {
+        /* Unexpected parameter validation error */
+        test_info.failed = 1;
+    }
+
+    memset( param_fail_jmp, 0, sizeof(jmp_buf) );
+#else
+    fp( params );
+#endif
+}
 
 /**
- * \brief       Dispatches test functions based on function index.
+ * \brief        Dispatches test functions based on function index.
  *
  * \param exp_id    Test function index.
  *
@@ -156,7 +186,7 @@
     {
         fp = test_funcs[func_idx];
         if ( fp )
-            fp( params );
+            execute_function_ptr(fp, params);
         else
             ret = DISPATCH_UNSUPPORTED_SUITE;
     }
@@ -225,20 +255,6 @@
         return( -1 );
     }
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    {
-        psa_status_t status;
-        status = psa_crypto_init();
-        if( status != PSA_SUCCESS )
-        {
-            mbedtls_fprintf( stderr,
-                          "FATAL: Failed to initialize PSA Crypto - error %d\n",
-                          status );
-            return( -1 );
-        }
-    }
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-
     ret = execute_tests( argc, argv );
     platform_teardown();
     return( ret );
diff --git a/tests/suites/test_suite_aes.function b/tests/suites/test_suite_aes.function
index a797e69..da8c1e9 100644
--- a/tests/suites/test_suite_aes.function
+++ b/tests/suites/test_suite_aes.function
@@ -15,8 +15,8 @@
     mbedtls_aes_context ctx;
 
     memset(output, 0x00, 100);
-    mbedtls_aes_init( &ctx );
 
+    mbedtls_aes_init( &ctx );
 
     TEST_ASSERT( mbedtls_aes_setkey_enc( &ctx, key_str->x, key_str->len * 8 ) == setkey_result );
     if( setkey_result == 0 )
@@ -39,8 +39,8 @@
     mbedtls_aes_context ctx;
 
     memset(output, 0x00, 100);
-    mbedtls_aes_init( &ctx );
 
+    mbedtls_aes_init( &ctx );
 
     TEST_ASSERT( mbedtls_aes_setkey_dec( &ctx, key_str->x, key_str->len * 8 ) == setkey_result );
     if( setkey_result == 0 )
@@ -64,8 +64,8 @@
     mbedtls_aes_context ctx;
 
     memset(output, 0x00, 100);
-    mbedtls_aes_init( &ctx );
 
+    mbedtls_aes_init( &ctx );
 
     mbedtls_aes_setkey_enc( &ctx, key_str->x, key_str->len * 8 );
     TEST_ASSERT( mbedtls_aes_crypt_cbc( &ctx, MBEDTLS_AES_ENCRYPT, src_str->len, iv_str->x, src_str->x, output ) == cbc_result );
@@ -91,7 +91,6 @@
     memset(output, 0x00, 100);
     mbedtls_aes_init( &ctx );
 
-
     mbedtls_aes_setkey_dec( &ctx, key_str->x, key_str->len * 8 );
     TEST_ASSERT( mbedtls_aes_crypt_cbc( &ctx, MBEDTLS_AES_DECRYPT, src_str->len, iv_str->x, src_str->x, output ) == cbc_result );
     if( cbc_result == 0)
@@ -195,8 +194,8 @@
 void aes_crypt_xts_size( int size, int retval )
 {
     mbedtls_aes_xts_context ctx;
-    const unsigned char *src = NULL;
-    unsigned char *output = NULL;
+    const unsigned char src[16] = { 0 };
+    unsigned char output[16];
     unsigned char data_unit[16];
     size_t length = size;
 
@@ -204,10 +203,8 @@
     memset( data_unit, 0x00, sizeof( data_unit ) );
 
 
-    /* Note that this function will most likely crash on failure, as NULL
-     * parameters will be used. In the passing case, the length check in
-     * mbedtls_aes_crypt_xts() will prevent any accesses to parameters by
-     * exiting the function early. */
+    /* Valid pointers are passed for builds with MBEDTLS_CHECK_PARAMS, as
+     * otherwise we wouldn't get to the size check we're interested in. */
     TEST_ASSERT( mbedtls_aes_crypt_xts( &ctx, MBEDTLS_AES_ENCRYPT, length, data_unit, src, output ) == retval );
 }
 /* END_CASE */
@@ -216,7 +213,7 @@
 void aes_crypt_xts_keysize( int size, int retval )
 {
     mbedtls_aes_xts_context ctx;
-    const unsigned char *key = NULL;
+    const unsigned char key[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
     size_t key_len = size;
 
     mbedtls_aes_xts_init( &ctx );
@@ -372,6 +369,259 @@
 }
 /* END_CASE */
 
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void aes_check_params( )
+{
+    mbedtls_aes_context aes_ctx;
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+    mbedtls_aes_xts_context xts_ctx;
+#endif
+    const unsigned char key[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
+    const unsigned char in[16] = { 0 };
+    unsigned char out[16];
+    size_t size;
+    const int valid_mode = MBEDTLS_AES_ENCRYPT;
+    const int invalid_mode = 42;
+
+    TEST_INVALID_PARAM( mbedtls_aes_init( NULL ) );
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+    TEST_INVALID_PARAM( mbedtls_aes_xts_init( NULL ) );
+#endif
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_setkey_enc( NULL, key, 128 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_setkey_enc( &aes_ctx, NULL, 128 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_setkey_dec( NULL, key, 128 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_setkey_dec( &aes_ctx, NULL, 128 ) );
+
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_xts_setkey_enc( NULL, key, 128 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_xts_setkey_enc( &xts_ctx, NULL, 128 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_xts_setkey_dec( NULL, key, 128 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_xts_setkey_dec( &xts_ctx, NULL, 128 ) );
+#endif
+
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ecb( NULL,
+                                                   valid_mode, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ecb( &aes_ctx,
+                                                   invalid_mode, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ecb( &aes_ctx,
+                                                   valid_mode, NULL, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ecb( &aes_ctx,
+                                                   valid_mode, in, NULL ) );
+
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cbc( NULL,
+                                                   valid_mode, 16,
+                                                   out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cbc( &aes_ctx,
+                                                   invalid_mode, 16,
+                                                   out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cbc( &aes_ctx,
+                                                   valid_mode, 16,
+                                                   NULL, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cbc( &aes_ctx,
+                                                   valid_mode, 16,
+                                                   out, NULL, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cbc( &aes_ctx,
+                                                   valid_mode, 16,
+                                                   out, in, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CBC */
+
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_xts( NULL,
+                                                   valid_mode, 16,
+                                                   in, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_xts( &xts_ctx,
+                                                   invalid_mode, 16,
+                                                   in, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_xts( &xts_ctx,
+                                                   valid_mode, 16,
+                                                   NULL, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_xts( &xts_ctx,
+                                                   valid_mode, 16,
+                                                   in, NULL, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_xts( &xts_ctx,
+                                                   valid_mode, 16,
+                                                   in, in, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_XTS */
+
+#if defined(MBEDTLS_CIPHER_MODE_CFB)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb128( NULL,
+                                                      valid_mode, 16,
+                                                      &size, out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb128( &aes_ctx,
+                                                      invalid_mode, 16,
+                                                      &size, out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb128( &aes_ctx,
+                                                      valid_mode, 16,
+                                                      NULL, out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb128( &aes_ctx,
+                                                      valid_mode, 16,
+                                                      &size, NULL, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb128( &aes_ctx,
+                                                      valid_mode, 16,
+                                                      &size, out, NULL, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb128( &aes_ctx,
+                                                      valid_mode, 16,
+                                                      &size, out, in, NULL ) );
+
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb8( NULL,
+                                                    valid_mode, 16,
+                                                    out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb8( &aes_ctx,
+                                                    invalid_mode, 16,
+                                                    out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb8( &aes_ctx,
+                                                    valid_mode, 16,
+                                                    NULL, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb8( &aes_ctx,
+                                                    valid_mode, 16,
+                                                    out, NULL, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_cfb8( &aes_ctx,
+                                                    valid_mode, 16,
+                                                    out, in, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CFB */
+
+#if defined(MBEDTLS_CIPHER_MODE_OFB)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ofb( NULL, 16,
+                                                   &size, out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ofb( &aes_ctx, 16,
+                                                   NULL, out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ofb( &aes_ctx, 16,
+                                                   &size, NULL, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ofb( &aes_ctx, 16,
+                                                   &size, out, NULL, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ofb( &aes_ctx, 16,
+                                                   &size, out, in, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_OFB */
+
+#if defined(MBEDTLS_CIPHER_MODE_CTR)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ctr( NULL, 16, &size, out,
+                                                   out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ctr( &aes_ctx, 16, NULL, out,
+                                                   out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ctr( &aes_ctx, 16, &size, NULL,
+                                                   out, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ctr( &aes_ctx, 16, &size, out,
+                                                   NULL, in, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ctr( &aes_ctx, 16, &size, out,
+                                                   out, NULL, out ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_AES_BAD_INPUT_DATA,
+                            mbedtls_aes_crypt_ctr( &aes_ctx, 16, &size, out,
+                                                   out, in, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CTR */
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aes_misc_params( )
+{
+#if defined(MBEDTLS_CIPHER_MODE_CBC) || \
+    defined(MBEDTLS_CIPHER_MODE_XTS) || \
+    defined(MBEDTLS_CIPHER_MODE_CFB) || \
+    defined(MBEDTLS_CIPHER_MODE_OFB)
+    mbedtls_aes_context aes_ctx;
+    const unsigned char in[16] = { 0 };
+    unsigned char out[16];
+#endif
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+    mbedtls_aes_xts_context xts_ctx;
+#endif
+#if defined(MBEDTLS_CIPHER_MODE_CFB) || \
+    defined(MBEDTLS_CIPHER_MODE_OFB)
+    size_t size;
+#endif
+
+    /* These calls accept NULL */
+    TEST_VALID_PARAM( mbedtls_aes_free( NULL ) );
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+    TEST_VALID_PARAM( mbedtls_aes_xts_free( NULL ) );
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+    TEST_ASSERT( mbedtls_aes_crypt_cbc( &aes_ctx, MBEDTLS_AES_ENCRYPT,
+                                        15,
+                                        out, in, out )
+                 == MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
+    TEST_ASSERT( mbedtls_aes_crypt_cbc( &aes_ctx, MBEDTLS_AES_ENCRYPT,
+                                        17,
+                                        out, in, out )
+                 == MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+    TEST_ASSERT( mbedtls_aes_crypt_xts( &xts_ctx, MBEDTLS_AES_ENCRYPT,
+                                        15,
+                                        in, in, out )
+                 == MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
+    TEST_ASSERT( mbedtls_aes_crypt_xts( &xts_ctx, MBEDTLS_AES_ENCRYPT,
+                                        (1 << 24) + 1,
+                                        in, in, out )
+                 == MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_CFB)
+    size = 16;
+    TEST_ASSERT( mbedtls_aes_crypt_cfb128( &aes_ctx, MBEDTLS_AES_ENCRYPT, 16,
+                                           &size, out, in, out )
+                 == MBEDTLS_ERR_AES_BAD_INPUT_DATA );
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_OFB)
+    size = 16;
+    TEST_ASSERT( mbedtls_aes_crypt_ofb( &aes_ctx, 16, &size, out, in, out )
+                 == MBEDTLS_ERR_AES_BAD_INPUT_DATA );
+#endif
+}
+/* END_CASE */
+
 /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
 void aes_selftest(  )
 {
diff --git a/tests/suites/test_suite_aes.rest.data b/tests/suites/test_suite_aes.rest.data
index bbb222f..6a76b43 100644
--- a/tests/suites/test_suite_aes.rest.data
+++ b/tests/suites/test_suite_aes.rest.data
@@ -10,6 +10,12 @@
 AES-256-CBC Decrypt (Invalid input length)
 aes_decrypt_cbc:"0000000000000000000000000000000000000000000000000000000000000000":"00000000000000000000000000000000":"623a52fcea5d443e48d9181ab32c74":"":MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH
 
+AES - Optional Parameter Validation (MBEDTLS_CHECK_PARAMS)
+aes_check_params:
+
+AES - Mandatory Parameter Validation and Valid Parameters
+aes_misc_params:
+
 AES Selftest
 depends_on:MBEDTLS_SELF_TEST
 aes_selftest:
diff --git a/tests/suites/test_suite_aria.data b/tests/suites/test_suite_aria.data
index 8cb2d2a..2da0b30 100644
--- a/tests/suites/test_suite_aria.data
+++ b/tests/suites/test_suite_aria.data
@@ -1,3 +1,9 @@
+ARIA - Valid parameters
+aria_valid_param:
+
+ARIA - Invalid parameters
+aria_invalid_param:
+
 ARIA-128-ECB Encrypt - RFC 5794
 aria_encrypt_ecb:"000102030405060708090a0b0c0d0e0f":"00112233445566778899aabbccddeeff":"d718fbd6ab644c739da95f3be6451778":0
 
diff --git a/tests/suites/test_suite_aria.function b/tests/suites/test_suite_aria.function
index 4e39078..7e35f15 100644
--- a/tests/suites/test_suite_aria.function
+++ b/tests/suites/test_suite_aria.function
@@ -17,6 +17,195 @@
  */
 
 /* BEGIN_CASE */
+void aria_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_aria_free( NULL ) );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void aria_invalid_param( )
+{
+    mbedtls_aria_context ctx;
+    unsigned char key[128 / 8] = { 0 };
+    unsigned char input[MBEDTLS_ARIA_BLOCKSIZE] = { 0 };
+    unsigned char output[MBEDTLS_ARIA_BLOCKSIZE] = { 0 };
+    unsigned char iv[MBEDTLS_ARIA_BLOCKSIZE] = { 0 };
+    size_t iv_off = 0;
+
+    ((void) iv_off);
+    ((void) iv);
+
+    TEST_INVALID_PARAM( mbedtls_aria_init( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_setkey_enc( NULL, key,
+                                                     sizeof( key ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_setkey_enc( &ctx, NULL,
+                                                     sizeof( key ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_setkey_dec( NULL, key,
+                                                     sizeof( key ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_setkey_dec( &ctx, NULL,
+                                                     sizeof( key ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_ecb( NULL, input, output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_ecb( &ctx, NULL, output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_ecb( &ctx, input, NULL ) );
+
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cbc( NULL,
+                                                    MBEDTLS_ARIA_ENCRYPT,
+                                                    sizeof( input ),
+                                                    iv,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cbc( &ctx,
+                                                    42 /* invalid mode */,
+                                                    sizeof( input ),
+                                                    iv,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cbc( &ctx,
+                                                    MBEDTLS_ARIA_ENCRYPT,
+                                                    sizeof( input ),
+                                                    NULL,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cbc( &ctx,
+                                                    MBEDTLS_ARIA_ENCRYPT,
+                                                    sizeof( input ),
+                                                    iv,
+                                                    NULL,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cbc( &ctx,
+                                                    MBEDTLS_ARIA_ENCRYPT,
+                                                    sizeof( input ),
+                                                    iv,
+                                                    input,
+                                                    NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CBC */
+
+#if defined(MBEDTLS_CIPHER_MODE_CFB)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cfb128( NULL,
+                                                    MBEDTLS_ARIA_ENCRYPT,
+                                                    sizeof( input ),
+                                                    &iv_off,
+                                                    iv,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cfb128( &ctx,
+                                                    42, /* invalid mode */
+                                                    sizeof( input ),
+                                                    &iv_off,
+                                                    iv,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cfb128( &ctx,
+                                                    MBEDTLS_ARIA_ENCRYPT,
+                                                    sizeof( input ),
+                                                    NULL,
+                                                    iv,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cfb128( &ctx,
+                                                    MBEDTLS_ARIA_ENCRYPT,
+                                                    sizeof( input ),
+                                                    &iv_off,
+                                                    NULL,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cfb128( &ctx,
+                                                    MBEDTLS_ARIA_ENCRYPT,
+                                                    sizeof( input ),
+                                                    &iv_off,
+                                                    iv,
+                                                    NULL,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_cfb128( &ctx,
+                                                    MBEDTLS_ARIA_ENCRYPT,
+                                                    sizeof( input ),
+                                                    &iv_off,
+                                                    iv,
+                                                    input,
+                                                    NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CFB */
+
+#if defined(MBEDTLS_CIPHER_MODE_CTR)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_ctr( NULL,
+                                                    sizeof( input ),
+                                                    &iv_off,
+                                                    iv,
+                                                    iv,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_ctr( &ctx,
+                                                    sizeof( input ),
+                                                    NULL,
+                                                    iv,
+                                                    iv,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_ctr( &ctx,
+                                                    sizeof( input ),
+                                                    &iv_off,
+                                                    NULL,
+                                                    iv,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_ctr( &ctx,
+                                                    sizeof( input ),
+                                                    &iv_off,
+                                                    iv,
+                                                    NULL,
+                                                    input,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_ctr( &ctx,
+                                                    sizeof( input ),
+                                                    &iv_off,
+                                                    iv,
+                                                    iv,
+                                                    NULL,
+                                                    output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA,
+                            mbedtls_aria_crypt_ctr( &ctx,
+                                                    sizeof( input ),
+                                                    &iv_off,
+                                                    iv,
+                                                    iv,
+                                                    input,
+                                                    NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CTR */
+
+exit:
+    return;
+
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
 void aria_encrypt_ecb( char *hex_key_string, char *hex_src_string,
                        char *hex_dst_string, int setkey_result )
 {
diff --git a/tests/suites/test_suite_blowfish.data b/tests/suites/test_suite_blowfish.data
index 1ba311f..fd172d3 100644
--- a/tests/suites/test_suite_blowfish.data
+++ b/tests/suites/test_suite_blowfish.data
@@ -1,3 +1,9 @@
+BLOWFISH - Valid parameters
+blowfish_valid_param:
+
+BLOWFISH - Invalid parameters
+blowfish_invalid_param:
+
 BLOWFISH-ECB Encrypt SSLeay reference #1
 blowfish_encrypt_ecb:"0000000000000000":"0000000000000000":"4ef997456198dd78":0
 
@@ -203,13 +209,13 @@
 blowfish_decrypt_ecb:"fedcba9876543210":"6b5c5a9c5d9e0a5a":"ffffffffffffffff":0
 
 BLOWFISH-SETKEY Setkey SSLeay reference #1
-blowfish_encrypt_ecb:"f0":"fedcba9876543210":"":MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH
+blowfish_encrypt_ecb:"f0":"fedcba9876543210":"":MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA
 
 BLOWFISH-SETKEY Setkey SSLeay reference #2
-blowfish_encrypt_ecb:"f0e1":"fedcba9876543210":"":MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH
+blowfish_encrypt_ecb:"f0e1":"fedcba9876543210":"":MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA
 
 BLOWFISH-SETKEY Setkey SSLeay reference #3
-blowfish_encrypt_ecb:"f0e1d2":"fedcba9876543210":"":MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH
+blowfish_encrypt_ecb:"f0e1d2":"fedcba9876543210":"":MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA
 
 BLOWFISH-SETKEY Setkey SSLeay reference #4
 blowfish_encrypt_ecb:"f0e1d2c3":"fedcba9876543210":"be1e639408640f05":0
@@ -281,7 +287,7 @@
 blowfish_encrypt_ecb:"f0e1d2c3b4a5968778695a4b3c2d1e0f00112233445566778899aabbccddeeff0123456789abcdef0102030405060708090a0b0c0d0e0fff":"fedcba9876543210":"2fb3ab7f0ee91b69":0
 
 BLOWFISH-SETKEY Setkey 456 bits
-blowfish_encrypt_ecb:"f0e1d2c3b4a5968778695a4b3c2d1e0f00112233445566778899aabbccddeeff0123456789abcdef0102030405060708090a0b0c0d0e0fffff":"fedcba9876543210":"":MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH
+blowfish_encrypt_ecb:"f0e1d2c3b4a5968778695a4b3c2d1e0f00112233445566778899aabbccddeeff0123456789abcdef0102030405060708090a0b0c0d0e0fffff":"fedcba9876543210":"":MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA
 
 BLOWFISH-CBC Encrypt
 blowfish_encrypt_cbc:"0123456789ABCDEFF0E1D2C3B4A59687":"FEDCBA9876543210":"37363534333231204E6F77206973207468652074696D6520666F722000000000":"6b77b4d63006dee605b156e27403979358deb9e7154616d959f1652bd5ff92cc":0
diff --git a/tests/suites/test_suite_blowfish.function b/tests/suites/test_suite_blowfish.function
index 189e23d..7a93cd1 100644
--- a/tests/suites/test_suite_blowfish.function
+++ b/tests/suites/test_suite_blowfish.function
@@ -8,6 +8,164 @@
  */
 
 /* BEGIN_CASE */
+void blowfish_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_blowfish_free( NULL ) );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void blowfish_invalid_param( )
+{
+    mbedtls_blowfish_context ctx;
+    unsigned char buf[16] = { 0 };
+    size_t const valid_keylength = sizeof( buf ) * 8;
+    size_t valid_mode = MBEDTLS_BLOWFISH_ENCRYPT;
+    size_t invalid_mode = 42;
+    size_t off;
+    ((void) off);
+
+    TEST_INVALID_PARAM( mbedtls_blowfish_init( NULL ) );
+    TEST_VALID_PARAM( mbedtls_blowfish_free( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_setkey( NULL,
+                                                     buf,
+                                                     valid_keylength ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_setkey( &ctx,
+                                                     NULL,
+                                                     valid_keylength ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_ecb( NULL,
+                                                     valid_mode,
+                                                     buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_ecb( &ctx,
+                                                        invalid_mode,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_ecb( &ctx,
+                                                        valid_mode,
+                                                        NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_ecb( &ctx,
+                                                        valid_mode,
+                                                        buf, NULL ) );
+
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cbc( NULL,
+                                                        valid_mode,
+                                                        sizeof( buf ),
+                                                        buf, buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cbc( &ctx,
+                                                        invalid_mode,
+                                                        sizeof( buf ),
+                                                        buf, buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cbc( &ctx,
+                                                        valid_mode,
+                                                        sizeof( buf ),
+                                                        NULL, buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cbc( &ctx,
+                                                        valid_mode,
+                                                        sizeof( buf ),
+                                                        buf, NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cbc( &ctx,
+                                                        valid_mode,
+                                                        sizeof( buf ),
+                                                        buf, buf, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CBC */
+
+#if defined(MBEDTLS_CIPHER_MODE_CFB)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cfb64( NULL,
+                                                          valid_mode,
+                                                          sizeof( buf ),
+                                                          &off, buf,
+                                                          buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cfb64( &ctx,
+                                                          invalid_mode,
+                                                          sizeof( buf ),
+                                                          &off, buf,
+                                                          buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cfb64( &ctx,
+                                                          valid_mode,
+                                                          sizeof( buf ),
+                                                          NULL, buf,
+                                                          buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cfb64( &ctx,
+                                                          valid_mode,
+                                                          sizeof( buf ),
+                                                          &off, NULL,
+                                                          buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cfb64( &ctx,
+                                                          valid_mode,
+                                                          sizeof( buf ),
+                                                          &off, buf,
+                                                          NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_cfb64( &ctx,
+                                                          valid_mode,
+                                                          sizeof( buf ),
+                                                          &off, buf,
+                                                          buf, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CFB */
+
+#if defined(MBEDTLS_CIPHER_MODE_CTR)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_ctr( NULL,
+                                                        sizeof( buf ),
+                                                        &off,
+                                                        buf, buf,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_ctr( &ctx,
+                                                        sizeof( buf ),
+                                                        NULL,
+                                                        buf, buf,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_ctr( &ctx,
+                                                        sizeof( buf ),
+                                                        &off,
+                                                        NULL, buf,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_ctr( &ctx,
+                                                        sizeof( buf ),
+                                                        &off,
+                                                        buf, NULL,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_ctr( &ctx,
+                                                        sizeof( buf ),
+                                                        &off,
+                                                        buf, buf,
+                                                        NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA,
+                            mbedtls_blowfish_crypt_ctr( &ctx,
+                                                        sizeof( buf ),
+                                                        &off,
+                                                        buf, buf,
+                                                        buf, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CTR */
+
+exit:
+    return;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
 void blowfish_encrypt_ecb( data_t * key_str, data_t * src_str,
                            data_t * hex_dst_string, int setkey_result )
 {
diff --git a/tests/suites/test_suite_camellia.data b/tests/suites/test_suite_camellia.data
index 1429838..671d570 100644
--- a/tests/suites/test_suite_camellia.data
+++ b/tests/suites/test_suite_camellia.data
@@ -1,3 +1,9 @@
+Camellia - Valid parameters
+camellia_valid_param:
+
+Camellia - Invalid parameters
+camellia_invalid_param:
+
 Camellia-128-ECB Encrypt RFC3713 #1
 camellia_encrypt_ecb:"0123456789abcdeffedcba9876543210":"0123456789abcdeffedcba9876543210":"67673138549669730857065648eabe43":0
 
@@ -185,10 +191,10 @@
 camellia_decrypt_cfb128:"603DEB1015CA71BE2B73AEF0857D77811F352C073B6108D72D9810A30914DFF4":"555FC3F34BDD2D54C62D9E3BF338C1C4":"F69F2445DF4F9B17AD2B417BE66C3710":"5953ADCE14DB8C7F39F1BD39F359BFFA"
 
 Camellia-ECB Encrypt (Invalid key length)
-camellia_encrypt_ecb:"0123456789abcdeffedcba98765432":"0123456789abcdeffedcba9876543210":"67673138549669730857065648eabe43":MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH
+camellia_encrypt_ecb:"0123456789abcdeffedcba98765432":"0123456789abcdeffedcba9876543210":"67673138549669730857065648eabe43":MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA
 
 Camellia-ECB Decrypt (Invalid key length)
-camellia_decrypt_ecb:"0123456789abcdeffedcba98765432":"0123456789abcdeffedcba9876543210":"67673138549669730857065648eabe43":MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH
+camellia_decrypt_ecb:"0123456789abcdeffedcba98765432":"0123456789abcdeffedcba9876543210":"67673138549669730857065648eabe43":MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA
 
 Camellia-256-CBC Encrypt (Invalid input length)
 camellia_encrypt_cbc:"0000000000000000000000000000000000000000000000000000000000000000":"00000000000000000000000000000000":"ffffffffffffffe000000000000000":"":MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH
diff --git a/tests/suites/test_suite_camellia.function b/tests/suites/test_suite_camellia.function
index d09a610..9408348 100644
--- a/tests/suites/test_suite_camellia.function
+++ b/tests/suites/test_suite_camellia.function
@@ -8,6 +8,172 @@
  */
 
 /* BEGIN_CASE */
+void camellia_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_camellia_free( NULL ) );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void camellia_invalid_param( )
+{
+    mbedtls_camellia_context ctx;
+    unsigned char buf[16] = { 0 };
+    const size_t valid_keybits   = 128;
+    const int invalid_mode = 42;
+    const int valid_mode = MBEDTLS_CAMELLIA_ENCRYPT;
+    size_t off;
+    ((void) off);
+
+    TEST_INVALID_PARAM( mbedtls_camellia_init( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_setkey_enc( NULL,
+                                                         buf,
+                                                         valid_keybits ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_setkey_enc( &ctx,
+                                                         NULL,
+                                                         valid_keybits ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_setkey_dec( NULL,
+                                                         buf,
+                                                         valid_keybits ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_setkey_dec( &ctx,
+                                                         NULL,
+                                                         valid_keybits ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_ecb( NULL,
+                                                        valid_mode,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_ecb( &ctx,
+                                                        invalid_mode,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_ecb( &ctx,
+                                                        valid_mode,
+                                                        NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_ecb( &ctx,
+                                                        valid_mode,
+                                                        buf, NULL ) );
+
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cbc( NULL,
+                                                        valid_mode,
+                                                        sizeof( buf ),
+                                                        buf, buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cbc( &ctx,
+                                                        invalid_mode,
+                                                        sizeof( buf ),
+                                                        buf, buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cbc( &ctx,
+                                                        valid_mode,
+                                                        sizeof( buf ),
+                                                        NULL, buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cbc( &ctx,
+                                                        valid_mode,
+                                                        sizeof( buf ),
+                                                        buf, NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cbc( &ctx,
+                                                        valid_mode,
+                                                        sizeof( buf ),
+                                                        buf, buf, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CBC */
+
+#if defined(MBEDTLS_CIPHER_MODE_CFB)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cfb128( NULL,
+                                                           valid_mode,
+                                                           sizeof( buf ),
+                                                           &off, buf,
+                                                           buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cfb128( &ctx,
+                                                           invalid_mode,
+                                                           sizeof( buf ),
+                                                           &off, buf,
+                                                           buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cfb128( &ctx,
+                                                           valid_mode,
+                                                           sizeof( buf ),
+                                                           NULL, buf,
+                                                           buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cfb128( &ctx,
+                                                           valid_mode,
+                                                           sizeof( buf ),
+                                                           &off, NULL,
+                                                           buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cfb128( &ctx,
+                                                           valid_mode,
+                                                           sizeof( buf ),
+                                                           &off, buf,
+                                                           NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_cfb128( &ctx,
+                                                           valid_mode,
+                                                           sizeof( buf ),
+                                                           &off, buf,
+                                                           buf, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CFB */
+
+#if defined(MBEDTLS_CIPHER_MODE_CTR)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_ctr( NULL,
+                                                        sizeof( buf ),
+                                                        &off,
+                                                        buf, buf,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_ctr( &ctx,
+                                                        sizeof( buf ),
+                                                        NULL,
+                                                        buf, buf,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_ctr( &ctx,
+                                                        sizeof( buf ),
+                                                        &off,
+                                                        NULL, buf,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_ctr( &ctx,
+                                                        sizeof( buf ),
+                                                        &off,
+                                                        buf, NULL,
+                                                        buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_ctr( &ctx,
+                                                        sizeof( buf ),
+                                                        &off,
+                                                        buf, buf,
+                                                        NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA,
+                            mbedtls_camellia_crypt_ctr( &ctx,
+                                                        sizeof( buf ),
+                                                        &off,
+                                                        buf, buf,
+                                                        buf, NULL ) );
+#endif /* MBEDTLS_CIPHER_MODE_CTR */
+
+exit:
+    return;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
 void camellia_encrypt_ecb( data_t * key_str, data_t * src_str,
                            data_t * hex_dst_string, int setkey_result )
 {
diff --git a/tests/suites/test_suite_ccm.data b/tests/suites/test_suite_ccm.data
index a2d8778..46c172b 100644
--- a/tests/suites/test_suite_ccm.data
+++ b/tests/suites/test_suite_ccm.data
@@ -1,6 +1,12 @@
 CCM self test
 mbedtls_ccm_self_test:
 
+CCM - Invalid parameters
+ccm_invalid_param:
+
+CCM - Valid parameters
+ccm_valid_param:
+
 CCM init #1 AES-128: OK
 depends_on:MBEDTLS_AES_C
 mbedtls_ccm_setkey:MBEDTLS_CIPHER_ID_AES:128:0
@@ -35,7 +41,8 @@
 CCM lengths #6 tag length not even
 ccm_lengths:5:10:5:7:MBEDTLS_ERR_CCM_BAD_INPUT
 
-CCM lenghts #7 AD too long (2^16 - 2^8 + 1)
+CCM lengths #7 AD too long (2^16 - 2^8 + 1)
+depends_on:!MBEDTLS_CCM_ALT
 ccm_lengths:5:10:65281:8:MBEDTLS_ERR_CCM_BAD_INPUT
 
 CCM lengths #8 msg too long for this IV length (2^16, q = 2)
diff --git a/tests/suites/test_suite_ccm.function b/tests/suites/test_suite_ccm.function
index 9951ca1..16f9f8e 100644
--- a/tests/suites/test_suite_ccm.function
+++ b/tests/suites/test_suite_ccm.function
@@ -326,3 +326,216 @@
     mbedtls_ccm_free( &ctx );
 }
 /* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void ccm_invalid_param( )
+{
+    struct mbedtls_ccm_context ctx;
+    unsigned char valid_buffer[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
+    mbedtls_cipher_id_t valid_cipher = MBEDTLS_CIPHER_ID_AES;
+    int valid_len = sizeof(valid_buffer);
+    int valid_bitlen = valid_len * 8;
+
+    mbedtls_ccm_init( &ctx );
+
+    /* mbedtls_ccm_init() */
+    TEST_INVALID_PARAM( mbedtls_ccm_init( NULL ) );
+
+    /* mbedtls_ccm_setkey() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_setkey( NULL, valid_cipher, valid_buffer, valid_bitlen ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_setkey( &ctx, valid_cipher, NULL, valid_bitlen ) );
+
+    /* mbedtls_ccm_encrypt_and_tag() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_encrypt_and_tag( NULL, valid_len,
+                                     valid_buffer, valid_len,
+                                     valid_buffer, valid_len,
+                                     valid_buffer, valid_buffer,
+                                     valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_encrypt_and_tag( &ctx, valid_len,
+                                     NULL, valid_len,
+                                     valid_buffer, valid_len,
+                                     valid_buffer, valid_buffer,
+                                     valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_encrypt_and_tag( &ctx, valid_len,
+                                     valid_buffer, valid_len,
+                                     NULL, valid_len,
+                                     valid_buffer, valid_buffer,
+                                     valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_encrypt_and_tag( &ctx, valid_len,
+                                     valid_buffer, valid_len,
+                                     valid_buffer, valid_len,
+                                     NULL, valid_buffer,
+                                     valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_encrypt_and_tag( &ctx, valid_len,
+                                     valid_buffer, valid_len,
+                                     valid_buffer, valid_len,
+                                     valid_buffer, NULL,
+                                     valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_encrypt_and_tag( &ctx, valid_len,
+                                     valid_buffer, valid_len,
+                                     valid_buffer, valid_len,
+                                     valid_buffer, valid_buffer,
+                                     NULL, valid_len ) );
+
+    /* mbedtls_ccm_star_encrypt_and_tag() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_encrypt_and_tag( NULL, valid_len,
+                                          valid_buffer, valid_len,
+                                          valid_buffer, valid_len,
+                                          valid_buffer, valid_buffer,
+                                          valid_buffer, valid_len) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_encrypt_and_tag( &ctx, valid_len,
+                                          NULL, valid_len,
+                                          valid_buffer, valid_len,
+                                          valid_buffer, valid_buffer,
+                                          valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_encrypt_and_tag( &ctx, valid_len,
+                                          valid_buffer, valid_len,
+                                          NULL, valid_len,
+                                          valid_buffer, valid_buffer,
+                                          valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_encrypt_and_tag( &ctx, valid_len,
+                                          valid_buffer, valid_len,
+                                          valid_buffer, valid_len,
+                                          NULL, valid_buffer,
+                                          valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_encrypt_and_tag( &ctx, valid_len,
+                                          valid_buffer, valid_len,
+                                          valid_buffer, valid_len,
+                                          valid_buffer, NULL,
+                                          valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_encrypt_and_tag( &ctx, valid_len,
+                                          valid_buffer, valid_len,
+                                          valid_buffer, valid_len,
+                                          valid_buffer, valid_buffer,
+                                          NULL, valid_len ) );
+
+    /* mbedtls_ccm_auth_decrypt() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_auth_decrypt( NULL, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_buffer,
+                                  valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_auth_decrypt( &ctx, valid_len,
+                                  NULL, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_buffer,
+                                  valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_auth_decrypt( &ctx, valid_len,
+                                  valid_buffer, valid_len,
+                                  NULL, valid_len,
+                                  valid_buffer, valid_buffer,
+                                  valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_auth_decrypt( &ctx, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  NULL, valid_buffer,
+                                  valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_auth_decrypt( &ctx, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, NULL,
+                                  valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_auth_decrypt( &ctx, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_buffer,
+                                  NULL, valid_len ) );
+
+    /* mbedtls_ccm_star_auth_decrypt() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_auth_decrypt( NULL, valid_len,
+                                       valid_buffer, valid_len,
+                                       valid_buffer, valid_len,
+                                       valid_buffer, valid_buffer,
+                                       valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_auth_decrypt( &ctx, valid_len,
+                                       NULL, valid_len,
+                                       valid_buffer, valid_len,
+                                       valid_buffer, valid_buffer,
+                                       valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_auth_decrypt( &ctx, valid_len,
+                                       valid_buffer, valid_len,
+                                       NULL, valid_len,
+                                       valid_buffer, valid_buffer,
+                                       valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_auth_decrypt( &ctx, valid_len,
+                                       valid_buffer, valid_len,
+                                       valid_buffer, valid_len,
+                                       NULL, valid_buffer,
+                                       valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_auth_decrypt( &ctx, valid_len,
+                                       valid_buffer, valid_len,
+                                       valid_buffer, valid_len,
+                                       valid_buffer, NULL,
+                                       valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CCM_BAD_INPUT,
+        mbedtls_ccm_star_auth_decrypt( &ctx, valid_len,
+                                       valid_buffer, valid_len,
+                                       valid_buffer, valid_len,
+                                       valid_buffer, valid_buffer,
+                                       NULL, valid_len ) );
+
+exit:
+    mbedtls_ccm_free( &ctx );
+    return;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void ccm_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_ccm_free( NULL ) );
+exit:
+    return;
+}
+/* END_CASE */
diff --git a/tests/suites/test_suite_chacha20.function b/tests/suites/test_suite_chacha20.function
index 669d91e..49b389c 100644
--- a/tests/suites/test_suite_chacha20.function
+++ b/tests/suites/test_suite_chacha20.function
@@ -82,7 +82,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
 void chacha20_bad_params()
 {
     unsigned char key[32];
@@ -93,42 +93,38 @@
     size_t len = sizeof( src );
     mbedtls_chacha20_context ctx;
 
-    mbedtls_chacha20_init( NULL );
-    mbedtls_chacha20_free( NULL );
+    TEST_INVALID_PARAM( mbedtls_chacha20_init( NULL ) );
+    TEST_VALID_PARAM( mbedtls_chacha20_free( NULL ) );
 
-    mbedtls_chacha20_init( &ctx );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_setkey( NULL, key ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_setkey( &ctx, NULL ) );
 
-    TEST_ASSERT( mbedtls_chacha20_setkey( NULL, key )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chacha20_setkey( &ctx, NULL )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_starts( NULL, nonce, counter ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_starts( &ctx, NULL, counter ) );
 
-    TEST_ASSERT( mbedtls_chacha20_starts( NULL, nonce, counter )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chacha20_starts( &ctx, NULL, counter )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_update( NULL, 0, src, dst ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_update( &ctx, len, NULL, dst ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_update( &ctx, len, src, NULL ) );
 
-    TEST_ASSERT( mbedtls_chacha20_update( NULL, 0, src, dst )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chacha20_update( &ctx, len, NULL, dst )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chacha20_update( &ctx, len, src, NULL )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chacha20_update( &ctx, 0, NULL, NULL )
-                 == 0 );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_crypt( NULL, nonce, counter, 0, src, dst ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_crypt( key, NULL, counter, 0, src, dst ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_crypt( key, nonce, counter, len, NULL, dst ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA,
+                            mbedtls_chacha20_crypt( key, nonce, counter, len, src, NULL ) );
 
-    mbedtls_chacha20_free( &ctx );
+exit:
+    return;
 
-    TEST_ASSERT( mbedtls_chacha20_crypt( NULL, nonce, counter, 0, src, dst )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chacha20_crypt( key, NULL, counter, 0, src, dst )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chacha20_crypt( key, nonce, counter, len, NULL, dst )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chacha20_crypt( key, nonce, counter, len, src, NULL )
-                 == MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chacha20_crypt( key, nonce, counter, 0, NULL, NULL )
-                 == 0 );
 }
 /* END_CASE */
 
diff --git a/tests/suites/test_suite_chachapoly.function b/tests/suites/test_suite_chachapoly.function
index 95dfd8a..8e56bf6 100644
--- a/tests/suites/test_suite_chachapoly.function
+++ b/tests/suites/test_suite_chachapoly.function
@@ -118,7 +118,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
 void chachapoly_bad_params()
 {
     unsigned char key[32];
@@ -138,124 +138,114 @@
     memset( output, 0x00, sizeof( output ) );
     memset( mac,    0x00, sizeof( mac ) );
 
-    mbedtls_chachapoly_init( NULL );
-    mbedtls_chachapoly_free( NULL );
+    TEST_INVALID_PARAM( mbedtls_chachapoly_init( NULL ) );
+    TEST_VALID_PARAM( mbedtls_chachapoly_free( NULL ) );
 
-    mbedtls_chachapoly_init( &ctx );
+    /* setkey */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_setkey( NULL, key ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_setkey( &ctx, NULL ) );
 
-    TEST_ASSERT( mbedtls_chachapoly_setkey( NULL, key )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, NULL )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-
-    TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( NULL,
+    /* encrypt_and_tag */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_encrypt_and_tag( NULL,
                                       0, nonce,
                                       aad, 0,
-                                      input, output, mac )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
+                                      input, output, mac ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_encrypt_and_tag( &ctx,
                                       0, NULL,
                                       aad, 0,
-                                      input, output, mac )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
+                                      input, output, mac ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_encrypt_and_tag( &ctx,
                                       0, nonce,
                                       NULL, aad_len,
-                                      input, output, mac )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
+                                      input, output, mac ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_encrypt_and_tag( &ctx,
                                       input_len, nonce,
                                       aad, 0,
-                                      NULL, output, mac )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
+                                      NULL, output, mac ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_encrypt_and_tag( &ctx,
                                       input_len, nonce,
                                       aad, 0,
-                                      input, NULL, mac )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
+                                      input, NULL, mac ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_encrypt_and_tag( &ctx,
                                       0, nonce,
                                       aad, 0,
-                                      input, output, NULL )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
+                                      input, output, NULL ) );
 
-    TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( NULL,
+    /* auth_decrypt */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_auth_decrypt( NULL,
                                            0, nonce,
                                            aad, 0,
-                                           mac, input, output )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
+                                           mac, input, output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_auth_decrypt( &ctx,
                                            0, NULL,
                                            aad, 0,
-                                           mac, input, output )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
+                                           mac, input, output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_auth_decrypt( &ctx,
                                            0, nonce,
                                            NULL, aad_len,
-                                           mac, input, output )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
+                                           mac, input, output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_auth_decrypt( &ctx,
                                            0, nonce,
                                            aad, 0,
-                                           NULL, input, output )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
+                                           NULL, input, output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_auth_decrypt( &ctx,
                                            input_len, nonce,
                                            aad, 0,
-                                           mac, NULL, output )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
+                                           mac, NULL, output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_auth_decrypt( &ctx,
                                            input_len, nonce,
                                            aad, 0,
-                                           mac, input, NULL )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
+                                           mac, input, NULL ) );
 
-    TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
-                                      0, nonce,
-                                      aad, aad_len,
-                                      NULL, NULL, mac )
-                 == 0 );
-    TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
-                                           0, nonce,
-                                           aad, aad_len,
-                                           mac, NULL, NULL )
-                 == 0 );
+    /* starts */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_starts( NULL, nonce,
+                                               MBEDTLS_CHACHAPOLY_ENCRYPT ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_starts( &ctx, NULL,
+                                               MBEDTLS_CHACHAPOLY_ENCRYPT ) );
 
-    TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
-                                      input_len, nonce,
-                                      NULL, 0,
-                                      input, output, mac )
-                 == 0 );
-    TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
-                                           input_len, nonce,
-                                           NULL, 0,
-                                           mac, input, output )
-                 == 0 );
+    /* update_aad */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_update_aad( NULL, aad,
+                                                           aad_len ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_update_aad( &ctx, NULL,
+                                                           aad_len ) );
 
-    TEST_ASSERT( mbedtls_chachapoly_starts( NULL, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, NULL, MBEDTLS_CHACHAPOLY_ENCRYPT )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
+    /* update */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_update( NULL, input_len,
+                                                       input, output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_update( &ctx, input_len,
+                                                       NULL, output ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_update( &ctx, input_len,
+                                                       input, NULL ) );
 
-    TEST_ASSERT( mbedtls_chachapoly_update_aad( NULL, aad, aad_len )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, NULL, aad_len )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-
-    TEST_ASSERT( mbedtls_chachapoly_update( NULL, input_len, input, output )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, NULL, output )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, NULL )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-
-    TEST_ASSERT( mbedtls_chachapoly_finish( NULL, mac )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, NULL )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
+    /* finish */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_finish( NULL, mac ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                            mbedtls_chachapoly_finish( &ctx, NULL ) );
 
 exit:
-    mbedtls_chachapoly_free( &ctx );
+    return;
 }
 /* END_CASE */
 
diff --git a/tests/suites/test_suite_cipher.function b/tests/suites/test_suite_cipher.function
index ada7347..a7d3a6e 100644
--- a/tests/suites/test_suite_cipher.function
+++ b/tests/suites/test_suite_cipher.function
@@ -22,72 +22,464 @@
 /* END_CASE */
 
 /* BEGIN_CASE */
-void cipher_null_args(  )
+void cipher_invalid_param_unconditional( )
 {
-    mbedtls_cipher_context_t ctx;
-    const mbedtls_cipher_info_t *info = mbedtls_cipher_info_from_type( *( mbedtls_cipher_list() ) );
-    unsigned char buf[1] = { 0 };
-    size_t olen;
+    mbedtls_cipher_context_t valid_ctx;
+    mbedtls_cipher_context_t invalid_ctx;
+    mbedtls_operation_t valid_operation = MBEDTLS_ENCRYPT;
+    mbedtls_cipher_padding_t valid_mode = MBEDTLS_PADDING_ZEROS;
+    unsigned char valid_buffer[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };
+    int valid_size = sizeof(valid_buffer);
+    int valid_bitlen = valid_size * 8;
+    const mbedtls_cipher_info_t *valid_info = mbedtls_cipher_info_from_type(
+        *( mbedtls_cipher_list() ) );
+    size_t size_t_var;
 
-    mbedtls_cipher_init( &ctx );
+    (void)valid_mode; /* In some configurations this is unused */
 
-    TEST_ASSERT( mbedtls_cipher_get_block_size( NULL ) == 0 );
-    TEST_ASSERT( mbedtls_cipher_get_block_size( &ctx ) == 0 );
+    mbedtls_cipher_init( &valid_ctx );
+    mbedtls_cipher_setup( &valid_ctx, valid_info );
+    mbedtls_cipher_init( &invalid_ctx );
 
-    TEST_ASSERT( mbedtls_cipher_get_cipher_mode( NULL ) == MBEDTLS_MODE_NONE );
-    TEST_ASSERT( mbedtls_cipher_get_cipher_mode( &ctx ) == MBEDTLS_MODE_NONE );
+    /* mbedtls_cipher_setup() */
+    TEST_ASSERT( mbedtls_cipher_setup( &valid_ctx, NULL ) ==
+                 MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
 
-    TEST_ASSERT( mbedtls_cipher_get_iv_size( NULL ) == 0 );
-    TEST_ASSERT( mbedtls_cipher_get_iv_size( &ctx ) == 0 );
+    /* mbedtls_cipher_get_block_size() */
+    TEST_ASSERT( mbedtls_cipher_get_block_size( &invalid_ctx ) == 0 );
 
-    TEST_ASSERT( mbedtls_cipher_info_from_string( NULL ) == NULL );
+    /* mbedtls_cipher_get_cipher_mode() */
+    TEST_ASSERT( mbedtls_cipher_get_cipher_mode( &invalid_ctx ) ==
+                 MBEDTLS_MODE_NONE );
 
-    TEST_ASSERT( mbedtls_cipher_setup( &ctx, NULL )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_cipher_setup( NULL, info )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+    /* mbedtls_cipher_get_iv_size() */
+    TEST_ASSERT( mbedtls_cipher_get_iv_size( &invalid_ctx ) == 0 );
 
-    TEST_ASSERT( mbedtls_cipher_setkey( NULL, buf, 0, MBEDTLS_ENCRYPT )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_cipher_setkey( &ctx, buf, 0, MBEDTLS_ENCRYPT )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+    /* mbedtls_cipher_get_type() */
+    TEST_ASSERT(
+        mbedtls_cipher_get_type( &invalid_ctx ) ==
+        MBEDTLS_CIPHER_NONE);
 
-    TEST_ASSERT( mbedtls_cipher_set_iv( NULL, buf, 0 )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_cipher_set_iv( &ctx, buf, 0 )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+    /* mbedtls_cipher_get_name() */
+    TEST_ASSERT( mbedtls_cipher_get_name( &invalid_ctx ) == 0 );
 
-    TEST_ASSERT( mbedtls_cipher_reset( NULL ) == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_cipher_reset( &ctx ) == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+    /* mbedtls_cipher_get_key_bitlen() */
+    TEST_ASSERT( mbedtls_cipher_get_key_bitlen( &invalid_ctx ) ==
+                 MBEDTLS_KEY_LENGTH_NONE );
+
+    /* mbedtls_cipher_get_operation() */
+    TEST_ASSERT( mbedtls_cipher_get_operation( &invalid_ctx ) ==
+                 MBEDTLS_OPERATION_NONE );
+
+    /* mbedtls_cipher_setkey() */
+    TEST_ASSERT(
+        mbedtls_cipher_setkey( &invalid_ctx,
+                               valid_buffer,
+                               valid_bitlen,
+                               valid_operation ) ==
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+
+    /* mbedtls_cipher_set_iv() */
+    TEST_ASSERT(
+        mbedtls_cipher_set_iv( &invalid_ctx,
+                               valid_buffer,
+                               valid_size ) ==
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+
+    /* mbedtls_cipher_reset() */
+    TEST_ASSERT( mbedtls_cipher_reset( &invalid_ctx ) ==
+                 MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
 
 #if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
-    TEST_ASSERT( mbedtls_cipher_update_ad( NULL, buf, 0 )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_cipher_update_ad( &ctx, buf, 0 )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+    /* mbedtls_cipher_update_ad() */
+    TEST_ASSERT(
+        mbedtls_cipher_update_ad( &invalid_ctx,
+                                  valid_buffer,
+                                  valid_size ) ==
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+#endif /* defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C) */
+
+#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
+    /* mbedtls_cipher_set_padding_mode() */
+    TEST_ASSERT( mbedtls_cipher_set_padding_mode( &invalid_ctx, valid_mode ) ==
+                 MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
 #endif
 
-    TEST_ASSERT( mbedtls_cipher_update( NULL, buf, 0, buf, &olen )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_cipher_update( &ctx, buf, 0, buf, &olen )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+    /* mbedtls_cipher_update() */
+    TEST_ASSERT(
+        mbedtls_cipher_update( &invalid_ctx,
+                               valid_buffer,
+                               valid_size,
+                               valid_buffer,
+                               &size_t_var ) ==
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
 
-    TEST_ASSERT( mbedtls_cipher_finish( NULL, buf, &olen )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_cipher_finish( &ctx, buf, &olen )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+    /* mbedtls_cipher_finish() */
+    TEST_ASSERT(
+        mbedtls_cipher_finish( &invalid_ctx,
+                               valid_buffer,
+                               &size_t_var ) ==
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
 
 #if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
-    TEST_ASSERT( mbedtls_cipher_write_tag( NULL, buf, olen )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_cipher_write_tag( &ctx, buf, olen )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+    /* mbedtls_cipher_write_tag() */
+    TEST_ASSERT(
+        mbedtls_cipher_write_tag( &invalid_ctx,
+                                  valid_buffer,
+                                  valid_size ) ==
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
 
-    TEST_ASSERT( mbedtls_cipher_check_tag( NULL, buf, olen )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_cipher_check_tag( &ctx, buf, olen )
-                 == MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+    /* mbedtls_cipher_check_tag() */
+    TEST_ASSERT(
+        mbedtls_cipher_check_tag( &invalid_ctx,
+                                  valid_buffer,
+                                  valid_size ) ==
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
+#endif /* defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C) */
+
+exit:
+    mbedtls_cipher_free( &invalid_ctx );
+    mbedtls_cipher_free( &valid_ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void cipher_invalid_param_conditional( )
+{
+    mbedtls_cipher_context_t valid_ctx;
+
+    mbedtls_operation_t valid_operation = MBEDTLS_ENCRYPT;
+    mbedtls_operation_t invalid_operation = 100;
+    mbedtls_cipher_padding_t valid_mode = MBEDTLS_PADDING_ZEROS;
+    unsigned char valid_buffer[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 };
+    int valid_size = sizeof(valid_buffer);
+    int valid_bitlen = valid_size * 8;
+    const mbedtls_cipher_info_t *valid_info = mbedtls_cipher_info_from_type(
+        *( mbedtls_cipher_list() ) );
+
+    size_t size_t_var;
+
+    (void)valid_mode; /* In some configurations this is unused */
+
+    /* mbedtls_cipher_init() */
+    TEST_VALID_PARAM( mbedtls_cipher_init( &valid_ctx ) );
+    TEST_INVALID_PARAM( mbedtls_cipher_init( NULL ) );
+
+    /* mbedtls_cipher_setup() */
+    TEST_VALID_PARAM( mbedtls_cipher_setup( &valid_ctx, valid_info ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_setup( NULL, valid_info ) );
+
+    /* mbedtls_cipher_get_block_size() */
+    TEST_INVALID_PARAM_RET( 0, mbedtls_cipher_get_block_size( NULL ) );
+
+    /* mbedtls_cipher_get_cipher_mode() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_MODE_NONE,
+        mbedtls_cipher_get_cipher_mode( NULL ) );
+
+    /* mbedtls_cipher_get_iv_size() */
+    TEST_INVALID_PARAM_RET( 0, mbedtls_cipher_get_iv_size( NULL ) );
+
+    /* mbedtls_cipher_get_type() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_CIPHER_NONE,
+        mbedtls_cipher_get_type( NULL ) );
+
+    /* mbedtls_cipher_get_name() */
+    TEST_INVALID_PARAM_RET( 0, mbedtls_cipher_get_name( NULL ) );
+
+    /* mbedtls_cipher_get_key_bitlen() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_KEY_LENGTH_NONE,
+        mbedtls_cipher_get_key_bitlen( NULL ) );
+
+    /* mbedtls_cipher_get_operation() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_OPERATION_NONE,
+        mbedtls_cipher_get_operation( NULL ) );
+
+    /* mbedtls_cipher_setkey() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_setkey( NULL,
+                               valid_buffer,
+                               valid_bitlen,
+                               valid_operation ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_setkey( &valid_ctx,
+                               NULL,
+                               valid_bitlen,
+                               valid_operation ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_setkey( &valid_ctx,
+                               valid_buffer,
+                               valid_bitlen,
+                               invalid_operation ) );
+
+    /* mbedtls_cipher_set_iv() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_set_iv( NULL,
+                               valid_buffer,
+                               valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_set_iv( &valid_ctx,
+                               NULL,
+                               valid_size ) );
+
+    /* mbedtls_cipher_reset() */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+                            mbedtls_cipher_reset( NULL ) );
+
+#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
+    /* mbedtls_cipher_update_ad() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_update_ad( NULL,
+                                  valid_buffer,
+                                  valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_update_ad( &valid_ctx,
+                                  NULL,
+                                  valid_size ) );
+#endif /* defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C) */
+
+#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
+    /* mbedtls_cipher_set_padding_mode() */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+                            mbedtls_cipher_set_padding_mode( NULL, valid_mode ) );
 #endif
+
+    /* mbedtls_cipher_update() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_update( NULL,
+                               valid_buffer,
+                               valid_size,
+                               valid_buffer,
+                               &size_t_var ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_update( &valid_ctx,
+                               NULL, valid_size,
+                               valid_buffer,
+                               &size_t_var ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_update( &valid_ctx,
+                               valid_buffer, valid_size,
+                               NULL,
+                               &size_t_var ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_update( &valid_ctx,
+                               valid_buffer, valid_size,
+                               valid_buffer,
+                               NULL ) );
+
+    /* mbedtls_cipher_finish() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_finish( NULL,
+                               valid_buffer,
+                               &size_t_var ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_finish( &valid_ctx,
+                               NULL,
+                               &size_t_var ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_finish( &valid_ctx,
+                               valid_buffer,
+                               NULL ) );
+
+#if defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C)
+    /* mbedtls_cipher_write_tag() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_write_tag( NULL,
+                                  valid_buffer,
+                                  valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_write_tag( &valid_ctx,
+                                  NULL,
+                                  valid_size ) );
+
+    /* mbedtls_cipher_check_tag() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_check_tag( NULL,
+                                  valid_buffer,
+                                  valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_check_tag( &valid_ctx,
+                                  NULL,
+                                  valid_size ) );
+#endif /* defined(MBEDTLS_GCM_C) || defined(MBEDTLS_CHACHAPOLY_C) */
+
+    /* mbedtls_cipher_crypt() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_crypt( NULL,
+                              valid_buffer, valid_size,
+                              valid_buffer, valid_size,
+                              valid_buffer, &size_t_var ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_crypt( &valid_ctx,
+                              NULL, valid_size,
+                              valid_buffer, valid_size,
+                              valid_buffer, &size_t_var ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_crypt( &valid_ctx,
+                              valid_buffer, valid_size,
+                              NULL, valid_size,
+                              valid_buffer, &size_t_var ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_crypt( &valid_ctx,
+                              valid_buffer, valid_size,
+                              valid_buffer, valid_size,
+                              NULL, &size_t_var ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_crypt( &valid_ctx,
+                              valid_buffer, valid_size,
+                              valid_buffer, valid_size,
+                              valid_buffer, NULL ) );
+
+#if defined(MBEDTLS_CIPHER_MODE_AEAD)
+    /* mbedtls_cipher_auth_encrypt() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_encrypt( NULL,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, &size_t_var,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_encrypt( &valid_ctx,
+                                     NULL, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, &size_t_var,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_encrypt( &valid_ctx,
+                                     valid_buffer, valid_size,
+                                     NULL, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, &size_t_var,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_encrypt( &valid_ctx,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     NULL, valid_size,
+                                     valid_buffer, &size_t_var,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_encrypt( &valid_ctx,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     NULL, &size_t_var,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_encrypt( &valid_ctx,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, NULL,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_encrypt( &valid_ctx,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, &size_t_var,
+                                     NULL, valid_size ) );
+
+    /* mbedtls_cipher_auth_decrypt() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_decrypt( NULL,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, &size_t_var,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_decrypt( &valid_ctx,
+                                     NULL, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, &size_t_var,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_decrypt( &valid_ctx,
+                                     valid_buffer, valid_size,
+                                     NULL, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, &size_t_var,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_decrypt( &valid_ctx,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     NULL, valid_size,
+                                     valid_buffer, &size_t_var,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_decrypt( &valid_ctx,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     NULL, &size_t_var,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_decrypt( &valid_ctx,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, NULL,
+                                     valid_buffer, valid_size ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA,
+        mbedtls_cipher_auth_decrypt( &valid_ctx,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, valid_size,
+                                     valid_buffer, &size_t_var,
+                                     NULL, valid_size ) );
+#endif /* defined(MBEDTLS_CIPHER_MODE_AEAD) */
+
+    /* mbedtls_cipher_free() */
+    TEST_VALID_PARAM( mbedtls_cipher_free( NULL ) );
+exit:
+    TEST_VALID_PARAM( mbedtls_cipher_free( &valid_ctx ) );
 }
 /* END_CASE */
 
@@ -570,6 +962,8 @@
 #else
     if( use_psa == 1 )
     {
+        TEST_ASSERT( psa_crypto_init() == 0 );
+
         /* PSA requires that the tag immediately follows the ciphertext. */
         tmp_cipher = mbedtls_calloc( 1, cipher->len + tag->len );
         TEST_ASSERT( tmp_cipher != NULL );
@@ -712,6 +1106,7 @@
 #else
     if( use_psa == 1 )
     {
+        TEST_ASSERT( psa_crypto_init() == 0 );
         TEST_ASSERT( 0 == mbedtls_cipher_setup_psa( &ctx,
                               mbedtls_cipher_info_from_type( cipher_id ), 0 ) );
     }
diff --git a/tests/suites/test_suite_cipher.misc.data b/tests/suites/test_suite_cipher.misc.data
new file mode 100644
index 0000000..25bfd40
--- /dev/null
+++ b/tests/suites/test_suite_cipher.misc.data
@@ -0,0 +1,5 @@
+CIPHER - Conditional invalid parameter checks
+cipher_invalid_param_conditional:
+
+CIPHER - Unconditional invalid parameter checks
+cipher_invalid_param_unconditional:
diff --git a/tests/suites/test_suite_cipher.padding.data b/tests/suites/test_suite_cipher.padding.data
index 1c0ba09..dc4c9d7 100644
--- a/tests/suites/test_suite_cipher.padding.data
+++ b/tests/suites/test_suite_cipher.padding.data
@@ -1,9 +1,6 @@
 Cipher list
 mbedtls_cipher_list:
 
-Cipher null/uninitialised arguments
-cipher_null_args:
-
 Set padding with AES-CBC
 depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_PADDING_PKCS7
 set_padding:MBEDTLS_CIPHER_AES_128_CBC:MBEDTLS_PADDING_PKCS7:0
diff --git a/tests/suites/test_suite_dhm.data b/tests/suites/test_suite_dhm.data
index 734fd97..edebce0 100644
--- a/tests/suites/test_suite_dhm.data
+++ b/tests/suites/test_suite_dhm.data
@@ -1,3 +1,6 @@
+Diffie-Hellman parameter validation
+dhm_invalid_params:
+
 Diffie-Hellman full exchange #1
 dhm_do_dhm:10:"23":10:"5":0
 
diff --git a/tests/suites/test_suite_dhm.function b/tests/suites/test_suite_dhm.function
index 9a4c99c..8a05a38 100644
--- a/tests/suites/test_suite_dhm.function
+++ b/tests/suites/test_suite_dhm.function
@@ -7,6 +7,113 @@
  * END_DEPENDENCIES
  */
 
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void dhm_invalid_params( )
+{
+    mbedtls_dhm_context ctx;
+    unsigned char buf[42] = { 0 };
+    unsigned char *buf_null = NULL;
+    mbedtls_mpi X;
+    size_t const buflen = sizeof( buf );
+    size_t len;
+
+    TEST_INVALID_PARAM( mbedtls_dhm_init( NULL ) );
+    TEST_VALID_PARAM( mbedtls_dhm_free( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_read_params( NULL,
+                                                     (unsigned char**) &buf,
+                                                     buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_read_params( &ctx, &buf_null, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_read_params( &ctx, NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_read_params( &ctx,
+                                                     (unsigned char**) &buf,
+                                                     NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_make_params( NULL, buflen,
+                                                     buf, &len,
+                                                     rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_make_params( &ctx, buflen,
+                                                     NULL, &len,
+                                                     rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_make_params( &ctx, buflen,
+                                                     buf, NULL,
+                                                     rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_make_params( &ctx, buflen,
+                                                     buf, &len,
+                                                     NULL,
+                                                     NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_set_group( NULL, &X, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_set_group( &ctx, NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_set_group( &ctx, &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_read_public( NULL, buf, buflen ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_read_public( &ctx, NULL, buflen ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_make_public( NULL, buflen,
+                                                     buf, buflen,
+                                                     rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_make_public( &ctx, buflen,
+                                                     NULL, buflen,
+                                                     rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_make_public( &ctx, buflen,
+                                                     buf, buflen,
+                                                     NULL,
+                                                     NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_calc_secret( NULL, buf, buflen,
+                                                     &len, rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_calc_secret( &ctx, NULL, buflen,
+                                                     &len, rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_calc_secret( &ctx, buf, buflen,
+                                                     NULL, rnd_std_rand,
+                                                     NULL ) );
+
+#if defined(MBEDTLS_ASN1_PARSE_C)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_parse_dhm( NULL, buf, buflen ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_parse_dhm( &ctx, NULL, buflen ) );
+
+#if defined(MBEDTLS_FS_IO)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_parse_dhmfile( NULL, "" ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_DHM_BAD_INPUT_DATA,
+                            mbedtls_dhm_parse_dhmfile( &ctx, NULL ) );
+#endif /* MBEDTLS_FS_IO */
+#endif /* MBEDTLS_ASN1_PARSE_C */
+
+exit:
+    return;
+}
+/* END_CASE */
+
 /* BEGIN_CASE */
 void dhm_do_dhm( int radix_P, char *input_P,
                  int radix_G, char *input_G, int result )
diff --git a/tests/suites/test_suite_ecdh.data b/tests/suites/test_suite_ecdh.data
index 89e5e3a..fe24ed4 100644
--- a/tests/suites/test_suite_ecdh.data
+++ b/tests/suites/test_suite_ecdh.data
@@ -1,3 +1,9 @@
+ECDH - Valid parameters
+ecdh_valid_param:
+
+ECDH - Invalid parameters
+ecdh_invalid_param:
+
 ECDH primitive random #1
 depends_on:MBEDTLS_ECP_DP_SECP192R1_ENABLED
 ecdh_primitive_random:MBEDTLS_ECP_DP_SECP192R1
diff --git a/tests/suites/test_suite_ecdh.function b/tests/suites/test_suite_ecdh.function
index 7144763..7db0ed1 100644
--- a/tests/suites/test_suite_ecdh.function
+++ b/tests/suites/test_suite_ecdh.function
@@ -8,6 +8,148 @@
  */
 
 /* BEGIN_CASE */
+void ecdh_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_ecdh_free( NULL ) );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void ecdh_invalid_param( )
+{
+    mbedtls_ecp_group grp;
+    mbedtls_ecdh_context ctx;
+    mbedtls_mpi m;
+    mbedtls_ecp_point P;
+    mbedtls_ecp_keypair kp;
+    size_t olen;
+    unsigned char buf[42] = { 0 };
+    const unsigned char *buf_null = NULL;
+    size_t const buflen = sizeof( buf );
+    int invalid_side = 42;
+    mbedtls_ecp_group_id valid_grp = MBEDTLS_ECP_DP_SECP192R1;
+
+    TEST_INVALID_PARAM( mbedtls_ecdh_init( NULL ) );
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+    TEST_INVALID_PARAM( mbedtls_ecdh_enable_restart( NULL ) );
+#endif /* MBEDTLS_ECP_RESTARTABLE */
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_gen_public( NULL, &m, &P,
+                                                     rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_gen_public( &grp, NULL, &P,
+                                                     rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_gen_public( &grp, &m, NULL,
+                                                     rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_gen_public( &grp, &m, &P,
+                                                     NULL, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_compute_shared( NULL, &m, &P, &m,
+                                                         rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_compute_shared( &grp, NULL, &P, &m,
+                                                         rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_compute_shared( &grp, &m, NULL, &m,
+                                                         rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_compute_shared( &grp, &m, &P, NULL,
+                                                         rnd_std_rand, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_setup( NULL, valid_grp ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_make_params( NULL, &olen,
+                                                      buf, buflen,
+                                                      rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_make_params( &ctx, NULL,
+                                                      buf, buflen,
+                                                      rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_make_params( &ctx, &olen,
+                                                      NULL, buflen,
+                                                      rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_make_params( &ctx, &olen,
+                                                      buf, buflen,
+                                                      NULL, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_read_params( NULL,
+                                                  (const unsigned char**) &buf,
+                                                  buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_read_params( &ctx, &buf_null,
+                                                      buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_read_params( &ctx, NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_read_params( &ctx,
+                                                  (const unsigned char**) &buf,
+                                                  NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_get_params( NULL, &kp,
+                                                     MBEDTLS_ECDH_OURS ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_get_params( &ctx, NULL,
+                                                     MBEDTLS_ECDH_OURS ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_get_params( &ctx, &kp,
+                                                     invalid_side ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_make_public( NULL, &olen,
+                                                      buf, buflen,
+                                                      rnd_std_rand,
+                                                      NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_make_public( &ctx, NULL,
+                                                      buf, buflen,
+                                                      rnd_std_rand,
+                                                      NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_make_public( &ctx, &olen,
+                                                      NULL, buflen,
+                                                      rnd_std_rand,
+                                                      NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_make_public( &ctx, &olen,
+                                                      buf, buflen,
+                                                      NULL,
+                                                      NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_read_public( NULL, buf, buflen ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_read_public( &ctx, NULL, buflen ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_calc_secret( NULL, &olen, buf, buflen,
+                                                      rnd_std_rand,
+                                                      NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_calc_secret( &ctx, NULL, buf, buflen,
+                                                      rnd_std_rand,
+                                                      NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdh_calc_secret( &ctx, &olen, NULL, buflen,
+                                                      rnd_std_rand,
+                                                      NULL ) );
+
+exit:
+    return;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
 void ecdh_primitive_random( int id )
 {
     mbedtls_ecp_group grp;
@@ -209,7 +351,7 @@
         mbedtls_ecdh_enable_restart( &cli );
     }
 
-    /* server writes its paramaters */
+    /* server writes its parameters */
     memset( buf, 0x00, sizeof( buf ) );
     len = 0;
 
diff --git a/tests/suites/test_suite_ecdsa.data b/tests/suites/test_suite_ecdsa.data
index 7e6ec6c..59e209b 100644
--- a/tests/suites/test_suite_ecdsa.data
+++ b/tests/suites/test_suite_ecdsa.data
@@ -1,3 +1,6 @@
+ECDSA Parameter validation
+ecdsa_invalid_param:
+
 ECDSA primitive random #1
 depends_on:MBEDTLS_ECP_DP_SECP192R1_ENABLED
 ecdsa_prim_random:MBEDTLS_ECP_DP_SECP192R1
diff --git a/tests/suites/test_suite_ecdsa.function b/tests/suites/test_suite_ecdsa.function
index 7107832..22d92b6 100644
--- a/tests/suites/test_suite_ecdsa.function
+++ b/tests/suites/test_suite_ecdsa.function
@@ -7,6 +7,201 @@
  * END_DEPENDENCIES
  */
 
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void ecdsa_invalid_param( )
+{
+    mbedtls_ecdsa_context ctx;
+    mbedtls_ecp_keypair key;
+    mbedtls_ecp_group grp;
+    mbedtls_ecp_group_id valid_group = MBEDTLS_ECP_DP_SECP192R1;
+    mbedtls_ecp_point P;
+    mbedtls_md_type_t valid_md = MBEDTLS_MD_SHA256;
+    mbedtls_mpi m;
+    size_t slen;
+    unsigned char buf[42] = { 0 };
+
+    TEST_INVALID_PARAM( mbedtls_ecdsa_init( NULL ) );
+    TEST_VALID_PARAM( mbedtls_ecdsa_free( NULL ) );
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+    TEST_INVALID_PARAM( mbedtls_ecdsa_restart_init( NULL ) );
+    TEST_VALID_PARAM( mbedtls_ecdsa_restart_free( NULL ) );
+#endif /* MBEDTLS_ECP_RESTARTABLE */
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdsa_sign( NULL, &m, &m, &m,
+                                                buf, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecdsa_sign( &grp, NULL, &m, &m,
+                                                buf, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_sign( &grp, &m, NULL, &m,
+                                                buf, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_sign( &grp, &m, &m, NULL,
+                                                buf, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_sign( &grp, &m, &m, &m,
+                                                NULL, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_sign( &grp, &m, &m, &m,
+                                                buf, sizeof( buf ),
+                                                NULL, NULL ) );
+
+#if defined(MBEDTLS_ECDSA_DETERMINISTIC)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_sign_det( NULL, &m, &m, &m,
+                                                buf, sizeof( buf ),
+                                                valid_md ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_sign_det( &grp, NULL, &m, &m,
+                                                buf, sizeof( buf ),
+                                                valid_md ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_sign_det( &grp, &m, NULL, &m,
+                                                buf, sizeof( buf ),
+                                                valid_md ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_sign_det( &grp, &m, &m, NULL,
+                                                buf, sizeof( buf ),
+                                                valid_md ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_sign_det( &grp, &m, &m, &m,
+                                                NULL, sizeof( buf ),
+                                                valid_md ) );
+#endif /* MBEDTLS_ECDSA_DETERMINISTIC */
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_verify( NULL,
+                                                  buf, sizeof( buf ),
+                                                  &P, &m, &m ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_verify( &grp,
+                                                  NULL, sizeof( buf ),
+                                                  &P, &m, &m ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_verify( &grp,
+                                                  buf, sizeof( buf ),
+                                                  NULL, &m, &m ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_verify( &grp,
+                                                  buf, sizeof( buf ),
+                                                  &P, NULL, &m ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_verify( &grp,
+                                                  buf, sizeof( buf ),
+                                                  &P, &m, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_write_signature( NULL,
+                                                           valid_md,
+                                                           buf, sizeof( buf ),
+                                                           buf, &slen,
+                                                           rnd_std_rand,
+                                                           NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_write_signature( &ctx,
+                                                           valid_md,
+                                                           NULL, sizeof( buf ),
+                                                           buf, &slen,
+                                                           rnd_std_rand,
+                                                           NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_write_signature( &ctx,
+                                                           valid_md,
+                                                           buf, sizeof( buf ),
+                                                           NULL, &slen,
+                                                           rnd_std_rand,
+                                                           NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_write_signature( &ctx,
+                                                           valid_md,
+                                                           buf, sizeof( buf ),
+                                                           buf, NULL,
+                                                           rnd_std_rand,
+                                                           NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_write_signature_restartable( NULL,
+                                                           valid_md,
+                                                           buf, sizeof( buf ),
+                                                           buf, &slen,
+                                                           rnd_std_rand,
+                                                           NULL, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_write_signature_restartable( &ctx,
+                                                           valid_md,
+                                                           NULL, sizeof( buf ),
+                                                           buf, &slen,
+                                                           rnd_std_rand,
+                                                           NULL, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_write_signature_restartable( &ctx,
+                                                           valid_md,
+                                                           buf, sizeof( buf ),
+                                                           NULL, &slen,
+                                                           rnd_std_rand,
+                                                           NULL, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_write_signature_restartable( &ctx,
+                                                           valid_md,
+                                                           buf, sizeof( buf ),
+                                                           buf, NULL,
+                                                           rnd_std_rand,
+                                                           NULL, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_read_signature( NULL,
+                                                        buf, sizeof( buf ),
+                                                        buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_read_signature( &ctx,
+                                                        NULL, sizeof( buf ),
+                                                        buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_read_signature( &ctx,
+                                                        buf, sizeof( buf ),
+                                                        NULL, sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_read_signature_restartable( NULL,
+                                                        buf, sizeof( buf ),
+                                                        buf, sizeof( buf ),
+                                                        NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_read_signature_restartable( &ctx,
+                                                        NULL, sizeof( buf ),
+                                                        buf, sizeof( buf ),
+                                                        NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_read_signature_restartable( &ctx,
+                                                        buf, sizeof( buf ),
+                                                        NULL, sizeof( buf ),
+                                                        NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_genkey( NULL, valid_group,
+                                                  rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_genkey( &ctx, valid_group,
+                                                  NULL, NULL ) );
+
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_from_keypair( NULL, &key ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                       mbedtls_ecdsa_from_keypair( &ctx, NULL ) );
+
+exit:
+    return;
+}
+/* END_CASE */
+
 /* BEGIN_CASE */
 void ecdsa_prim_random( int id )
 {
diff --git a/tests/suites/test_suite_ecjpake.data b/tests/suites/test_suite_ecjpake.data
index 1a772a9..84c99c9 100644
--- a/tests/suites/test_suite_ecjpake.data
+++ b/tests/suites/test_suite_ecjpake.data
@@ -1,3 +1,6 @@
+ECJPAKE parameter validation
+ecjpake_invalid_param:
+
 ECJPAKE selftest
 ecjpake_selftest:
 
diff --git a/tests/suites/test_suite_ecjpake.function b/tests/suites/test_suite_ecjpake.function
index 9e4f7a3..d267295 100644
--- a/tests/suites/test_suite_ecjpake.function
+++ b/tests/suites/test_suite_ecjpake.function
@@ -98,6 +98,137 @@
  * END_DEPENDENCIES
  */
 
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void ecjpake_invalid_param( )
+{
+    mbedtls_ecjpake_context ctx;
+    unsigned char buf[42] = { 0 };
+    size_t olen;
+    size_t const len = sizeof( buf );
+    mbedtls_ecjpake_role valid_role = MBEDTLS_ECJPAKE_SERVER;
+    mbedtls_ecjpake_role invalid_role = (mbedtls_ecjpake_role) 42;
+    mbedtls_md_type_t valid_md = MBEDTLS_MD_SHA256;
+    mbedtls_ecp_group_id valid_group = MBEDTLS_ECP_DP_SECP256R1;
+
+    TEST_INVALID_PARAM( mbedtls_ecjpake_init( NULL ) );
+    TEST_VALID_PARAM( mbedtls_ecjpake_free( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_setup( NULL,
+                                                   valid_role,
+                                                   valid_md,
+                                                   valid_group,
+                                                   buf, len ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_setup( &ctx,
+                                                   invalid_role,
+                                                   valid_md,
+                                                   valid_group,
+                                                   buf, len ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_setup( &ctx,
+                                                   valid_role,
+                                                   valid_md,
+                                                   valid_group,
+                                                   NULL, len ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_check( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_write_round_one( NULL,
+                                                             buf, len,
+                                                             &olen,
+                                                             rnd_std_rand,
+                                                             NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_write_round_one( &ctx,
+                                                             NULL, len,
+                                                             &olen,
+                                                             rnd_std_rand,
+                                                             NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_write_round_one( &ctx,
+                                                             buf, len,
+                                                             NULL,
+                                                             rnd_std_rand,
+                                                             NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_write_round_one( &ctx,
+                                                             buf, len,
+                                                             &olen,
+                                                             NULL,
+                                                             NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_write_round_two( NULL,
+                                                             buf, len,
+                                                             &olen,
+                                                             rnd_std_rand,
+                                                             NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_write_round_two( &ctx,
+                                                             NULL, len,
+                                                             &olen,
+                                                             rnd_std_rand,
+                                                             NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_write_round_two( &ctx,
+                                                             buf, len,
+                                                             NULL,
+                                                             rnd_std_rand,
+                                                             NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_write_round_two( &ctx,
+                                                             buf, len,
+                                                             &olen,
+                                                             NULL,
+                                                             NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_read_round_one( NULL,
+                                                            buf, len ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_read_round_one( &ctx,
+                                                            NULL, len ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_read_round_two( NULL,
+                                                            buf, len ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_read_round_two( &ctx,
+                                                            NULL, len ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_derive_secret( NULL,
+                                                           buf, len,
+                                                           &olen,
+                                                           rnd_std_rand,
+                                                           NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_derive_secret( &ctx,
+                                                           NULL, len,
+                                                           &olen,
+                                                           rnd_std_rand,
+                                                           NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_derive_secret( &ctx,
+                                                           buf, len,
+                                                           NULL,
+                                                           rnd_std_rand,
+                                                           NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecjpake_derive_secret( &ctx,
+                                                           buf, len,
+                                                           &olen,
+                                                           NULL,
+                                                           NULL ) );
+
+exit:
+    return;
+}
+/* END_CASE */
+
 /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
 void ecjpake_selftest(  )
 {
diff --git a/tests/suites/test_suite_ecp.data b/tests/suites/test_suite_ecp.data
index 321a1b4..30d5ec6 100644
--- a/tests/suites/test_suite_ecp.data
+++ b/tests/suites/test_suite_ecp.data
@@ -1,3 +1,9 @@
+ECP valid params
+ecp_valid_param:
+
+ECP invalid params
+ecp_invalid_param:
+
 ECP curve info #1
 depends_on:MBEDTLS_ECP_DP_BP512R1_ENABLED
 mbedtls_ecp_curve_info:MBEDTLS_ECP_DP_BP512R1:28:512:"brainpoolP512r1"
@@ -46,10 +52,6 @@
 depends_on:MBEDTLS_ECP_DP_SECP224K1_ENABLED
 ecp_check_pub:MBEDTLS_ECP_DP_SECP224K1:"E2000000000000BB3A13D43B323337383935321F0603551D":"100101FF040830060101FF02010A30220603551D0E041B04636FC0C0":"101":MBEDTLS_ERR_ECP_INVALID_KEY
 
-ECP write binary #0 (zero, bad format)
-depends_on:MBEDTLS_ECP_DP_SECP192R1_ENABLED
-ecp_write_binary:MBEDTLS_ECP_DP_SECP192R1:"01":"01":"00":ECP_PF_UNKNOWN:"00":1:MBEDTLS_ERR_ECP_BAD_INPUT_DATA
-
 ECP write binary #1 (zero, uncompressed, buffer just fits)
 depends_on:MBEDTLS_ECP_DP_SECP192R1_ENABLED
 ecp_write_binary:MBEDTLS_ECP_DP_SECP192R1:"01":"01":"00":MBEDTLS_ECP_PF_UNCOMPRESSED:"00":1:0
diff --git a/tests/suites/test_suite_ecp.function b/tests/suites/test_suite_ecp.function
index 65c487e..606ddd2 100644
--- a/tests/suites/test_suite_ecp.function
+++ b/tests/suites/test_suite_ecp.function
@@ -14,6 +14,349 @@
  */
 
 /* BEGIN_CASE */
+void ecp_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_ecp_group_free( NULL ) );
+    TEST_VALID_PARAM( mbedtls_ecp_keypair_free( NULL ) );
+    TEST_VALID_PARAM( mbedtls_ecp_point_free( NULL ) );
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+    TEST_VALID_PARAM( mbedtls_ecp_restart_free( NULL ) );
+#endif /* MBEDTLS_ECP_RESTARTABLE */
+
+exit:
+    return;
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void ecp_invalid_param( )
+{
+    mbedtls_ecp_group grp;
+    mbedtls_ecp_keypair kp;
+    mbedtls_ecp_point P;
+    mbedtls_mpi m;
+    const char *x = "deadbeef";
+    int valid_fmt   = MBEDTLS_ECP_PF_UNCOMPRESSED;
+    int invalid_fmt = 42;
+    size_t olen;
+    unsigned char buf[42] = { 0 };
+    const unsigned char *null_buf = NULL;
+    mbedtls_ecp_group_id valid_group = MBEDTLS_ECP_DP_SECP192R1;
+    mbedtls_ecp_restart_ctx restart_ctx;
+
+    TEST_INVALID_PARAM( mbedtls_ecp_point_init( NULL ) );
+    TEST_INVALID_PARAM( mbedtls_ecp_keypair_init( NULL ) );
+    TEST_INVALID_PARAM( mbedtls_ecp_group_init( NULL ) );
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+    TEST_INVALID_PARAM( mbedtls_ecp_restart_init( NULL ) );
+    TEST_INVALID_PARAM( mbedtls_ecp_check_budget( NULL, &restart_ctx, 42 ) );
+#endif /* MBEDTLS_ECP_RESTARTABLE */
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_copy( NULL, &P ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_copy( &P, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_group_copy( NULL, &grp ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_group_copy( &grp, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_privkey( NULL,
+                                                     &m,
+                                                     rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_privkey( &grp,
+                                                     NULL,
+                                                     rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_privkey( &grp,
+                                                     &m,
+                                                     NULL,
+                                                     NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_set_zero( NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_is_zero( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_cmp( NULL, &P ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_cmp( &P, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_read_string( NULL, 2,
+                                                           x, x ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_read_string( &P, 2,
+                                                           NULL, x ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_read_string( &P, 2,
+                                                           x, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_write_binary( NULL, &P,
+                                                      valid_fmt,
+                                                      &olen,
+                                                      buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_write_binary( &grp, NULL,
+                                                      valid_fmt,
+                                                      &olen,
+                                                      buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_write_binary( &grp, &P,
+                                                      invalid_fmt,
+                                                      &olen,
+                                                      buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_write_binary( &grp, &P,
+                                                      valid_fmt,
+                                                      NULL,
+                                                      buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_write_binary( &grp, &P,
+                                                      valid_fmt,
+                                                      &olen,
+                                                      NULL, sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_read_binary( NULL, &P, buf,
+                                                     sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_read_binary( &grp, NULL, buf,
+                                                     sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_point_read_binary( &grp, &P, NULL,
+                                                     sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_read_point( NULL, &P,
+                                                 (const unsigned char **) &buf,
+                                                 sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_read_point( &grp, NULL,
+                                                 (const unsigned char **) &buf,
+                                                 sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_read_point( &grp, &P, &null_buf,
+                                                        sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_read_point( &grp, &P, NULL,
+                                                    sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_write_point( NULL, &P,
+                                                     valid_fmt,
+                                                     &olen,
+                                                     buf,
+                                                     sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_write_point( &grp, NULL,
+                                                     valid_fmt,
+                                                     &olen,
+                                                     buf,
+                                                     sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_write_point( &grp, &P,
+                                                     invalid_fmt,
+                                                     &olen,
+                                                     buf,
+                                                     sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_write_point( &grp, &P,
+                                                     valid_fmt,
+                                                     NULL,
+                                                     buf,
+                                                     sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_write_point( &grp, &P,
+                                                     valid_fmt,
+                                                     &olen,
+                                                     NULL,
+                                                     sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_group_load( NULL, valid_group ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_read_group( NULL,
+                                                 (const unsigned char **) &buf,
+                                                 sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_read_group( &grp, NULL,
+                                                        sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_read_group( &grp, &null_buf,
+                                                        sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_read_group_id( NULL,
+                                                 (const unsigned char **) &buf,
+                                                 sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_read_group_id( &valid_group, NULL,
+                                                        sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_read_group_id( &valid_group,
+                                                           &null_buf,
+                                                           sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_write_group( NULL, &olen,
+                                                       buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_write_group( &grp, NULL,
+                                                       buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_tls_write_group( &grp, &olen,
+                                                       NULL, sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_mul( NULL, &P, &m, &P,
+                                             rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_mul( &grp, NULL, &m, &P,
+                                             rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_mul( &grp, &P, NULL, &P,
+                                             rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_mul( &grp, &P, &m, NULL,
+                                             rnd_std_rand, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_mul_restartable( NULL, &P, &m, &P,
+                                                 rnd_std_rand, NULL , NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_mul_restartable( &grp, NULL, &m, &P,
+                                                 rnd_std_rand, NULL , NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_mul_restartable( &grp, &P, NULL, &P,
+                                                 rnd_std_rand, NULL , NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_mul_restartable( &grp, &P, &m, NULL,
+                                                 rnd_std_rand, NULL , NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd( NULL, &P, &m, &P,
+                                                &m, &P ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd( &grp, NULL, &m, &P,
+                                                &m, &P ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd( &grp, &P, NULL, &P,
+                                                &m, &P ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd( &grp, &P, &m, NULL,
+                                                &m, &P ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd( &grp, &P, &m, &P,
+                                                NULL, &P ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd( &grp, &P, &m, &P,
+                                                &m, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd_restartable( NULL, &P, &m, &P,
+                                                            &m, &P, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd_restartable( &grp, NULL, &m, &P,
+                                                            &m, &P, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd_restartable( &grp, &P, NULL, &P,
+                                                            &m, &P, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd_restartable( &grp, &P, &m, NULL,
+                                                            &m, &P, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd_restartable( &grp, &P, &m, &P,
+                                                            NULL, &P, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_muladd_restartable( &grp, &P, &m, &P,
+                                                            &m, NULL, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_check_pubkey( NULL, &P ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_check_pubkey( &grp, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_check_pub_priv( NULL, &kp ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_check_pub_priv( &kp, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_check_privkey( NULL, &m ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_check_privkey( &grp, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_keypair_base( NULL, &P,
+                                                          &m, &P,
+                                                          rnd_std_rand,
+                                                          NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_keypair_base( &grp, NULL,
+                                                          &m, &P,
+                                                          rnd_std_rand,
+                                                          NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_keypair_base( &grp, &P,
+                                                          NULL, &P,
+                                                          rnd_std_rand,
+                                                          NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_keypair_base( &grp, &P,
+                                                          &m, NULL,
+                                                          rnd_std_rand,
+                                                          NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_keypair_base( &grp, &P,
+                                                          &m, &P,
+                                                          NULL,
+                                                          NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_keypair( NULL,
+                                                     &m, &P,
+                                                     rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_keypair( &grp,
+                                                     NULL, &P,
+                                                     rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_keypair( &grp,
+                                                     &m, NULL,
+                                                     rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_keypair( &grp,
+                                                     &m, &P,
+                                                     NULL,
+                                                     NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_key( valid_group, NULL,
+                                                 rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_ECP_BAD_INPUT_DATA,
+                            mbedtls_ecp_gen_key( valid_group, &kp,
+                                                 NULL, NULL ) );
+
+exit:
+    return;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
 void mbedtls_ecp_curve_info( int id, int tls_id, int size, char * name )
 {
     const mbedtls_ecp_curve_info *by_id, *by_tls, *by_name;
diff --git a/tests/suites/test_suite_gcm.function b/tests/suites/test_suite_gcm.function
index 4d3bba1..1fcb681 100644
--- a/tests/suites/test_suite_gcm.function
+++ b/tests/suites/test_suite_gcm.function
@@ -103,6 +103,175 @@
 }
 /* END_CASE */
 
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void gcm_invalid_param( )
+{
+    mbedtls_gcm_context ctx;
+    unsigned char valid_buffer[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
+    mbedtls_cipher_id_t valid_cipher = MBEDTLS_CIPHER_ID_AES;
+    int valid_mode = MBEDTLS_GCM_ENCRYPT;
+    int valid_len = sizeof(valid_buffer);
+    int valid_bitlen = 128, invalid_bitlen = 1;
+
+    mbedtls_gcm_init( &ctx );
+
+    /* mbedtls_gcm_init() */
+    TEST_INVALID_PARAM( mbedtls_gcm_init( NULL ) );
+
+    /* mbedtls_gcm_setkey */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_setkey( NULL, valid_cipher, valid_buffer, valid_bitlen ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_setkey( &ctx, valid_cipher, NULL, valid_bitlen ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_setkey( &ctx, valid_cipher, valid_buffer, invalid_bitlen ) );
+
+    /* mbedtls_gcm_crypt_and_tag() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_crypt_and_tag( NULL, valid_mode, valid_len,
+                                   valid_buffer, valid_len,
+                                   valid_buffer, valid_len,
+                                   valid_buffer, valid_buffer,
+                                   valid_len, valid_buffer ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len,
+                                   NULL, valid_len,
+                                   valid_buffer, valid_len,
+                                   valid_buffer, valid_buffer,
+                                   valid_len, valid_buffer ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len,
+                                   valid_buffer, valid_len,
+                                   NULL, valid_len,
+                                   valid_buffer, valid_buffer,
+                                   valid_len, valid_buffer ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len,
+                                   valid_buffer, valid_len,
+                                   valid_buffer, valid_len,
+                                   NULL, valid_buffer,
+                                   valid_len, valid_buffer ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len,
+                                   valid_buffer, valid_len,
+                                   valid_buffer, valid_len,
+                                   valid_buffer, NULL,
+                                   valid_len, valid_buffer ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len,
+                                   valid_buffer, valid_len,
+                                   valid_buffer, valid_len,
+                                   valid_buffer, valid_buffer,
+                                   valid_len, NULL ) );
+
+    /* mbedtls_gcm_auth_decrypt() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_auth_decrypt( NULL, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_buffer) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_auth_decrypt( &ctx, valid_len,
+                                  NULL, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_buffer) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_auth_decrypt( &ctx, valid_len,
+                                  valid_buffer, valid_len,
+                                  NULL, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_buffer) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_auth_decrypt( &ctx, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  NULL, valid_len,
+                                  valid_buffer, valid_buffer) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_auth_decrypt( &ctx, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  NULL, valid_buffer) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_auth_decrypt( &ctx, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, valid_len,
+                                  valid_buffer, NULL) );
+
+    /* mbedtls_gcm_starts() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_starts( NULL, valid_mode,
+                            valid_buffer, valid_len,
+                            valid_buffer, valid_len ) );
+
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_starts( &ctx, valid_mode,
+                            NULL, valid_len,
+                            valid_buffer, valid_len ) );
+
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_starts( &ctx, valid_mode,
+                            valid_buffer, valid_len,
+                            NULL, valid_len ) );
+
+    /* mbedtls_gcm_update() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_update( NULL, valid_len,
+                            valid_buffer, valid_buffer ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_update( &ctx, valid_len,
+                            NULL, valid_buffer ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_update( &ctx, valid_len,
+                            valid_buffer, NULL ) );
+
+    /* mbedtls_gcm_finish() */
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_finish( NULL, valid_buffer, valid_len ) );
+    TEST_INVALID_PARAM_RET(
+        MBEDTLS_ERR_GCM_BAD_INPUT,
+        mbedtls_gcm_finish( &ctx, NULL, valid_len ) );
+
+exit:
+    mbedtls_gcm_free( &ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void gcm_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_gcm_free( NULL ) );
+exit:
+    return;
+}
+/* END_CASE */
+
 /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
 void gcm_selftest(  )
 {
diff --git a/tests/suites/test_suite_gcm.misc.data b/tests/suites/test_suite_gcm.misc.data
new file mode 100644
index 0000000..cf01526
--- /dev/null
+++ b/tests/suites/test_suite_gcm.misc.data
@@ -0,0 +1,5 @@
+GCM - Invalid parameters
+gcm_invalid_param:
+
+GCM - Valid parameters
+gcm_valid_param:
diff --git a/tests/suites/test_suite_mpi.data b/tests/suites/test_suite_mpi.data
index 6ea3b29..8b5f97d 100644
--- a/tests/suites/test_suite_mpi.data
+++ b/tests/suites/test_suite_mpi.data
@@ -1,3 +1,9 @@
+MPI - Valid parameters
+mpi_valid_param:
+
+MPI - Invalid parameters
+mpi_invalid_param:
+
 Arguments with no value
 mpi_null:
 
diff --git a/tests/suites/test_suite_mpi.function b/tests/suites/test_suite_mpi.function
index 9c1d78f..d1fa5a4 100644
--- a/tests/suites/test_suite_mpi.function
+++ b/tests/suites/test_suite_mpi.function
@@ -51,6 +51,220 @@
  */
 
 /* BEGIN_CASE */
+void mpi_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_mpi_free( NULL ) );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void mpi_invalid_param( )
+{
+    mbedtls_mpi X;
+    const char *s_in = "00101000101010";
+    char s_out[16] = { 0 };
+    unsigned char u_out[16] = { 0 };
+    unsigned char u_in[16] = { 0 };
+    size_t olen;
+    mbedtls_mpi_uint mpi_uint;
+
+    TEST_INVALID_PARAM( mbedtls_mpi_init( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_grow( NULL, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_copy( NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_copy( &X, NULL ) );
+
+    TEST_INVALID_PARAM( mbedtls_mpi_swap( NULL, &X ) );
+    TEST_INVALID_PARAM( mbedtls_mpi_swap( &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_safe_cond_assign( NULL, &X, 0 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_safe_cond_assign( &X, NULL, 0 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_safe_cond_swap( NULL, &X, 0 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_safe_cond_swap( &X, NULL, 0 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_lset( NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_get_bit( NULL, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_set_bit( NULL, 42, 0 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_read_string( NULL, 2, s_in ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_read_string( &X, 2, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_write_string( NULL, 2,
+                                                      s_out, sizeof( s_out ),
+                                                      &olen ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_write_string( &X, 2,
+                                                      NULL, sizeof( s_out ),
+                                                      &olen ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_write_string( &X, 2,
+                                                      s_out, sizeof( s_out ),
+                                                      NULL ) );
+
+#if defined(MBEDTLS_FS_IO)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_read_file( NULL, 2, stdin ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_read_file( &X, 2, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_write_file( "", NULL, 2, NULL ) );
+#endif /* MBEDTLS_FS_IO */
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_read_binary( NULL, u_in,
+                                                     sizeof( u_in ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_read_binary( &X, NULL,
+                                                     sizeof( u_in ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_write_binary( NULL, u_out,
+                                                      sizeof( u_out ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_write_binary( &X, NULL,
+                                                      sizeof( u_out ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_shift_l( NULL, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_shift_r( NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_cmp_abs( NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_cmp_abs( &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_cmp_mpi( NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_cmp_mpi( &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_cmp_int( NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_add_abs( NULL, &X, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_add_abs( &X, NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_add_abs( &X, &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_sub_abs( NULL, &X, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_sub_abs( &X, NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_sub_abs( &X, &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_add_mpi( NULL, &X, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_add_mpi( &X, NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_add_mpi( &X, &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_sub_mpi( NULL, &X, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_sub_mpi( &X, NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_sub_mpi( &X, &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_add_int( NULL, &X, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_add_int( &X, NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_sub_int( NULL, &X, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_sub_int( &X, NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_mul_mpi( NULL, &X, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_mul_mpi( &X, NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_mul_mpi( &X, &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_mul_int( NULL, &X, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_mul_int( &X, NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_div_mpi( &X, &X, NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_div_mpi( &X, &X, &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_div_int( &X, &X, NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( 0, mbedtls_mpi_lsb( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_mod_mpi( NULL, &X, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_mod_mpi( &X, NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_mod_mpi( &X, &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_mod_int( NULL, &X, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_mod_int( &mpi_uint, NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_exp_mod( NULL, &X, &X, &X, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_exp_mod( &X, NULL, &X, &X, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_exp_mod( &X, &X, NULL, &X, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_exp_mod( &X, &X, &X, NULL, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_fill_random( NULL, 42, rnd_std_rand,
+                                                     NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_fill_random( &X, 42, NULL, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_gcd( NULL, &X, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_gcd( &X, NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_gcd( &X, &X, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_inv_mod( NULL, &X, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_inv_mod( &X, NULL, &X ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_MPI_BAD_INPUT_DATA,
+                            mbedtls_mpi_inv_mod( &X, &X, NULL ) );
+
+exit:
+    return;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
 void mpi_null(  )
 {
     mbedtls_mpi X, Y, Z;
diff --git a/tests/suites/test_suite_nist_kw.function b/tests/suites/test_suite_nist_kw.function
index ae3ef80..f1acde9 100644
--- a/tests/suites/test_suite_nist_kw.function
+++ b/tests/suites/test_suite_nist_kw.function
@@ -30,7 +30,7 @@
     memset( key, 0, sizeof( key ) );
 
     /*
-     * 1. Check wrap and unwrap with two seperate contexts
+     * 1. Check wrap and unwrap with two separate contexts
      */
     mbedtls_nist_kw_init( &ctx1 );
     mbedtls_nist_kw_init( &ctx2 );
diff --git a/tests/suites/test_suite_pk.data b/tests/suites/test_suite_pk.data
index a6a0089..ea5fc4f 100644
--- a/tests/suites/test_suite_pk.data
+++ b/tests/suites/test_suite_pk.data
@@ -1,3 +1,13 @@
+PK invalid parameters
+invalid_parameters:
+
+PK valid parameters
+valid_parameters:
+
+PK write valid parameters
+depends_on:MBEDTLS_RSA_C
+valid_parameters_pkwrite:"308204a20201000282010100a9021f3d406ad555538bfd36ee82652e15615e89bfb8e84590dbee881652d3f143504796125964876bfd2be046f973beddcf92e1915bed66a06f8929794580d0836ad54143775f397c09044782b0573970eda3ec15191ea8330847c10542a9fd4cc3b4dfdd061f4d1051406773130f40f86d81255f0ab153c6307e1539acf95aee7f929ea6055be7139785b52392d9d42406d50925897507dda61a8f3f0919bead652c64eb959bdcfe415e17a6da6c5b69cc02ba142c16249c4adccdd0f7526773f12da023fd7ef431ca2d70ca890b04db2ea64f706e9ecebd5889e253599e6e5a9265e2883f0c9419a3dde5e89d9513ed29dbab7012dc5aca6b17ab528254b10203010001028201001689f5e89142ae18a6ffb0513715a4b0b4a13b9e5b3729a2bd62d738c6e15cea7bf3a4d85ab2193a0628c9452bb1f0c1af8b132789df1c95e72778bf5330f5b0d915d242d5e0818e85001ed5fa93d1ce13455deb0a15438562e8e3c8d60ec1e4c9ebff9f2b36b9cde9332cc79f0d17a7ae79cc1353cd75409ad9b4b6d7ee3d82af6f3207656cf2ac98947c15c398db0cebf8dc3eef5398269480cdd09411b960273ae3f364da09af849f24aa87346c58618ea91d9d6cd1d3932c80dbfc1f0a4166a9036911999ca27761079f0ce02db02c1c909ff9b4278578d7bb1b54b2b7082fc9e864b6b394e331c0d11a9a68255565b6dd477f4119c5809839520700711102818100d7db987ad86de6a9b0749fb5da80bacde3bebd72dcc83f60a27db74f927ac3661386577bfce5b4a00ad024682401d6aad29713c8e223b53415305ca07559821099b187fdd1bad3dc4dec9da96f5fa6128331e8f7d89f1e1a788698d1a27256dc7cd392f04e531a9e38e7265bf4fd7eec01e7835e9b1a0dd8923e440381be1c2702818100c87025fff7a493c623404966fbc8b32ed164ca620ad1a0ad11ef42fd12118456017856a8b42e5d4ad36104e9dc9f8a2f3003c3957ffddb20e2f4e3fc3cf2cdddae01f57a56de4fd24b91ab6d3e5cc0e8af0473659594a6bbfdaacf958f19c8d508eac12d8977616af6877106288093d37904a139220c1bc278ea56edc086976702818043e708685c7cf5fa9b4f948e1856366d5e1f3a694f9a8e954f884c89f3823ac5798ee12657bfcaba2dac9c47464c6dc2fecc17a531be19da706fee336bb6e47b645dbc71d3eff9856bddeb1ac9b644ffbdd58d7ba9e1240f1faaf797ba8a4d58becbaf85789e1bd979fcfccc209d3db7f0416bc9eef09b3a6d86b8ce8199d4310281804f4b86ccffe49d0d8ace98fb63ea9f708b284ba483d130b6a75cb76cb4e4372d6b41774f20912319420ca4cbfc1b25a8cb5f01d6381f6ebc50ed3ef08010327f5ba2acc1ac7220b3fa6f7399314db2879b0db0b5647abd87abb01295815a5b086491b2c0d81c616ed67ef8a8ce0727f446711d7323d4147b5828a52143c43b4b028180540756beba83c20a0bda11d6dec706a71744ff28090cec079dffb507d82828038fe657f61496a20317f779cb683ce8196c29a6fe28839a282eef4de57773be56808b0c3e2ac7747e2b200b2fbf20b55258cd24622a1ce0099de098ab0855106ae087f08b0c8c346d81619400c1b4838e33ed9ff90f05db8fccf8fb7ab881ca12"
+
 PK utils: RSA
 depends_on:MBEDTLS_RSA_C:MBEDTLS_GENPRIME
 pk_utils:MBEDTLS_PK_RSA:512:64:"RSA"
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index e469318..d85d9ed 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -2,6 +2,8 @@
 #include "mbedtls/pk.h"
 
 /* For error codes */
+#include "mbedtls/asn1.h"
+#include "mbedtls/base64.h"
 #include "mbedtls/ecp.h"
 #include "mbedtls/rsa.h"
 
@@ -122,6 +124,8 @@
     size_t len;
     mbedtls_pk_debug_item dbg;
 
+    TEST_ASSERT( psa_crypto_init() == 0 );
+
     mbedtls_pk_init( &pk );
     mbedtls_pk_init( &pk2 );
 
@@ -180,6 +184,426 @@
 
 
 /* BEGIN_CASE */
+void valid_parameters( )
+{
+    mbedtls_pk_context pk;
+    unsigned char buf[1];
+    size_t len;
+    void *options = NULL;
+
+    mbedtls_pk_init( &pk );
+
+    TEST_VALID_PARAM( mbedtls_pk_free( NULL ) );
+
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
+    TEST_VALID_PARAM( mbedtls_pk_restart_free( NULL ) );
+#endif
+
+    TEST_ASSERT( mbedtls_pk_setup( &pk, NULL ) ==
+                 MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+    /* In informational functions, we accept NULL where a context pointer
+     * is expected because that's what the library has done forever.
+     * We do not document that NULL is accepted, so we may wish to change
+     * the behavior in a future version. */
+    TEST_ASSERT( mbedtls_pk_get_bitlen( NULL ) == 0 );
+    TEST_ASSERT( mbedtls_pk_get_len( NULL ) == 0 );
+    TEST_ASSERT( mbedtls_pk_can_do( NULL, MBEDTLS_PK_NONE ) == 0 );
+
+    TEST_ASSERT( mbedtls_pk_sign_restartable( &pk,
+                                              MBEDTLS_MD_NONE,
+                                              NULL, 0,
+                                              buf, &len,
+                                              rnd_std_rand, NULL,
+                                              NULL ) ==
+                 MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+    TEST_ASSERT( mbedtls_pk_sign_restartable( &pk,
+                                              MBEDTLS_MD_NONE,
+                                              NULL, 0,
+                                              buf, &len,
+                                              rnd_std_rand, NULL,
+                                              NULL ) ==
+                 MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+    TEST_ASSERT( mbedtls_pk_sign( &pk,
+                                  MBEDTLS_MD_NONE,
+                                  NULL, 0,
+                                  buf, &len,
+                                  rnd_std_rand, NULL ) ==
+                 MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+    TEST_ASSERT( mbedtls_pk_verify_restartable( &pk,
+                                                MBEDTLS_MD_NONE,
+                                                NULL, 0,
+                                                buf, sizeof( buf ),
+                                                NULL ) ==
+                 MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+    TEST_ASSERT( mbedtls_pk_verify( &pk,
+                                    MBEDTLS_MD_NONE,
+                                    NULL, 0,
+                                    buf, sizeof( buf ) ) ==
+                 MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+    TEST_ASSERT( mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options,
+                                        &pk,
+                                        MBEDTLS_MD_NONE,
+                                        NULL, 0,
+                                        buf, sizeof( buf ) ) ==
+                 MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+    TEST_ASSERT( mbedtls_pk_encrypt( &pk,
+                                     NULL, 0,
+                                     NULL, &len, 0,
+                                     rnd_std_rand, NULL ) ==
+                 MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+    TEST_ASSERT( mbedtls_pk_decrypt( &pk,
+                                     NULL, 0,
+                                     NULL, &len, 0,
+                                     rnd_std_rand, NULL ) ==
+                 MBEDTLS_ERR_PK_BAD_INPUT_DATA );
+
+#if defined(MBEDTLS_PK_PARSE_C)
+    TEST_ASSERT( mbedtls_pk_parse_key( &pk, NULL, 0, NULL, 1 ) ==
+                 MBEDTLS_ERR_PK_KEY_INVALID_FORMAT );
+
+    TEST_ASSERT( mbedtls_pk_parse_public_key( &pk, NULL, 0 ) ==
+                 MBEDTLS_ERR_PK_KEY_INVALID_FORMAT );
+#endif /* MBEDTLS_PK_PARSE_C */
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_PK_WRITE_C */
+void valid_parameters_pkwrite( data_t *key_data )
+{
+    mbedtls_pk_context pk;
+
+    /* For the write tests to be effective, we need a valid key pair. */
+    mbedtls_pk_init( &pk );
+    TEST_ASSERT( mbedtls_pk_parse_key( &pk,
+                                       key_data->x, key_data->len,
+                                       NULL, 0 ) == 0 );
+
+    TEST_ASSERT( mbedtls_pk_write_key_der( &pk, NULL, 0 ) ==
+                 MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
+
+    TEST_ASSERT( mbedtls_pk_write_pubkey_der( &pk, NULL, 0 ) ==
+                 MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
+
+#if defined(MBEDTLS_PEM_WRITE_C)
+    TEST_ASSERT( mbedtls_pk_write_key_pem( &pk, NULL, 0 ) ==
+                 MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL );
+
+    TEST_ASSERT( mbedtls_pk_write_pubkey_pem( &pk, NULL, 0 ) ==
+                 MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL );
+#endif /* MBEDTLS_PEM_WRITE_C */
+
+exit:
+    mbedtls_pk_free( &pk );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void invalid_parameters( )
+{
+    size_t len;
+    unsigned char *null_buf = NULL;
+    unsigned char buf[1];
+    unsigned char *p = buf;
+    char str[1] = {0};
+    mbedtls_pk_context pk;
+    mbedtls_md_type_t valid_md = MBEDTLS_MD_SHA256;
+    void *options = buf;
+
+    (void) null_buf;
+    (void) p;
+    (void) str;
+
+    mbedtls_pk_init( &pk );
+
+    TEST_INVALID_PARAM( mbedtls_pk_init( NULL ) );
+
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
+    TEST_INVALID_PARAM( mbedtls_pk_restart_init( NULL ) );
+#endif
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_setup( NULL, NULL ) );
+
+#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_setup_rsa_alt( NULL, buf,
+                                                      NULL, NULL, NULL ) );
+#endif
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify_restartable( NULL,
+                                                           MBEDTLS_MD_NONE,
+                                                           buf, sizeof( buf ),
+                                                           buf, sizeof( buf ),
+                                                           NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify_restartable( &pk,
+                                                           MBEDTLS_MD_NONE,
+                                                           NULL, sizeof( buf ),
+                                                           buf, sizeof( buf ),
+                                                           NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify_restartable( &pk,
+                                                           valid_md,
+                                                           NULL, 0,
+                                                           buf, sizeof( buf ),
+                                                           NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify_restartable( &pk,
+                                                           MBEDTLS_MD_NONE,
+                                                           buf, sizeof( buf ),
+                                                           NULL, sizeof( buf ),
+                                                           NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify( NULL,
+                                               MBEDTLS_MD_NONE,
+                                               buf, sizeof( buf ),
+                                               buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify( &pk,
+                                               MBEDTLS_MD_NONE,
+                                               NULL, sizeof( buf ),
+                                               buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify( &pk,
+                                               valid_md,
+                                               NULL, 0,
+                                               buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify( &pk,
+                                               MBEDTLS_MD_NONE,
+                                               buf, sizeof( buf ),
+                                               NULL, sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options,
+                                                   NULL,
+                                                   MBEDTLS_MD_NONE,
+                                                   buf, sizeof( buf ),
+                                                   buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options,
+                                                   &pk,
+                                                   MBEDTLS_MD_NONE,
+                                                   NULL, sizeof( buf ),
+                                                   buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options,
+                                                   &pk,
+                                                   valid_md,
+                                                   NULL, 0,
+                                                   buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options,
+                                                   &pk,
+                                                   MBEDTLS_MD_NONE,
+                                                   buf, sizeof( buf ),
+                                                   NULL, sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_sign_restartable( NULL,
+                                                         MBEDTLS_MD_NONE,
+                                                         buf, sizeof( buf ),
+                                                         buf, &len,
+                                                         rnd_std_rand, NULL,
+                                                         NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_sign_restartable( &pk,
+                                                         MBEDTLS_MD_NONE,
+                                                         NULL, sizeof( buf ),
+                                                         buf, &len,
+                                                         rnd_std_rand, NULL,
+                                                         NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_sign_restartable( &pk,
+                                                         valid_md,
+                                                         NULL, 0,
+                                                         buf, &len,
+                                                         rnd_std_rand, NULL,
+                                                         NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_sign_restartable( &pk,
+                                                         MBEDTLS_MD_NONE,
+                                                         buf, sizeof( buf ),
+                                                         NULL, &len,
+                                                         rnd_std_rand, NULL,
+                                                         NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_sign( NULL,
+                                             MBEDTLS_MD_NONE,
+                                             buf, sizeof( buf ),
+                                             buf, &len,
+                                             rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_sign( &pk,
+                                             MBEDTLS_MD_NONE,
+                                             NULL, sizeof( buf ),
+                                             buf, &len,
+                                             rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_sign( &pk,
+                                             valid_md,
+                                             NULL, 0,
+                                             buf, &len,
+                                             rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_sign( &pk,
+                                             MBEDTLS_MD_NONE,
+                                             buf, sizeof( buf ),
+                                             NULL, &len,
+                                             rnd_std_rand, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_decrypt( NULL,
+                                                buf, sizeof( buf ),
+                                                buf, &len, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_decrypt( &pk,
+                                                NULL, sizeof( buf ),
+                                                buf, &len, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_decrypt( &pk,
+                                                buf, sizeof( buf ),
+                                                NULL, &len, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_decrypt( &pk,
+                                                buf, sizeof( buf ),
+                                                buf, NULL, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_encrypt( NULL,
+                                                buf, sizeof( buf ),
+                                                buf, &len, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_encrypt( &pk,
+                                                NULL, sizeof( buf ),
+                                                buf, &len, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_encrypt( &pk,
+                                                buf, sizeof( buf ),
+                                                NULL, &len, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_encrypt( &pk,
+                                                buf, sizeof( buf ),
+                                                buf, NULL, sizeof( buf ),
+                                                rnd_std_rand, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_check_pair( NULL, &pk ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_check_pair( &pk, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_debug( NULL, NULL ) );
+
+#if defined(MBEDTLS_PK_PARSE_C)
+#if defined(MBEDTLS_FS_IO)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_load_file( NULL, &p, &len ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_load_file( str, NULL, &len ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_load_file( str, &p, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_keyfile( NULL, str, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_keyfile( &pk, NULL, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_public_keyfile( NULL, str ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_public_keyfile( &pk, NULL ) );
+#endif
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_subpubkey( NULL, buf, &pk ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_subpubkey( &null_buf, buf, &pk ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_subpubkey( &p, NULL, &pk ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_subpubkey( &p, buf, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_key( NULL,
+                                                  buf, sizeof( buf ),
+                                                  buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_key( &pk,
+                                                  NULL, sizeof( buf ),
+                                                  buf, sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_public_key( NULL,
+                                                         buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_parse_public_key( &pk,
+                                                         NULL, sizeof( buf ) ) );
+#endif /* MBEDTLS_PK_PARSE_C */
+
+#if defined(MBEDTLS_PK_WRITE_C)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_pubkey( NULL, p, &pk ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_pubkey( &null_buf, p, &pk ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_pubkey( &p, NULL, &pk ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_pubkey( &p, p, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_pubkey_der( NULL,
+                                                         buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_pubkey_der( &pk,
+                                                         NULL, sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_key_der( NULL,
+                                                      buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_key_der( &pk,
+                                                      NULL, sizeof( buf ) ) );
+
+#if defined(MBEDTLS_PEM_WRITE_C)
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_pubkey_pem( NULL,
+                                                         buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_pubkey_pem( &pk,
+                                                         NULL, sizeof( buf ) ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_key_pem( NULL,
+                                                      buf, sizeof( buf ) ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA,
+                            mbedtls_pk_write_key_pem( &pk,
+                                                      NULL, sizeof( buf ) ) );
+#endif /* MBEDTLS_PEM_WRITE_C */
+
+#endif /* MBEDTLS_PK_WRITE_C */
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
 void pk_utils( int type, int size, int len, char * name )
 {
     mbedtls_pk_context pk;
diff --git a/tests/suites/test_suite_poly1305.function b/tests/suites/test_suite_poly1305.function
index 62d2ad9..066bb39 100644
--- a/tests/suites/test_suite_poly1305.function
+++ b/tests/suites/test_suite_poly1305.function
@@ -88,7 +88,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
 void poly1305_bad_params()
 {
     unsigned char src[1];
@@ -97,38 +97,33 @@
     size_t src_len = sizeof( src );
     mbedtls_poly1305_context ctx;
 
-    mbedtls_poly1305_init( NULL );
-    mbedtls_poly1305_free( NULL );
+    TEST_INVALID_PARAM( mbedtls_poly1305_init( NULL ) );
+    TEST_VALID_PARAM( mbedtls_poly1305_free( NULL ) );
 
-    mbedtls_poly1305_init( &ctx );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                 mbedtls_poly1305_starts( NULL, key ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                 mbedtls_poly1305_starts( &ctx, NULL ) );
 
-    TEST_ASSERT( mbedtls_poly1305_starts( NULL, key )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_poly1305_starts( &ctx, NULL )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                 mbedtls_poly1305_update( NULL, src, 0 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                 mbedtls_poly1305_update( &ctx, NULL, src_len ) );
 
-    TEST_ASSERT( mbedtls_poly1305_update( NULL, src, 0 )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_poly1305_update( &ctx, NULL, src_len )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_poly1305_update( &ctx, NULL, 0 )
-                 == 0 );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                 mbedtls_poly1305_finish( NULL, mac ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                 mbedtls_poly1305_finish( &ctx, NULL ) );
 
-    TEST_ASSERT( mbedtls_poly1305_finish( NULL, mac )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_poly1305_finish( &ctx, NULL )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                 mbedtls_poly1305_mac( NULL, src, 0, mac ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                 mbedtls_poly1305_mac( key, NULL, src_len, mac ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA,
+                 mbedtls_poly1305_mac( key, src, 0, NULL ) );
 
-    TEST_ASSERT( mbedtls_poly1305_mac( NULL, src, 0, mac )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_poly1305_mac( key, NULL, src_len, mac )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_poly1305_mac( key, src, 0, NULL )
-                 == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
-    TEST_ASSERT( mbedtls_poly1305_mac( key, NULL, 0, mac )
-                 == 0 );
-
-    mbedtls_poly1305_free( &ctx );
+exit:
+    return;
 }
 /* END_CASE */
 
diff --git a/tests/suites/test_suite_rsa.data b/tests/suites/test_suite_rsa.data
index e495151..953b1ff 100644
--- a/tests/suites/test_suite_rsa.data
+++ b/tests/suites/test_suite_rsa.data
@@ -1,3 +1,6 @@
+RSA parameter validation
+rsa_invalid_param:
+
 RSA PKCS1 Verify v1.5 CAVS #1
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_PKCS1_V15
 # Good padding but wrong hash
@@ -255,12 +258,6 @@
 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 #8 (Invalid padding type)
-mbedtls_rsa_pkcs1_sign:"59779fd2a39e56640c4fc1e67b60aeffcecd78aed7ad2bdfa464e93d04198d48466b8da7445f25bfa19db2844edd5c8f539cf772cc132b483169d390db28a43bc4ee0f038f6568ffc87447746cb72fefac2d6d90ee3143a915ac4688028805905a68eb8f8a96674b093c495eddd8704461eaa2b345efbb2ad6930acd8023f870":2:MBEDTLS_MD_MD5:2048:16:"e79a373182bfaa722eb035f772ad2a9464bd842de59432c18bbab3a7dfeae318c9b915ee487861ab665a40bd6cda560152578e8579016c929df99fea05b4d64efca1d543850bc8164b40d71ed7f3fa4105df0fb9b9ad2a18ce182c8a4f4f975bea9aa0b9a1438a27a28e97ac8330ef37383414d1bd64607d6979ac050424fd17":16:"c6749cbb0db8c5a177672d4728a8b22392b2fc4d3b8361d5c0d5055a1b4e46d821f757c24eef2a51c561941b93b3ace7340074c058c9bb48e7e7414f42c41da4cccb5c2ba91deb30c586b7fb18af12a52995592ad139d3be429add6547e044becedaf31fa3b39421e24ee034fbf367d11f6b8f88ee483d163b431e1654ad3e89":16:"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":16:"3":"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":MBEDTLS_ERR_RSA_INVALID_PADDING
-
-RSA PKCS1 Sign #8 Verify (Invalid padding type)
-mbedtls_rsa_pkcs1_verify:"59779fd2a39e56640c4fc1e67b60aeffcecd78aed7ad2bdfa464e93d04198d48466b8da7445f25bfa19db2844edd5c8f539cf772cc132b483169d390db28a43bc4ee0f038f6568ffc87447746cb72fefac2d6d90ee3143a915ac4688028805905a68eb8f8a96674b093c495eddd8704461eaa2b345efbb2ad6930acd8023f870":1:MBEDTLS_MD_MD5:2048:16:"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":16:"3":"3bcf673c3b27f6e2ece4bb97c7a37161e6c6ee7419ef366efc3cfee0f15f415ff6d9d4390937386c6fec1771acba73f24ec6b0469ea8b88083f0b4e1b6069d7bf286e67cf94182a548663137e82a6e09c35de2c27779da0503f1f5bedfebadf2a875f17763a0564df4a6d945a5a3e46bc90fb692af3a55106aafc6b577587456ff8d49cfd5c299d7a2b776dbe4c1ae777b0f64aa3bab27689af32d6cc76157c7dc6900a3469e18a7d9b6bfe4951d1105a08864575e4f4ec05b3e053f9b7a2d5653ae085e50a63380d6bdd6f58ab378d7e0a2be708c559849891317089ab04c82d8bc589ea088b90b11dea5cf85856ff7e609cc1adb1d403beead4c126ff29021":MBEDTLS_ERR_RSA_INVALID_PADDING
-
 RSA PKCS1 Encrypt #1
 depends_on:MBEDTLS_PKCS1_V15
 mbedtls_rsa_pkcs1_encrypt:"4E636AF98E40F3ADCFCCB698F4E80B9F":MBEDTLS_RSA_PKCS_V15:2048:16:"b38ac65c8141f7f5c96e14470e851936a67bf94cc6821a39ac12c05f7c0b06d9e6ddba2224703b02e25f31452f9c4a8417b62675fdc6df46b94813bc7b9769a892c482b830bfe0ad42e46668ace68903617faf6681f4babf1cc8e4b0420d3c7f61dc45434c6b54e2c3ee0fc07908509d79c9826e673bf8363255adb0add2401039a7bcd1b4ecf0fbe6ec8369d2da486eec59559dd1d54c9b24190965eafbdab203b35255765261cd0909acf93c3b8b8428cbb448de4715d1b813d0c94829c229543d391ce0adab5351f97a3810c1f73d7b1458b97daed4209c50e16d064d2d5bfda8c23893d755222793146d0a78c3d64f35549141486c3b0961a7b4c1a2034f":16:"3":"b0c0b193ba4a5b4502bfacd1a9c2697da5510f3e3ab7274cf404418afd2c62c89b98d83bbc21c8c1bf1afe6d8bf40425e053e9c03e03a3be0edbe1eda073fade1cc286cc0305a493d98fe795634c3cad7feb513edb742d66d910c87d07f6b0055c3488bb262b5fd1ce8747af64801fb39d2d3a3e57086ffe55ab8d0a2ca86975629a0f85767a4990c532a7c2dab1647997ebb234d0b28a0008bfebfc905e7ba5b30b60566a5e0190417465efdbf549934b8f0c5c9f36b7c5b6373a47ae553ced0608a161b1b70dfa509375cf7a3598223a6d7b7a1d1a06ac74d345a9bb7c0e44c8388858a4f1d8115f2bd769ffa69020385fa286302c80e950f9e2751308666c":0
@@ -277,12 +274,6 @@
 depends_on:MBEDTLS_PKCS1_V15
 mbedtls_rsa_pkcs1_decrypt:"deadbeafcafedeadbeeffedcba9876":MBEDTLS_RSA_PKCS_V15:2048:16:"e79a373182bfaa722eb035f772ad2a9464bd842de59432c18bbab3a7dfeae318c9b915ee487861ab665a40bd6cda560152578e8579016c929df99fea05b4d64efca1d543850bc8164b40d71ed7f3fa4105df0fb9b9ad2a18ce182c8a4f4f975bea9aa0b9a1438a27a28e97ac8330ef37383414d1bd64607d6979ac050424fd17":16:"c6749cbb0db8c5a177672d4728a8b22392b2fc4d3b8361d5c0d5055a1b4e46d821f757c24eef2a51c561941b93b3ace7340074c058c9bb48e7e7414f42c41da4cccb5c2ba91deb30c586b7fb18af12a52995592ad139d3be429add6547e044becedaf31fa3b39421e24ee034fbf367d11f6b8f88ee483d163b431e1654ad3e89":16:"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":16:"3":1000:"4E636AF98E40F3ADCFCCB698F4E80B9F":MBEDTLS_ERR_RSA_PRIVATE_FAILED + MBEDTLS_ERR_MPI_BAD_INPUT_DATA
 
-RSA PKCS1 Encrypt #3 (Invalid padding mode)
-mbedtls_rsa_pkcs1_encrypt:"4E636AF98E40F3ADCFCCB698F4E80B9F":2:2048:16:"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":16:"3":"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":MBEDTLS_ERR_RSA_INVALID_PADDING
-
-RSA PKCS1 Decrypt #3 (Invalid padding mode)
-mbedtls_rsa_pkcs1_decrypt:"a42eda41e56235e666e7faaa77100197f657288a1bf183e4820f0c37ce2c456b960278d6003e0bbcd4be4a969f8e8fd9231e1f492414f00ed09844994c86ec32db7cde3bec7f0c3dbf6ae55baeb2712fa609f5fc3207a824eb3dace31849cd6a6084318523912bccb84cf42e3c6d6d1685131d69bb545acec827d2b0dfdd5568b7dcc4f5a11d6916583fefa689d367f8c9e1d95dcd2240895a9470b0c1730f97cd6e8546860bd254801769f54be96e16362ddcbf34d56035028890199e0f48db38642cb66a4181e028a6443a404fea284ce02b4614b683367d40874e505611d23142d49f06feea831d52d347b13610b413c4efc43a6de9f0b08d2a951dc503b6":2:2048:16:"e79a373182bfaa722eb035f772ad2a9464bd842de59432c18bbab3a7dfeae318c9b915ee487861ab665a40bd6cda560152578e8579016c929df99fea05b4d64efca1d543850bc8164b40d71ed7f3fa4105df0fb9b9ad2a18ce182c8a4f4f975bea9aa0b9a1438a27a28e97ac8330ef37383414d1bd64607d6979ac050424fd17":16:"c6749cbb0db8c5a177672d4728a8b22392b2fc4d3b8361d5c0d5055a1b4e46d821f757c24eef2a51c561941b93b3ace7340074c058c9bb48e7e7414f42c41da4cccb5c2ba91deb30c586b7fb18af12a52995592ad139d3be429add6547e044becedaf31fa3b39421e24ee034fbf367d11f6b8f88ee483d163b431e1654ad3e89":16:"b38ac65c8141f7f5c96e14470e851936a67bf94cc6821a39ac12c05f7c0b06d9e6ddba2224703b02e25f31452f9c4a8417b62675fdc6df46b94813bc7b9769a892c482b830bfe0ad42e46668ace68903617faf6681f4babf1cc8e4b0420d3c7f61dc45434c6b54e2c3ee0fc07908509d79c9826e673bf8363255adb0add2401039a7bcd1b4ecf0fbe6ec8369d2da486eec59559dd1d54c9b24190965eafbdab203b35255765261cd0909acf93c3b8b8428cbb448de4715d1b813d0c94829c229543d391ce0adab5351f97a3810c1f73d7b1458b97daed4209c50e16d064d2d5bfda8c23893d755222793146d0a78c3d64f35549141486c3b0961a7b4c1a2034f":16:"3":1000:"4E636AF98E40F3ADCFCCB698F4E80B9F":MBEDTLS_ERR_RSA_INVALID_PADDING
-
 RSA PKCS1 Decrypt #4 (Output buffer too small)
 depends_on:MBEDTLS_PKCS1_V15
 mbedtls_rsa_pkcs1_decrypt:"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":MBEDTLS_RSA_PKCS_V15:2048:16:"e79a373182bfaa722eb035f772ad2a9464bd842de59432c18bbab3a7dfeae318c9b915ee487861ab665a40bd6cda560152578e8579016c929df99fea05b4d64efca1d543850bc8164b40d71ed7f3fa4105df0fb9b9ad2a18ce182c8a4f4f975bea9aa0b9a1438a27a28e97ac8330ef37383414d1bd64607d6979ac050424fd17":16:"c6749cbb0db8c5a177672d4728a8b22392b2fc4d3b8361d5c0d5055a1b4e46d821f757c24eef2a51c561941b93b3ace7340074c058c9bb48e7e7414f42c41da4cccb5c2ba91deb30c586b7fb18af12a52995592ad139d3be429add6547e044becedaf31fa3b39421e24ee034fbf367d11f6b8f88ee483d163b431e1654ad3e89":16:"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":16:"3":15:"4E636AF98E40F3ADCFCCB698F4E80B9F":MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE
@@ -339,6 +330,7 @@
 mbedtls_rsa_check_pubkey:16:"7edcba9876543210deadbeefcafe4321":16:"3":MBEDTLS_ERR_RSA_KEY_CHECK_FAILED
 
 RSA Check Public key #6 (N exactly 8192 bits)
+depends_on:MBEDTLS_MPI_MAX_SIZE>=1024
 mbedtls_rsa_check_pubkey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
 
 RSA Check Public key #7 (N larger than 8192 bits)
@@ -486,7 +478,7 @@
 RSA Import (N,-,-,D,E)
 mbedtls_rsa_import:16:"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
 
-RSA Import (N,-,-,D,E), succesive
+RSA Import (N,-,-,D,E), successive
 mbedtls_rsa_import:16:"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
 
 RSA Import (N,P,Q,-,E)
@@ -573,7 +565,7 @@
 RSA Export (N,-,-,D,E)
 mbedtls_rsa_export:16:"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
 
-RSA Export (N,-,-,D,E), succesive
+RSA Export (N,-,-,D,E), successive
 mbedtls_rsa_export:16:"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
 
 RSA Export (N,P,Q,-,E)
@@ -594,7 +586,7 @@
 RSA Export Raw (N,-,-,D,E)
 mbedtls_rsa_export_raw:"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
 
-RSA Export Raw (N,-,-,D,E), succesive
+RSA Export Raw (N,-,-,D,E), successive
 mbedtls_rsa_export_raw:"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
 
 RSA Export Raw (N,P,Q,-,E)
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index c43ef20..89c84e8 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -17,6 +17,454 @@
  * END_DEPENDENCIES
  */
 
+/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void rsa_invalid_param( )
+{
+    mbedtls_rsa_context ctx;
+    const int valid_padding = MBEDTLS_RSA_PKCS_V21;
+    const int invalid_padding = 42;
+    const int valid_mode = MBEDTLS_RSA_PRIVATE;
+    const int invalid_mode = 42;
+    unsigned char buf[42] = { 0 };
+    size_t olen;
+
+    TEST_INVALID_PARAM( mbedtls_rsa_init( NULL, valid_padding, 0 ) );
+    TEST_INVALID_PARAM( mbedtls_rsa_init( &ctx, invalid_padding, 0 ) );
+    TEST_VALID_PARAM( mbedtls_rsa_free( NULL ) );
+
+    /* No more variants because only the first argument must be non-NULL. */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_import( NULL, NULL, NULL,
+                                                NULL, NULL, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_import_raw( NULL,
+                                                    NULL, 0,
+                                                    NULL, 0,
+                                                    NULL, 0,
+                                                    NULL, 0,
+                                                    NULL, 0 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_complete( NULL ) );
+
+    /* No more variants because only the first argument must be non-NULL. */
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_export( NULL, NULL, NULL,
+                                                NULL, NULL, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_export_raw( NULL,
+                                                    NULL, 0,
+                                                    NULL, 0,
+                                                    NULL, 0,
+                                                    NULL, 0,
+                                                    NULL, 0 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_export_crt( NULL, NULL, NULL, NULL ) );
+
+    TEST_INVALID_PARAM( mbedtls_rsa_set_padding( NULL,
+                                                 valid_padding, 0 ) );
+    TEST_INVALID_PARAM( mbedtls_rsa_set_padding( &ctx,
+                                                 invalid_padding, 0 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_gen_key( NULL, rnd_std_rand,
+                                                 NULL, 0, 0 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_gen_key( &ctx, NULL,
+                                                 NULL, 0, 0 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_check_pubkey( NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_check_privkey( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_check_pub_priv( NULL, &ctx ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_check_pub_priv( &ctx, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_public( NULL, buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_public( &ctx, NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_public( &ctx, buf, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_private( NULL, NULL, NULL,
+                                                 buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_private( &ctx, NULL, NULL,
+                                                 NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_private( &ctx, NULL, NULL,
+                                                 buf, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_encrypt( NULL, NULL, NULL,
+                                                       valid_mode,
+                                                       sizeof( buf ), buf,
+                                                       buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_encrypt( &ctx, NULL, NULL,
+                                                       invalid_mode,
+                                                       sizeof( buf ), buf,
+                                                       buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_encrypt( &ctx, NULL, NULL,
+                                                       valid_mode,
+                                                       sizeof( buf ), NULL,
+                                                       buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_encrypt( &ctx, NULL, NULL,
+                                                       valid_mode,
+                                                       sizeof( buf ), buf,
+                                                       NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_pkcs1_v15_encrypt( NULL, NULL,
+                                                           NULL,
+                                                           valid_mode,
+                                                           sizeof( buf ), buf,
+                                                           buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_pkcs1_v15_encrypt( &ctx, NULL,
+                                                           NULL,
+                                                           invalid_mode,
+                                                           sizeof( buf ), buf,
+                                                           buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_pkcs1_v15_encrypt( &ctx, NULL,
+                                                           NULL,
+                                                           valid_mode,
+                                                           sizeof( buf ), NULL,
+                                                           buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_pkcs1_v15_encrypt( &ctx, NULL,
+                                                           NULL,
+                                                           valid_mode,
+                                                           sizeof( buf ), buf,
+                                                           NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_oaep_encrypt( NULL, NULL, NULL,
+                                                            valid_mode,
+                                                            buf, sizeof( buf ),
+                                                            sizeof( buf ), buf,
+                                                            buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_oaep_encrypt( &ctx, NULL, NULL,
+                                                            invalid_mode,
+                                                            buf, sizeof( buf ),
+                                                            sizeof( buf ), buf,
+                                                            buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_oaep_encrypt( &ctx, NULL, NULL,
+                                                            valid_mode,
+                                                            NULL, sizeof( buf ),
+                                                            sizeof( buf ), buf,
+                                                            buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_oaep_encrypt( &ctx, NULL, NULL,
+                                                            valid_mode,
+                                                            buf, sizeof( buf ),
+                                                            sizeof( buf ), NULL,
+                                                            buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_oaep_encrypt( &ctx, NULL, NULL,
+                                                            valid_mode,
+                                                            buf, sizeof( buf ),
+                                                            sizeof( buf ), buf,
+                                                            NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_decrypt( NULL, NULL, NULL,
+                                                       valid_mode, &olen,
+                                                       buf, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_decrypt( &ctx, NULL, NULL,
+                                                       invalid_mode, &olen,
+                                                       buf, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_decrypt( &ctx, NULL, NULL,
+                                                       valid_mode, NULL,
+                                                       buf, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_decrypt( &ctx, NULL, NULL,
+                                                       valid_mode, &olen,
+                                                       NULL, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_decrypt( &ctx, NULL, NULL,
+                                                       valid_mode, &olen,
+                                                       buf, NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_pkcs1_v15_decrypt( NULL, NULL,
+                                                           NULL,
+                                                           valid_mode, &olen,
+                                                           buf, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_pkcs1_v15_decrypt( &ctx, NULL,
+                                                           NULL,
+                                                           invalid_mode, &olen,
+                                                           buf, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_pkcs1_v15_decrypt( &ctx, NULL,
+                                                           NULL,
+                                                           valid_mode, NULL,
+                                                           buf, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_pkcs1_v15_decrypt( &ctx, NULL,
+                                                           NULL,
+                                                           valid_mode, &olen,
+                                                           NULL, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_pkcs1_v15_decrypt( &ctx, NULL,
+                                                           NULL,
+                                                           valid_mode, &olen,
+                                                           buf, NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_oaep_decrypt( NULL, NULL, NULL,
+                                                            valid_mode,
+                                                            buf, sizeof( buf ),
+                                                            &olen,
+                                                            buf, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_oaep_decrypt( &ctx, NULL, NULL,
+                                                            invalid_mode,
+                                                            buf, sizeof( buf ),
+                                                            &olen,
+                                                            buf, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_oaep_decrypt( &ctx, NULL, NULL,
+                                                            valid_mode,
+                                                            NULL, sizeof( buf ),
+                                                            NULL,
+                                                            buf, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_oaep_decrypt( &ctx, NULL, NULL,
+                                                            valid_mode,
+                                                            buf, sizeof( buf ),
+                                                            &olen,
+                                                            NULL, buf, 42 ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsaes_oaep_decrypt( &ctx, NULL, NULL,
+                                                            valid_mode,
+                                                            buf, sizeof( buf ),
+                                                            &olen,
+                                                            buf, NULL, 42 ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_sign( NULL, NULL, NULL,
+                                                    valid_mode,
+                                                    0, sizeof( buf ), buf,
+                                                    buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_sign( &ctx, NULL, NULL,
+                                                    invalid_mode,
+                                                    0, sizeof( buf ), buf,
+                                                    buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_sign( &ctx, NULL, NULL,
+                                                    valid_mode,
+                                                    0, sizeof( buf ), NULL,
+                                                    buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_sign( &ctx, NULL, NULL,
+                                                    valid_mode,
+                                                    0, sizeof( buf ), buf,
+                                                    NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_sign( &ctx, NULL, NULL,
+                                                    valid_mode,
+                                                    MBEDTLS_MD_SHA1,
+                                                    0, NULL,
+                                                    buf ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pkcs1_v15_sign( NULL, NULL, NULL,
+                                                        valid_mode,
+                                                        0, sizeof( buf ), buf,
+                                                        buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pkcs1_v15_sign( &ctx, NULL, NULL,
+                                                        invalid_mode,
+                                                        0, sizeof( buf ), buf,
+                                                        buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pkcs1_v15_sign( &ctx, NULL, NULL,
+                                                        valid_mode,
+                                                        0, sizeof( buf ), NULL,
+                                                        buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pkcs1_v15_sign( &ctx, NULL, NULL,
+                                                        valid_mode,
+                                                        0, sizeof( buf ), buf,
+                                                        NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pkcs1_v15_sign( &ctx, NULL, NULL,
+                                                        valid_mode,
+                                                        MBEDTLS_MD_SHA1,
+                                                        0, NULL,
+                                                        buf ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_sign( NULL, NULL, NULL,
+                                                         valid_mode,
+                                                         0, sizeof( buf ), buf,
+                                                         buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_sign( &ctx, NULL, NULL,
+                                                         invalid_mode,
+                                                         0, sizeof( buf ), buf,
+                                                         buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_sign( &ctx, NULL, NULL,
+                                                         valid_mode,
+                                                         0, sizeof( buf ), NULL,
+                                                         buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_sign( &ctx, NULL, NULL,
+                                                         valid_mode,
+                                                         0, sizeof( buf ), buf,
+                                                         NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_sign( &ctx, NULL, NULL,
+                                                         valid_mode,
+                                                         MBEDTLS_MD_SHA1,
+                                                         0, NULL,
+                                                         buf ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_verify( NULL, NULL, NULL,
+                                                      valid_mode,
+                                                      0, sizeof( buf ), buf,
+                                                      buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_verify( &ctx, NULL, NULL,
+                                                      invalid_mode,
+                                                      0, sizeof( buf ), buf,
+                                                      buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_verify( &ctx, NULL, NULL,
+                                                      valid_mode,
+                                                      0, sizeof( buf ), NULL,
+                                                      buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_verify( &ctx, NULL, NULL,
+                                                      valid_mode,
+                                                      0, sizeof( buf ), buf,
+                                                      NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_pkcs1_verify( &ctx, NULL, NULL,
+                                                      valid_mode,
+                                                      MBEDTLS_MD_SHA1, 0, NULL,
+                                                      buf ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pkcs1_v15_verify( NULL, NULL,
+                                                          NULL,
+                                                          valid_mode,
+                                                          0, sizeof( buf ), buf,
+                                                          buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pkcs1_v15_verify( &ctx, NULL,
+                                                          NULL,
+                                                          invalid_mode,
+                                                          0, sizeof( buf ), buf,
+                                                          buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pkcs1_v15_verify( &ctx, NULL,
+                                                          NULL,
+                                                          valid_mode,
+                                                          0, sizeof( buf ),
+                                                          NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pkcs1_v15_verify( &ctx, NULL,
+                                                          NULL,
+                                                          valid_mode,
+                                                          0, sizeof( buf ), buf,
+                                                          NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pkcs1_v15_verify( &ctx, NULL,
+                                                          NULL,
+                                                          valid_mode,
+                                                          MBEDTLS_MD_SHA1,
+                                                          0, NULL,
+                                                          buf ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_verify( NULL, NULL, NULL,
+                                                           valid_mode,
+                                                           0, sizeof( buf ),
+                                                           buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_verify( &ctx, NULL, NULL,
+                                                           invalid_mode,
+                                                           0, sizeof( buf ),
+                                                           buf, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_verify( &ctx, NULL, NULL,
+                                                           valid_mode,
+                                                           0, sizeof( buf ),
+                                                           NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_verify( &ctx, NULL, NULL,
+                                                           valid_mode,
+                                                           0, sizeof( buf ),
+                                                           buf, NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_verify( &ctx, NULL, NULL,
+                                                           valid_mode,
+                                                           MBEDTLS_MD_SHA1,
+                                                           0, NULL,
+                                                           buf ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_verify_ext( NULL, NULL, NULL,
+                                                               valid_mode,
+                                                               0, sizeof( buf ),
+                                                               buf,
+                                                               0, 0,
+                                                               buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_verify_ext( &ctx, NULL, NULL,
+                                                               invalid_mode,
+                                                               0, sizeof( buf ),
+                                                               buf,
+                                                               0, 0,
+                                                               buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_verify_ext( &ctx, NULL, NULL,
+                                                               valid_mode,
+                                                               0, sizeof( buf ),
+                                                               NULL, 0, 0,
+                                                               buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_verify_ext( &ctx, NULL, NULL,
+                                                               valid_mode,
+                                                               0, sizeof( buf ),
+                                                               buf, 0, 0,
+                                                               NULL ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_rsassa_pss_verify_ext( &ctx, NULL, NULL,
+                                                               valid_mode,
+                                                               MBEDTLS_MD_SHA1,
+                                                               0, NULL,
+                                                               0, 0,
+                                                               buf ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_copy( NULL, &ctx ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_RSA_BAD_INPUT_DATA,
+                            mbedtls_rsa_copy( &ctx, NULL ) );
+
+exit:
+    return;
+}
+/* END_CASE */
+
 /* BEGIN_CASE */
 void mbedtls_rsa_pkcs1_sign( data_t * message_str, int padding_mode,
                              int digest, int mod, int radix_P, char * input_P,
diff --git a/tests/suites/test_suite_shax.data b/tests/suites/test_suite_shax.data
index ee8074d..2f65c23 100644
--- a/tests/suites/test_suite_shax.data
+++ b/tests/suites/test_suite_shax.data
@@ -1,3 +1,9 @@
+SHA-1 - Valid parameters
+sha1_valid_param:
+
+SHA-1 - Invalid parameters
+sha1_invalid_param:
+
 # Test the operation of SHA-1 and SHA-2
 SHA-1 Test Vector NIST CAVS #1
 depends_on:MBEDTLS_SHA1_C
@@ -39,6 +45,12 @@
 depends_on:MBEDTLS_SHA1_C
 mbedtls_sha1:"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":"11863b483809ef88413ca9b0084ac4a5390640af"
 
+SHA-256 Valid parameters
+sha256_valid_param:
+
+SHA-256 Invalid parameters
+sha256_invalid_param:
+
 SHA-224 Test Vector NIST CAVS #1
 depends_on:MBEDTLS_SHA256_C
 sha224:"":"d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f"
@@ -95,6 +107,12 @@
 depends_on:MBEDTLS_SHA256_C
 mbedtls_sha256:"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":"4109cdbec3240ad74cc6c37f39300f70fede16e21efc77f7865998714aad0b5e"
 
+SHA-512 Invalid parameters
+sha512_invalid_param:
+
+SHA-512 Valid parameters
+sha512_valid_param:
+
 SHA-384 Test Vector NIST CAVS #1
 depends_on:MBEDTLS_SHA512_C
 sha384:"":"38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b"
diff --git a/tests/suites/test_suite_shax.function b/tests/suites/test_suite_shax.function
index 147ae0e..e621f49 100644
--- a/tests/suites/test_suite_shax.function
+++ b/tests/suites/test_suite_shax.function
@@ -5,6 +5,53 @@
 /* END_HEADER */
 
 /* BEGIN_CASE depends_on:MBEDTLS_SHA1_C */
+void sha1_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_sha1_free( NULL ) );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_SHA1_C:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void sha1_invalid_param( )
+{
+    mbedtls_sha1_context ctx;
+    unsigned char buf[64] = { 0 };
+    size_t const buflen = sizeof( buf );
+
+    TEST_INVALID_PARAM( mbedtls_sha1_init( NULL ) );
+
+    TEST_INVALID_PARAM( mbedtls_sha1_clone( NULL, &ctx ) );
+    TEST_INVALID_PARAM( mbedtls_sha1_clone( &ctx, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
+                            mbedtls_sha1_starts_ret( NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
+                            mbedtls_sha1_update_ret( NULL, buf, buflen ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
+                            mbedtls_sha1_update_ret( &ctx, NULL, buflen ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
+                            mbedtls_sha1_finish_ret( NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
+                            mbedtls_sha1_finish_ret( &ctx, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
+                            mbedtls_internal_sha1_process( NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
+                            mbedtls_internal_sha1_process( &ctx, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
+                            mbedtls_sha1_ret( NULL, buflen, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA1_BAD_INPUT_DATA,
+                            mbedtls_sha1_ret( buf, buflen, NULL ) );
+
+exit:
+    return;
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_SHA1_C */
 void mbedtls_sha1( data_t * src_str, data_t * hex_hash_string )
 {
     unsigned char output[41];
@@ -19,6 +66,62 @@
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */
+void sha256_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_sha256_free( NULL ) );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void sha256_invalid_param( )
+{
+    mbedtls_sha256_context ctx;
+    unsigned char buf[64] = { 0 };
+    size_t const buflen = sizeof( buf );
+    int valid_type = 0;
+    int invalid_type = 42;
+
+    TEST_INVALID_PARAM( mbedtls_sha256_init( NULL ) );
+
+    TEST_INVALID_PARAM( mbedtls_sha256_clone( NULL, &ctx ) );
+    TEST_INVALID_PARAM( mbedtls_sha256_clone( &ctx, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_sha256_starts_ret( NULL, valid_type ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_sha256_starts_ret( &ctx, invalid_type ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_sha256_update_ret( NULL, buf, buflen ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_sha256_update_ret( &ctx, NULL, buflen ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_sha256_finish_ret( NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_sha256_finish_ret( &ctx, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_internal_sha256_process( NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_internal_sha256_process( &ctx, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_sha256_ret( NULL, buflen,
+                                                buf, valid_type ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_sha256_ret( buf, buflen,
+                                                NULL, valid_type ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA256_BAD_INPUT_DATA,
+                            mbedtls_sha256_ret( buf, buflen,
+                                                buf, invalid_type ) );
+
+exit:
+    return;
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */
 void sha224( data_t * src_str, data_t * hex_hash_string )
 {
     unsigned char output[57];
@@ -47,6 +150,62 @@
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_SHA512_C */
+void sha512_valid_param( )
+{
+    TEST_VALID_PARAM( mbedtls_sha512_free( NULL ) );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_SHA512_C:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */
+void sha512_invalid_param( )
+{
+    mbedtls_sha512_context ctx;
+    unsigned char buf[64] = { 0 };
+    size_t const buflen = sizeof( buf );
+    int valid_type = 0;
+    int invalid_type = 42;
+
+    TEST_INVALID_PARAM( mbedtls_sha512_init( NULL ) );
+
+    TEST_INVALID_PARAM( mbedtls_sha512_clone( NULL, &ctx ) );
+    TEST_INVALID_PARAM( mbedtls_sha512_clone( &ctx, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_sha512_starts_ret( NULL, valid_type ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_sha512_starts_ret( &ctx, invalid_type ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_sha512_update_ret( NULL, buf, buflen ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_sha512_update_ret( &ctx, NULL, buflen ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_sha512_finish_ret( NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_sha512_finish_ret( &ctx, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_internal_sha512_process( NULL, buf ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_internal_sha512_process( &ctx, NULL ) );
+
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_sha512_ret( NULL, buflen,
+                                                buf, valid_type ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_sha512_ret( buf, buflen,
+                                                NULL, valid_type ) );
+    TEST_INVALID_PARAM_RET( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA,
+                            mbedtls_sha512_ret( buf, buflen,
+                                                buf, invalid_type ) );
+
+exit:
+    return;
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_SHA512_C */
 void sha384( data_t * src_str, data_t * hex_hash_string )
 {
     unsigned char output[97];
diff --git a/tests/suites/test_suite_version.data b/tests/suites/test_suite_version.data
index 3fe549a..62bb782 100644
--- a/tests/suites/test_suite_version.data
+++ b/tests/suites/test_suite_version.data
@@ -1,8 +1,8 @@
 Check compiletime library version
-check_compiletime_version:"2.14.0"
+check_compiletime_version:"2.16.0"
 
 Check runtime library version
-check_runtime_version:"2.14.0"
+check_runtime_version:"2.16.0"
 
 Check for MBEDTLS_VERSION_C
 check_feature:"MBEDTLS_VERSION_C":0
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 8f97c0c..6786c36 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -278,6 +278,10 @@
 depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_X509_RSASSA_PSS_SUPPORT:MBEDTLS_SHA512_C
 mbedtls_x509_csr_info:"data_files/server9.req.sha512":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=localhost\nsigned using  \: RSASSA-PSS (SHA512, MGF1-SHA512, 0x3E)\nRSA key size  \: 1024 bits\n"
 
+X509 CSR Information RSA with SHA256 - Microsoft header
+depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_SHA256_C:MBEDTLS_RSA_C
+mbedtls_x509_csr_info:"data_files/server1-ms.req.sha256":"CSR version   \: 1\nsubject name  \: C=NL, O=PolarSSL, CN=PolarSSL Server 1\nsigned using  \: RSA with SHA-256\nRSA key size  \: 2048 bits\n"
+
 X509 Verify Information: empty
 x509_verify_info:0:"":""
 
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 552c494..8914bd0 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -334,6 +334,10 @@
     char *      cn_name = NULL;
     const mbedtls_x509_crt_profile *profile;
 
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    TEST_ASSERT( psa_crypto_init() == 0 );
+#endif
+
     mbedtls_x509_crt_init( &crt );
     mbedtls_x509_crt_init( &ca );
     mbedtls_x509_crl_init( &crl );
@@ -387,6 +391,10 @@
     uint32_t flags = 0;
     verify_print_context vrfy_ctx;
 
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    TEST_ASSERT( psa_crypto_init() == 0 );
+#endif
+
     mbedtls_x509_crt_init( &crt );
     mbedtls_x509_crt_init( &ca );
     verify_print_init( &vrfy_ctx );
@@ -605,6 +613,10 @@
     uint32_t flags;
     mbedtls_x509_crt trusted, chain;
 
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    TEST_ASSERT( psa_crypto_init() == 0 );
+#endif
+
     /*
      * We expect chain_dir to contain certificates 00.crt, 01.crt, etc.
      * with NN.crt signed by NN-1.crt
@@ -646,6 +658,10 @@
     mbedtls_x509_crt trusted, chain;
     const mbedtls_x509_crt_profile *profile = NULL;
 
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    TEST_ASSERT( psa_crypto_init() == 0 );
+#endif
+
     mbedtls_x509_crt_init( &chain );
     mbedtls_x509_crt_init( &trusted );