Merge pull request #8069 from paul-elliott-arm/fix_ecjpake_deadcode

Fix logical dead code found by Coverity
diff --git a/.travis.yml b/.travis.yml
index bf5ccd9..3a608f5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -129,6 +129,30 @@
         - tests/scripts/travis-log-failure.sh
         - tests/context-info.sh
 
+    - name: Arm64 accelerators tests on arm64 host
+      os: linux
+      dist: focal
+      arch: arm64
+      addons:
+        apt:
+          packages:
+          - gcc
+      script:
+        # Do a manual build+test sequence rather than using all.sh.
+        #
+        # This is arm64 host only test for no runtime detection case. Internal
+        # and Open CI do not include Arm64 host, and they check if components
+        # are be tested. As result, it will always fail on `pre-test-check` in
+        # them.
+        - scripts/config.py unset MBEDTLS_AESNI_C
+        - scripts/config.py unset MBEDTLS_PADLOCK_C
+        - scripts/config.py set MBEDTLS_AESCE_C
+        - scripts/config.py set MBEDTLS_AES_USE_HARDWARE_ONLY
+        - make generated_files
+        - make
+        - programs/test/selftest aes | grep "using AESCE"
+        - tests/context-info.sh
+
 after_failure:
 - tests/scripts/travis-log-failure.sh
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9092c49..4d7e0b0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -226,7 +226,9 @@
 endif(CMAKE_COMPILER_IS_CLANG)
 
 if(CMAKE_COMPILER_IS_IAR)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --warn_about_c_style_casts -Ohz")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --warn_about_c_style_casts")
+    set(CMAKE_C_FLAGS_RELEASE     "-Ohz")
+    set(CMAKE_C_FLAGS_DEBUG       "--debug -On")
 endif(CMAKE_COMPILER_IS_IAR)
 
 if(CMAKE_COMPILER_IS_MSVC)
diff --git a/ChangeLog.d/add-aes-hardware-only-option.txt b/ChangeLog.d/add-aes-hardware-only-option.txt
new file mode 100644
index 0000000..a185aff
--- /dev/null
+++ b/ChangeLog.d/add-aes-hardware-only-option.txt
@@ -0,0 +1,6 @@
+Features
+   * New configuration option MBEDTLS_AES_USE_HARDWARE_ONLY introduced. When
+     using CPU-accelerated AES (e.g., Arm Crypto Extensions), this option
+     disables the plain C implementation and the run-time detection for the
+     CPU feature, which reduces code size and avoids the vulnerability of the
+     plain C implementation.
diff --git a/ChangeLog.d/add-pbkdf2-cmac.txt b/ChangeLog.d/add-pbkdf2-cmac.txt
new file mode 100644
index 0000000..0ed84ea
--- /dev/null
+++ b/ChangeLog.d/add-pbkdf2-cmac.txt
@@ -0,0 +1,2 @@
+Features
+   * Add support for PBKDF2-CMAC through the PSA API.
diff --git a/ChangeLog.d/add-rfc822-directoryname-csr-gen.txt b/ChangeLog.d/add-rfc822-directoryname-csr-gen.txt
new file mode 100644
index 0000000..ff8693c
--- /dev/null
+++ b/ChangeLog.d/add-rfc822-directoryname-csr-gen.txt
@@ -0,0 +1,3 @@
+Features
+   * Add a possibility to generate CSR's with RCF822 and directoryName subtype
+     of subjectAltName extension in x509 certificates.
diff --git a/ChangeLog.d/fix-a-few-unchecked-return.txt b/ChangeLog.d/fix-a-few-unchecked-return.txt
new file mode 100644
index 0000000..aadde36
--- /dev/null
+++ b/ChangeLog.d/fix-a-few-unchecked-return.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Fix some cases where mbedtls_mpi_mod_exp, RSA key construction or ECDSA
+     signature can silently return an incorrect result in low memory conditions.
diff --git a/ChangeLog.d/fix-aes-cbc-iv-corruption b/ChangeLog.d/fix-aes-cbc-iv-corruption
new file mode 100644
index 0000000..11eb946
--- /dev/null
+++ b/ChangeLog.d/fix-aes-cbc-iv-corruption
@@ -0,0 +1,3 @@
+Bugfix
+   * Fix a potential corruption of the passed-in IV when mbedtls_aes_crypt_cbc()
+     is called with zero length and padlock is not enabled.
diff --git a/ChangeLog.d/fix-empty-enum.txt b/ChangeLog.d/fix-empty-enum.txt
new file mode 100644
index 0000000..458d58f
--- /dev/null
+++ b/ChangeLog.d/fix-empty-enum.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Fix compile failure due to empty enum in cipher_wrap.c, when building
+     with a very minimal configuration. Fixes #7625.
diff --git a/ChangeLog.d/use_heap_rsa_signature.txt b/ChangeLog.d/use_heap_rsa_signature.txt
new file mode 100644
index 0000000..e6d7b12
--- /dev/null
+++ b/ChangeLog.d/use_heap_rsa_signature.txt
@@ -0,0 +1,4 @@
+Changes
+   * Use heap memory to allocate DER encoded RSA private key.
+     This reduces stack usage significantly for RSA signature
+     operations when MBEDTLS_PSA_CRYPTO_C is defined.
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 3d6353e..ca267bd 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -412,10 +412,6 @@
 #error "MBEDTLS_MEMORY_DEBUG defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
-#error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
-#endif
-
 #if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
 #error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
 #endif
diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index e113865..303758f 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -273,6 +273,7 @@
 #if defined(PSA_WANT_ALG_PBKDF2_HMAC)
 #if !defined(MBEDTLS_PSA_ACCEL_ALG_PBKDF2_HMAC)
 #define MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC 1
+#define PSA_HAVE_SOFT_PBKDF2_HMAC
 #if !defined(MBEDTLS_PSA_ACCEL_ALG_HMAC)
 #define MBEDTLS_PSA_BUILTIN_ALG_HMAC 1
 #endif /* !MBEDTLS_PSA_ACCEL_ALG_HMAC */
@@ -438,13 +439,21 @@
 #define PSA_HAVE_SOFT_BLOCK_AEAD 1
 #endif
 
+#if defined(PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128)
+#if !defined(MBEDTLS_PSA_ACCEL_ALG_PBKDF2_AES_CMAC_PRF_128)
+#define MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_AES_CMAC_PRF_128 1
+#define PSA_HAVE_SOFT_PBKDF2_CMAC
+#endif /* !MBEDTLS_PSA_ACCEL_ALG_PBKDF2_AES_CMAC_PRF_128 */
+#endif /* PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128 */
+
 #if defined(PSA_WANT_KEY_TYPE_AES)
 #if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_AES)
 #define PSA_HAVE_SOFT_KEY_TYPE_AES 1
 #endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_AES */
 #if defined(PSA_HAVE_SOFT_KEY_TYPE_AES) || \
     defined(PSA_HAVE_SOFT_BLOCK_MODE) || \
-    defined(PSA_HAVE_SOFT_BLOCK_AEAD)
+    defined(PSA_HAVE_SOFT_BLOCK_AEAD) || \
+    defined(PSA_HAVE_SOFT_PBKDF2_CMAC)
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_AES 1
 #define MBEDTLS_AES_C
 #endif /* PSA_HAVE_SOFT_KEY_TYPE_AES || PSA_HAVE_SOFT_BLOCK_MODE */
@@ -515,12 +524,18 @@
 
 #if defined(PSA_WANT_ALG_CMAC)
 #if !defined(MBEDTLS_PSA_ACCEL_ALG_CMAC) || \
-    defined(PSA_HAVE_SOFT_BLOCK_CIPHER)
+    defined(PSA_HAVE_SOFT_BLOCK_CIPHER) || \
+    defined(PSA_HAVE_SOFT_PBKDF2_CMAC)
 #define MBEDTLS_PSA_BUILTIN_ALG_CMAC 1
 #define MBEDTLS_CMAC_C
 #endif /* !MBEDTLS_PSA_ACCEL_ALG_CMAC */
 #endif /* PSA_WANT_ALG_CMAC */
 
+#if defined(PSA_HAVE_SOFT_PBKDF2_HMAC) || \
+    defined(PSA_HAVE_SOFT_PBKDF2_CMAC)
+#define PSA_HAVE_SOFT_PBKDF2 1
+#endif /* PSA_HAVE_SOFT_PBKDF2_HMAC || PSA_HAVE_SOFT_PBKDF2_CMAC */
+
 #if defined(PSA_WANT_ALG_CTR)
 #if !defined(MBEDTLS_PSA_ACCEL_ALG_CTR) || \
     defined(PSA_HAVE_SOFT_BLOCK_CIPHER)
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index 6a76e88..6ebda97 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -4016,4 +4016,18 @@
  */
 //#define MBEDTLS_ECP_WITH_MPI_UINT
 
+/*
+ * Disable plain C implementation for AES.
+ *
+ * When the plain C implementation is enabled, and an implementation using a
+ * special CPU feature (such as MBEDTLS_AESCE_C) is also enabled, runtime
+ * detection will be used to select between them.
+ *
+ * If only one implementation is present, runtime detection will not be used.
+ * This configuration will crash at runtime if running on a CPU without the
+ * necessary features. It will not build unless at least one of MBEDTLS_AESCE_C
+ * and/or MBEDTLS_AESNI_C is enabled & present in the build.
+ */
+//#define MBEDTLS_AES_USE_HARDWARE_ONLY
+
 /** \} name SECTION: Module configuration options */
diff --git a/include/mbedtls/x509.h b/include/mbedtls/x509.h
index e21356f..a9267c7 100644
--- a/include/mbedtls/x509.h
+++ b/include/mbedtls/x509.h
@@ -526,6 +526,9 @@
 int mbedtls_x509_info_key_usage(char **buf, size_t *size,
                                 unsigned int key_usage);
 
+int mbedtls_x509_write_set_san_common(mbedtls_asn1_named_data **extensions,
+                                      const mbedtls_x509_san_list *san_list);
+
 /**
  * \brief          This function parses a CN string as an IP address.
  *
diff --git a/include/psa/crypto_builtin_key_derivation.h b/include/psa/crypto_builtin_key_derivation.h
index cd6d51d..8a2143a 100644
--- a/include/psa/crypto_builtin_key_derivation.h
+++ b/include/psa/crypto_builtin_key_derivation.h
@@ -105,7 +105,7 @@
 } psa_tls12_prf_key_derivation_t;
 #endif /* MBEDTLS_PSA_BUILTIN_ALG_TLS12_PRF) ||
         * MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS */
-#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
+#if defined(PSA_HAVE_SOFT_PBKDF2)
 typedef enum {
     PSA_PBKDF2_STATE_INIT,             /* no input provided */
     PSA_PBKDF2_STATE_INPUT_COST_SET,   /* input cost has been set */
@@ -125,6 +125,6 @@
     uint8_t MBEDTLS_PRIVATE(bytes_used);
     uint32_t MBEDTLS_PRIVATE(block_number);
 } psa_pbkdf2_key_derivation_t;
-#endif /* MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC */
+#endif /* PSA_HAVE_SOFT_PBKDF2 */
 
 #endif /* PSA_CRYPTO_BUILTIN_KEY_DERIVATION_H */
diff --git a/include/psa/crypto_config.h b/include/psa/crypto_config.h
index 9da28de..af78dce 100644
--- a/include/psa/crypto_config.h
+++ b/include/psa/crypto_config.h
@@ -76,6 +76,7 @@
 #define PSA_WANT_ALG_MD5                        1
 #define PSA_WANT_ALG_OFB                        1
 #define PSA_WANT_ALG_PBKDF2_HMAC                1
+#define PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128    1
 #define PSA_WANT_ALG_RIPEMD160                  1
 #define PSA_WANT_ALG_RSA_OAEP                   1
 #define PSA_WANT_ALG_RSA_PKCS1V15_CRYPT         1
diff --git a/include/psa/crypto_driver_contexts_key_derivation.h b/include/psa/crypto_driver_contexts_key_derivation.h
index 5b4e474..3fb29ff 100644
--- a/include/psa/crypto_driver_contexts_key_derivation.h
+++ b/include/psa/crypto_driver_contexts_key_derivation.h
@@ -55,7 +55,7 @@
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_ECJPAKE_TO_PMS)
     psa_tls12_ecjpake_to_pms_t MBEDTLS_PRIVATE(tls12_ecjpake_to_pms);
 #endif
-#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
+#if defined(PSA_HAVE_SOFT_PBKDF2)
     psa_pbkdf2_key_derivation_t MBEDTLS_PRIVATE(pbkdf2);
 #endif
 } psa_driver_key_derivation_context_t;
diff --git a/include/psa/crypto_values.h b/include/psa/crypto_values.h
index 580e3ae..241b7c8 100644
--- a/include/psa/crypto_values.h
+++ b/include/psa/crypto_values.h
@@ -2115,6 +2115,10 @@
  */
 #define PSA_ALG_PBKDF2_AES_CMAC_PRF_128         ((psa_algorithm_t) 0x08800200)
 
+#define PSA_ALG_IS_PBKDF2(kdf_alg)                                      \
+    (PSA_ALG_IS_PBKDF2_HMAC(kdf_alg) || \
+     ((kdf_alg) == PSA_ALG_PBKDF2_AES_CMAC_PRF_128))
+
 #define PSA_ALG_KEY_DERIVATION_MASK             ((psa_algorithm_t) 0xfe00ffff)
 #define PSA_ALG_KEY_AGREEMENT_MASK              ((psa_algorithm_t) 0xffff0000)
 
diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index 03e48df..351edd0 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -99,6 +99,7 @@
     x509_crl.c
     x509_crt.c
     x509_csr.c
+    x509write.c
     x509write_crt.c
     x509write_csr.c
 )
diff --git a/library/Makefile b/library/Makefile
index 194a847..c383c32 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -167,6 +167,7 @@
 	   x509_crl.o \
 	   x509_crt.o \
 	   x509_csr.o \
+   	   x509write.o \
 	   x509write_crt.o \
 	   x509write_csr.o \
 	   pkcs7.o \
diff --git a/library/aes.c b/library/aes.c
index 592ca64..47a5e3e 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -33,6 +33,36 @@
 #include "mbedtls/platform.h"
 #include "mbedtls/platform_util.h"
 #include "mbedtls/error.h"
+
+#if defined(__aarch64__)
+#if !defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
+#error "MBEDTLS_AES_USE_HARDWARE_ONLY defined, but not all prerequisites"
+#endif
+#endif
+
+#if defined(__amd64__) || defined(__x86_64__) || \
+    ((defined(_M_X64) || defined(_M_AMD64)) && !defined(_M_ARM64EC))
+#if !defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
+#error "MBEDTLS_AES_USE_HARDWARE_ONLY defined, but not all prerequisites"
+#endif
+#endif
+
+#if defined(__i386__) || defined(_M_IX86)
+#if defined(MBEDTLS_AES_USE_HARDWARE_ONLY) && !defined(MBEDTLS_AESNI_C)
+#error "MBEDTLS_AES_USE_HARDWARE_ONLY defined, but not all prerequisites"
+#endif
+
+#if defined(MBEDTLS_PADLOCK_C)
+#if !defined(MBEDTLS_HAVE_ASM)
+#error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
+#endif
+#if defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
+#error "MBEDTLS_AES_USE_HARDWARE_ONLY cannot be defined when " \
+    "MBEDTLS_PADLOCK_C is set"
+#endif
+#endif
+#endif
+
 #if defined(MBEDTLS_PADLOCK_C)
 #include "padlock.h"
 #endif
@@ -47,7 +77,7 @@
 
 #if !defined(MBEDTLS_AES_ALT)
 
-#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
+#if defined(MBEDTLS_VIA_PADLOCK_HAVE_CODE)
 static int aes_padlock_ace = -1;
 #endif
 
@@ -542,7 +572,7 @@
  * Note that the offset is in units of elements of buf, i.e. 32-bit words,
  * i.e. an offset of 1 means 4 bytes and so on.
  */
-#if (defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)) ||        \
+#if (defined(MBEDTLS_VIA_PADLOCK_HAVE_CODE)) ||        \
     (defined(MBEDTLS_AESNI_C) && MBEDTLS_AESNI_HAVE_CODE == 2)
 #define MAY_NEED_TO_ALIGN
 #endif
@@ -554,7 +584,7 @@
 #if defined(MAY_NEED_TO_ALIGN)
     int align_16_bytes = 0;
 
-#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
+#if defined(MBEDTLS_VIA_PADLOCK_HAVE_CODE)
     if (aes_padlock_ace == -1) {
         aes_padlock_ace = mbedtls_padlock_has_support(MBEDTLS_PADLOCK_ACE);
     }
@@ -595,7 +625,6 @@
 int mbedtls_aes_setkey_enc(mbedtls_aes_context *ctx, const unsigned char *key,
                            unsigned int keybits)
 {
-    unsigned int i;
     uint32_t *RK;
 
     switch (keybits) {
@@ -624,19 +653,20 @@
 #endif
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-    if (mbedtls_aesce_has_support()) {
+    if (MBEDTLS_AESCE_HAS_SUPPORT()) {
         return mbedtls_aesce_setkey_enc((unsigned char *) RK, key, keybits);
     }
 #endif
 
-    for (i = 0; i < (keybits >> 5); i++) {
+#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
+    for (unsigned int i = 0; i < (keybits >> 5); i++) {
         RK[i] = MBEDTLS_GET_UINT32_LE(key, i << 2);
     }
 
     switch (ctx->nr) {
         case 10:
 
-            for (i = 0; i < 10; i++, RK += 4) {
+            for (unsigned int i = 0; i < 10; i++, RK += 4) {
                 RK[4]  = RK[0] ^ RCON[i] ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_1(RK[3])]) ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_2(RK[3])] <<  8) ^
@@ -652,7 +682,7 @@
 #if !defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH)
         case 12:
 
-            for (i = 0; i < 8; i++, RK += 6) {
+            for (unsigned int i = 0; i < 8; i++, RK += 6) {
                 RK[6]  = RK[0] ^ RCON[i] ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_1(RK[5])]) ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_2(RK[5])] <<  8) ^
@@ -669,7 +699,7 @@
 
         case 14:
 
-            for (i = 0; i < 7; i++, RK += 8) {
+            for (unsigned int i = 0; i < 7; i++, RK += 8) {
                 RK[8]  = RK[0] ^ RCON[i] ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_1(RK[7])]) ^
                          ((uint32_t) FSb[MBEDTLS_BYTE_2(RK[7])] <<  8) ^
@@ -695,6 +725,7 @@
     }
 
     return 0;
+#endif /* !MBEDTLS_AES_USE_HARDWARE_ONLY */
 }
 #endif /* !MBEDTLS_AES_SETKEY_ENC_ALT */
 
@@ -705,10 +736,13 @@
 int mbedtls_aes_setkey_dec(mbedtls_aes_context *ctx, const unsigned char *key,
                            unsigned int keybits)
 {
-    int i, j, ret;
+#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
+    uint32_t *SK;
+#endif
+    int ret;
     mbedtls_aes_context cty;
     uint32_t *RK;
-    uint32_t *SK;
+
 
     mbedtls_aes_init(&cty);
 
@@ -731,7 +765,7 @@
 #endif
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-    if (mbedtls_aesce_has_support()) {
+    if (MBEDTLS_AESCE_HAS_SUPPORT()) {
         mbedtls_aesce_inverse_key(
             (unsigned char *) RK,
             (const unsigned char *) (cty.buf + cty.rk_offset),
@@ -740,15 +774,16 @@
     }
 #endif
 
+#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
     SK = cty.buf + cty.rk_offset + cty.nr * 4;
 
     *RK++ = *SK++;
     *RK++ = *SK++;
     *RK++ = *SK++;
     *RK++ = *SK++;
-
-    for (i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8) {
-        for (j = 0; j < 4; j++, SK++) {
+    SK -= 8;
+    for (int i = ctx->nr - 1; i > 0; i--, SK -= 8) {
+        for (int j = 0; j < 4; j++, SK++) {
             *RK++ = AES_RT0(FSb[MBEDTLS_BYTE_0(*SK)]) ^
                     AES_RT1(FSb[MBEDTLS_BYTE_1(*SK)]) ^
                     AES_RT2(FSb[MBEDTLS_BYTE_2(*SK)]) ^
@@ -760,7 +795,7 @@
     *RK++ = *SK++;
     *RK++ = *SK++;
     *RK++ = *SK++;
-
+#endif /* !MBEDTLS_AES_USE_HARDWARE_ONLY */
 exit:
     mbedtls_aes_free(&cty);
 
@@ -1057,22 +1092,25 @@
 #endif
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-    if (mbedtls_aesce_has_support()) {
+    if (MBEDTLS_AESCE_HAS_SUPPORT()) {
         return mbedtls_aesce_crypt_ecb(ctx, mode, input, output);
     }
 #endif
 
-#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
+#if defined(MBEDTLS_VIA_PADLOCK_HAVE_CODE)
     if (aes_padlock_ace > 0) {
         return mbedtls_padlock_xcryptecb(ctx, mode, input, output);
     }
 #endif
 
+#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
     if (mode == MBEDTLS_AES_ENCRYPT) {
         return mbedtls_internal_aes_encrypt(ctx, input, output);
     } else {
         return mbedtls_internal_aes_decrypt(ctx, input, output);
     }
+#endif
+
 }
 
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
@@ -1094,11 +1132,16 @@
         return MBEDTLS_ERR_AES_BAD_INPUT_DATA;
     }
 
+    /* Nothing to do if length is zero. */
+    if (length == 0) {
+        return 0;
+    }
+
     if (length % 16) {
         return MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH;
     }
 
-#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
+#if defined(MBEDTLS_VIA_PADLOCK_HAVE_CODE)
     if (aes_padlock_ace > 0) {
         if (mbedtls_padlock_xcryptcbc(ctx, mode, length, iv, input, output) == 0) {
             return 0;
@@ -1850,29 +1893,33 @@
 #if defined(MBEDTLS_AES_ALT)
         mbedtls_printf("  AES note: alternative implementation.\n");
 #else /* MBEDTLS_AES_ALT */
-#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
-        if (mbedtls_padlock_has_support(MBEDTLS_PADLOCK_ACE)) {
-            mbedtls_printf("  AES note: using VIA Padlock.\n");
-        } else
-#endif
 #if defined(MBEDTLS_AESNI_HAVE_CODE)
 #if MBEDTLS_AESNI_HAVE_CODE == 1
         mbedtls_printf("  AES note: AESNI code present (assembly implementation).\n");
 #elif MBEDTLS_AESNI_HAVE_CODE == 2
         mbedtls_printf("  AES note: AESNI code present (intrinsics implementation).\n");
 #else
-#error Unrecognised value for MBEDTLS_AESNI_HAVE_CODE
+#error "Unrecognised value for MBEDTLS_AESNI_HAVE_CODE"
 #endif
         if (mbedtls_aesni_has_support(MBEDTLS_AESNI_AES)) {
             mbedtls_printf("  AES note: using AESNI.\n");
         } else
 #endif
+#if defined(MBEDTLS_VIA_PADLOCK_HAVE_CODE)
+        if (mbedtls_padlock_has_support(MBEDTLS_PADLOCK_ACE)) {
+            mbedtls_printf("  AES note: using VIA Padlock.\n");
+        } else
+#endif
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-        if (mbedtls_aesce_has_support()) {
+        if (MBEDTLS_AESCE_HAS_SUPPORT()) {
             mbedtls_printf("  AES note: using AESCE.\n");
         } else
 #endif
-        mbedtls_printf("  AES note: built-in implementation.\n");
+        {
+#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
+            mbedtls_printf("  AES note: built-in implementation.\n");
+#endif
+        }
 #endif /* MBEDTLS_AES_ALT */
     }
 
diff --git a/library/aesce.c b/library/aesce.c
index ed3cca1..6f75a67 100644
--- a/library/aesce.c
+++ b/library/aesce.c
@@ -94,25 +94,39 @@
 #endif /* !(__ARM_FEATURE_CRYPTO || __ARM_FEATURE_AES) ||
           MBEDTLS_ENABLE_ARM_CRYPTO_EXTENSIONS_COMPILER_FLAG */
 
-#if defined(__linux__)
+#if defined(__linux__) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
+
 #include <asm/hwcap.h>
 #include <sys/auxv.h>
-#endif
 
+signed char mbedtls_aesce_has_support_result = -1;
+
+#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
 /*
  * AES instruction support detection routine
  */
-int mbedtls_aesce_has_support(void)
+int mbedtls_aesce_has_support_impl(void)
 {
-#if defined(__linux__)
-    unsigned long auxval = getauxval(AT_HWCAP);
-    return (auxval & (HWCAP_ASIMD | HWCAP_AES)) ==
-           (HWCAP_ASIMD | HWCAP_AES);
-#else
-    /* Assume AES instructions are supported. */
-    return 1;
-#endif
+    /* To avoid many calls to getauxval, cache the result. This is
+     * thread-safe, because we store the result in a char so cannot
+     * be vulnerable to non-atomic updates.
+     * It is possible that we could end up setting result more than
+     * once, but that is harmless.
+     */
+    if (mbedtls_aesce_has_support_result == -1) {
+        unsigned long auxval = getauxval(AT_HWCAP);
+        if ((auxval & (HWCAP_ASIMD | HWCAP_AES)) ==
+            (HWCAP_ASIMD | HWCAP_AES)) {
+            mbedtls_aesce_has_support_result = 1;
+        } else {
+            mbedtls_aesce_has_support_result = 0;
+        }
+    }
+    return mbedtls_aesce_has_support_result;
 }
+#endif
+
+#endif /* defined(__linux__) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY) */
 
 /* Single round of AESCE encryption */
 #define AESCE_ENCRYPT_ROUND                   \
diff --git a/library/aesce.h b/library/aesce.h
index b12bf76..735c8cf 100644
--- a/library/aesce.h
+++ b/library/aesce.h
@@ -42,12 +42,29 @@
 extern "C" {
 #endif
 
+#if defined(__linux__) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
+
+extern signed char mbedtls_aesce_has_support_result;
+
 /**
  * \brief          Internal function to detect the crypto extension in CPUs.
  *
  * \return         1 if CPU has support for the feature, 0 otherwise
  */
-int mbedtls_aesce_has_support(void);
+int mbedtls_aesce_has_support_impl(void);
+
+#define MBEDTLS_AESCE_HAS_SUPPORT() (mbedtls_aesce_has_support_result == -1 ? \
+                                     mbedtls_aesce_has_support_impl() : \
+                                     mbedtls_aesce_has_support_result)
+
+#else /* defined(__linux__) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY) */
+
+/* If we are not on Linux, we can't detect support so assume that it's supported.
+ * Similarly, assume support if MBEDTLS_AES_USE_HARDWARE_ONLY is set.
+ */
+#define MBEDTLS_AESCE_HAS_SUPPORT() 1
+
+#endif /* defined(__linux__) && !defined(MBEDTLS_AES_USE_HARDWARE_ONLY) */
 
 /**
  * \brief          Internal AES-ECB block encryption and decryption
diff --git a/library/aesni.c b/library/aesni.c
index 3e3dccb..5f25a82 100644
--- a/library/aesni.c
+++ b/library/aesni.c
@@ -41,6 +41,7 @@
 #include <immintrin.h>
 #endif
 
+#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
 /*
  * AES-NI support detection routine
  */
@@ -70,6 +71,7 @@
 
     return (c & what) != 0;
 }
+#endif /* !MBEDTLS_AES_USE_HARDWARE_ONLY */
 
 #if MBEDTLS_AESNI_HAVE_CODE == 2
 
diff --git a/library/aesni.h b/library/aesni.h
index 82947e4..332a0f0 100644
--- a/library/aesni.h
+++ b/library/aesni.h
@@ -35,13 +35,20 @@
 /* Can we do AESNI with inline assembly?
  * (Only implemented with gas syntax, only for 64-bit.)
  */
-#if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && \
-    (defined(__amd64__) || defined(__x86_64__))   &&  \
-    !defined(MBEDTLS_HAVE_X86_64)
+#if !defined(MBEDTLS_HAVE_X86_64) && \
+    (defined(__amd64__) || defined(__x86_64__) || \
+    defined(_M_X64) || defined(_M_AMD64)) && \
+    !defined(_M_ARM64EC)
 #define MBEDTLS_HAVE_X86_64
 #endif
 
-#if defined(MBEDTLS_AESNI_C)
+#if !defined(MBEDTLS_HAVE_X86) && \
+    (defined(__i386__) || defined(_M_IX86))
+#define MBEDTLS_HAVE_X86
+#endif
+
+#if defined(MBEDTLS_AESNI_C) && \
+    (defined(MBEDTLS_HAVE_X86_64) || defined(MBEDTLS_HAVE_X86))
 
 /* Can we do AESNI with intrinsics?
  * (Only implemented with certain compilers, only for certain targets.)
@@ -67,8 +74,13 @@
  * In the long run, we will likely remove the assembly implementation. */
 #if defined(MBEDTLS_AESNI_HAVE_INTRINSICS)
 #define MBEDTLS_AESNI_HAVE_CODE 2 // via intrinsics
-#elif defined(MBEDTLS_HAVE_X86_64)
+#elif defined(MBEDTLS_HAVE_ASM) && \
+    defined(__GNUC__) && defined(MBEDTLS_HAVE_X86_64)
 #define MBEDTLS_AESNI_HAVE_CODE 1 // via assembly
+#elif defined(__GNUC__)
+#   error "Must use `-mpclmul -msse2 -maes` for MBEDTLS_AESNI_C"
+#else
+#error "MBEDTLS_AESNI_C defined, but neither intrinsics nor assembly available"
 #endif
 
 #if defined(MBEDTLS_AESNI_HAVE_CODE)
@@ -88,7 +100,11 @@
  *
  * \return         1 if CPU has support for the feature, 0 otherwise
  */
+#if !defined(MBEDTLS_AES_USE_HARDWARE_ONLY)
 int mbedtls_aesni_has_support(unsigned int what);
+#else
+#define mbedtls_aesni_has_support(what) 1
+#endif
 
 /**
  * \brief          Internal AES-NI AES-ECB block encryption and decryption
diff --git a/library/bignum.c b/library/bignum.c
index b1518ed..f6bdf7e 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -2033,7 +2033,7 @@
     /*
      * Load the result in the output variable.
      */
-    mbedtls_mpi_copy(X, &W[x_index]);
+    MBEDTLS_MPI_CHK(mbedtls_mpi_copy(X, &W[x_index]));
 
 cleanup:
 
diff --git a/library/bignum_mod.c b/library/bignum_mod.c
index 4d67829..2f0e9ed 100644
--- a/library/bignum_mod.c
+++ b/library/bignum_mod.c
@@ -19,7 +19,7 @@
 
 #include "common.h"
 
-#if defined(MBEDTLS_BIGNUM_C)
+#if defined(MBEDTLS_BIGNUM_C) && defined(MBEDTLS_ECP_WITH_MPI_UINT)
 
 #include <string.h>
 
@@ -403,4 +403,4 @@
     return ret;
 }
 
-#endif /* MBEDTLS_BIGNUM_C */
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ECP_WITH_MPI_UINT */
diff --git a/library/bignum_mod_raw.c b/library/bignum_mod_raw.c
index 75cf8c4..5ee1b19 100644
--- a/library/bignum_mod_raw.c
+++ b/library/bignum_mod_raw.c
@@ -19,7 +19,7 @@
 
 #include "common.h"
 
-#if defined(MBEDTLS_BIGNUM_C)
+#if defined(MBEDTLS_BIGNUM_C) && defined(MBEDTLS_ECP_WITH_MPI_UINT)
 
 #include <string.h>
 
@@ -285,4 +285,4 @@
     (void) mbedtls_mpi_core_add_if(X, N->p, N->limbs, (unsigned) borrow);
 }
 
-#endif /* MBEDTLS_BIGNUM_C */
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ECP_WITH_MPI_UINT */
diff --git a/library/cipher_wrap.c b/library/cipher_wrap.c
index da4e739..6ab2f5f 100644
--- a/library/cipher_wrap.c
+++ b/library/cipher_wrap.c
@@ -120,8 +120,10 @@
     MBEDTLS_CIPHER_BASE_INDEX_NULL_BASE,
 #endif
 #if defined(MBEDTLS_CIPHER_MODE_XTS) && defined(MBEDTLS_AES_C)
-    MBEDTLS_CIPHER_BASE_INDEX_XTS_AES
+    MBEDTLS_CIPHER_BASE_INDEX_XTS_AES,
 #endif
+    /* Prevent compile failure due to empty enum */
+    MBEDTLS_CIPHER_BASE_PREVENT_EMPTY_ENUM
 };
 
 #if defined(MBEDTLS_GCM_C)
diff --git a/library/common.h b/library/common.h
index 97dc1d3..3c472c6 100644
--- a/library/common.h
+++ b/library/common.h
@@ -288,7 +288,7 @@
 /* Normal case (64-bit pointers): use "r" as the constraint for pointer operands to asm */
 #define MBEDTLS_ASM_AARCH64_PTR_CONSTRAINT "r"
 #else
-#error Unrecognised pointer size for aarch64
+#error "Unrecognised pointer size for aarch64"
 #endif
 #endif
 
diff --git a/library/constant_time.c b/library/constant_time.c
index 86cc066..12aed13 100644
--- a/library/constant_time.c
+++ b/library/constant_time.c
@@ -30,8 +30,6 @@
 #include "mbedtls/error.h"
 #include "mbedtls/platform_util.h"
 
-#include "../tests/include/test/constant_flow.h"
-
 #include <string.h>
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SSL_SOME_SUITES_USE_MAC)
@@ -84,7 +82,7 @@
 #elif defined(MBEDTLS_CT_AARCH64_ASM)
     asm volatile ("ldr %w0, [%1]" : "=r" (r) : MBEDTLS_ASM_AARCH64_PTR_CONSTRAINT(p) :);
 #else
-#error No assembly defined for mbedtls_get_unaligned_volatile_uint32
+#error "No assembly defined for mbedtls_get_unaligned_volatile_uint32"
 #endif
     return r;
 }
diff --git a/library/ecdsa.c b/library/ecdsa.c
index 1faec16..6e55f22 100644
--- a/library/ecdsa.c
+++ b/library/ecdsa.c
@@ -373,7 +373,7 @@
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
     if (rs_ctx != NULL && rs_ctx->sig != NULL) {
-        mbedtls_mpi_copy(r, pr);
+        MBEDTLS_MPI_CHK(mbedtls_mpi_copy(r, pr));
     }
 #endif
 
@@ -447,7 +447,7 @@
     MBEDTLS_MPI_CHK(mbedtls_mpi_write_binary(d, data, grp_len));
     MBEDTLS_MPI_CHK(derive_mpi(grp, &h, buf, blen));
     MBEDTLS_MPI_CHK(mbedtls_mpi_write_binary(&h, data + grp_len, grp_len));
-    mbedtls_hmac_drbg_seed_buf(p_rng, md_info, data, 2 * grp_len);
+    MBEDTLS_MPI_CHK(mbedtls_hmac_drbg_seed_buf(p_rng, md_info, data, 2 * grp_len));
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
     if (rs_ctx != NULL && rs_ctx->det != NULL) {
diff --git a/library/entropy_poll.c b/library/entropy_poll.c
index f90167c..bc71307 100644
--- a/library/entropy_poll.c
+++ b/library/entropy_poll.c
@@ -75,7 +75,7 @@
     return 0;
 }
 #else /* !_WIN32_WINNT_WINXP */
-#error Entropy not available before Windows XP, use MBEDTLS_NO_PLATFORM_ENTROPY
+#error "Entropy not available before Windows XP, use MBEDTLS_NO_PLATFORM_ENTROPY"
 #endif /* !_WIN32_WINNT_WINXP */
 #else /* _WIN32 && !EFIX64 && !EFI32 */
 
diff --git a/library/gcm.c b/library/gcm.c
index a05e4c3..786290f 100644
--- a/library/gcm.c
+++ b/library/gcm.c
@@ -98,7 +98,7 @@
 #endif
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-    if (mbedtls_aesce_has_support()) {
+    if (MBEDTLS_AESCE_HAS_SUPPORT()) {
         return 0;
     }
 #endif
@@ -209,7 +209,7 @@
 #endif /* MBEDTLS_AESNI_HAVE_CODE */
 
 #if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
-    if (mbedtls_aesce_has_support()) {
+    if (MBEDTLS_AESCE_HAS_SUPPORT()) {
         unsigned char h[16];
 
         /* mbedtls_aesce_gcm_mult needs big-endian input */
@@ -884,6 +884,13 @@
             mbedtls_printf("  GCM note: using AESNI.\n");
         } else
 #endif
+
+#if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_HAVE_ARM64)
+        if (MBEDTLS_AESCE_HAS_SUPPORT()) {
+            mbedtls_printf("  GCM note: using AESCE.\n");
+        } else
+#endif
+
         mbedtls_printf("  GCM note: built-in implementation.\n");
 #endif /* MBEDTLS_GCM_ALT */
     }
diff --git a/library/padlock.h b/library/padlock.h
index b5f0d7d..ae5c486 100644
--- a/library/padlock.h
+++ b/library/padlock.h
@@ -42,6 +42,8 @@
 #if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && defined(__i386__) && \
     !defined(MBEDTLS_HAVE_ASAN)
 
+#define MBEDTLS_VIA_PADLOCK_HAVE_CODE
+
 #ifndef MBEDTLS_HAVE_X86
 #define MBEDTLS_HAVE_X86
 #endif
diff --git a/library/pk_wrap.c b/library/pk_wrap.c
index 4ee761e..e67138b 100644
--- a/library/pk_wrap.c
+++ b/library/pk_wrap.c
@@ -302,11 +302,16 @@
     psa_status_t status;
     mbedtls_pk_context key;
     int key_len;
-    unsigned char buf[MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES];
+    unsigned char *buf = NULL;
+    buf = mbedtls_calloc(1, MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES);
+    if (buf == NULL) {
+        return MBEDTLS_ERR_PK_ALLOC_FAILED;
+    }
     mbedtls_pk_info_t pk_info = mbedtls_rsa_info;
 
     *sig_len = mbedtls_rsa_get_len(rsa_ctx);
     if (sig_size < *sig_len) {
+        mbedtls_free(buf);
         return MBEDTLS_ERR_PK_BUFFER_TOO_SMALL;
     }
 
@@ -314,8 +319,9 @@
      * re-construct one to make it happy */
     key.pk_info = &pk_info;
     key.pk_ctx = rsa_ctx;
-    key_len = mbedtls_pk_write_key_der(&key, buf, sizeof(buf));
+    key_len = mbedtls_pk_write_key_der(&key, buf, MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES);
     if (key_len <= 0) {
+        mbedtls_free(buf);
         return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
     }
     psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
@@ -323,7 +329,7 @@
     psa_set_key_type(&attributes, PSA_KEY_TYPE_RSA_KEY_PAIR);
 
     status = psa_import_key(&attributes,
-                            buf + sizeof(buf) - key_len, key_len,
+                            buf + MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES - key_len, key_len,
                             &key_id);
     if (status != PSA_SUCCESS) {
         ret = PSA_PK_TO_MBEDTLS_ERR(status);
@@ -339,6 +345,7 @@
     ret = 0;
 
 cleanup:
+    mbedtls_free(buf);
     status = psa_destroy_key(key_id);
     if (ret == 0 && status != PSA_SUCCESS) {
         ret = PSA_PK_TO_MBEDTLS_ERR(status);
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 2b9eca8..84da7ad 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -5093,7 +5093,7 @@
     defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_PRF) || \
     defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS) || \
     defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_ECJPAKE_TO_PMS) || \
-    defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
+    defined(PSA_HAVE_SOFT_PBKDF2)
 #define AT_LEAST_ONE_BUILTIN_KDF
 #endif /* At least one builtin KDF */
 
@@ -5193,8 +5193,8 @@
                                  sizeof(operation->ctx.tls12_ecjpake_to_pms.data));
     } else
 #endif /* defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_ECJPAKE_TO_PMS) */
-#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
-    if (PSA_ALG_IS_PBKDF2_HMAC(kdf_alg)) {
+#if defined(PSA_HAVE_SOFT_PBKDF2)
+    if (PSA_ALG_IS_PBKDF2(kdf_alg)) {
         if (operation->ctx.pbkdf2.salt != NULL) {
             mbedtls_zeroize_and_free(operation->ctx.pbkdf2.salt,
                                      operation->ctx.pbkdf2.salt_length);
@@ -5202,7 +5202,7 @@
 
         status = PSA_SUCCESS;
     } else
-#endif /* defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC) */
+#endif /* defined(PSA_HAVE_SOFT_PBKDF2) */
     {
         status = PSA_ERROR_BAD_STATE;
     }
@@ -5529,7 +5529,7 @@
 }
 #endif
 
-#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
+#if defined(PSA_HAVE_SOFT_PBKDF2)
 static psa_status_t psa_key_derivation_pbkdf2_generate_block(
     psa_pbkdf2_key_derivation_t *pbkdf2,
     psa_algorithm_t prf_alg,
@@ -5578,11 +5578,14 @@
     memcpy(U_accumulator, U_i, prf_output_length);
 
     for (i = 1; i < pbkdf2->input_cost; i++) {
+        /* We are passing prf_output_length as mac_size because the driver
+         * function directly sets mac_output_length as mac_size upon success.
+         * See https://github.com/Mbed-TLS/mbedtls/issues/7801 */
         status = psa_driver_wrapper_mac_compute(attributes,
                                                 pbkdf2->password,
                                                 pbkdf2->password_length,
                                                 prf_alg, U_i, prf_output_length,
-                                                U_i, sizeof(U_i),
+                                                U_i, prf_output_length,
                                                 &mac_output_length);
         if (status != PSA_SUCCESS) {
             goto cleanup;
@@ -5614,6 +5617,10 @@
         prf_alg = PSA_ALG_HMAC(PSA_ALG_PBKDF2_HMAC_GET_HASH(kdf_alg));
         prf_output_length = PSA_HASH_LENGTH(prf_alg);
         psa_set_key_type(&attributes, PSA_KEY_TYPE_HMAC);
+    } else if (kdf_alg == PSA_ALG_PBKDF2_AES_CMAC_PRF_128) {
+        prf_alg = PSA_ALG_CMAC;
+        prf_output_length = PSA_MAC_LENGTH(PSA_KEY_TYPE_AES, 128U, PSA_ALG_CMAC);
+        psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
     } else {
         return PSA_ERROR_INVALID_ARGUMENT;
     }
@@ -5658,7 +5665,7 @@
 
     return PSA_SUCCESS;
 }
-#endif /* MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC */
+#endif /* PSA_HAVE_SOFT_PBKDF2 */
 
 psa_status_t psa_key_derivation_output_bytes(
     psa_key_derivation_operation_t *operation,
@@ -5713,12 +5720,12 @@
             &operation->ctx.tls12_ecjpake_to_pms, output, output_length);
     } else
 #endif /* MBEDTLS_PSA_BUILTIN_ALG_TLS12_ECJPAKE_TO_PMS */
-#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
-    if (PSA_ALG_IS_PBKDF2_HMAC(kdf_alg)) {
+#if defined(PSA_HAVE_SOFT_PBKDF2)
+    if (PSA_ALG_IS_PBKDF2(kdf_alg)) {
         status = psa_key_derivation_pbkdf2_read(&operation->ctx.pbkdf2, kdf_alg,
                                                 output, output_length);
     } else
-#endif /* MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC */
+#endif /* PSA_HAVE_SOFT_PBKDF2 */
 
     {
         (void) kdf_alg;
@@ -6145,6 +6152,11 @@
         return 1;
     }
 #endif
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_AES_CMAC_PRF_128)
+    if (kdf_alg == PSA_ALG_PBKDF2_AES_CMAC_PRF_128) {
+        return 1;
+    }
+#endif
     return 0;
 }
 
@@ -6170,10 +6182,14 @@
     }
 
     /* All currently supported key derivation algorithms (apart from
-     * ecjpake to pms) are based on a hash algorithm. */
+     * ecjpake to pms and pbkdf2_aes_cmac_128) are based on a hash algorithm. */
     psa_algorithm_t hash_alg = PSA_ALG_HKDF_GET_HASH(kdf_alg);
     size_t hash_size = PSA_HASH_LENGTH(hash_alg);
-    if (kdf_alg != PSA_ALG_TLS12_ECJPAKE_TO_PMS) {
+    if (kdf_alg == PSA_ALG_TLS12_ECJPAKE_TO_PMS) {
+        hash_size = PSA_HASH_LENGTH(PSA_ALG_SHA_256);
+    } else if (kdf_alg == PSA_ALG_PBKDF2_AES_CMAC_PRF_128) {
+        hash_size = PSA_MAC_LENGTH(PSA_KEY_TYPE_AES, 128U, PSA_ALG_CMAC);
+    } else {
         if (hash_size == 0) {
             return PSA_ERROR_NOT_SUPPORTED;
         }
@@ -6185,8 +6201,6 @@
         if (status != PSA_SUCCESS) {
             return status;
         }
-    } else {
-        hash_size = PSA_HASH_LENGTH(PSA_ALG_SHA_256);
     }
 
     if ((PSA_ALG_IS_TLS12_PRF(kdf_alg) ||
@@ -6638,7 +6652,7 @@
 }
 #endif /* MBEDTLS_PSA_BUILTIN_ALG_TLS12_ECJPAKE_TO_PMS */
 
-#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
+#if defined(PSA_HAVE_SOFT_PBKDF2)
 static psa_status_t psa_pbkdf2_set_input_cost(
     psa_pbkdf2_key_derivation_t *pbkdf2,
     psa_key_derivation_step_t step,
@@ -6703,6 +6717,7 @@
     return PSA_SUCCESS;
 }
 
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
 static psa_status_t psa_pbkdf2_hmac_set_password(psa_algorithm_t hash_alg,
                                                  const uint8_t *input,
                                                  size_t input_len,
@@ -6719,6 +6734,39 @@
     }
     return status;
 }
+#endif /* MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC */
+
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_AES_CMAC_PRF_128)
+static psa_status_t psa_pbkdf2_cmac_set_password(const uint8_t *input,
+                                                 size_t input_len,
+                                                 uint8_t *output,
+                                                 size_t *output_len)
+{
+    psa_status_t status = PSA_SUCCESS;
+    if (input_len != PSA_MAC_LENGTH(PSA_KEY_TYPE_AES, 128U, PSA_ALG_CMAC)) {
+        psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+        uint8_t zeros[16] = { 0 };
+        psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
+        psa_set_key_bits(&attributes, PSA_BYTES_TO_BITS(sizeof(zeros)));
+        psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_MESSAGE);
+        /* Passing PSA_MAC_LENGTH(PSA_KEY_TYPE_AES, 128U, PSA_ALG_CMAC) as
+         * mac_size as the driver function sets mac_output_length = mac_size
+         * on success. See https://github.com/Mbed-TLS/mbedtls/issues/7801 */
+        status = psa_driver_wrapper_mac_compute(&attributes,
+                                                zeros, sizeof(zeros),
+                                                PSA_ALG_CMAC, input, input_len,
+                                                output,
+                                                PSA_MAC_LENGTH(PSA_KEY_TYPE_AES,
+                                                               128U,
+                                                               PSA_ALG_CMAC),
+                                                output_len);
+    } else {
+        memcpy(output, input, input_len);
+        *output_len = PSA_MAC_LENGTH(PSA_KEY_TYPE_AES, 128U, PSA_ALG_CMAC);
+    }
+    return status;
+}
+#endif /* MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_AES_CMAC_PRF_128 */
 
 static psa_status_t psa_pbkdf2_set_password(psa_pbkdf2_key_derivation_t *pbkdf2,
                                             psa_algorithm_t kdf_alg,
@@ -6730,13 +6778,23 @@
         return PSA_ERROR_BAD_STATE;
     }
 
-    if (data_length != 0) {
-        if (PSA_ALG_IS_PBKDF2_HMAC(kdf_alg)) {
-            psa_algorithm_t hash_alg = PSA_ALG_PBKDF2_HMAC_GET_HASH(kdf_alg);
-            status = psa_pbkdf2_hmac_set_password(hash_alg, data, data_length,
-                                                  pbkdf2->password,
-                                                  &pbkdf2->password_length);
-        }
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
+    if (PSA_ALG_IS_PBKDF2_HMAC(kdf_alg)) {
+        psa_algorithm_t hash_alg = PSA_ALG_PBKDF2_HMAC_GET_HASH(kdf_alg);
+        status = psa_pbkdf2_hmac_set_password(hash_alg, data, data_length,
+                                              pbkdf2->password,
+                                              &pbkdf2->password_length);
+    } else
+#endif /* MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC */
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_AES_CMAC_PRF_128)
+    if (kdf_alg == PSA_ALG_PBKDF2_AES_CMAC_PRF_128) {
+        status = psa_pbkdf2_cmac_set_password(data, data_length,
+                                              pbkdf2->password,
+                                              &pbkdf2->password_length);
+    } else
+#endif /* MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_AES_CMAC_PRF_128 */
+    {
+        return PSA_ERROR_INVALID_ARGUMENT;
     }
 
     pbkdf2->state = PSA_PBKDF2_STATE_PASSWORD_SET;
@@ -6759,7 +6817,7 @@
             return PSA_ERROR_INVALID_ARGUMENT;
     }
 }
-#endif /* MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC */
+#endif /* PSA_HAVE_SOFT_PBKDF2 */
 
 /** Check whether the given key type is acceptable for the given
  * input step of a key derivation.
@@ -6856,12 +6914,12 @@
             &operation->ctx.tls12_ecjpake_to_pms, step, data, data_length);
     } else
 #endif /* MBEDTLS_PSA_BUILTIN_ALG_TLS12_ECJPAKE_TO_PMS */
-#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
-    if (PSA_ALG_IS_PBKDF2_HMAC(kdf_alg)) {
+#if defined(PSA_HAVE_SOFT_PBKDF2)
+    if (PSA_ALG_IS_PBKDF2(kdf_alg)) {
         status = psa_pbkdf2_input(&operation->ctx.pbkdf2, kdf_alg,
                                   step, data, data_length);
     } else
-#endif /* MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC */
+#endif /* PSA_HAVE_SOFT_PBKDF2 */
     {
         /* This can't happen unless the operation object was not initialized */
         (void) data;
@@ -6885,12 +6943,12 @@
     psa_status_t status;
     psa_algorithm_t kdf_alg = psa_key_derivation_get_kdf_alg(operation);
 
-#if defined(MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC)
-    if (PSA_ALG_IS_PBKDF2_HMAC(kdf_alg)) {
+#if defined(PSA_HAVE_SOFT_PBKDF2)
+    if (PSA_ALG_IS_PBKDF2(kdf_alg)) {
         status = psa_pbkdf2_set_input_cost(
             &operation->ctx.pbkdf2, step, value);
     } else
-#endif /* MBEDTLS_PSA_BUILTIN_ALG_PBKDF2_HMAC */
+#endif /* PSA_HAVE_SOFT_PBKDF2 */
     {
         (void) step;
         (void) value;
diff --git a/library/psa_crypto_storage.h b/library/psa_crypto_storage.h
index 04768f8..edd9b94 100644
--- a/library/psa_crypto_storage.h
+++ b/library/psa_crypto_storage.h
@@ -39,7 +39,7 @@
 /* Sanity check: a file size must fit in 32 bits. Allow a generous
  * 64kB of metadata. */
 #if PSA_CRYPTO_MAX_STORAGE_SIZE > 0xffff0000
-#error PSA_CRYPTO_MAX_STORAGE_SIZE > 0xffff0000
+#error "PSA_CRYPTO_MAX_STORAGE_SIZE > 0xffff0000"
 #endif
 
 /** The maximum permitted persistent slot number.
diff --git a/library/rsa_alt_helpers.c b/library/rsa_alt_helpers.c
index 3451469..5cc4636 100644
--- a/library/rsa_alt_helpers.c
+++ b/library/rsa_alt_helpers.c
@@ -126,7 +126,7 @@
     }
 
     for (; attempt < num_primes; ++attempt) {
-        mbedtls_mpi_lset(&K, primes[attempt]);
+        MBEDTLS_MPI_CHK(mbedtls_mpi_lset(&K, primes[attempt]));
 
         /* Check if gcd(K,N) = 1 */
         MBEDTLS_MPI_CHK(mbedtls_mpi_gcd(P, &K, N));
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index a063084..20cecdb 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -1521,6 +1521,7 @@
     return 0;
 }
 
+#if defined(PSA_WANT_ALG_FFDH)
 static psa_status_t  mbedtls_ssl_get_psa_ffdh_info_from_tls_id(
     uint16_t tls_id, size_t *bits, psa_key_type_t *key_type)
 {
@@ -1549,6 +1550,7 @@
             return PSA_ERROR_NOT_SUPPORTED;
     }
 }
+#endif /* PSA_WANT_ALG_FFDH */
 
 int mbedtls_ssl_tls13_generate_and_write_xxdh_key_exchange(
     mbedtls_ssl_context *ssl,
diff --git a/library/x509_crt.c b/library/x509_crt.c
index b40bad2..2cbced2 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -1599,7 +1599,7 @@
 cleanup:
     FindClose(hFind);
 #else /* !_WIN32_WINNT_XP */
-#error mbedtls_x509_crt_parse_path not available before Windows XP
+#error "mbedtls_x509_crt_parse_path not available before Windows XP"
 #endif /* !_WIN32_WINNT_XP */
 #else /* _WIN32 */
     int t_ret;
diff --git a/library/x509write.c b/library/x509write.c
new file mode 100644
index 0000000..cd3c739
--- /dev/null
+++ b/library/x509write.c
@@ -0,0 +1,186 @@
+/*
+ *  X.509 internal, common functions for writing
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+#include "common.h"
+#if defined(MBEDTLS_X509_CSR_WRITE_C) || defined(MBEDTLS_X509_CRT_WRITE_C)
+
+#include "mbedtls/x509_crt.h"
+#include "mbedtls/asn1write.h"
+#include "mbedtls/error.h"
+#include "mbedtls/oid.h"
+#include "mbedtls/platform.h"
+#include "mbedtls/platform_util.h"
+#include "mbedtls/md.h"
+
+#include <string.h>
+#include <stdint.h>
+
+#if defined(MBEDTLS_PEM_WRITE_C)
+#include "mbedtls/pem.h"
+#endif /* MBEDTLS_PEM_WRITE_C */
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#include "psa/crypto.h"
+#include "mbedtls/psa_util.h"
+#include "md_psa.h"
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+#define CHECK_OVERFLOW_ADD(a, b) \
+    do                         \
+    {                           \
+        if (a > SIZE_MAX - (b)) \
+        { \
+            return MBEDTLS_ERR_X509_BAD_INPUT_DATA; \
+        }                            \
+        a += b; \
+    } while (0)
+
+int mbedtls_x509_write_set_san_common(mbedtls_asn1_named_data **extensions,
+                                      const mbedtls_x509_san_list *san_list)
+{
+    int ret = 0;
+    const mbedtls_x509_san_list *cur;
+    unsigned char *buf;
+    unsigned char *p;
+    size_t len;
+    size_t buflen = 0;
+
+    /* Determine the maximum size of the SubjectAltName list */
+    for (cur = san_list; cur != NULL; cur = cur->next) {
+        /* Calculate size of the required buffer */
+        switch (cur->node.type) {
+            case MBEDTLS_X509_SAN_DNS_NAME:
+            case MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER:
+            case MBEDTLS_X509_SAN_IP_ADDRESS:
+            case MBEDTLS_X509_SAN_RFC822_NAME:
+                /* length of value for each name entry,
+                 * maximum 4 bytes for the length field,
+                 * 1 byte for the tag/type.
+                 */
+                CHECK_OVERFLOW_ADD(buflen, cur->node.san.unstructured_name.len);
+                CHECK_OVERFLOW_ADD(buflen, 4 + 1);
+                break;
+            case MBEDTLS_X509_SAN_DIRECTORY_NAME:
+            {
+                const mbedtls_asn1_named_data *chunk = &cur->node.san.directory_name;
+                while (chunk != NULL) {
+                    // Max 4 bytes for length, +1 for tag,
+                    // additional 4 max for length, +1 for tag.
+                    // See x509_write_name for more information.
+                    CHECK_OVERFLOW_ADD(buflen, 4 + 1 + 4 + 1);
+                    CHECK_OVERFLOW_ADD(buflen, chunk->oid.len);
+                    CHECK_OVERFLOW_ADD(buflen, chunk->val.len);
+                    chunk = chunk->next;
+                }
+                CHECK_OVERFLOW_ADD(buflen, 4 + 1);
+                break;
+            }
+            default:
+                /* Not supported - return. */
+                return MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE;
+        }
+    }
+
+    /* Add the extra length field and tag */
+    CHECK_OVERFLOW_ADD(buflen, 4 + 1);
+
+    /* Allocate buffer */
+    buf = mbedtls_calloc(1, buflen);
+    if (buf == NULL) {
+        return MBEDTLS_ERR_ASN1_ALLOC_FAILED;
+    }
+    p = buf + buflen;
+
+    /* Write ASN.1-based structure */
+    cur = san_list;
+    len = 0;
+    while (cur != NULL) {
+        size_t single_san_len = 0;
+        switch (cur->node.type) {
+            case MBEDTLS_X509_SAN_DNS_NAME:
+            case MBEDTLS_X509_SAN_RFC822_NAME:
+            case MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER:
+            case MBEDTLS_X509_SAN_IP_ADDRESS:
+            {
+                const unsigned char *unstructured_name =
+                    (const unsigned char *) cur->node.san.unstructured_name.p;
+                size_t unstructured_name_len = cur->node.san.unstructured_name.len;
+
+                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len,
+                                             mbedtls_asn1_write_raw_buffer(
+                                                 &p, buf,
+                                                 unstructured_name, unstructured_name_len));
+                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len, mbedtls_asn1_write_len(
+                                                 &p, buf, unstructured_name_len));
+                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len,
+                                             mbedtls_asn1_write_tag(
+                                                 &p, buf,
+                                                 MBEDTLS_ASN1_CONTEXT_SPECIFIC | cur->node.type));
+            }
+            break;
+            case MBEDTLS_X509_SAN_DIRECTORY_NAME:
+                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len,
+                                             mbedtls_x509_write_names(&p, buf,
+                                                                      (mbedtls_asn1_named_data *) &
+                                                                      cur->node
+                                                                      .san.directory_name));
+                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len,
+                                             mbedtls_asn1_write_len(&p, buf, single_san_len));
+                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len,
+                                             mbedtls_asn1_write_tag(&p, buf,
+                                                                    MBEDTLS_ASN1_CONTEXT_SPECIFIC |
+                                                                    MBEDTLS_ASN1_CONSTRUCTED |
+                                                                    MBEDTLS_X509_SAN_DIRECTORY_NAME));
+                break;
+            default:
+                /* Error out on an unsupported SAN */
+                ret = MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE;
+                goto cleanup;
+        }
+        cur = cur->next;
+        /* check for overflow */
+        if (len > SIZE_MAX - single_san_len) {
+            ret = MBEDTLS_ERR_X509_BAD_INPUT_DATA;
+            goto cleanup;
+        }
+        len += single_san_len;
+    }
+
+    MBEDTLS_ASN1_CHK_CLEANUP_ADD(len, mbedtls_asn1_write_len(&p, buf, len));
+    MBEDTLS_ASN1_CHK_CLEANUP_ADD(len,
+                                 mbedtls_asn1_write_tag(&p, buf,
+                                                        MBEDTLS_ASN1_CONSTRUCTED |
+                                                        MBEDTLS_ASN1_SEQUENCE));
+
+    ret = mbedtls_x509_set_extension(extensions,
+                                     MBEDTLS_OID_SUBJECT_ALT_NAME,
+                                     MBEDTLS_OID_SIZE(MBEDTLS_OID_SUBJECT_ALT_NAME),
+                                     0,
+                                     buf + buflen - len, len);
+
+    /* If we exceeded the allocated buffer it means that maximum size of the SubjectAltName list
+     * was incorrectly calculated and memory is corrupted. */
+    if (p < buf) {
+        ret = MBEDTLS_ERR_ASN1_LENGTH_MISMATCH;
+    }
+cleanup:
+    mbedtls_free(buf);
+    return ret;
+}
+
+#endif /* MBEDTLS_X509_CSR_WRITE_C || MBEDTLS_X509_CRT_WRITE_C */
diff --git a/library/x509write_crt.c b/library/x509write_crt.c
index 3586a3c..a8a3022 100644
--- a/library/x509write_crt.c
+++ b/library/x509write_crt.c
@@ -48,16 +48,6 @@
 #include "md_psa.h"
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-#define CHECK_OVERFLOW_ADD(a, b) \
-    do                         \
-    {                           \
-        if (a > SIZE_MAX - (b)) \
-        { \
-            return MBEDTLS_ERR_X509_BAD_INPUT_DATA; \
-        }                            \
-        a += b; \
-    } while (0)
-
 void mbedtls_x509write_crt_init(mbedtls_x509write_cert *ctx)
 {
     memset(ctx, 0, sizeof(mbedtls_x509write_cert));
@@ -166,131 +156,7 @@
 int mbedtls_x509write_crt_set_subject_alternative_name(mbedtls_x509write_cert *ctx,
                                                        const mbedtls_x509_san_list *san_list)
 {
-    int ret = 0;
-    const mbedtls_x509_san_list *cur;
-    unsigned char *buf;
-    unsigned char *p;
-    size_t len;
-    size_t buflen = 0;
-
-    /* Determine the maximum size of the SubjectAltName list */
-    for (cur = san_list; cur != NULL; cur = cur->next) {
-        /* Calculate size of the required buffer */
-        switch (cur->node.type) {
-            case MBEDTLS_X509_SAN_DNS_NAME:
-            case MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER:
-            case MBEDTLS_X509_SAN_IP_ADDRESS:
-            case MBEDTLS_X509_SAN_RFC822_NAME:
-                /* length of value for each name entry,
-                 * maximum 4 bytes for the length field,
-                 * 1 byte for the tag/type.
-                 */
-                CHECK_OVERFLOW_ADD(buflen, cur->node.san.unstructured_name.len);
-                CHECK_OVERFLOW_ADD(buflen, 4 + 1);
-                break;
-            case MBEDTLS_X509_SAN_DIRECTORY_NAME:
-            {
-                const mbedtls_asn1_named_data *chunk = &cur->node.san.directory_name;
-                while (chunk != NULL) {
-                    // Max 4 bytes for length, +1 for tag,
-                    // additional 4 max for length, +1 for tag.
-                    // See x509_write_name for more information.
-                    CHECK_OVERFLOW_ADD(buflen, 4 + 1 + 4 + 1);
-                    CHECK_OVERFLOW_ADD(buflen, chunk->oid.len);
-                    CHECK_OVERFLOW_ADD(buflen, chunk->val.len);
-                    chunk = chunk->next;
-                }
-                CHECK_OVERFLOW_ADD(buflen, 4 + 1);
-                break;
-            }
-            default:
-                /* Not supported - return. */
-                return MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE;
-        }
-    }
-
-    /* Add the extra length field and tag */
-    CHECK_OVERFLOW_ADD(buflen, 4 + 1);
-
-    /* Allocate buffer */
-    buf = mbedtls_calloc(1, buflen);
-    if (buf == NULL) {
-        return MBEDTLS_ERR_ASN1_ALLOC_FAILED;
-    }
-    p = buf + buflen;
-
-    /* Write ASN.1-based structure */
-    cur = san_list;
-    len = 0;
-    while (cur != NULL) {
-        size_t single_san_len = 0;
-        switch (cur->node.type) {
-            case MBEDTLS_X509_SAN_DNS_NAME:
-            case MBEDTLS_X509_SAN_RFC822_NAME:
-            case MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER:
-            case MBEDTLS_X509_SAN_IP_ADDRESS:
-            {
-                const unsigned char *unstructured_name =
-                    (const unsigned char *) cur->node.san.unstructured_name.p;
-                size_t unstructured_name_len = cur->node.san.unstructured_name.len;
-
-                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len,
-                                             mbedtls_asn1_write_raw_buffer(
-                                                 &p, buf,
-                                                 unstructured_name, unstructured_name_len));
-                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len, mbedtls_asn1_write_len(
-                                                 &p, buf, unstructured_name_len));
-                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len,
-                                             mbedtls_asn1_write_tag(
-                                                 &p, buf,
-                                                 MBEDTLS_ASN1_CONTEXT_SPECIFIC | cur->node.type));
-            }
-            break;
-            case MBEDTLS_X509_SAN_DIRECTORY_NAME:
-                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len,
-                                             mbedtls_x509_write_names(&p, buf,
-                                                                      (mbedtls_asn1_named_data *) &
-                                                                      cur->node
-                                                                      .san.directory_name));
-                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len,
-                                             mbedtls_asn1_write_len(&p, buf, single_san_len));
-                MBEDTLS_ASN1_CHK_CLEANUP_ADD(single_san_len,
-                                             mbedtls_asn1_write_tag(&p, buf,
-                                                                    MBEDTLS_ASN1_CONTEXT_SPECIFIC |
-                                                                    MBEDTLS_ASN1_CONSTRUCTED |
-                                                                    MBEDTLS_X509_SAN_DIRECTORY_NAME));
-                break;
-            default:
-                /* Error out on an unsupported SAN */
-                ret = MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE;
-                goto cleanup;
-        }
-        cur = cur->next;
-        /* check for overflow */
-        if (len > SIZE_MAX - single_san_len) {
-            ret = MBEDTLS_ERR_X509_BAD_INPUT_DATA;
-            goto cleanup;
-        }
-        len += single_san_len;
-    }
-
-    MBEDTLS_ASN1_CHK_CLEANUP_ADD(len, mbedtls_asn1_write_len(&p, buf, len));
-    MBEDTLS_ASN1_CHK_CLEANUP_ADD(len,
-                                 mbedtls_asn1_write_tag(&p, buf,
-                                                        MBEDTLS_ASN1_CONSTRUCTED |
-                                                        MBEDTLS_ASN1_SEQUENCE));
-
-    ret = mbedtls_x509write_crt_set_extension(
-        ctx,
-        MBEDTLS_OID_SUBJECT_ALT_NAME,
-        MBEDTLS_OID_SIZE(MBEDTLS_OID_SUBJECT_ALT_NAME),
-        0,
-        buf + buflen - len,
-        len);
-
-cleanup:
-    mbedtls_free(buf);
-    return ret;
+    return mbedtls_x509_write_set_san_common(&ctx->extensions, san_list);
 }
 
 
diff --git a/library/x509write_csr.c b/library/x509write_csr.c
index 5d3d176..d996052 100644
--- a/library/x509write_csr.c
+++ b/library/x509write_csr.c
@@ -89,100 +89,7 @@
 int mbedtls_x509write_csr_set_subject_alternative_name(mbedtls_x509write_csr *ctx,
                                                        const mbedtls_x509_san_list *san_list)
 {
-    int ret = 0;
-    const mbedtls_x509_san_list *cur;
-    unsigned char *buf;
-    unsigned char *p;
-    size_t len;
-    size_t buflen = 0;
-
-    /* Determine the maximum size of the SubjectAltName list */
-    for (cur = san_list; cur != NULL; cur = cur->next) {
-        /* Calculate size of the required buffer */
-        switch (cur->node.type) {
-            case MBEDTLS_X509_SAN_DNS_NAME:
-            case MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER:
-            case MBEDTLS_X509_SAN_IP_ADDRESS:
-                /* length of value for each name entry,
-                 * maximum 4 bytes for the length field,
-                 * 1 byte for the tag/type.
-                 */
-                buflen += cur->node.san.unstructured_name.len + 4 + 1;
-                break;
-
-            default:
-                /* Not supported - skip. */
-                break;
-        }
-    }
-
-    /* Add the extra length field and tag */
-    buflen += 4 + 1;
-
-    /* Allocate buffer */
-    buf = mbedtls_calloc(1, buflen);
-    if (buf == NULL) {
-        return MBEDTLS_ERR_ASN1_ALLOC_FAILED;
-    }
-
-    mbedtls_platform_zeroize(buf, buflen);
-    p = buf + buflen;
-
-    /* Write ASN.1-based structure */
-    cur = san_list;
-    len = 0;
-    while (cur != NULL) {
-        switch (cur->node.type) {
-            case MBEDTLS_X509_SAN_DNS_NAME:
-            case MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER:
-            case MBEDTLS_X509_SAN_IP_ADDRESS:
-            {
-                const unsigned char *unstructured_name =
-                    (const unsigned char *) cur->node.san.unstructured_name.p;
-                size_t unstructured_name_len = cur->node.san.unstructured_name.len;
-
-                MBEDTLS_ASN1_CHK_CLEANUP_ADD(len,
-                                             mbedtls_asn1_write_raw_buffer(
-                                                 &p, buf,
-                                                 unstructured_name, unstructured_name_len));
-                MBEDTLS_ASN1_CHK_CLEANUP_ADD(len, mbedtls_asn1_write_len(
-                                                 &p, buf, unstructured_name_len));
-                MBEDTLS_ASN1_CHK_CLEANUP_ADD(len,
-                                             mbedtls_asn1_write_tag(
-                                                 &p, buf,
-                                                 MBEDTLS_ASN1_CONTEXT_SPECIFIC | cur->node.type));
-            }
-            break;
-            default:
-                /* Skip unsupported names. */
-                break;
-        }
-        cur = cur->next;
-    }
-
-    MBEDTLS_ASN1_CHK_CLEANUP_ADD(len, mbedtls_asn1_write_len(&p, buf, len));
-    MBEDTLS_ASN1_CHK_CLEANUP_ADD(len,
-                                 mbedtls_asn1_write_tag(&p, buf,
-                                                        MBEDTLS_ASN1_CONSTRUCTED |
-                                                        MBEDTLS_ASN1_SEQUENCE));
-
-    ret = mbedtls_x509write_csr_set_extension(
-        ctx,
-        MBEDTLS_OID_SUBJECT_ALT_NAME,
-        MBEDTLS_OID_SIZE(MBEDTLS_OID_SUBJECT_ALT_NAME),
-        0,
-        buf + buflen - len,
-        len);
-
-    /* If we exceeded the allocated buffer it means that maximum size of the SubjectAltName list
-     * was incorrectly calculated and memory is corrupted. */
-    if (p < buf) {
-        ret = MBEDTLS_ERR_ASN1_LENGTH_MISMATCH;
-    }
-
-cleanup:
-    mbedtls_free(buf);
-    return ret;
+    return mbedtls_x509_write_set_san_common(&ctx->extensions, san_list);
 }
 
 int mbedtls_x509write_csr_set_key_usage(mbedtls_x509write_csr *ctx, unsigned char key_usage)
diff --git a/programs/x509/cert_req.c b/programs/x509/cert_req.c
index 23e816b..558d8cc 100644
--- a/programs/x509/cert_req.c
+++ b/programs/x509/cert_req.c
@@ -23,10 +23,10 @@
 /* md.h is included this early since MD_CAN_XXX macros are defined there. */
 #include "mbedtls/md.h"
 
-#if !defined(MBEDTLS_X509_CSR_WRITE_C) || !defined(MBEDTLS_FS_IO) ||  \
+#if !defined(MBEDTLS_X509_CSR_WRITE_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
     !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_MD_CAN_SHA256) || \
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
-    !defined(MBEDTLS_PEM_WRITE_C)
+    !defined(MBEDTLS_PEM_WRITE_C) || !defined(MBEDTLS_FS_IO)
 int main(void)
 {
     mbedtls_printf("MBEDTLS_X509_CSR_WRITE_C and/or MBEDTLS_FS_IO and/or "
@@ -66,10 +66,12 @@
     "    output_file=%%s      default: cert.req\n"      \
     "    subject_name=%%s     default: CN=Cert,O=mbed TLS,C=UK\n"   \
     "    san=%%s              default: (none)\n"       \
-    "                        Semicolon-separated-list of values:\n"     \
-    "                          DNS:value\n"            \
-    "                          URI:value\n"            \
-    "                          IP:value (Only IPv4 is supported)\n"             \
+    "                           Semicolon-separated-list of values:\n" \
+    "                           DNS:value\n"            \
+    "                           URI:value\n"            \
+    "                           RFC822:value\n"         \
+    "                           IP:value (Only IPv4 is supported)\n" \
+    "                           DN:list of comma separated key=value pairs\n" \
     "    key_usage=%%s        default: (empty)\n"       \
     "                        Comma-separated-list of values:\n"     \
     "                          digital_signature\n"     \
@@ -153,12 +155,13 @@
     mbedtls_pk_context key;
     char buf[1024];
     int i;
-    char *p, *q, *r, *subtype_value;
+    char *p, *q, *r;
     mbedtls_x509write_csr req;
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     const char *pers = "csr example app";
     mbedtls_x509_san_list *cur, *prev;
+    mbedtls_asn1_named_data *ext_san_dirname = NULL;
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
     uint8_t ip[4] = { 0 };
 #endif
@@ -218,11 +221,34 @@
         } else if (strcmp(p, "subject_name") == 0) {
             opt.subject_name = q;
         } else if (strcmp(p, "san") == 0) {
+            char *subtype_value;
             prev = NULL;
 
             while (q != NULL) {
-                if ((r = strchr(q, ';')) != NULL) {
+                char *semicolon;
+                r = q;
+
+                /* Find the first non-escaped ; occurrence and remove escaped ones */
+                do {
+                    if ((semicolon = strchr(r, ';')) != NULL) {
+                        if (*(semicolon-1) != '\\') {
+                            r = semicolon;
+                            break;
+                        }
+                        /* Remove the escape character */
+                        size_t size_left = strlen(semicolon);
+                        memmove(semicolon-1, semicolon, size_left);
+                        *(semicolon + size_left - 1) = '\0';
+                        /* r will now point at the character after the semicolon */
+                        r = semicolon;
+                    }
+
+                } while (semicolon != NULL);
+
+                if (semicolon != NULL) {
                     *r++ = '\0';
+                } else {
+                    r = NULL;
                 }
 
                 cur = mbedtls_calloc(1, sizeof(mbedtls_x509_san_list));
@@ -236,13 +262,13 @@
                 if ((subtype_value = strchr(q, ':')) != NULL) {
                     *subtype_value++ = '\0';
                 }
-
-                if (strcmp(q, "URI") == 0) {
+                if (strcmp(q, "RFC822") == 0) {
+                    cur->node.type = MBEDTLS_X509_SAN_RFC822_NAME;
+                } else if (strcmp(q, "URI") == 0) {
                     cur->node.type = MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER;
                 } else if (strcmp(q, "DNS") == 0) {
                     cur->node.type = MBEDTLS_X509_SAN_DNS_NAME;
                 } else if (strcmp(q, "IP") == 0) {
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
                     size_t ip_len = 0;
                     cur->node.type = MBEDTLS_X509_SAN_IP_ADDRESS;
                     ip_len = mbedtls_x509_crt_parse_cn_inet_pton(subtype_value, ip);
@@ -251,21 +277,28 @@
                                        subtype_value);
                         goto exit;
                     }
-#else
-                    mbedtls_printf("IP SAN parsing requires MBEDTLS_X509_CRT_PARSE_C to be defined");
-                    goto exit;
-#endif
+                    cur->node.san.unstructured_name.p = (unsigned char *) ip;
+                    cur->node.san.unstructured_name.len = sizeof(ip);
+                } else if (strcmp(q, "DN") == 0) {
+                    cur->node.type = MBEDTLS_X509_SAN_DIRECTORY_NAME;
+                    if ((ret = mbedtls_x509_string_to_names(&ext_san_dirname,
+                                                            subtype_value)) != 0) {
+                        mbedtls_strerror(ret, buf, sizeof(buf));
+                        mbedtls_printf(
+                            " failed\n  !  mbedtls_x509_string_to_names "
+                            "returned -0x%04x - %s\n\n",
+                            (unsigned int) -ret, buf);
+                        goto exit;
+                    }
+                    cur->node.san.directory_name = *ext_san_dirname;
                 } else {
                     mbedtls_free(cur);
                     goto usage;
                 }
 
-                if (strcmp(q, "IP") == 0) {
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-                    cur->node.san.unstructured_name.p = (unsigned char *) ip;
-                    cur->node.san.unstructured_name.len = sizeof(ip);
-#endif
-                } else {
+                if (cur->node.type == MBEDTLS_X509_SAN_RFC822_NAME ||
+                    cur->node.type == MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER ||
+                    cur->node.type == MBEDTLS_X509_SAN_DNS_NAME) {
                     q = subtype_value;
                     cur->node.san.unstructured_name.p = (unsigned char *) q;
                     cur->node.san.unstructured_name.len = strlen(q);
@@ -280,7 +313,6 @@
                 prev = cur;
                 q = r;
             }
-
         } else if (strcmp(p, "md") == 0) {
             const mbedtls_md_info_t *md_info =
                 mbedtls_md_info_from_string(q);
@@ -467,6 +499,7 @@
     }
 
     mbedtls_x509write_csr_free(&req);
+    mbedtls_asn1_free_named_data_list(&ext_san_dirname);
     mbedtls_pk_free(&key);
     mbedtls_ctr_drbg_free(&ctr_drbg);
     mbedtls_entropy_free(&entropy);
diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
index e58f528..40b1871 100644
--- a/programs/x509/cert_write.c
+++ b/programs/x509/cert_write.c
@@ -530,6 +530,8 @@
                     SET_OID(ext_key_usage->buf, MBEDTLS_OID_TIME_STAMPING);
                 } else if (strcmp(q, "OCSPSigning") == 0) {
                     SET_OID(ext_key_usage->buf, MBEDTLS_OID_OCSP_SIGNING);
+                } else if (strcmp(q, "any") == 0) {
+                    SET_OID(ext_key_usage->buf, MBEDTLS_OID_ANY_EXTENDED_KEY_USAGE);
                 } else {
                     mbedtls_printf("Invalid argument for option %s\n", p);
                     goto usage;
diff --git a/scripts/code_size_compare.py b/scripts/code_size_compare.py
index 0ed2899..53d859e 100755
--- a/scripts/code_size_compare.py
+++ b/scripts/code_size_compare.py
@@ -24,15 +24,18 @@
 # limitations under the License.
 
 import argparse
+import logging
 import os
 import re
+import shutil
 import subprocess
 import sys
 import typing
 from enum import Enum
 
-from mbedtls_dev import typing_util
 from mbedtls_dev import build_tree
+from mbedtls_dev import logging_util
+from mbedtls_dev import typing_util
 
 class SupportedArch(Enum):
     """Supported architecture for code size measurement."""
@@ -42,13 +45,13 @@
     X86_64 = 'x86_64'
     X86 = 'x86'
 
-CONFIG_TFM_MEDIUM_MBEDCRYPTO_H = "../configs/tfm_mbedcrypto_config_profile_medium.h"
-CONFIG_TFM_MEDIUM_PSA_CRYPTO_H = "../configs/crypto_config_profile_medium.h"
+
 class SupportedConfig(Enum):
     """Supported configuration for code size measurement."""
     DEFAULT = 'default'
     TFM_MEDIUM = 'tfm-medium'
 
+
 # Static library
 MBEDTLS_STATIC_LIB = {
     'CRYPTO': 'library/libmbedcrypto.a',
@@ -56,23 +59,111 @@
     'TLS': 'library/libmbedtls.a',
 }
 
+class CodeSizeDistinctInfo: # pylint: disable=too-few-public-methods
+    """Data structure to store possibly distinct information for code size
+    comparison."""
+    def __init__( #pylint: disable=too-many-arguments
+            self,
+            version: str,
+            git_rev: str,
+            arch: str,
+            config: str,
+            compiler: str,
+            opt_level: str,
+    ) -> None:
+        """
+        :param: version: which version to compare with for code size.
+        :param: git_rev: Git revision to calculate code size.
+        :param: arch: architecture to measure code size on.
+        :param: config: Configuration type to calculate code size.
+                        (See SupportedConfig)
+        :param: compiler: compiler used to build library/*.o.
+        :param: opt_level: Options that control optimization. (E.g. -Os)
+        """
+        self.version = version
+        self.git_rev = git_rev
+        self.arch = arch
+        self.config = config
+        self.compiler = compiler
+        self.opt_level = opt_level
+        # Note: Variables below are not initialized by class instantiation.
+        self.pre_make_cmd = [] #type: typing.List[str]
+        self.make_cmd = ''
+
+    def get_info_indication(self):
+        """Return a unique string to indicate Code Size Distinct Information."""
+        return '{git_rev}-{arch}-{config}-{compiler}'.format(**self.__dict__)
+
+
+class CodeSizeCommonInfo: # pylint: disable=too-few-public-methods
+    """Data structure to store common information for code size comparison."""
+    def __init__(
+            self,
+            host_arch: str,
+            measure_cmd: str,
+    ) -> None:
+        """
+        :param host_arch: host architecture.
+        :param measure_cmd: command to measure code size for library/*.o.
+        """
+        self.host_arch = host_arch
+        self.measure_cmd = measure_cmd
+
+    def get_info_indication(self):
+        """Return a unique string to indicate Code Size Common Information."""
+        return '{measure_tool}'\
+               .format(measure_tool=self.measure_cmd.strip().split(' ')[0])
+
+class CodeSizeResultInfo: # pylint: disable=too-few-public-methods
+    """Data structure to store result options for code size comparison."""
+    def __init__( #pylint: disable=too-many-arguments
+            self,
+            record_dir: str,
+            comp_dir: str,
+            with_markdown=False,
+            stdout=False,
+            show_all=False,
+    ) -> None:
+        """
+        :param record_dir: directory to store code size record.
+        :param comp_dir: directory to store results of code size comparision.
+        :param with_markdown: write comparision result into a markdown table.
+                              (Default: False)
+        :param stdout: direct comparison result into sys.stdout.
+                       (Default False)
+        :param show_all: show all objects in comparison result. (Default False)
+        """
+        self.record_dir = record_dir
+        self.comp_dir = comp_dir
+        self.with_markdown = with_markdown
+        self.stdout = stdout
+        self.show_all = show_all
+
+
 DETECT_ARCH_CMD = "cc -dM -E - < /dev/null"
 def detect_arch() -> str:
     """Auto-detect host architecture."""
     cc_output = subprocess.check_output(DETECT_ARCH_CMD, shell=True).decode()
-    if "__aarch64__" in cc_output:
+    if '__aarch64__' in cc_output:
         return SupportedArch.AARCH64.value
-    if "__arm__" in cc_output:
+    if '__arm__' in cc_output:
         return SupportedArch.AARCH32.value
-    if "__x86_64__" in cc_output:
+    if '__x86_64__' in cc_output:
         return SupportedArch.X86_64.value
-    if "__x86__" in cc_output:
+    if '__i386__' in cc_output:
         return SupportedArch.X86.value
     else:
         print("Unknown host architecture, cannot auto-detect arch.")
         sys.exit(1)
 
-class CodeSizeInfo: # pylint: disable=too-few-public-methods
+TFM_MEDIUM_CONFIG_H = 'configs/tfm_mbedcrypto_config_profile_medium.h'
+TFM_MEDIUM_CRYPTO_CONFIG_H = 'configs/crypto_config_profile_medium.h'
+
+CONFIG_H = 'include/mbedtls/mbedtls_config.h'
+CRYPTO_CONFIG_H = 'include/psa/crypto_config.h'
+BACKUP_SUFFIX = '.code_size.bak'
+
+class CodeSizeBuildInfo: # pylint: disable=too-few-public-methods
     """Gather information used to measure code size.
 
     It collects information about architecture, configuration in order to
@@ -80,90 +171,367 @@
     """
 
     SupportedArchConfig = [
-        "-a " + SupportedArch.AARCH64.value + " -c " + SupportedConfig.DEFAULT.value,
-        "-a " + SupportedArch.AARCH32.value + " -c " + SupportedConfig.DEFAULT.value,
-        "-a " + SupportedArch.X86_64.value  + " -c " + SupportedConfig.DEFAULT.value,
-        "-a " + SupportedArch.X86.value     + " -c " + SupportedConfig.DEFAULT.value,
-        "-a " + SupportedArch.ARMV8_M.value + " -c " + SupportedConfig.TFM_MEDIUM.value,
+        '-a ' + SupportedArch.AARCH64.value + ' -c ' + SupportedConfig.DEFAULT.value,
+        '-a ' + SupportedArch.AARCH32.value + ' -c ' + SupportedConfig.DEFAULT.value,
+        '-a ' + SupportedArch.X86_64.value  + ' -c ' + SupportedConfig.DEFAULT.value,
+        '-a ' + SupportedArch.X86.value     + ' -c ' + SupportedConfig.DEFAULT.value,
+        '-a ' + SupportedArch.ARMV8_M.value + ' -c ' + SupportedConfig.TFM_MEDIUM.value,
     ]
 
-    def __init__(self, arch: str, config: str, sys_arch: str) -> None:
+    def __init__(
+            self,
+            size_dist_info: CodeSizeDistinctInfo,
+            host_arch: str,
+            logger: logging.Logger,
+    ) -> None:
         """
-        arch: architecture to measure code size on.
-        config: configuration type to measure code size with.
-        sys_arch: host architecture.
-        make_command: command to build library (Inferred from arch and config).
+        :param size_dist_info:
+            CodeSizeDistinctInfo containing info for code size measurement.
+                - size_dist_info.arch: architecture to measure code size on.
+                - size_dist_info.config: configuration type to measure
+                                         code size with.
+                - size_dist_info.compiler: compiler used to build library/*.o.
+                - size_dist_info.opt_level: Options that control optimization.
+                                            (E.g. -Os)
+        :param host_arch: host architecture.
+        :param logger: logging module
         """
-        self.arch = arch
-        self.config = config
-        self.sys_arch = sys_arch
-        self.make_command = self.set_make_command()
+        self.arch = size_dist_info.arch
+        self.config = size_dist_info.config
+        self.compiler = size_dist_info.compiler
+        self.opt_level = size_dist_info.opt_level
 
-    def set_make_command(self) -> str:
-        """Infer build command based on architecture and configuration."""
+        self.make_cmd = ['make', '-j', 'lib']
 
+        self.host_arch = host_arch
+        self.logger = logger
+
+    def check_correctness(self) -> bool:
+        """Check whether we are using proper / supported combination
+        of information to build library/*.o."""
+
+        # default config
         if self.config == SupportedConfig.DEFAULT.value and \
-            self.arch == self.sys_arch:
-            return 'make -j lib CFLAGS=\'-Os \' '
+            self.arch == self.host_arch:
+            return True
+        # TF-M
         elif self.arch == SupportedArch.ARMV8_M.value and \
              self.config == SupportedConfig.TFM_MEDIUM.value:
-            return \
-                 'make -j lib CC=armclang \
-                  CFLAGS=\'--target=arm-arm-none-eabi -mcpu=cortex-m33 -Os \
-                 -DMBEDTLS_CONFIG_FILE=\\\"' + CONFIG_TFM_MEDIUM_MBEDCRYPTO_H + '\\\" \
-                 -DMBEDTLS_PSA_CRYPTO_CONFIG_FILE=\\\"' + CONFIG_TFM_MEDIUM_PSA_CRYPTO_H + '\\\" \''
+            return True
+
+        return False
+
+    def infer_pre_make_command(self) -> typing.List[str]:
+        """Infer command to set up proper configuration before running make."""
+        pre_make_cmd = [] #type: typing.List[str]
+        if self.config == SupportedConfig.TFM_MEDIUM.value:
+            pre_make_cmd.append('cp {src} {dest}'
+                                .format(src=TFM_MEDIUM_CONFIG_H, dest=CONFIG_H))
+            pre_make_cmd.append('cp {src} {dest}'
+                                .format(src=TFM_MEDIUM_CRYPTO_CONFIG_H,
+                                        dest=CRYPTO_CONFIG_H))
+
+        return pre_make_cmd
+
+    def infer_make_cflags(self) -> str:
+        """Infer CFLAGS by instance attributes in CodeSizeDistinctInfo."""
+        cflags = [] #type: typing.List[str]
+
+        # set optimization level
+        cflags.append(self.opt_level)
+        # set compiler by config
+        if self.config == SupportedConfig.TFM_MEDIUM.value:
+            self.compiler = 'armclang'
+            cflags.append('-mcpu=cortex-m33')
+        # set target
+        if self.compiler == 'armclang':
+            cflags.append('--target=arm-arm-none-eabi')
+
+        return ' '.join(cflags)
+
+    def infer_make_command(self) -> str:
+        """Infer make command by CFLAGS and CC."""
+
+        if self.check_correctness():
+            # set CFLAGS=
+            self.make_cmd.append('CFLAGS=\'{}\''.format(self.infer_make_cflags()))
+            # set CC=
+            self.make_cmd.append('CC={}'.format(self.compiler))
+            return ' '.join(self.make_cmd)
         else:
-            print("Unsupported combination of architecture: {} and configuration: {}"
-                  .format(self.arch, self.config))
-            print("\nPlease use supported combination of architecture and configuration:")
-            for comb in CodeSizeInfo.SupportedArchConfig:
-                print(comb)
-            print("\nFor your system, please use:")
-            for comb in CodeSizeInfo.SupportedArchConfig:
-                if "default" in comb and self.sys_arch not in comb:
+            self.logger.error("Unsupported combination of architecture: {} " \
+                              "and configuration: {}.\n"
+                              .format(self.arch,
+                                      self.config))
+            self.logger.error("Please use supported combination of " \
+                             "architecture and configuration:")
+            for comb in CodeSizeBuildInfo.SupportedArchConfig:
+                self.logger.error(comb)
+            self.logger.error("")
+            self.logger.error("For your system, please use:")
+            for comb in CodeSizeBuildInfo.SupportedArchConfig:
+                if "default" in comb and self.host_arch not in comb:
                     continue
-                print(comb)
+                self.logger.error(comb)
             sys.exit(1)
 
-class SizeEntry: # pylint: disable=too-few-public-methods
-    """Data Structure to only store information of code size."""
-    def __init__(self, text, data, bss, dec):
-        self.text = text
-        self.data = data
-        self.bss = bss
-        self.total = dec # total <=> dec
 
-class CodeSizeBase:
+class CodeSizeCalculator:
+    """ A calculator to calculate code size of library/*.o based on
+    Git revision and code size measurement tool.
+    """
+
+    def __init__( #pylint: disable=too-many-arguments
+            self,
+            git_rev: str,
+            pre_make_cmd: typing.List[str],
+            make_cmd: str,
+            measure_cmd: str,
+            logger: logging.Logger,
+    ) -> None:
+        """
+        :param git_rev: Git revision. (E.g: commit)
+        :param pre_make_cmd: command to set up proper config before running make.
+        :param make_cmd: command to build library/*.o.
+        :param measure_cmd: command to measure code size for library/*.o.
+        :param logger: logging module
+        """
+        self.repo_path = "."
+        self.git_command = "git"
+        self.make_clean = 'make clean'
+
+        self.git_rev = git_rev
+        self.pre_make_cmd = pre_make_cmd
+        self.make_cmd = make_cmd
+        self.measure_cmd = measure_cmd
+        self.logger = logger
+
+    @staticmethod
+    def validate_git_revision(git_rev: str) -> str:
+        result = subprocess.check_output(["git", "rev-parse", "--verify",
+                                          git_rev + "^{commit}"],
+                                         shell=False, universal_newlines=True)
+        return result[:7]
+
+    def _create_git_worktree(self) -> str:
+        """Create a separate worktree for Git revision.
+        If Git revision is current, use current worktree instead."""
+
+        if self.git_rev == 'current':
+            self.logger.debug("Using current work directory.")
+            git_worktree_path = self.repo_path
+        else:
+            self.logger.debug("Creating git worktree for {}."
+                              .format(self.git_rev))
+            git_worktree_path = os.path.join(self.repo_path,
+                                             "temp-" + self.git_rev)
+            subprocess.check_output(
+                [self.git_command, "worktree", "add", "--detach",
+                 git_worktree_path, self.git_rev], cwd=self.repo_path,
+                stderr=subprocess.STDOUT
+            )
+
+        return git_worktree_path
+
+    @staticmethod
+    def backup_config_files(restore: bool) -> None:
+        """Backup / Restore config files."""
+        if restore:
+            shutil.move(CONFIG_H + BACKUP_SUFFIX, CONFIG_H)
+            shutil.move(CRYPTO_CONFIG_H + BACKUP_SUFFIX, CRYPTO_CONFIG_H)
+        else:
+            shutil.copy(CONFIG_H, CONFIG_H + BACKUP_SUFFIX)
+            shutil.copy(CRYPTO_CONFIG_H, CRYPTO_CONFIG_H + BACKUP_SUFFIX)
+
+    def _build_libraries(self, git_worktree_path: str) -> None:
+        """Build library/*.o in the specified worktree."""
+
+        self.logger.debug("Building library/*.o for {}."
+                          .format(self.git_rev))
+        my_environment = os.environ.copy()
+        try:
+            if self.git_rev == 'current':
+                self.backup_config_files(restore=False)
+            for pre_cmd in self.pre_make_cmd:
+                subprocess.check_output(
+                    pre_cmd, env=my_environment, shell=True,
+                    cwd=git_worktree_path, stderr=subprocess.STDOUT,
+                    universal_newlines=True
+                )
+            subprocess.check_output(
+                self.make_clean, env=my_environment, shell=True,
+                cwd=git_worktree_path, stderr=subprocess.STDOUT,
+                universal_newlines=True
+            )
+            subprocess.check_output(
+                self.make_cmd, env=my_environment, shell=True,
+                cwd=git_worktree_path, stderr=subprocess.STDOUT,
+                universal_newlines=True
+            )
+            if self.git_rev == 'current':
+                self.backup_config_files(restore=True)
+        except subprocess.CalledProcessError as e:
+            self._handle_called_process_error(e, git_worktree_path)
+
+    def _gen_raw_code_size(self, git_worktree_path: str) -> typing.Dict[str, str]:
+        """Measure code size by a tool and return in UTF-8 encoding."""
+
+        self.logger.debug("Measuring code size for {} by `{}`."
+                          .format(self.git_rev,
+                                  self.measure_cmd.strip().split(' ')[0]))
+
+        res = {}
+        for mod, st_lib in MBEDTLS_STATIC_LIB.items():
+            try:
+                result = subprocess.check_output(
+                    [self.measure_cmd + ' ' + st_lib], cwd=git_worktree_path,
+                    shell=True, universal_newlines=True
+                )
+                res[mod] = result
+            except subprocess.CalledProcessError as e:
+                self._handle_called_process_error(e, git_worktree_path)
+
+        return res
+
+    def _remove_worktree(self, git_worktree_path: str) -> None:
+        """Remove temporary worktree."""
+        if git_worktree_path != self.repo_path:
+            self.logger.debug("Removing temporary worktree {}."
+                              .format(git_worktree_path))
+            subprocess.check_output(
+                [self.git_command, "worktree", "remove", "--force",
+                 git_worktree_path], cwd=self.repo_path,
+                stderr=subprocess.STDOUT
+            )
+
+    def _handle_called_process_error(self, e: subprocess.CalledProcessError,
+                                     git_worktree_path: str) -> None:
+        """Handle a CalledProcessError and quit the program gracefully.
+        Remove any extra worktrees so that the script may be called again."""
+
+        # Tell the user what went wrong
+        self.logger.error(e, exc_info=True)
+        self.logger.error("Process output:\n {}".format(e.output))
+
+        # Quit gracefully by removing the existing worktree
+        self._remove_worktree(git_worktree_path)
+        sys.exit(-1)
+
+    def cal_libraries_code_size(self) -> typing.Dict[str, str]:
+        """Do a complete round to calculate code size of library/*.o
+        by measurement tool.
+
+        :return A dictionary of measured code size
+            - typing.Dict[mod: str]
+        """
+
+        git_worktree_path = self._create_git_worktree()
+        try:
+            self._build_libraries(git_worktree_path)
+            res = self._gen_raw_code_size(git_worktree_path)
+        finally:
+            self._remove_worktree(git_worktree_path)
+
+        return res
+
+
+class CodeSizeGenerator:
+    """ A generator based on size measurement tool for library/*.o.
+
+    This is an abstract class. To use it, derive a class that implements
+    write_record and write_comparison methods, then call both of them with
+    proper arguments.
+    """
+    def __init__(self, logger: logging.Logger) -> None:
+        """
+        :param logger: logging module
+        """
+        self.logger = logger
+
+    def write_record(
+            self,
+            git_rev: str,
+            code_size_text: typing.Dict[str, str],
+            output: typing_util.Writable
+    ) -> None:
+        """Write size record into a file.
+
+        :param git_rev: Git revision. (E.g: commit)
+        :param code_size_text:
+            string output (utf-8) from measurement tool of code size.
+                - typing.Dict[mod: str]
+        :param output: output stream which the code size record is written to.
+                       (Note: Normally write code size record into File)
+        """
+        raise NotImplementedError
+
+    def write_comparison( #pylint: disable=too-many-arguments
+            self,
+            old_rev: str,
+            new_rev: str,
+            output: typing_util.Writable,
+            with_markdown=False,
+            show_all=False
+    ) -> None:
+        """Write a comparision result into a stream between two Git revisions.
+
+        :param old_rev: old Git revision to compared with.
+        :param new_rev: new Git revision to compared with.
+        :param output: output stream which the code size record is written to.
+                       (File / sys.stdout)
+        :param with_markdown:  write comparision result in a markdown table.
+                               (Default: False)
+        :param show_all: show all objects in comparison result. (Default False)
+        """
+        raise NotImplementedError
+
+
+class CodeSizeGeneratorWithSize(CodeSizeGenerator):
     """Code Size Base Class for size record saving and writing."""
 
-    def __init__(self) -> None:
-        """ Variable code_size is used to store size info for any revisions.
-        code_size: (data format)
-        {revision: {module: {file_name: SizeEntry,
-                             etc ...
-                            },
-                    etc ...
-                   },
-         etc ...
-        }
-        """
-        self.code_size = {} #type: typing.Dict[str, typing.Dict]
+    class SizeEntry: # pylint: disable=too-few-public-methods
+        """Data Structure to only store information of code size."""
+        def __init__(self, text: int, data: int, bss: int, dec: int):
+            self.text = text
+            self.data = data
+            self.bss = bss
+            self.total = dec # total <=> dec
 
-    def set_size_record(self, revision: str, mod: str, size_text: str) -> None:
-        """Store size information for target revision and high-level module.
+    def __init__(self, logger: logging.Logger) -> None:
+        """ Variable code_size is used to store size info for any Git revisions.
+        :param code_size:
+            Data Format as following:
+            code_size = {
+                git_rev: {
+                    module: {
+                        file_name: SizeEntry,
+                        ...
+                    },
+                    ...
+                },
+                ...
+            }
+        """
+        super().__init__(logger)
+        self.code_size = {} #type: typing.Dict[str, typing.Dict]
+        self.mod_total_suffix = '-' + 'TOTALS'
+
+    def _set_size_record(self, git_rev: str, mod: str, size_text: str) -> None:
+        """Store size information for target Git revision and high-level module.
 
         size_text Format: text data bss dec hex filename
         """
         size_record = {}
         for line in size_text.splitlines()[1:]:
             data = line.split()
-            size_record[data[5]] = SizeEntry(data[0], data[1], data[2], data[3])
-        if revision in self.code_size:
-            self.code_size[revision].update({mod: size_record})
-        else:
-            self.code_size[revision] = {mod: size_record}
+            if re.match(r'\s*\(TOTALS\)', data[5]):
+                data[5] = mod + self.mod_total_suffix
+            # file_name: SizeEntry(text, data, bss, dec)
+            size_record[data[5]] = CodeSizeGeneratorWithSize.SizeEntry(
+                int(data[0]), int(data[1]), int(data[2]), int(data[3]))
+        self.code_size.setdefault(git_rev, {}).update({mod: size_record})
 
-    def read_size_record(self, revision: str, fname: str) -> None:
+    def read_size_record(self, git_rev: str, fname: str) -> None:
         """Read size information from csv file and write it into code_size.
 
         fname Format: filename text data bss dec
@@ -179,232 +547,325 @@
                     continue
 
                 if mod:
-                    size_record[data[0]] = \
-                        SizeEntry(data[1], data[2], data[3], data[4])
+                    # file_name: SizeEntry(text, data, bss, dec)
+                    size_record[data[0]] = CodeSizeGeneratorWithSize.SizeEntry(
+                        int(data[1]), int(data[2]), int(data[3]), int(data[4]))
 
                 # check if we hit record for the end of a module
-                m = re.match(r'.?TOTALS', line)
+                m = re.match(r'\w+' + self.mod_total_suffix, line)
                 if m:
-                    if revision in self.code_size:
-                        self.code_size[revision].update({mod: size_record})
+                    if git_rev in self.code_size:
+                        self.code_size[git_rev].update({mod: size_record})
                     else:
-                        self.code_size[revision] = {mod: size_record}
+                        self.code_size[git_rev] = {mod: size_record}
                     mod = ""
                     size_record = {}
 
-    def _size_reader_helper(
+    def write_record(
             self,
-            revision: str,
-            output: typing_util.Writable
-    ) -> typing.Iterator[tuple]:
-        """A helper function to peel code_size based on revision."""
-        for mod, file_size in self.code_size[revision].items():
-            output.write("\n" + mod + "\n")
-            for fname, size_entry in file_size.items():
-                yield mod, fname, size_entry
-
-    def write_size_record(
-            self,
-            revision: str,
+            git_rev: str,
+            code_size_text: typing.Dict[str, str],
             output: typing_util.Writable
     ) -> None:
         """Write size information to a file.
 
-        Writing Format: file_name text data bss total(dec)
+        Writing Format: filename text data bss total(dec)
         """
-        output.write("{:<30} {:>7} {:>7} {:>7} {:>7}\n"
-                     .format("filename", "text", "data", "bss", "total"))
-        for _, fname, size_entry in self._size_reader_helper(revision, output):
-            output.write("{:<30} {:>7} {:>7} {:>7} {:>7}\n"
-                         .format(fname, size_entry.text, size_entry.data,\
-                                 size_entry.bss, size_entry.total))
+        for mod, size_text in code_size_text.items():
+            self._set_size_record(git_rev, mod, size_text)
 
-    def write_comparison(
+        format_string = "{:<30} {:>7} {:>7} {:>7} {:>7}\n"
+        output.write(format_string.format("filename",
+                                          "text", "data", "bss", "total"))
+
+        for mod, f_size in self.code_size[git_rev].items():
+            output.write("\n" + mod + "\n")
+            for fname, size_entry in f_size.items():
+                output.write(format_string
+                             .format(fname,
+                                     size_entry.text, size_entry.data,
+                                     size_entry.bss, size_entry.total))
+
+    def write_comparison( #pylint: disable=too-many-arguments
             self,
             old_rev: str,
             new_rev: str,
-            output: typing_util.Writable
+            output: typing_util.Writable,
+            with_markdown=False,
+            show_all=False
     ) -> None:
+        # pylint: disable=too-many-locals
         """Write comparison result into a file.
 
-        Writing Format: file_name current(total) old(total) change(Byte) change_pct(%)
+        Writing Format:
+            Markdown Output:
+                filename new(text) new(data) change(text) change(data)
+            CSV Output:
+                filename new(text) new(data) old(text) old(data) change(text) change(data)
         """
-        output.write("{:<30} {:>7} {:>7} {:>7} {:>7}\n"
-                     .format("filename", "current", "old", "change", "change%"))
-        for mod, fname, size_entry in self._size_reader_helper(new_rev, output):
-            new_size = int(size_entry.total)
-            # check if we have the file in old revision
-            if fname in self.code_size[old_rev][mod]:
-                old_size = int(self.code_size[old_rev][mod][fname].total)
-                change = new_size - old_size
-                if old_size != 0:
-                    change_pct = change / old_size
-                else:
-                    change_pct = 0
-                output.write("{:<30} {:>7} {:>7} {:>7} {:>7.2%}\n"
-                             .format(fname, new_size, old_size, change, change_pct))
+        header_line = ["filename", "new(text)", "old(text)", "change(text)",
+                       "new(data)", "old(data)", "change(data)"]
+        if with_markdown:
+            dash_line = [":----", "----:", "----:", "----:",
+                         "----:", "----:", "----:"]
+            # | filename | new(text) | new(data) | change(text) | change(data) |
+            line_format = "| {0:<30} | {1:>9} | {4:>9} | {3:>12} | {6:>12} |\n"
+            bold_text = lambda x: '**' + str(x) + '**'
+        else:
+            # filename new(text) new(data) old(text) old(data) change(text) change(data)
+            line_format = "{0:<30} {1:>9} {4:>9} {2:>10} {5:>10} {3:>12} {6:>12}\n"
+
+        def cal_sect_change(
+                old_size: typing.Optional[CodeSizeGeneratorWithSize.SizeEntry],
+                new_size: typing.Optional[CodeSizeGeneratorWithSize.SizeEntry],
+                sect: str
+        ) -> typing.List:
+            """Inner helper function to calculate size change for a section.
+
+            Convention for special cases:
+                - If the object has been removed in new Git revision,
+                  the size is minus code size of old Git revision;
+                  the size change is marked as `Removed`,
+                - If the object only exists in new Git revision,
+                  the size is code size of new Git revision;
+                  the size change is marked as `None`,
+
+            :param: old_size: code size for objects in old Git revision.
+            :param: new_size: code size for objects in new Git revision.
+            :param: sect: section to calculate from `size` tool. This could be
+                          any instance variable in SizeEntry.
+            :return: List of [section size of objects for new Git revision,
+                     section size of objects for old Git revision,
+                     section size change of objects between two Git revisions]
+            """
+            if old_size and new_size:
+                new_attr = new_size.__dict__[sect]
+                old_attr = old_size.__dict__[sect]
+                delta = new_attr - old_attr
+                change_attr = '{0:{1}}'.format(delta, '+' if delta else '')
+            elif old_size:
+                new_attr = 'Removed'
+                old_attr = old_size.__dict__[sect]
+                delta = - old_attr
+                change_attr = '{0:{1}}'.format(delta, '+' if delta else '')
+            elif new_size:
+                new_attr = new_size.__dict__[sect]
+                old_attr = 'NotCreated'
+                delta = new_attr
+                change_attr = '{0:{1}}'.format(delta, '+' if delta else '')
             else:
-                output.write("{} {}\n".format(fname, new_size))
+                # Should never happen
+                new_attr = 'Error'
+                old_attr = 'Error'
+                change_attr = 'Error'
+            return [new_attr, old_attr, change_attr]
+
+        # sort dictionary by key
+        sort_by_k = lambda item: item[0].lower()
+        def get_results(
+                f_rev_size:
+                typing.Dict[str,
+                            typing.Dict[str,
+                                        CodeSizeGeneratorWithSize.SizeEntry]]
+            ) -> typing.List:
+            """Return List of results in the format of:
+            [filename, new(text), old(text), change(text),
+             new(data), old(data), change(data)]
+            """
+            res = []
+            for fname, revs_size in sorted(f_rev_size.items(), key=sort_by_k):
+                old_size = revs_size.get(old_rev)
+                new_size = revs_size.get(new_rev)
+
+                text_sect = cal_sect_change(old_size, new_size, 'text')
+                data_sect = cal_sect_change(old_size, new_size, 'data')
+                # skip the files that haven't changed in code size
+                if not show_all and text_sect[-1] == '0' and data_sect[-1] == '0':
+                    continue
+
+                res.append([fname, *text_sect, *data_sect])
+            return res
+
+        # write header
+        output.write(line_format.format(*header_line))
+        if with_markdown:
+            output.write(line_format.format(*dash_line))
+        for mod in MBEDTLS_STATIC_LIB:
+        # convert self.code_size to:
+        # {
+        #   file_name: {
+        #       old_rev: SizeEntry,
+        #       new_rev: SizeEntry
+        #   },
+        #   ...
+        # }
+            f_rev_size = {} #type: typing.Dict[str, typing.Dict]
+            for fname, size_entry in self.code_size[old_rev][mod].items():
+                f_rev_size.setdefault(fname, {}).update({old_rev: size_entry})
+            for fname, size_entry in self.code_size[new_rev][mod].items():
+                f_rev_size.setdefault(fname, {}).update({new_rev: size_entry})
+
+            mod_total_sz = f_rev_size.pop(mod + self.mod_total_suffix)
+            res = get_results(f_rev_size)
+            total_clm = get_results({mod + self.mod_total_suffix: mod_total_sz})
+            if with_markdown:
+                # bold row of mod-TOTALS in markdown table
+                total_clm = [[bold_text(j) for j in i] for i in total_clm]
+            res += total_clm
+
+            # write comparison result
+            for line in res:
+                output.write(line_format.format(*line))
 
 
-class CodeSizeComparison(CodeSizeBase):
+class CodeSizeComparison:
     """Compare code size between two Git revisions."""
 
-    def __init__(
+    def __init__( #pylint: disable=too-many-arguments
             self,
-            old_revision: str,
-            new_revision: str,
-            result_dir: str,
-            code_size_info: CodeSizeInfo
+            old_size_dist_info: CodeSizeDistinctInfo,
+            new_size_dist_info: CodeSizeDistinctInfo,
+            size_common_info: CodeSizeCommonInfo,
+            result_options: CodeSizeResultInfo,
+            logger: logging.Logger,
     ) -> None:
         """
-        old_revision: revision to compare against.
-        new_revision:
-        result_dir: directory for comparison result.
-        code_size_info: an object containing information to build library.
+        :param old_size_dist_info: CodeSizeDistinctInfo containing old distinct
+                                   info to compare code size with.
+        :param new_size_dist_info: CodeSizeDistinctInfo containing new distinct
+                                   info to take as comparision base.
+        :param size_common_info: CodeSizeCommonInfo containing common info for
+                                 both old and new size distinct info and
+                                 measurement tool.
+        :param result_options: CodeSizeResultInfo containing results options for
+                               code size record and comparision.
+        :param logger: logging module
         """
-        super().__init__()
-        self.repo_path = "."
-        self.result_dir = os.path.abspath(result_dir)
-        os.makedirs(self.result_dir, exist_ok=True)
 
-        self.csv_dir = os.path.abspath("code_size_records/")
+        self.logger = logger
+
+        self.old_size_dist_info = old_size_dist_info
+        self.new_size_dist_info = new_size_dist_info
+        self.size_common_info = size_common_info
+        # infer pre make command
+        self.old_size_dist_info.pre_make_cmd = CodeSizeBuildInfo(
+            self.old_size_dist_info, self.size_common_info.host_arch,
+            self.logger).infer_pre_make_command()
+        self.new_size_dist_info.pre_make_cmd = CodeSizeBuildInfo(
+            self.new_size_dist_info, self.size_common_info.host_arch,
+            self.logger).infer_pre_make_command()
+        # infer make command
+        self.old_size_dist_info.make_cmd = CodeSizeBuildInfo(
+            self.old_size_dist_info, self.size_common_info.host_arch,
+            self.logger).infer_make_command()
+        self.new_size_dist_info.make_cmd = CodeSizeBuildInfo(
+            self.new_size_dist_info, self.size_common_info.host_arch,
+            self.logger).infer_make_command()
+        # initialize size parser with corresponding measurement tool
+        self.code_size_generator = self.__generate_size_parser()
+
+        self.result_options = result_options
+        self.csv_dir = os.path.abspath(self.result_options.record_dir)
         os.makedirs(self.csv_dir, exist_ok=True)
+        self.comp_dir = os.path.abspath(self.result_options.comp_dir)
+        os.makedirs(self.comp_dir, exist_ok=True)
 
-        self.old_rev = old_revision
-        self.new_rev = new_revision
-        self.git_command = "git"
-        self.make_clean = 'make clean'
-        self.make_command = code_size_info.make_command
-        self.fname_suffix = "-" + code_size_info.arch + "-" +\
-                            code_size_info.config
-
-    @staticmethod
-    def validate_revision(revision: str) -> bytes:
-        result = subprocess.check_output(["git", "rev-parse", "--verify",
-                                          revision + "^{commit}"], shell=False)
-        return result
-
-    def _create_git_worktree(self, revision: str) -> str:
-        """Make a separate worktree for revision.
-        Do not modify the current worktree."""
-
-        if revision == "current":
-            print("Using current work directory")
-            git_worktree_path = self.repo_path
+    def __generate_size_parser(self):
+        """Generate a parser for the corresponding measurement tool."""
+        if re.match(r'size', self.size_common_info.measure_cmd.strip()):
+            return CodeSizeGeneratorWithSize(self.logger)
         else:
-            print("Creating git worktree for", revision)
-            git_worktree_path = os.path.join(self.repo_path, "temp-" + revision)
-            subprocess.check_output(
-                [self.git_command, "worktree", "add", "--detach",
-                 git_worktree_path, revision], cwd=self.repo_path,
-                stderr=subprocess.STDOUT
-            )
+            self.logger.error("Unsupported measurement tool: `{}`."
+                              .format(self.size_common_info.measure_cmd
+                                      .strip().split(' ')[0]))
+            sys.exit(1)
 
-        return git_worktree_path
+    def cal_code_size(
+            self,
+            size_dist_info: CodeSizeDistinctInfo
+        ) -> typing.Dict[str, str]:
+        """Calculate code size of library/*.o in a UTF-8 encoding"""
 
-    def _build_libraries(self, git_worktree_path: str) -> None:
-        """Build libraries in the specified worktree."""
+        return CodeSizeCalculator(size_dist_info.git_rev,
+                                  size_dist_info.pre_make_cmd,
+                                  size_dist_info.make_cmd,
+                                  self.size_common_info.measure_cmd,
+                                  self.logger).cal_libraries_code_size()
 
-        my_environment = os.environ.copy()
-        try:
-            subprocess.check_output(
-                self.make_clean, env=my_environment, shell=True,
-                cwd=git_worktree_path, stderr=subprocess.STDOUT,
-            )
-            subprocess.check_output(
-                self.make_command, env=my_environment, shell=True,
-                cwd=git_worktree_path, stderr=subprocess.STDOUT,
-            )
-        except subprocess.CalledProcessError as e:
-            self._handle_called_process_error(e, git_worktree_path)
+    def gen_code_size_report(self, size_dist_info: CodeSizeDistinctInfo) -> None:
+        """Generate code size record and write it into a file."""
 
-    def _gen_code_size_csv(self, revision: str, git_worktree_path: str) -> None:
-        """Generate code size csv file."""
-
-        if revision == "current":
-            print("Measuring code size in current work directory")
-        else:
-            print("Measuring code size for", revision)
-
-        for mod, st_lib in MBEDTLS_STATIC_LIB.items():
-            try:
-                result = subprocess.check_output(
-                    ["size", st_lib, "-t"], cwd=git_worktree_path
-                )
-            except subprocess.CalledProcessError as e:
-                self._handle_called_process_error(e, git_worktree_path)
-            size_text = result.decode("utf-8")
-
-            self.set_size_record(revision, mod, size_text)
-
-        print("Generating code size csv for", revision)
-        csv_file = open(os.path.join(self.csv_dir, revision +
-                                     self.fname_suffix + ".csv"), "w")
-        self.write_size_record(revision, csv_file)
-
-    def _remove_worktree(self, git_worktree_path: str) -> None:
-        """Remove temporary worktree."""
-        if git_worktree_path != self.repo_path:
-            print("Removing temporary worktree", git_worktree_path)
-            subprocess.check_output(
-                [self.git_command, "worktree", "remove", "--force",
-                 git_worktree_path], cwd=self.repo_path,
-                stderr=subprocess.STDOUT
-            )
-
-    def _get_code_size_for_rev(self, revision: str) -> None:
-        """Generate code size csv file for the specified git revision."""
-
+        self.logger.info("Start to generate code size record for {}."
+                         .format(size_dist_info.git_rev))
+        output_file = os.path.join(
+            self.csv_dir,
+            '{}-{}.csv'
+            .format(size_dist_info.get_info_indication(),
+                    self.size_common_info.get_info_indication()))
         # Check if the corresponding record exists
-        csv_fname = revision + self.fname_suffix +  ".csv"
-        if (revision != "current") and \
-           os.path.exists(os.path.join(self.csv_dir, csv_fname)):
-            print("Code size csv file for", revision, "already exists.")
-            self.read_size_record(revision, os.path.join(self.csv_dir, csv_fname))
+        if size_dist_info.git_rev != "current" and \
+           os.path.exists(output_file):
+            self.logger.debug("Code size csv file for {} already exists."
+                              .format(size_dist_info.git_rev))
+            self.code_size_generator.read_size_record(
+                size_dist_info.git_rev, output_file)
         else:
-            git_worktree_path = self._create_git_worktree(revision)
-            self._build_libraries(git_worktree_path)
-            self._gen_code_size_csv(revision, git_worktree_path)
-            self._remove_worktree(git_worktree_path)
+            # measure code size
+            code_size_text = self.cal_code_size(size_dist_info)
 
-    def _gen_code_size_comparison(self) -> int:
-        """Generate results of the size changes between two revisions,
-        old and new. Measured code size results of these two revisions
-        must be available."""
+            self.logger.debug("Generating code size csv for {}."
+                              .format(size_dist_info.git_rev))
+            output = open(output_file, "w")
+            self.code_size_generator.write_record(
+                size_dist_info.git_rev, code_size_text, output)
 
-        res_file = open(os.path.join(self.result_dir, "compare-" +
-                                     self.old_rev + "-" + self.new_rev +
-                                     self.fname_suffix +
-                                     ".csv"), "w")
+    def gen_code_size_comparison(self) -> None:
+        """Generate results of code size changes between two Git revisions,
+        old and new.
 
-        print("\nGenerating comparison results between",\
-                self.old_rev, "and", self.new_rev)
-        self.write_comparison(self.old_rev, self.new_rev, res_file)
+        - Measured code size result of these two Git revisions must be available.
+        - The result is directed into either file / stdout depending on
+          the option, size_common_info.result_options.stdout. (Default: file)
+        """
 
-        return 0
+        self.logger.info("Start to generate comparision result between "\
+                         "{} and {}."
+                         .format(self.old_size_dist_info.git_rev,
+                                 self.new_size_dist_info.git_rev))
+        if self.result_options.stdout:
+            output = sys.stdout
+        else:
+            output_file = os.path.join(
+                self.comp_dir,
+                '{}-{}-{}.{}'
+                .format(self.old_size_dist_info.get_info_indication(),
+                        self.new_size_dist_info.get_info_indication(),
+                        self.size_common_info.get_info_indication(),
+                        'md' if self.result_options.with_markdown else 'csv'))
+            output = open(output_file, "w")
 
-    def get_comparision_results(self) -> int:
-        """Compare size of library/*.o between self.old_rev and self.new_rev,
-        and generate the result file."""
+        self.logger.debug("Generating comparison results between {} and {}."
+                          .format(self.old_size_dist_info.git_rev,
+                                  self.new_size_dist_info.git_rev))
+        if self.result_options.with_markdown or self.result_options.stdout:
+            print("Measure code size between {} and {} by `{}`."
+                  .format(self.old_size_dist_info.get_info_indication(),
+                          self.new_size_dist_info.get_info_indication(),
+                          self.size_common_info.get_info_indication()),
+                  file=output)
+        self.code_size_generator.write_comparison(
+            self.old_size_dist_info.git_rev,
+            self.new_size_dist_info.git_rev,
+            output, self.result_options.with_markdown,
+            self.result_options.show_all)
+
+    def get_comparision_results(self) -> None:
+        """Compare size of library/*.o between self.old_size_dist_info and
+        self.old_size_dist_info and generate the result file."""
         build_tree.check_repo_path()
-        self._get_code_size_for_rev(self.old_rev)
-        self._get_code_size_for_rev(self.new_rev)
-        return self._gen_code_size_comparison()
-
-    def _handle_called_process_error(self, e: subprocess.CalledProcessError,
-                                     git_worktree_path: str) -> None:
-        """Handle a CalledProcessError and quit the program gracefully.
-        Remove any extra worktrees so that the script may be called again."""
-
-        # Tell the user what went wrong
-        print("The following command: {} failed and exited with code {}"
-              .format(e.cmd, e.returncode))
-        print("Process output:\n {}".format(str(e.output, "utf-8")))
-
-        # Quit gracefully by removing the existing worktree
-        self._remove_worktree(git_worktree_path)
-        sys.exit(-1)
+        self.gen_code_size_report(self.old_size_dist_info)
+        self.gen_code_size_report(self.new_size_dist_info)
+        self.gen_code_size_comparison()
 
 def main():
     parser = argparse.ArgumentParser(description=(__doc__))
@@ -412,55 +873,92 @@
         'required arguments',
         'required arguments to parse for running ' + os.path.basename(__file__))
     group_required.add_argument(
-        "-o", "--old-rev", type=str, required=True,
-        help="old revision for comparison.")
+        '-o', '--old-rev', type=str, required=True,
+        help='old Git revision for comparison.')
 
     group_optional = parser.add_argument_group(
         'optional arguments',
         'optional arguments to parse for running ' + os.path.basename(__file__))
     group_optional.add_argument(
-        "-r", "--result-dir", type=str, default="comparison",
-        help="directory where comparison result is stored, \
-              default is comparison")
+        '--record-dir', type=str, default='code_size_records',
+        help='directory where code size record is stored. '
+             '(Default: code_size_records)')
     group_optional.add_argument(
-        "-n", "--new-rev", type=str, default=None,
-        help="new revision for comparison, default is the current work \
-              directory, including uncommitted changes.")
+        '--comp-dir', type=str, default='comparison',
+        help='directory where comparison result is stored. '
+             '(Default: comparison)')
     group_optional.add_argument(
-        "-a", "--arch", type=str, default=detect_arch(),
+        '-n', '--new-rev', type=str, default='current',
+        help='new Git revision as comparison base. '
+             '(Default is the current work directory, including uncommitted '
+             'changes.)')
+    group_optional.add_argument(
+        '-a', '--arch', type=str, default=detect_arch(),
         choices=list(map(lambda s: s.value, SupportedArch)),
-        help="specify architecture for code size comparison, default is the\
-              host architecture.")
+        help='Specify architecture for code size comparison. '
+             '(Default is the host architecture.)')
     group_optional.add_argument(
-        "-c", "--config", type=str, default=SupportedConfig.DEFAULT.value,
+        '-c', '--config', type=str, default=SupportedConfig.DEFAULT.value,
         choices=list(map(lambda s: s.value, SupportedConfig)),
-        help="specify configuration type for code size comparison,\
-              default is the current MbedTLS configuration.")
+        help='Specify configuration type for code size comparison. '
+             '(Default is the current MbedTLS configuration.)')
+    group_optional.add_argument(
+        '--markdown', action='store_true', dest='markdown',
+        help='Show comparision of code size in a markdown table. '
+             '(Only show the files that have changed).')
+    group_optional.add_argument(
+        '--stdout', action='store_true', dest='stdout',
+        help='Set this option to direct comparison result into sys.stdout. '
+             '(Default: file)')
+    group_optional.add_argument(
+        '--show-all', action='store_true', dest='show_all',
+        help='Show all the objects in comparison result, including the ones '
+             'that haven\'t changed in code size. (Default: False)')
+    group_optional.add_argument(
+        '--verbose', action='store_true', dest='verbose',
+        help='Show logs in detail for code size measurement. '
+             '(Default: False)')
     comp_args = parser.parse_args()
 
-    if os.path.isfile(comp_args.result_dir):
-        print("Error: {} is not a directory".format(comp_args.result_dir))
-        parser.exit()
+    logger = logging.getLogger()
+    logging_util.configure_logger(logger, split_level=logging.NOTSET)
+    logger.setLevel(logging.DEBUG if comp_args.verbose else logging.INFO)
 
-    validate_res = CodeSizeComparison.validate_revision(comp_args.old_rev)
-    old_revision = validate_res.decode().replace("\n", "")
+    if os.path.isfile(comp_args.record_dir):
+        logger.error("record directory: {} is not a directory"
+                     .format(comp_args.record_dir))
+        sys.exit(1)
+    if os.path.isfile(comp_args.comp_dir):
+        logger.error("comparison directory: {} is not a directory"
+                     .format(comp_args.comp_dir))
+        sys.exit(1)
 
-    if comp_args.new_rev is not None:
-        validate_res = CodeSizeComparison.validate_revision(comp_args.new_rev)
-        new_revision = validate_res.decode().replace("\n", "")
-    else:
-        new_revision = "current"
+    comp_args.old_rev = CodeSizeCalculator.validate_git_revision(
+        comp_args.old_rev)
+    if comp_args.new_rev != 'current':
+        comp_args.new_rev = CodeSizeCalculator.validate_git_revision(
+            comp_args.new_rev)
 
-    code_size_info = CodeSizeInfo(comp_args.arch, comp_args.config,
-                                  detect_arch())
-    print("Measure code size for architecture: {}, configuration: {}\n"
-          .format(code_size_info.arch, code_size_info.config))
-    result_dir = comp_args.result_dir
-    size_compare = CodeSizeComparison(old_revision, new_revision, result_dir,
-                                      code_size_info)
-    return_code = size_compare.get_comparision_results()
-    sys.exit(return_code)
+    # version, git_rev, arch, config, compiler, opt_level
+    old_size_dist_info = CodeSizeDistinctInfo(
+        'old', comp_args.old_rev, comp_args.arch, comp_args.config, 'cc', '-Os')
+    new_size_dist_info = CodeSizeDistinctInfo(
+        'new', comp_args.new_rev, comp_args.arch, comp_args.config, 'cc', '-Os')
+    # host_arch, measure_cmd
+    size_common_info = CodeSizeCommonInfo(
+        detect_arch(), 'size -t')
+    # record_dir, comp_dir, with_markdown, stdout, show_all
+    result_options = CodeSizeResultInfo(
+        comp_args.record_dir, comp_args.comp_dir,
+        comp_args.markdown, comp_args.stdout, comp_args.show_all)
 
+    logger.info("Measure code size between {} and {} by `{}`."
+                .format(old_size_dist_info.get_info_indication(),
+                        new_size_dist_info.get_info_indication(),
+                        size_common_info.get_info_indication()))
+    CodeSizeComparison(old_size_dist_info, new_size_dist_info,
+                       size_common_info, result_options,
+                       logger).get_comparision_results()
 
 if __name__ == "__main__":
     main()
diff --git a/scripts/mbedtls_dev/logging_util.py b/scripts/mbedtls_dev/logging_util.py
new file mode 100644
index 0000000..db1ebfe
--- /dev/null
+++ b/scripts/mbedtls_dev/logging_util.py
@@ -0,0 +1,57 @@
+"""Auxiliary functions used for logging module.
+"""
+
+# Copyright The Mbed TLS Contributors
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import logging
+import sys
+
+def configure_logger(
+        logger: logging.Logger,
+        log_format="[%(levelname)s]: %(message)s",
+        split_level=logging.WARNING
+    ) -> None:
+    """
+    Configure the logging.Logger instance so that:
+        - Format is set to any log_format.
+            Default: "[%(levelname)s]: %(message)s"
+        - loglevel >= split_level are printed to stderr.
+        - loglevel <  split_level are printed to stdout.
+            Default: logging.WARNING
+    """
+    class MaxLevelFilter(logging.Filter):
+        # pylint: disable=too-few-public-methods
+        def __init__(self, max_level, name=''):
+            super().__init__(name)
+            self.max_level = max_level
+
+        def filter(self, record: logging.LogRecord) -> bool:
+            return record.levelno <= self.max_level
+
+    log_formatter = logging.Formatter(log_format)
+
+    # set loglevel >= split_level to be printed to stderr
+    stderr_hdlr = logging.StreamHandler(sys.stderr)
+    stderr_hdlr.setLevel(split_level)
+    stderr_hdlr.setFormatter(log_formatter)
+
+    # set loglevel < split_level to be printed to stdout
+    stdout_hdlr = logging.StreamHandler(sys.stdout)
+    stdout_hdlr.addFilter(MaxLevelFilter(split_level - 1))
+    stdout_hdlr.setFormatter(log_formatter)
+
+    logger.addHandler(stderr_hdlr)
+    logger.addHandler(stdout_hdlr)
diff --git a/tests/data_files/Makefile b/tests/data_files/Makefile
index 5230a30..b5f0844 100644
--- a/tests/data_files/Makefile
+++ b/tests/data_files/Makefile
@@ -60,6 +60,14 @@
 	$(OPENSSL) pkey -in $< -out $@ -inform PEM -outform DER -passin "pass:$(test_ca_pwd_rsa)"
 all_final += test-ca.key.der
 
+# This is only used for generating cert_example_multi_nocn.crt
+test-ca_nocn.crt: $(test_ca_key_file_rsa)
+	$(MBEDTLS_CERT_WRITE) is_ca=1 serial=3 selfsign=1 \
+		subject_key=$(test_ca_key_file_rsa) subject_pwd=$(test_ca_pwd_rsa)  subject_name="C=NL" \
+		issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) issuer_name="C=NL" \
+		not_before=20190210144400 not_after=20290210144400 md=SHA1 version=3 output_file=$@
+all_intermediate += test-ca_nocn.crt
+
 test-ca-sha1.crt: $(test_ca_key_file_rsa) test-ca.req.sha256
 	$(MBEDTLS_CERT_WRITE) is_ca=1 serial=3 request_file=test-ca.req.sha256 selfsign=1 issuer_name="C=NL,O=PolarSSL,CN=PolarSSL Test CA" issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) not_before=20190210144400 not_after=20290210144400 md=SHA1 version=3 output_file=$@
 all_final += test-ca-sha1.crt
@@ -99,6 +107,16 @@
 		-passin "pass:$(test_ca_pwd_rsa)" -set_serial 17 -days 3653 -sha256 \
 		-in $< > $@
 
+cert_example_multi_nocn.csr: rsa_pkcs1_1024_clear.pem
+	$(MBEDTLS_CERT_REQ) filename=$< output_file=$@ subject_name='C=NL'
+all_intermediate += cert_example_multi_nocn.csr
+
+parse_input/cert_example_multi_nocn.crt cert_example_multi_nocn.crt: cert_example_multi_nocn.csr test-ca_nocn.crt
+	$(OPENSSL) x509 -req -CA test-ca_nocn.crt -CAkey $(test_ca_key_file_rsa) \
+		-extfile $(test_ca_config_file) -extensions ext_multi_nocn -passin "pass:$(test_ca_pwd_rsa)" \
+		-set_serial  0xf7c67ff8e9a963f9 -days 3653 -sha1 -in $< > $@
+all_final += cert_example_multi_nocn.crt
+
 parse_input/test_csr_v3_keyUsage.csr.der: rsa_pkcs1_1024_clear.pem
 	$(OPENSSL) req -new -subj '/CN=etcd' -config $(test_ca_config_file) -key rsa_pkcs1_1024_clear.pem -outform DER -out $@ -reqexts csr_ext_v3_keyUsage
 parse_input/test_csr_v3_subjectAltName.csr.der: rsa_pkcs1_1024_clear.pem
@@ -168,13 +186,28 @@
 test_ca_key_file_ec = test-ca2.key
 
 test-ca2.req.sha256: $(test_ca_key_file_ec)
-	$(MBEDTLS_CERT_REQ) output_file=$@ filename=$(test_ca_key_file_ec) subject_name="C=NL,O=PolarSSL,CN=Polarssl Test EC CA" md=SHA256
+	$(MBEDTLS_CERT_REQ) output_file=$@ filename=$(test_ca_key_file_ec) \
+	subject_name="C=NL,O=PolarSSL,CN=Polarssl Test EC CA" md=SHA256
 all_intermediate += test-ca2.req.sha256
 
 test-ca2.crt: $(test_ca_key_file_ec) test-ca2.req.sha256
-	$(MBEDTLS_CERT_WRITE) is_ca=1 serial=13926223505202072808 request_file=test-ca2.req.sha256 selfsign=1 issuer_name="C=NL,O=PolarSSL,CN=Polarssl Test EC CA" issuer_key=$(test_ca_key_file_ec) not_before=20190210144400 not_after=20290210144400 md=SHA256 version=3 output_file=$@
+	$(MBEDTLS_CERT_WRITE) is_ca=1 serial=13926223505202072808 selfsign=1 \
+		request_file=test-ca2.req.sha256 \
+		issuer_name="C=NL,O=PolarSSL,CN=Polarssl Test EC CA" \
+		issuer_key=$(test_ca_key_file_ec) \
+		not_before=20190210144400 not_after=20290210144400 \
+		md=SHA256 version=3 output_file=$@
 all_final += test-ca2.crt
 
+test-ca2.ku-%.crt: test-ca2.ku-%.crt.openssl.v3_ext $(test_ca_key_file_ec) test-ca2.req.sha256
+	$(OPENSSL) x509 -req -in test-ca2.req.sha256 -extfile $< \
+		-signkey $(test_ca_key_file_ec) -days 3653 -out $@
+
+all_final += test-ca2.ku-crl.crt \
+			 test-ca2.ku-crt.crt \
+			 test-ca2.ku-crt_crl.crt \
+			 test-ca2.ku-ds.crt
+
 test-ca2-future.crt: $(test_ca_key_file_ec) test-ca2.req.sha256
 	$(MBEDTLS_CERT_WRITE) is_ca=1 serial=13926223505202072808 request_file=test-ca2.req.sha256 selfsign=1 \
 		issuer_name="C=NL,O=PolarSSL,CN=Polarssl Test EC CA" issuer_key=$(test_ca_key_file_ec) \
@@ -199,10 +232,14 @@
 all_final += $(test_ca_ec_cat)
 
 parse_input/test-ca-any_policy.crt: $(test_ca_key_file_rsa) test-ca.req.sha256
-	$(OPENSSL) req -x509 -config $(test_ca_config_file) -extensions v3_any_policy_ca -key $(test_ca_key_file_rsa) -passin "pass:$(test_ca_pwd_rsa)" -set_serial 0 -days 3653 -sha256 -in test-ca.req.sha256 -out $@
+	$(OPENSSL) req -x509 -config $(test_ca_config_file) -extensions v3_any_policy_ca \
+		-key $(test_ca_key_file_rsa) -passin "pass:$(test_ca_pwd_rsa)" \
+		-set_serial 0 -days 3653 -sha256 -in test-ca.req.sha256 -out $@
 
 parse_input/test-ca-any_policy_ec.crt: $(test_ca_key_file_ec) test-ca.req_ec.sha256
-	$(OPENSSL) req -x509 -config $(test_ca_config_file) -extensions v3_any_policy_ca -key $(test_ca_key_file_ec) -set_serial 0 -days 3653 -sha256 -in test-ca.req_ec.sha256 -out $@
+	$(OPENSSL) req -x509 -config $(test_ca_config_file) -extensions v3_any_policy_ca \
+		-key $(test_ca_key_file_ec) -set_serial 0 -days 3653 -sha256 \
+		-in test-ca.req_ec.sha256 -out $@
 
 parse_input/test-ca-any_policy_with_qualifier.crt: $(test_ca_key_file_rsa) test-ca.req.sha256
 	$(OPENSSL) req -x509 -config $(test_ca_config_file) -extensions v3_any_policy_qualifier_ca -key $(test_ca_key_file_rsa) -passin "pass:$(test_ca_pwd_rsa)" -set_serial 0 -days 3653 -sha256 -in test-ca.req.sha256 -out $@
@@ -414,9 +451,23 @@
 
 # try to forge a copy of test-int-ca3 with different key
 server5-ss-forgeca.crt: server5.key
-	$(FAKETIME) '2015-09-01 14:08:43' $(OPENSSL) req -x509 -new -subj "/C=UK/O=mbed TLS/CN=mbed TLS Test intermediate CA 3" -set_serial 77 -config $(test_ca_config_file) -extensions noext_ca -days 3650 -sha256 -key $< -out $@
+	$(OPENSSL) req -x509 -new -subj "/C=UK/O=mbed TLS/CN=mbed TLS Test intermediate CA 3" \
+		-set_serial 77 -config $(test_ca_config_file) -extensions noext_ca \
+		-days 3650 -sha256 -key $< -out $@
 all_final += server5-ss-forgeca.crt
 
+server5-selfsigned.crt: server5.key
+	openssl req -x509 -key server5.key \
+        -sha256 -days 3650 -nodes \
+        -addext basicConstraints=critical,CA:FALSE \
+        -addext keyUsage=critical,digitalSignature \
+        -addext subjectKeyIdentifier=hash   \
+        -addext authorityKeyIdentifier=none \
+        -set_serial 0x53a2cb4b124ead837da894b2 \
+        -subj "/CN=selfsigned/OU=testing/O=PolarSSL/C=NL" \
+        -out $@
+all_final += server5-selfsigned.crt
+
 parse_input/server5-othername.crt.der: server5.key
 	$(OPENSSL) req -x509 -new -subj "/C=UK/O=Mbed TLS/CN=Mbed TLS othername SAN" -set_serial 77 -config $(test_ca_config_file) -extensions othername_san -days 3650 -sha256 -key $< -outform der -out $@
 
@@ -486,6 +537,59 @@
 	{ head -n-2 $<; tail -n-2 $< | sed -e '1s/0\(=*\)$$/_\1/' -e '1s/[^_=]\(=*\)$$/0\1/' -e '1s/_/1/'; } > $@
 all_final += test-int-ca3-badsign.crt
 
+# server9*
+
+server9.csr: server9.key
+	$(OPENSSL) req -new -subj "/C=NL/O=PolarSSL/CN=localhost" \
+					-key $< -out $@
+parse_input/server9.crt server9.crt: server9-sha1.crt
+	cp $< $@
+all_final += server9.crt
+all_intermediate += server9.csr server9-sha1.crt
+
+server9-%.crt: server9.csr $(test_ca_crt) $(test_ca_key_file_rsa)
+	$(OPENSSL) x509 -req -extfile $(cli_crt_extensions_file) -extensions cli-rsa \
+		-passin "pass:$(test_ca_pwd_rsa)" -CA $(test_ca_crt) -CAkey $(test_ca_key_file_rsa) \
+		-set_serial $(SERVER9_CRT_SERIAL) -days 3653 \
+		-sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:max \
+		-sigopt rsa_mgf1_md:$(@F:server9-%.crt=%) -$(@F:server9-%.crt=%) \
+		-in $< -out $@
+server9-sha1.crt: SERVER9_CRT_SERIAL=22
+parse_input/server9-sha224.crt server9-sha224.crt: SERVER9_CRT_SERIAL=23
+parse_input/server9-sha256.crt server9-sha256.crt: SERVER9_CRT_SERIAL=24
+parse_input/server9-sha384.crt server9-sha384.crt: SERVER9_CRT_SERIAL=25
+parse_input/server9-sha512.crt server9-sha512.crt: SERVER9_CRT_SERIAL=26
+all_final += server9-sha224.crt server9-sha256.crt server9-sha384.crt server9-sha512.crt
+
+server9-defaults.crt: server9.csr $(test_ca_crt) $(test_ca_key_file_rsa)
+	$(OPENSSL) x509 -req -extfile $(cli_crt_extensions_file) -extensions cli-rsa \
+		-passin "pass:$(test_ca_pwd_rsa)" -CA $(test_ca_crt) -CAkey $(test_ca_key_file_rsa) \
+		-set_serial 72 -days 3653 \
+		-sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:max -sha1 \
+		-in $< -out $@
+all_final += server9-defaults.crt
+
+server9-badsign.crt: server9.crt
+	{ head -n-2 $<; tail -n-2 $< | sed -e '1s/0\(=*\)$$/_\1/' -e '1s/[^_=]\(=*\)$$/0\1/' -e '1s/_/1/'; } > $@
+all_final += server9-badsign.crt
+
+server9-with-ca.crt: server9.crt $(test_ca_crt)
+	cat $^ > $@
+all_final += server9-with-ca.crt
+
+# FIXME: This file needs special sequence. It should be update manually
+server9-bad-saltlen.crt: server9.csr $(test_ca_crt) $(test_ca_key_file_rsa)
+	false
+
+server9-bad-mgfhash.crt: server9.csr $(test_ca_crt) $(test_ca_key_file_rsa)
+	$(OPENSSL) x509 -req -extfile $(cli_crt_extensions_file) -extensions cli-rsa \
+		-passin "pass:$(test_ca_pwd_rsa)" -CA $(test_ca_crt) -CAkey $(test_ca_key_file_rsa) \
+		-set_serial 24 -days 3653 \
+		-sigopt rsa_padding_mode:pss -sigopt rsa_pss_saltlen:max \
+		-sigopt rsa_mgf1_md:sha224 -sha256 \
+		-in $< -out $@
+all_final += server9-bad-mgfhash.crt
+
 # server10*
 
 server10.crt: server10.key test-int-ca3.crt test-int-ca3.key
@@ -1304,8 +1408,7 @@
 
 server1.req.sha256.ext: server1.key
 	# Generating this with OpenSSL as a comparison point to test we're getting the same result
-	openssl req -new -out $@ -key $< -subj '/C=NL/O=PolarSSL/CN=PolarSSL Server 1' -sha256 -addext "extendedKeyUsage=serverAuth" -addext "subjectAltName=URI:http://pki.example.com/,IP:127.1.1.0,DNS:example.com"
-all_final += server1.req.sha256.ext
+	openssl req -new -out $@ -key $< -subj '/C=NL/O=PolarSSL/CN=PolarSSL Server 1' -sha256 -config server1.req.sha256.conf
 
 parse_input/server1.req.sha384 server1.req.sha384: server1.key
 	$(MBEDTLS_CERT_REQ) output_file=$@ filename=$< subject_name="C=NL,O=PolarSSL,CN=PolarSSL Server 1" md=SHA384
@@ -1388,6 +1491,32 @@
 	$(OPENSSL) req -key $< -out $@ -new -nodes -subj "/C=NL/O=PolarSSL/CN=PolarSSL Server 1" -sha1 -addext keyUsage=digitalSignature,nonRepudiation
 all_final += server5.req.ku.sha1
 
+server5.ku-ds.crt: SERVER5_CRT_SERIAL=45
+server5.ku-ds.crt: SERVER5_KEY_USAGE=digital_signature
+server5.ku-ka.crt: SERVER5_CRT_SERIAL=46
+server5.ku-ka.crt: SERVER5_KEY_USAGE=key_agreement
+server5.ku-ke.crt: SERVER5_CRT_SERIAL=47
+server5.ku-ke.crt: SERVER5_KEY_USAGE=key_encipherment
+server5.eku-cs.crt: SERVER5_CRT_SERIAL=58
+server5.eku-cs.crt: SERVER5_EXT_KEY_USAGE=codeSigning
+server5.eku-cs_any.crt: SERVER5_CRT_SERIAL=59
+server5.eku-cs_any.crt: SERVER5_EXT_KEY_USAGE=codeSigning,any
+server5.eku-cli.crt: SERVER5_CRT_SERIAL=60
+server5.eku-cli.crt: SERVER5_EXT_KEY_USAGE=clientAuth
+server5.eku-srv_cli.crt: SERVER5_CRT_SERIAL=61
+server5.eku-srv_cli.crt: SERVER5_EXT_KEY_USAGE=serverAuth,clientAuth
+server5.eku-srv.crt: SERVER5_CRT_SERIAL=62
+server5.eku-srv.crt: SERVER5_EXT_KEY_USAGE=serverAuth
+server5.ku-%.crt: SERVER5_EXT_OPTS=key_usage=$(SERVER5_KEY_USAGE)
+server5.eku-%.crt: SERVER5_EXT_OPTS=ext_key_usage=$(SERVER5_EXT_KEY_USAGE)
+server5.%.crt: server5.key
+	$(MBEDTLS_CERT_WRITE) \
+		subject_key=$< subject_name="C=NL,O=PolarSSL,CN=localhost" serial=$(SERVER5_CRT_SERIAL) \
+		issuer_crt=$(test_ca_crt_file_ec) issuer_key=$(test_ca_key_file_ec) $(SERVER5_EXT_OPTS) \
+		not_before=20190210144406 not_after=20290210144406 md=SHA256 version=3 output_file=$@
+all_final += server5.ku-ka.crt server5.ku-ke.crt server5.ku-ds.crt
+all_final += server5.eku-cs.crt server5.eku-cs_any.crt server5.eku-cli.crt server5.eku-srv_cli.crt server5.eku-srv.crt
+
 # server6*
 
 server6.csr: server6.key
@@ -1399,6 +1528,18 @@
 				-extfile server5.crt.openssl.v3_ext -set_serial 10 -days 3650 -sha256 -in $< -out $@
 all_final += server6.crt
 
+server6-ss-child.csr : server6.key
+	$(OPENSSL) req -new -subj "/CN=selfsigned-child/OU=testing/O=PolarSSL/C=NL" \
+		-key $< -out $@
+all_intermediate += server6-ss-child.csr
+server6-ss-child.crt: server6-ss-child.csr server5-selfsigned.crt server5.key server6-ss-child.crt.openssl.v3_ext
+	$(OPENSSL) x509 -req -CA server5-selfsigned.crt -CAkey server5.key \
+				-extfile server6-ss-child.crt.openssl.v3_ext \
+				-set_serial 0x53a2cb5822399474a7ec79ec \
+				-days 3650 -sha256 -in $< -out $@
+all_final += server6-ss-child.crt
+
+
 ################################################################
 ### Generate certificates for CRT write check tests
 ################################################################
@@ -1449,7 +1590,7 @@
 	$(OPENSSL) x509 -inform PEM -in $< -outform DER -out $@
 server1.commas.crt: server1.key parse_input/server1.req.commas.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)
 	$(MBEDTLS_CERT_WRITE) request_file=parse_input/server1.req.commas.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) version=1 not_before=20190210144406 not_after=20290210144406 md=SHA1 version=3 output_file=$@
-all_final += server1.crt server1.noauthid.crt server1.crt.der server1.commas.crt
+all_final += server1.crt server1.noauthid.crt parse_input/server1.crt.der server1.commas.crt
 
 parse_input/server1.key_usage.crt: parse_input/server1.req.sha256
 server1.key_usage.crt: server1.req.sha256
@@ -1487,6 +1628,16 @@
 	$(OPENSSL) x509 -inform PEM -in $< -outform DER -out $@
 all_final += server1.ca.crt server1.ca_noauthid.crt server1.ca.der
 
+server1-nospace.crt: server1.key test-ca.crt
+	$(MBEDTLS_CERT_WRITE) subject_key=$< serial=31\
+		subject_name="C=NL,O=PolarSSL,CN=polarssl.example"  \
+		issuer_crt=test-ca.crt issuer_key=$(test_ca_key_file_rsa) \
+		issuer_pwd=$(test_ca_pwd_rsa) \
+		not_before=20190210144406 not_after=20290210144406 \
+		md=SHA256 version=3 authority_identifier=1 \
+		output_file=$@
+all_final += server1-nospace.crt
+
 server1_ca.crt: server1.crt $(test_ca_crt)
 	cat server1.crt $(test_ca_crt) > $@
 all_final += server1_ca.crt
@@ -1545,8 +1696,13 @@
 crl.pem: $(test_ca_crt) $(test_ca_key_file_rsa) $(test_ca_config_file)
 	$(OPENSSL) ca -gencrl -batch -cert $(test_ca_crt) -keyfile $(test_ca_key_file_rsa) -key $(test_ca_pwd_rsa) -config $(test_ca_server1_config_file) -md sha1 -crldays 3653 -out $@
 
-crl-futureRevocationDate.pem: $(test_ca_crt) $(test_ca_key_file_rsa) $(test_ca_config_file) test-ca.server1.future-crl.db  test-ca.server1.future-crl.opensslconf
-	$(FAKETIME) '2028-12-31' $(OPENSSL) ca -gencrl -config test-ca.server1.future-crl.opensslconf -crldays 365 -passin "pass:$(test_ca_pwd_rsa)" -out $@
+crl-futureRevocationDate.pem: $(test_ca_crt) $(test_ca_key_file_rsa) \
+							  $(test_ca_config_file) 				\
+							  test-ca.server1.future-crl.db  \
+							  test-ca.server1.future-crl.opensslconf
+	$(FAKETIME) -f '+10y' $(OPENSSL) ca -gencrl \
+		-config test-ca.server1.future-crl.opensslconf -crldays 365 \
+		-passin "pass:$(test_ca_pwd_rsa)" -out $@
 
 server1_all: crl.pem crl-futureRevocationDate.pem server1.crt server1.noauthid.crt server1.crt.openssl server1.v1.crt server1.v1.crt.openssl server1.key_usage.crt server1.key_usage_noauthid.crt server1.key_usage.crt.openssl server1.cert_type.crt server1.cert_type_noauthid.crt server1.cert_type.crt.openssl server1.der server1.der.openssl server1.v1.der server1.v1.der.openssl server1.key_usage.der server1.key_usage.der.openssl server1.cert_type.der server1.cert_type.der.openssl
 
@@ -1564,6 +1720,25 @@
 	$(MBEDTLS_CERT_WRITE) request_file=server2.req.sha256 serial=2 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) not_before=20190210144406 not_after=20290210144406 md=SHA256 version=3 output_file=$@
 all_final += server2-sha256.crt
 
+server2.ku-ka.crt: SERVER2_CRT_SERIAL=42
+server2.ku-ka.crt: SERVER2_KEY_USAGE=key_agreement
+server2.ku-ke.crt: SERVER2_CRT_SERIAL=43
+server2.ku-ke.crt: SERVER2_KEY_USAGE=key_encipherment
+server2.ku-ds.crt: SERVER2_CRT_SERIAL=44
+server2.ku-ds.crt: SERVER2_KEY_USAGE=digital_signature
+server2.ku-ds_ke.crt: SERVER2_CRT_SERIAL=48
+server2.ku-ds_ke.crt: SERVER2_KEY_USAGE=digital_signature,key_encipherment
+server2.ku-%.crt: server2.req.sha256
+	$(MBEDTLS_CERT_WRITE) request_file=server2.req.sha256 serial=$(SERVER2_CRT_SERIAL) \
+		issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) \
+		key_usage="$(SERVER2_KEY_USAGE)" \
+		not_before=20190210144406 not_after=20290210144406 md=SHA1 version=3 output_file=$@
+all_final += server2.ku-ka.crt server2.ku-ke.crt server2.ku-ds.crt server2.ku-ds_ke.crt
+
+server2-badsign.crt: server2.crt
+	{ head -n-2 $<; tail -n-2 $< | sed -e '1s/0\(=*\)$$/_\1/' -e '1s/[^_=]\(=*\)$$/0\1/' -e '1s/_/1/'; } > $@
+all_final += server2-badsign.crt
+
 # server3*
 
 parse_input/server3.crt server3.crt: server3.key
@@ -1820,6 +1995,41 @@
 	dd if=pkcs7_data_cert_signed_sha256.der of=$@ skip=19 bs=1
 all_final += pkcs7_data_cert_signeddata_sha256.der
 
+# - test-ca-v1.crt: v1 "CA", signs
+#     server1-v1.crt: v1 "intermediate CA", signs
+#         server2-v1*.crt: EE cert (without of with chain in same file)
+
+test-ca-v1.crt: $(test_ca_key_file_rsa) test-ca.req.sha256
+	$(MBEDTLS_CERT_WRITE) is_ca=1 serial_hex=53a2b68e05400e555c9395e5 \
+		request_file=test-ca.req.sha256 \
+		selfsign=1 issuer_name="CN=PolarSSL Test CA v1,OU=testing,O=PolarSSL,C=NL" \
+		issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) \
+		not_before=20190210144400 not_after=20290210144400 md=SHA256 version=1 \
+		output_file=$@
+all_final += test-ca-v1.crt
+
+server1-v1.crt: server1.key test-ca-v1.crt
+	$(MBEDTLS_CERT_WRITE) subject_key=$< serial_hex=53a2b6c704cd4d8ebc800bc1\
+		subject_name="CN=server1/int-ca-v1,OU=testing,O=PolarSSL,C=NL"  \
+		issuer_crt=test-ca-v1.crt issuer_key=$(test_ca_key_file_rsa) \
+		issuer_pwd=$(test_ca_pwd_rsa) \
+		not_before=20190210144406 not_after=20290210144406 \
+		md=SHA256 version=1 \
+		output_file=$@
+all_final += server1-v1.crt
+
+server2-v1.crt: server2.key server1-v1.crt
+	$(MBEDTLS_CERT_WRITE) subject_key=$< serial_hex=53a2b6d9235dbc4573f9b76c\
+		subject_name="CN=server2,OU=testing,O=PolarSSL,C=NL"  \
+		issuer_crt=server1-v1.crt issuer_key=server1.key \
+		not_before=20190210144406 not_after=20290210144406 \
+		md=SHA256 version=1 \
+		output_file=$@
+all_final += server2-v1.crt
+
+server2-v1-chain.crt: server2-v1.crt server1-v1.crt
+	cat $^ > $@
+
 ################################################################
 #### Generate C format test certs header
 ################################################################
diff --git a/tests/data_files/cert_example_multi_nocn.crt b/tests/data_files/cert_example_multi_nocn.crt
index 1634846..08bf63c 100644
--- a/tests/data_files/cert_example_multi_nocn.crt
+++ b/tests/data_files/cert_example_multi_nocn.crt
@@ -1,13 +1,16 @@
 -----BEGIN CERTIFICATE-----
-MIIB/TCCAWagAwIBAgIJAPfGf/jpqWP5MA0GCSqGSIb3DQEBBQUAMA0xCzAJBgNV
-BAYTAk5MMB4XDTE0MDEyMjEwMDQzM1oXDTI0MDEyMjEwMDQzM1owDTELMAkGA1UE
-BhMCTkwwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAN0Rip+ZurBoyirqO2pt
-WZftTslU5A3uzqB9oB6q6A7CuxNA24oSjokTJKXF9frY9ZDXyMrLxf6THa/aEiNz
-UnlGGrqgVyt2FjGzqK/nOJsIi2OZOgol7kXSGFi6uZMa7dRYmmMbN/z3FAifhWVJ
-81kybdHg6G3eUu1mtKkL2kCVAgMBAAGjZTBjMAkGA1UdEwQCMAAwCwYDVR0PBAQD
+MIICfjCCAWagAwIBAgIJAPfGf/jpqWP5MA0GCSqGSIb3DQEBBQUAMA0xCzAJBgNV
+BAYTAk5MMB4XDTIzMDUxODAyMDUwMVoXDTMzMDUxODAyMDUwMVowDTELMAkGA1UE
+BhMCTkwwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMc4ksXD9HAQCGv4EzXs
+8wEciiUPlYI2HqoelhJVGqz4e3UzC3BXM5zZlfFNTEQ3yL7EoD/kZDzT88kCQz3D
+fFuOeaoJhK6CEzcKv4VpvSo1Ymyx/uSs4EKyQXx75J0nFJssB2uOQz0/bHY6Rpoc
+cA0lnbwIx0D82AI3Yv996/wtAgMBAAGjZTBjMAkGA1UdEwQCMAAwCwYDVR0PBAQD
 AgXgMEkGA1UdEQRCMECCHHd3dy5zaG90b2thbi1icmF1bnNjaHdlaWcuZGWCFHd3
-dy5tYXNzaW1vLWFiYXRlLmV1hwTAqAEBhwTAqEWQMA0GCSqGSIb3DQEBBQUAA4GB
-ABjx1ytrqCyFC5/0cjWnbLK9vsvLny2ZikDewfRxqJ5zAxGWLqHOr1SmUmu2DrvB
-bkT9g5z19+iMhPnzJz1x7Q2m7WTIJTuUPK+hKZJATDLNhZ86h5Nkw8k9YzKcOrPm
-EIqsy55CSgLU0ntljqSBvSb4ifrF1NnIWej2lSfN6r+3
+dy5tYXNzaW1vLWFiYXRlLmV1hwTAqAEBhwTAqEWQMA0GCSqGSIb3DQEBBQUAA4IB
+AQAuomKlMLwSkP3zvGuA9awDdITM/uCzfd77yi60zMNtFHDMu2YZ2npQSl0czab6
+/8fX9goaU8V3cx4KXSLMx7i9AsP1r559Uo3c/4oTZd3xBsElMAn/TXiuujZ2RwdL
+RcMOJerlThOE0dtNdniJj7lPaan70CELP/CUn8KgeWgztQJj4ghfUwnLn6RnpLfl
+YyM/Xq2YbwnQWHXSe3CPTy5RCWalt3SgZf6IDcD6CNq1Q2l14iR78OWnlxGTFmjP
+ez3OzxNT2BZz0AiP0WvTbUtvfuxw9G3fHHe5ClsAopIA3tD246jHOAlqAnOEBC/x
+IABbWjY/briP9U4R6x+mg2ck
 -----END CERTIFICATE-----
diff --git a/tests/data_files/crl-rsa-pss-sha1-badsign.pem b/tests/data_files/crl-rsa-pss-sha1-badsign.pem
index 7e2a596..d236910 100644
--- a/tests/data_files/crl-rsa-pss-sha1-badsign.pem
+++ b/tests/data_files/crl-rsa-pss-sha1-badsign.pem
@@ -1,14 +1,14 @@
 -----BEGIN X509 CRL-----
 MIICJDCCAQYCAQEwEwYJKoZIhvcNAQEKMAaiBAICAOowOzELMAkGA1UEBhMCTkwx
-ETAPBgNVBAoTCFBvbGFyU1NMMRkwFwYDVQQDExBQb2xhclNTTCBUZXN0IENBFw0x
-NDAxMjAxMzQ2MzVaFw0yNDAxMTgxMzQ2MzVaMCgwEgIBChcNMTMwOTI0MTYyODM4
-WjASAgEWFw0xNDAxMjAxMzQzMDVaoGcwZTBjBgNVHSMEXDBagBS0WuSls97SUva5
-1aaVD+s+vMf9/6E/pD0wOzELMAkGA1UEBhMCTkwxETAPBgNVBAoTCFBvbGFyU1NM
-MRkwFwYDVQQDExBQb2xhclNTTCBUZXN0IENBggEAMBMGCSqGSIb3DQEBCjAGogQC
-AgDqA4IBAQB8ZBX0BEgRcx0lfk1ctELRu1AYoJ5BnsmQpq23Ca4YIP2yb2kTN1ZS
-4fR4SgYcNctgo2JJiNiUkCu1ZnRUOJUy8UlEio0+aeumTNz6CbeJEDhr5NC3oiV0
-MzvLn9rJVLPetOT9UrvvIy8iz5Pn1d8mu5rkt9BKQRq9NQx8riKnSIoTc91NLCMo
-mkCCB55DVbazODSWK19e6yQ0JS454RglOsqRtLJ/EDbi6lCsLXotFt3GEGMrob1O
-7Qck1Z59boaHxGYFEVnx90+4M3/qikVtwZdcBjLEmfuwYvszFw8J2y6Xwmg/HtUa
-y6li0JzWNHtkKUlCv2+SESZbD3NU8GQY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index 59ca4f7..c129c0c 100644
--- a/tests/data_files/crl-rsa-pss-sha1.pem
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server1-v1.crt b/tests/data_files/server1-v1.crt
index 47f1fff..8ca9007 100644
--- a/tests/data_files/server1-v1.crt
+++ b/tests/data_files/server1-v1.crt
@@ -1,19 +1,19 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server1.req.sha256.conf b/tests/data_files/server1.req.sha256.conf
new file mode 100644
index 0000000..0d35818
--- /dev/null
+++ b/tests/data_files/server1.req.sha256.conf
@@ -0,0 +1,17 @@
+req_extensions = req_ext
+
+[req_ext]
+extendedKeyUsage = serverAuth
+subjectAltName = @alt_names
+
+[alt_names]
+email = mail@example.com
+DNS = example.com
+dirName = dirname_sect
+IP = 127.0.0.1
+URI = http://pki.example.com
+
+[dirname_sect]
+C=UK
+O=Mbed TLS
+CN=Mbed TLS directoryName SAN
diff --git a/tests/data_files/server1.req.sha256.ext b/tests/data_files/server1.req.sha256.ext
index c5ff5c5..1bb05da 100644
--- a/tests/data_files/server1.req.sha256.ext
+++ b/tests/data_files/server1.req.sha256.ext
@@ -1,18 +1,20 @@
 -----BEGIN CERTIFICATE REQUEST-----
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 -----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/server2-v1-chain.crt b/tests/data_files/server2-v1-chain.crt
index 84bb6b2..8ac003b 100644
--- a/tests/data_files/server2-v1-chain.crt
+++ b/tests/data_files/server2-v1-chain.crt
@@ -1,38 +1,38 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server2-v1.crt b/tests/data_files/server2-v1.crt
index 7ef7968..990cd4b 100644
--- a/tests/data_files/server2-v1.crt
+++ b/tests/data_files/server2-v1.crt
@@ -1,19 +1,19 @@
 -----BEGIN CERTIFICATE-----
-MIIDFTCCAf0CDFOittkjXbxFc/m3bDANBgkqhkiG9w0BAQsFADBOMRowGAYDVQQD
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server2.ku-ds.crt b/tests/data_files/server2.ku-ds.crt
index 3bd07d0..d1e1251 100644
--- a/tests/data_files/server2.ku-ds.crt
+++ b/tests/data_files/server2.ku-ds.crt
@@ -1,21 +1,20 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server2.ku-ds_ke.crt b/tests/data_files/server2.ku-ds_ke.crt
index ebee7e1..eb23245 100644
--- a/tests/data_files/server2.ku-ds_ke.crt
+++ b/tests/data_files/server2.ku-ds_ke.crt
@@ -1,21 +1,20 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server2.ku-ka.crt b/tests/data_files/server2.ku-ka.crt
index 90f7c4a..ce97e82 100644
--- a/tests/data_files/server2.ku-ka.crt
+++ b/tests/data_files/server2.ku-ka.crt
@@ -1,21 +1,20 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server2.ku-ke.crt b/tests/data_files/server2.ku-ke.crt
index 8daa0c1..21e6cf0 100644
--- a/tests/data_files/server2.ku-ke.crt
+++ b/tests/data_files/server2.ku-ke.crt
@@ -1,21 +1,20 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server5-selfsigned.crt b/tests/data_files/server5-selfsigned.crt
index cb55647..0eafe70 100644
--- a/tests/data_files/server5-selfsigned.crt
+++ b/tests/data_files/server5-selfsigned.crt
@@ -1,12 +1,12 @@
 -----BEGIN CERTIFICATE-----
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diff --git a/tests/data_files/server5-ss-forgeca.crt b/tests/data_files/server5-ss-forgeca.crt
index 2265bf5..cf5bd6d 100644
--- a/tests/data_files/server5-ss-forgeca.crt
+++ b/tests/data_files/server5-ss-forgeca.crt
@@ -1,11 +1,11 @@
 -----BEGIN CERTIFICATE-----
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diff --git a/tests/data_files/server5.eku-cli.crt b/tests/data_files/server5.eku-cli.crt
index 8aa2e44..8d04559 100644
--- a/tests/data_files/server5.eku-cli.crt
+++ b/tests/data_files/server5.eku-cli.crt
@@ -1,13 +1,13 @@
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server5.eku-cs.crt b/tests/data_files/server5.eku-cs.crt
index db97b40..c00bc3b 100644
--- a/tests/data_files/server5.eku-cs.crt
+++ b/tests/data_files/server5.eku-cs.crt
@@ -1,13 +1,13 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server5.eku-cs_any.crt b/tests/data_files/server5.eku-cs_any.crt
index 8fa8632..912d929 100644
--- a/tests/data_files/server5.eku-cs_any.crt
+++ b/tests/data_files/server5.eku-cs_any.crt
@@ -1,13 +1,13 @@
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diff --git a/tests/data_files/server5.eku-srv.crt b/tests/data_files/server5.eku-srv.crt
index 64312f6..b173afc 100644
--- a/tests/data_files/server5.eku-srv.crt
+++ b/tests/data_files/server5.eku-srv.crt
@@ -1,13 +1,13 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server5.eku-srv_cli.crt b/tests/data_files/server5.eku-srv_cli.crt
index 9f58fed..be2531e 100644
--- a/tests/data_files/server5.eku-srv_cli.crt
+++ b/tests/data_files/server5.eku-srv_cli.crt
@@ -1,13 +1,13 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server5.ku-ds.crt b/tests/data_files/server5.ku-ds.crt
index 58dd071..dafff9b 100644
--- a/tests/data_files/server5.ku-ds.crt
+++ b/tests/data_files/server5.ku-ds.crt
@@ -1,14 +1,13 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server5.ku-ka.crt b/tests/data_files/server5.ku-ka.crt
index 2447326..74a4235 100644
--- a/tests/data_files/server5.ku-ka.crt
+++ b/tests/data_files/server5.ku-ka.crt
@@ -1,14 +1,13 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server5.ku-ke.crt b/tests/data_files/server5.ku-ke.crt
index 41ae5ad..6b4e74e 100644
--- a/tests/data_files/server5.ku-ke.crt
+++ b/tests/data_files/server5.ku-ke.crt
@@ -1,14 +1,13 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server6-ss-child.crt b/tests/data_files/server6-ss-child.crt
index 3c6fd4d..fc28f34 100644
--- a/tests/data_files/server6-ss-child.crt
+++ b/tests/data_files/server6-ss-child.crt
@@ -1,13 +1,13 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server6-ss-child.crt.openssl.v3_ext b/tests/data_files/server6-ss-child.crt.openssl.v3_ext
new file mode 100644
index 0000000..dd9cdaa
--- /dev/null
+++ b/tests/data_files/server6-ss-child.crt.openssl.v3_ext
@@ -0,0 +1,4 @@
+basicConstraints = critical,CA:false
+keyUsage=critical,digitalSignature
+subjectKeyIdentifier=hash
+
diff --git a/tests/data_files/server9-bad-mgfhash.crt b/tests/data_files/server9-bad-mgfhash.crt
index 34ef69e..ad29942 100644
--- a/tests/data_files/server9-bad-mgfhash.crt
+++ b/tests/data_files/server9-bad-mgfhash.crt
@@ -1,20 +1,21 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server9-bad-saltlen.crt b/tests/data_files/server9-bad-saltlen.crt
index f4da883..45bf20e 100644
--- a/tests/data_files/server9-bad-saltlen.crt
+++ b/tests/data_files/server9-bad-saltlen.crt
@@ -1,20 +1,21 @@
 -----BEGIN CERTIFICATE-----
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diff --git a/tests/data_files/server9-badsign.crt b/tests/data_files/server9-badsign.crt
index 9e56541..8656b1a 100644
--- a/tests/data_files/server9-badsign.crt
+++ b/tests/data_files/server9-badsign.crt
@@ -1,19 +1,19 @@
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server9-defaults.crt b/tests/data_files/server9-defaults.crt
index 4ce5c87..8613f52 100644
--- a/tests/data_files/server9-defaults.crt
+++ b/tests/data_files/server9-defaults.crt
@@ -1,19 +1,18 @@
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server9-sha224.crt b/tests/data_files/server9-sha224.crt
index 1b05f31..ed648c8 100644
--- a/tests/data_files/server9-sha224.crt
+++ b/tests/data_files/server9-sha224.crt
@@ -1,20 +1,21 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server9-sha256.crt b/tests/data_files/server9-sha256.crt
index 7d0aa39..ef37b3f 100644
--- a/tests/data_files/server9-sha256.crt
+++ b/tests/data_files/server9-sha256.crt
@@ -1,20 +1,21 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server9-sha384.crt b/tests/data_files/server9-sha384.crt
index aaa63e6..2ea0108 100644
--- a/tests/data_files/server9-sha384.crt
+++ b/tests/data_files/server9-sha384.crt
@@ -1,20 +1,21 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server9-sha512.crt b/tests/data_files/server9-sha512.crt
index a211b92..4abdf68 100644
--- a/tests/data_files/server9-sha512.crt
+++ b/tests/data_files/server9-sha512.crt
@@ -1,20 +1,21 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server9-with-ca.crt b/tests/data_files/server9-with-ca.crt
index 0478cff..51c0ada 100644
--- a/tests/data_files/server9-with-ca.crt
+++ b/tests/data_files/server9-with-ca.crt
@@ -1,99 +1,39 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
-Certificate:
-    Data:
-        Version: 3 (0x2)
-        Serial Number: 0 (0x0)
-        Signature Algorithm: sha1WithRSAEncryption
-        Issuer: C=NL, O=PolarSSL, CN=PolarSSL Test CA
-        Validity
-            Not Before: Feb 12 14:44:00 2011 GMT
-            Not After : Feb 12 14:44:00 2021 GMT
-        Subject: C=NL, O=PolarSSL, CN=PolarSSL Test CA
-        Subject Public Key Info:
-            Public Key Algorithm: rsaEncryption
-            RSA Public Key: (2048 bit)
-                Modulus (2048 bit):
-                    00:c0:df:37:fc:17:bb:e0:96:9d:3f:86:de:96:32:
-                    7d:44:a5:16:a0:cd:21:f1:99:d4:ec:ea:cb:7c:18:
-                    58:08:94:a5:ec:9b:c5:8b:df:1a:1e:99:38:99:87:
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-                    e8:b9:72:51:c5:ce:a3:30:52:a9:f2:e7:40:70:14:
-                    cb:44:a2:72:0b:c2:e5:40:f9:3e:e5:a6:0e:b3:f9:
-                    ec:4a:63:c0:b8:29:00:74:9c:57:3b:a8:a5:04:90:
-                    71:f1:bd:83:d9:3f:d6:a5:e2:3c:2a:8f:ef:27:60:
-                    c3:c6:9f:cb:ba:ec:60:7d:b7:e6:84:32:be:4f:fb:
-                    58:26:22:03:5b:d4:b4:d5:fb:f5:e3:96:2e:70:c0:
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-                    69:cb:47:b1:14:40:83:7d:67:f4:86:f6:31:ab:f1:
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-                    58:b1:54:0d:21:9a:73:37:a1:30:cf:6f:92:dc:f6:
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-                    ab:e9:c3:f2:cf:87:96:8f:80:02:32:9e:99:58:6f:
-                    a2:d5
-                Exponent: 65537 (0x10001)
-        X509v3 extensions:
-            X509v3 Basic Constraints: 
-                CA:TRUE
-            X509v3 Subject Key Identifier: 
-                B4:5A:E4:A5:B3:DE:D2:52:F6:B9:D5:A6:95:0F:EB:3E:BC:C7:FD:FF
-            X509v3 Authority Key Identifier: 
-                keyid:B4:5A:E4:A5:B3:DE:D2:52:F6:B9:D5:A6:95:0F:EB:3E:BC:C7:FD:FF
-                DirName:/C=NL/O=PolarSSL/CN=PolarSSL Test CA
-                serial:00
-
-    Signature Algorithm: sha1WithRSAEncryption
-        b8:fd:54:d8:00:54:90:8b:25:b0:27:dd:95:cd:a2:f7:84:07:
-        1d:87:89:4a:c4:78:11:d8:07:b5:d7:22:50:8e:48:eb:62:7a:
-        32:89:be:63:47:53:ff:b6:be:f1:2e:8c:54:c0:99:3f:a0:b9:
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-        09:3a:24:e4:36:d9:e9:2c:da:38:d0:73:75:61:d7:c1:6c:26:
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-        e1:8f:53:f6:67:93:c7:f9:6f:76:44:58:12:e8:3a:d4:97:e7:
-        e9:c0:3e:a8:7a:72:3d:87:53:1f:e5:2c:84:84:e7:9a:9e:7f:
-        66:d9:1f:9b:f5:13:48:b0:4d:14:d1:de:b2:24:d9:78:7d:f5:
-        35:cc:58:19:d1:d2:99:ef:4d:73:f8:1f:89:d4:5a:d0:52:ce:
-        09:f5:b1:46:51:6a:00:8e:3b:cc:6f:63:01:00:99:ed:9d:a6:
-        08:60:cd:32:18:d0:73:e0:58:71:d9:e5:d2:53:d7:8d:d0:ca:
-        e9:5d:2a:0a:0d:5d:55:ec:21:50:17:16:e6:06:4a:cd:5e:de:
-        f7:e0:e9:54
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/server9.crt b/tests/data_files/server9.crt
index a6f9fbc..26567ae 100644
--- a/tests/data_files/server9.crt
+++ b/tests/data_files/server9.crt
@@ -1,19 +1,19 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/test-ca-v1.crt b/tests/data_files/test-ca-v1.crt
index e5a3b1c..2f10f6d 100644
--- a/tests/data_files/test-ca-v1.crt
+++ b/tests/data_files/test-ca-v1.crt
@@ -1,19 +1,19 @@
 -----BEGIN CERTIFICATE-----
-MIIDIzCCAgsCDFOito4FQA5VXJOV5TANBgkqhkiG9w0BAQsFADBQMRwwGgYDVQQD
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/test-ca.opensslconf b/tests/data_files/test-ca.opensslconf
index 434876c..0340e9e 100644
--- a/tests/data_files/test-ca.opensslconf
+++ b/tests/data_files/test-ca.opensslconf
@@ -41,6 +41,11 @@
 [multiple_san]
 subjectAltName=@alt_names
 
+[ext_multi_nocn]
+basicConstraints = CA:false
+keyUsage = digitalSignature, nonRepudiation, keyEncipherment
+subjectAltName = DNS:www.shotokan-braunschweig.de,DNS:www.massimo-abate.eu,IP:192.168.1.1,IP:192.168.69.144
+
 [hw_module_name]
 hwtype = OID:1.3.6.1.4.1.17.3
 hwserial = OCT:123456
diff --git a/tests/data_files/test-ca2.ku-crl.crt b/tests/data_files/test-ca2.ku-crl.crt
index 4fb4083..303a2c0 100644
--- a/tests/data_files/test-ca2.ku-crl.crt
+++ b/tests/data_files/test-ca2.ku-crl.crt
@@ -1,12 +1,12 @@
 -----BEGIN CERTIFICATE-----
-MIIBzDCCAVOgAwIBAgIJAP6mZLzh0IPSMAoGCCqGSM49BAMCMD4xCzAJBgNVBAYT
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/test-ca2.ku-crl.crt.openssl.v3_ext b/tests/data_files/test-ca2.ku-crl.crt.openssl.v3_ext
new file mode 100644
index 0000000..4bc5d3c
--- /dev/null
+++ b/tests/data_files/test-ca2.ku-crl.crt.openssl.v3_ext
@@ -0,0 +1,4 @@
+basicConstraints = CA:true
+subjectKeyIdentifier=none
+keyUsage = cRLSign
+
diff --git a/tests/data_files/test-ca2.ku-crt.crt b/tests/data_files/test-ca2.ku-crt.crt
index edacc64..5cad7b2 100644
--- a/tests/data_files/test-ca2.ku-crt.crt
+++ b/tests/data_files/test-ca2.ku-crt.crt
@@ -1,12 +1,12 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/test-ca2.ku-crt.crt.openssl.v3_ext b/tests/data_files/test-ca2.ku-crt.crt.openssl.v3_ext
new file mode 100644
index 0000000..997c893
--- /dev/null
+++ b/tests/data_files/test-ca2.ku-crt.crt.openssl.v3_ext
@@ -0,0 +1,4 @@
+basicConstraints = CA:true
+subjectKeyIdentifier=none
+keyUsage = keyCertSign
+
diff --git a/tests/data_files/test-ca2.ku-crt_crl.crt b/tests/data_files/test-ca2.ku-crt_crl.crt
index ac74e40..4c69582 100644
--- a/tests/data_files/test-ca2.ku-crt_crl.crt
+++ b/tests/data_files/test-ca2.ku-crt_crl.crt
@@ -1,12 +1,12 @@
 -----BEGIN CERTIFICATE-----
-MIIBzDCCAVOgAwIBAgIJAPejOupCJS65MAoGCCqGSM49BAMCMD4xCzAJBgNVBAYT
-Ak5MMREwDwYDVQQKEwhQb2xhclNTTDEcMBoGA1UEAxMTUG9sYXJzc2wgVGVzdCBF
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/test-ca2.ku-crt_crl.crt.openssl.v3_ext b/tests/data_files/test-ca2.ku-crt_crl.crt.openssl.v3_ext
new file mode 100644
index 0000000..0fd73a2
--- /dev/null
+++ b/tests/data_files/test-ca2.ku-crt_crl.crt.openssl.v3_ext
@@ -0,0 +1,4 @@
+basicConstraints = CA:true
+subjectKeyIdentifier=none
+keyUsage = keyCertSign, cRLSign
+
diff --git a/tests/data_files/test-ca2.ku-ds.crt b/tests/data_files/test-ca2.ku-ds.crt
index c28e17b..2907aa7 100644
--- a/tests/data_files/test-ca2.ku-ds.crt
+++ b/tests/data_files/test-ca2.ku-ds.crt
@@ -1,12 +1,12 @@
 -----BEGIN CERTIFICATE-----
-MIIBzDCCAVOgAwIBAgIJAPOkPR3wsvm5MAoGCCqGSM49BAMCMD4xCzAJBgNVBAYT
-Ak5MMREwDwYDVQQKEwhQb2xhclNTTDEcMBoGA1UEAxMTUG9sYXJzc2wgVGVzdCBF
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 -----END CERTIFICATE-----
diff --git a/tests/data_files/test-ca2.ku-ds.crt.openssl.v3_ext b/tests/data_files/test-ca2.ku-ds.crt.openssl.v3_ext
new file mode 100644
index 0000000..08e49d4
--- /dev/null
+++ b/tests/data_files/test-ca2.ku-ds.crt.openssl.v3_ext
@@ -0,0 +1,4 @@
+basicConstraints = CA:true
+subjectKeyIdentifier=none
+keyUsage = digitalSignature
+
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index ed62b96..483e6f7 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2632,10 +2632,8 @@
 # - component_test_psa_crypto_config_reference_ecc_no_bignum
 config_psa_crypto_config_accel_ecc_no_bignum() {
     DRIVER_ONLY="$1"
-    # start with full config for maximum coverage (also enables USE_PSA),
-    # but keep TLS and key exchanges disabled
+    # start with full config for maximum coverage (also enables USE_PSA)
     helper_libtestdriver1_adjust_config "full"
-    scripts/config.py unset MBEDTLS_SSL_TLS_C
 
     if [ "$DRIVER_ONLY" -eq 1 ]; then
         # Disable modules that are accelerated
@@ -2688,7 +2686,7 @@
 #
 # Keep in sync with component_test_psa_crypto_config_reference_ecc_no_bignum()
 component_test_psa_crypto_config_accel_ecc_no_bignum () {
-    msg "build: full + accelerated EC algs + USE_PSA - ECP"
+    msg "build: full + accelerated EC algs + USE_PSA - ECP - BIGNUM"
 
     # Algorithms and key types to accelerate
     loc_accel_list="ALG_ECDSA ALG_DETERMINISTIC_ECDSA \
@@ -2730,12 +2728,12 @@
     # Run the tests
     # -------------
 
-    msg "test suites: full + accelerated EC algs + USE_PSA - ECP"
+    msg "test suites: full + accelerated EC algs + USE_PSA - ECP - BIGNUM"
     make test
 
     # The following will be enabled in #7756
-    #msg "ssl-opt: full + accelerated EC algs + USE_PSA - ECP"
-    #tests/ssl-opt.sh
+    msg "ssl-opt: full + accelerated EC algs + USE_PSA - ECP - BIGNUM"
+    tests/ssl-opt.sh
 }
 
 # Reference function used for driver's coverage analysis in analyze_outcomes.py
@@ -2752,8 +2750,8 @@
     make test
 
     # The following will be enabled in #7756
-    #msg "ssl-opt: full + non accelerated EC algs + USE_PSA"
-    #tests/ssl-opt.sh
+    msg "ssl-opt: full + non accelerated EC algs + USE_PSA"
+    tests/ssl-opt.sh
 }
 
 # Helper function used in:
@@ -3952,7 +3950,7 @@
     # We can only grep /proc/cpuinfo on Linux, so this also checks for Linux
     (gcc -v 2>&1 | grep Target | grep -q x86_64) &&
         [[ "$HOSTTYPE" == "x86_64" && "$OSTYPE" == "linux-gnu" ]] &&
-        (grep '^flags' /proc/cpuinfo | grep -qw aes)
+        (lscpu | grep -qw aes)
 }
 
 component_test_aesni () { # ~ 60s
@@ -3965,29 +3963,136 @@
 
     msg "build: default config with different AES implementations"
     scripts/config.py set MBEDTLS_AESNI_C
+    scripts/config.py unset MBEDTLS_AES_USE_HARDWARE_ONLY
     scripts/config.py set MBEDTLS_HAVE_ASM
 
     # test the intrinsics implementation
     msg "AES tests, test intrinsics"
     make clean
-    make test programs/test/selftest CC=gcc CFLAGS='-Werror -Wall -Wextra -mpclmul -msse2 -maes'
+    make CC=gcc CFLAGS='-Werror -Wall -Wextra -mpclmul -msse2 -maes'
     # check that we built intrinsics - this should be used by default when supported by the compiler
-    ./programs/test/selftest | grep "AESNI code" | grep -q "intrinsics"
+    ./programs/test/selftest aes | grep "AESNI code" | grep -q "intrinsics"
 
     # test the asm implementation
     msg "AES tests, test assembly"
     make clean
-    make test programs/test/selftest CC=gcc CFLAGS='-Werror -Wall -Wextra -mno-pclmul -mno-sse2 -mno-aes'
+    make CC=gcc CFLAGS='-Werror -Wall -Wextra -mno-pclmul -mno-sse2 -mno-aes'
     # check that we built assembly - this should be built if the compiler does not support intrinsics
-    ./programs/test/selftest | grep "AESNI code" | grep -q "assembly"
+    ./programs/test/selftest aes | grep "AESNI code" | grep -q "assembly"
 
     # test the plain C implementation
     scripts/config.py unset MBEDTLS_AESNI_C
+    scripts/config.py unset MBEDTLS_AES_USE_HARDWARE_ONLY
     msg "AES tests, plain C"
     make clean
-    make test programs/test/selftest CC=gcc CFLAGS='-O2 -Werror'
+    make CC=gcc CFLAGS='-O2 -Werror'
     # check that there is no AESNI code present
-    ./programs/test/selftest | not grep -q "AESNI code"
+    ./programs/test/selftest aes | not grep -q "AESNI code"
+    not grep -q "AES note: using AESNI" ./programs/test/selftest
+    grep -q "AES note: built-in implementation." ./programs/test/selftest
+
+    # test the intrinsics implementation
+    scripts/config.py set MBEDTLS_AESNI_C
+    scripts/config.py set MBEDTLS_AES_USE_HARDWARE_ONLY
+    msg "AES tests, test AESNI only"
+    make clean
+    make CC=gcc CFLAGS='-Werror -Wall -Wextra -mpclmul -msse2 -maes'
+    ./programs/test/selftest aes | grep -q "AES note: using AESNI"
+    ./programs/test/selftest aes | not grep -q "AES note: built-in implementation."
+    grep -q "AES note: using AESNI" ./programs/test/selftest
+    not grep -q "AES note: built-in implementation." ./programs/test/selftest
+}
+
+
+
+support_test_aesni_m32() {
+    support_test_m32_o0 && (lscpu | grep -qw aes)
+}
+
+component_test_aesni_m32 () { # ~ 60s
+    # This tests are duplicated from component_test_aesni for i386 target
+    #
+    # AESNI intrinsic code supports i386 and assembly code does not support it.
+
+    msg "build: default config with different AES implementations"
+    scripts/config.py set MBEDTLS_AESNI_C
+    scripts/config.py set MBEDTLS_PADLOCK_C
+    scripts/config.py unset MBEDTLS_AES_USE_HARDWARE_ONLY
+    scripts/config.py set MBEDTLS_HAVE_ASM
+
+    # test the intrinsics implementation
+    msg "AES tests, test intrinsics"
+    make clean
+    make CC=gcc CFLAGS='-m32 -Werror -Wall -Wextra -mpclmul -msse2 -maes' LDFLAGS='-m32'
+    # check that we built intrinsics - this should be used by default when supported by the compiler
+    ./programs/test/selftest aes | grep "AESNI code" | grep -q "intrinsics"
+    grep -q "AES note: using AESNI" ./programs/test/selftest
+    grep -q "AES note: built-in implementation." ./programs/test/selftest
+    grep -q "AES note: using VIA Padlock" ./programs/test/selftest
+    grep -q mbedtls_aesni_has_support ./programs/test/selftest
+
+    scripts/config.py set MBEDTLS_AESNI_C
+    scripts/config.py unset MBEDTLS_PADLOCK_C
+    scripts/config.py set MBEDTLS_AES_USE_HARDWARE_ONLY
+    msg "AES tests, test AESNI only"
+    make clean
+    make CC=gcc CFLAGS='-m32 -Werror -Wall -Wextra -mpclmul -msse2 -maes' LDFLAGS='-m32'
+    ./programs/test/selftest aes | grep -q "AES note: using AESNI"
+    ./programs/test/selftest aes | not grep -q "AES note: built-in implementation."
+    grep -q "AES note: using AESNI" ./programs/test/selftest
+    not grep -q "AES note: built-in implementation." ./programs/test/selftest
+    not grep -q "AES note: using VIA Padlock" ./programs/test/selftest
+    not grep -q mbedtls_aesni_has_support ./programs/test/selftest
+}
+
+# For timebeing, no aarch64 gcc available in CI and no arm64 CI node.
+component_build_aes_aesce_armcc () {
+    msg "Build: AESCE test on arm64 platform without plain C."
+    scripts/config.py baremetal
+
+    # armc[56] don't support SHA-512 intrinsics
+    scripts/config.py unset MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT
+
+    # Stop armclang warning about feature detection for A64_CRYPTO.
+    # With this enabled, the library does build correctly under armclang,
+    # but in baremetal builds (as tested here), feature detection is
+    # unavailable, and the user is notified via a #warning. So enabling
+    # this feature would prevent us from building with -Werror on
+    # armclang. Tracked in #7198.
+    scripts/config.py unset MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
+    scripts/config.py set MBEDTLS_HAVE_ASM
+
+    msg "AESCE, build with default configuration."
+    scripts/config.py set MBEDTLS_AESCE_C
+    scripts/config.py unset MBEDTLS_AES_USE_HARDWARE_ONLY
+    armc6_build_test "-O1 --target=aarch64-arm-none-eabi -march=armv8-a+crypto"
+
+    msg "AESCE, build AESCE only"
+    scripts/config.py set MBEDTLS_AESCE_C
+    scripts/config.py set MBEDTLS_AES_USE_HARDWARE_ONLY
+    armc6_build_test "-O1 --target=aarch64-arm-none-eabi -march=armv8-a+crypto"
+}
+
+# For timebeing, no VIA Padlock platform available.
+component_build_aes_via_padlock () {
+
+    msg "AES:VIA PadLock, build with default configuration."
+    scripts/config.py unset MBEDTLS_AESNI_C
+    scripts/config.py set MBEDTLS_PADLOCK_C
+    scripts/config.py unset MBEDTLS_AES_USE_HARDWARE_ONLY
+    make CC=gcc CFLAGS="$ASAN_CFLAGS -m32 -O2" LDFLAGS="-m32 $ASAN_CFLAGS"
+    grep -q mbedtls_padlock_has_support ./programs/test/selftest
+
+}
+
+support_build_aes_via_padlock_only () {
+    ( [ "$MBEDTLS_TEST_PLATFORM" == "Linux-x86_64" ] || \
+        [ "$MBEDTLS_TEST_PLATFORM" == "Linux-amd64" ] ) && \
+    [ "`dpkg --print-foreign-architectures`" == "i386" ]
+}
+
+support_build_aes_aesce_armcc () {
+    support_build_armcc
 }
 
 component_test_aes_only_128_bit_keys () {
@@ -4255,6 +4360,7 @@
     # build) and not the i386-specific inline assembly.
     msg "build: i386, make, gcc -O0 (ASan build)" # ~ 30s
     scripts/config.py full
+    scripts/config.py unset MBEDTLS_AESNI_C # AESNI depends on cpu modifiers
     make CC=gcc CFLAGS="$ASAN_CFLAGS -m32 -O0" LDFLAGS="-m32 $ASAN_CFLAGS"
 
     msg "test: i386, make, gcc -O0 (ASan build)"
@@ -4272,6 +4378,7 @@
     # and go faster for tests.
     msg "build: i386, make, gcc -O2 (ASan build)" # ~ 30s
     scripts/config.py full
+    scripts/config.py unset MBEDTLS_AESNI_C # AESNI depends on cpu modifiers
     make CC=gcc CFLAGS="$ASAN_CFLAGS -m32 -O2" LDFLAGS="-m32 $ASAN_CFLAGS"
 
     msg "test: i386, make, gcc -O2 (ASan build)"
@@ -4287,6 +4394,7 @@
 component_test_m32_everest () {
     msg "build: i386, Everest ECDH context (ASan build)" # ~ 6 min
     scripts/config.py set MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED
+    scripts/config.py unset MBEDTLS_AESNI_C # AESNI depends on cpu modifiers
     make CC=gcc CFLAGS="$ASAN_CFLAGS -m32 -O2" LDFLAGS="-m32 $ASAN_CFLAGS"
 
     msg "test: i386, Everest ECDH context - main suites (inc. selftests) (ASan build)" # ~ 50s
@@ -4740,6 +4848,7 @@
 
 component_build_mingw () {
     msg "build: Windows cross build - mingw64, make (Link Library)" # ~ 30s
+    scripts/config.py unset MBEDTLS_AESNI_C # AESNI depends on cpu modifiers
     make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -Wall -Wextra' WINDOWS_BUILD=1 lib programs
 
     # note Make tests only builds the tests, but doesn't run them
@@ -5044,6 +5153,7 @@
     python3 -m unittest tests/scripts/translate_ciphers.py 2>&1
 }
 
+
 ################################################################
 #### Termination
 ################################################################
diff --git a/tests/scripts/analyze_outcomes.py b/tests/scripts/analyze_outcomes.py
index ee51513..c6891bb 100755
--- a/tests/scripts/analyze_outcomes.py
+++ b/tests/scripts/analyze_outcomes.py
@@ -390,6 +390,16 @@
                     'ASN.1 Write mpi, 255*8-1 bits',
                     'ASN.1 Write mpi, 256*8-1 bits',
                 ],
+                'test_suite_debug': [
+                    # Following tests depends on BIGNUM_C
+                    'Debug print mbedtls_mpi #2: 3 bits',
+                    'Debug print mbedtls_mpi: 0 (empty representation)',
+                    'Debug print mbedtls_mpi: 0 (non-empty representation)',
+                    'Debug print mbedtls_mpi: 49 bits',
+                    'Debug print mbedtls_mpi: 759 bits',
+                    'Debug print mbedtls_mpi: 764 bits #1',
+                    'Debug print mbedtls_mpi: 764 bits #2',
+                ],
             }
         }
     },
diff --git a/tests/scripts/audit-validity-dates.py b/tests/scripts/audit-validity-dates.py
index 5506e40..623fd23 100755
--- a/tests/scripts/audit-validity-dates.py
+++ b/tests/scripts/audit-validity-dates.py
@@ -24,7 +24,6 @@
 """
 
 import os
-import sys
 import re
 import typing
 import argparse
@@ -43,6 +42,7 @@
 
 import scripts_path # pylint: disable=unused-import
 from mbedtls_dev import build_tree
+from mbedtls_dev import logging_util
 
 def check_cryptography_version():
     match = re.match(r'^[0-9]+', cryptography.__version__)
@@ -393,38 +393,6 @@
             loc))
 
 
-def configure_logger(logger: logging.Logger) -> None:
-    """
-    Configure the logging.Logger instance so that:
-        - Format is set to "[%(levelname)s]: %(message)s".
-        - loglevel >= WARNING are printed to stderr.
-        - loglevel <  WARNING are printed to stdout.
-    """
-    class MaxLevelFilter(logging.Filter):
-        # pylint: disable=too-few-public-methods
-        def __init__(self, max_level, name=''):
-            super().__init__(name)
-            self.max_level = max_level
-
-        def filter(self, record: logging.LogRecord) -> bool:
-            return record.levelno <= self.max_level
-
-    log_formatter = logging.Formatter("[%(levelname)s]: %(message)s")
-
-    # set loglevel >= WARNING to be printed to stderr
-    stderr_hdlr = logging.StreamHandler(sys.stderr)
-    stderr_hdlr.setLevel(logging.WARNING)
-    stderr_hdlr.setFormatter(log_formatter)
-
-    # set loglevel <= INFO to be printed to stdout
-    stdout_hdlr = logging.StreamHandler(sys.stdout)
-    stdout_hdlr.addFilter(MaxLevelFilter(logging.INFO))
-    stdout_hdlr.setFormatter(log_formatter)
-
-    logger.addHandler(stderr_hdlr)
-    logger.addHandler(stdout_hdlr)
-
-
 def main():
     """
     Perform argument parsing.
@@ -457,7 +425,7 @@
     # start main routine
     # setup logger
     logger = logging.getLogger()
-    configure_logger(logger)
+    logging_util.configure_logger(logger)
     logger.setLevel(logging.DEBUG if args.verbose else logging.ERROR)
 
     td_auditor = TestDataAuditor(logger)
diff --git a/tests/src/bignum_helpers.c b/tests/src/bignum_helpers.c
index efb2eca..214530d 100644
--- a/tests/src/bignum_helpers.c
+++ b/tests/src/bignum_helpers.c
@@ -86,6 +86,7 @@
     return MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
 }
 
+#if defined(MBEDTLS_ECP_WITH_MPI_UINT)
 int mbedtls_test_read_mpi_modulus(mbedtls_mpi_mod_modulus *N,
                                   const char *s,
                                   mbedtls_mpi_mod_rep_selector int_rep)
@@ -122,6 +123,7 @@
     mbedtls_free((mbedtls_mpi_uint *) N->p);
     mbedtls_mpi_mod_modulus_free(N);
 }
+#endif /* MBEDTLS_ECP_WITH_MPI_UINT */
 
 int mbedtls_test_read_mpi(mbedtls_mpi *X, const char *s)
 {
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 6113eeb..0164b45 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -435,6 +435,13 @@
             ;;
     esac
 
+    case "$CMD_LINE" in
+        *server2*|\
+        *server7*)
+            # server2 and server7 certificates use RSA encryption
+            requires_config_enabled "MBEDTLS_RSA_C"
+    esac
+
     unset tmp
 }
 
diff --git a/tests/suites/test_suite_bignum_mod.function b/tests/suites/test_suite_bignum_mod.function
index 7015284..9d0fe93 100644
--- a/tests/suites/test_suite_bignum_mod.function
+++ b/tests/suites/test_suite_bignum_mod.function
@@ -35,7 +35,7 @@
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES
- * depends_on:MBEDTLS_BIGNUM_C
+ * depends_on:MBEDTLS_BIGNUM_C:MBEDTLS_ECP_WITH_MPI_UINT
  * END_DEPENDENCIES
  */
 
@@ -737,5 +737,6 @@
     mbedtls_free(R);
     mbedtls_free(R_COPY);
     mbedtls_free(obuf);
+    mbedtls_free(ref_buf);
 }
 /* END_CASE */
diff --git a/tests/suites/test_suite_bignum_mod_raw.function b/tests/suites/test_suite_bignum_mod_raw.function
index 6b953f5..f7f8a59 100644
--- a/tests/suites/test_suite_bignum_mod_raw.function
+++ b/tests/suites/test_suite_bignum_mod_raw.function
@@ -11,7 +11,7 @@
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES
- * depends_on:MBEDTLS_BIGNUM_C
+ * depends_on:MBEDTLS_BIGNUM_C:MBEDTLS_ECP_WITH_MPI_UINT
  * END_DEPENDENCIES
  */
 
diff --git a/tests/suites/test_suite_bignum_random.function b/tests/suites/test_suite_bignum_random.function
index 6e533bc..b43b1e7 100644
--- a/tests/suites/test_suite_bignum_random.function
+++ b/tests/suites/test_suite_bignum_random.function
@@ -192,7 +192,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_WITH_MPI_UINT */
 void mpi_mod_random_values(int min, char *max_hex, int rep)
 {
     /* Same RNG as in mpi_core_random_basic */
@@ -403,7 +403,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_WITH_MPI_UINT */
 void mpi_mod_random_validation(int min, char *bound_hex,
                                int result_limbs_delta,
                                int expected_ret)
diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index e03bac8..410ae64 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -5543,6 +5543,82 @@
 depends_on:PSA_WANT_ALG_PBKDF2_HMAC:PSA_WANT_ALG_SHA_256
 derive_input_invalid_cost:PSA_ALG_PBKDF2_HMAC(PSA_ALG_SHA_256):PSA_VENDOR_PBKDF2_MAX_ITERATIONS+1ULL
 
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, good case, direct output
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_PASSWORD:"706173737764":PSA_SUCCESS:PSA_KEY_TYPE_NONE:PSA_SUCCESS
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, good case, key output
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_PASSWORD:"706173737764":PSA_SUCCESS:PSA_KEY_TYPE_DERIVE:PSA_SUCCESS
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, good case, DERIVE key as password, key output
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_DERIVE:"706173737764":PSA_SUCCESS:PSA_KEY_TYPE_DERIVE:PSA_SUCCESS
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, salt missing
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:0:UNUSED:"":UNUSED:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_PASSWORD:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, password missing
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_SUCCESS:0:UNUSED:"":UNUSED:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, salt and password before cost
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_ERROR_BAD_STATE:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_PASSWORD:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, password before cost
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_PASSWORD:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_ERROR_BAD_STATE:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, password bad key type
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_RAW_DATA:"706173737764":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, direct password, direct output
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"706173737764":PSA_SUCCESS:PSA_KEY_TYPE_NONE:PSA_SUCCESS
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, direct empty password, direct output
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"":PSA_SUCCESS:PSA_KEY_TYPE_NONE:PSA_SUCCESS
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, direct password, key output
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"706173737764":PSA_SUCCESS:PSA_KEY_TYPE_RAW_DATA:PSA_ERROR_NOT_PERMITTED
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, DERIVE key as salt
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_DERIVE:"73616c74":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, duplicate cost step
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_ERROR_BAD_STATE:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, duplicate salt step
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"7361":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"6c74":PSA_SUCCESS:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, reject secret step
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_SECRET:PSA_KEY_TYPE_NONE:"":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_ERROR_BAD_STATE:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, reject label step
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_LABEL:PSA_KEY_TYPE_NONE:"":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_ERROR_BAD_STATE:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, reject seed step
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_SEED:PSA_KEY_TYPE_NONE:"":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_ERROR_BAD_STATE:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, reject zero input cost
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:INPUT_INTEGER:"00":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_DERIVATION_INPUT_SALT:PSA_KEY_TYPE_NONE:"73616c74":PSA_ERROR_BAD_STATE:PSA_KEY_DERIVATION_INPUT_PASSWORD:PSA_KEY_TYPE_NONE:"706173737764":PSA_ERROR_BAD_STATE:PSA_KEY_TYPE_NONE:PSA_ERROR_BAD_STATE
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, reject cost greater than PSA_VENDOR_PBKDF2_MAX_ITERATIONS
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_input_invalid_cost:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_VENDOR_PBKDF2_MAX_ITERATIONS+1ULL
+
 PSA key derivation over capacity: HKDF
 depends_on:PSA_WANT_ALG_HKDF:PSA_WANT_ALG_SHA_256
 derive_over_capacity:PSA_ALG_HKDF(PSA_ALG_SHA_256)
@@ -6315,7 +6391,7 @@
 
 PSA key derivation: PBKDF2-HMAC(SHA-256), RFC7914 #1, password as bytes, derive key
 depends_on:PSA_WANT_ALG_PBKDF2_HMAC:PSA_WANT_ALG_SHA_256
-derive_output:PSA_ALG_PBKDF2_HMAC(PSA_ALG_SHA_256):PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"706173737764":PSA_SUCCESS:0:"":PSA_SUCCESS:"":64:"":"":0:0:1
+derive_output:PSA_ALG_PBKDF2_HMAC(PSA_ALG_SHA_256):PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"706173737764":PSA_SUCCESS:0:"":PSA_SUCCESS:"":64:"55ac046e56e3089fec1691c22544b605f94185216dde0465e68b9d57c20dacbc49ca9cccf179b645991664b39d77ef317c71b845b1e30bd509112041d3a19783":"":0:0:1
 
 PSA key derivation: PBKDF2-HMAC(SHA-1), RFC6070 #1, salt before cost
 depends_on:PSA_WANT_ALG_PBKDF2_HMAC:PSA_WANT_ALG_SHA_1
@@ -6325,6 +6401,64 @@
 depends_on:PSA_WANT_ALG_PBKDF2_HMAC:PSA_WANT_ALG_SHA_1
 derive_output:PSA_ALG_PBKDF2_HMAC(PSA_ALG_SHA_1):PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":20:"0c60c80f961f0e71f3a9b524af6012062fe037a6":"00":0:1:0
 
+#The following test vectors were generated by a python script. Details can be found in the commit message.
+#The input cost, salt and password are the same as PBKDF2-HMAC test vectors
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test Vector 1, 20+0
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":20:"1b72f6419173a06e27777606a315876ec71227de":"":0:1:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test Vector 1, 10+10
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":20:"1b72f6419173a06e2777":"7606a315876ec71227de":0:1:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test Vector 1, 0+20
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":20:"":"1b72f6419173a06e27777606a315876ec71227de":0:1:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test Vector 2
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"02":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":20:"160597e28021fb3dd9cf088b007b688360fed438":"":0:1:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test Vector 3
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"1000":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":20:"38ba9795fe87e47d519eacb77e82e35daa795870":"":0:1:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test Vector 4
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"1000":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c7453414c5473616c7453414c5473616c7453414c5473616c7453414c5473616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f726450415353574f524470617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":25:"25e7c43283d2e98cb6d9537a783e93153a45595a876779e00d":"":0:1:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test Vector 5
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"1000":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"7361006c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"7061737300776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":16:"3d2828c5a437d781e7733ca353c40579":"":0:1:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test Vector 6
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"706173737764":PSA_SUCCESS:0:"":PSA_SUCCESS:"":64:"28e288c6345bb5ecf7ca70274208a3ba0f1148b5868537d5e09d3ee6813b1f524d9ecbf864eb814a46cda50ad5ec4c0dc03578c6c5fb4a3f9880deb5cab537e4":"":0:1:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, empty direct password
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"1000":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"":PSA_SUCCESS:0:"":PSA_SUCCESS:"":16:"db00f3996d041b415eb273362d8c8c83":"":0:0:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, 16 byte password
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"1000":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f726470617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":16:"c4c112c6e1e3b8757640603dec78825f":"":0:1:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test vector 1, salt in two step
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"7361":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"6c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f7264":PSA_SUCCESS:"":20:"1b72f6419173a06e27777606a315876ec71227de":"":0:1:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test vector 1, password as key, derive key
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":20:"1b72f6419173a06e27777606a315876ec71227de":"":0:1:1
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test vector 1, password as bytes
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":20:"1b72f6419173a06e27777606a315876ec71227de":"":0:0:0
+
+PSA key derivation: PBKDF2-AES-CMAC-PRF-128, Test vector 1, password as bytes, derive key
+depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
+derive_output:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_KEY_DERIVATION_INPUT_COST:"01":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SALT:"73616c74":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_PASSWORD:"70617373776f7264":PSA_SUCCESS:0:"":PSA_SUCCESS:"":20:"1b72f6419173a06e27777606a315876ec71227de":"":0:0:1
+
 PSA key derivation: ECJPAKE to PMS, no input
 depends_on:PSA_WANT_ALG_SHA_256
 derive_ecjpake_to_pms:"":PSA_ERROR_INVALID_ARGUMENT:PSA_KEY_DERIVATION_INPUT_SECRET:32:PSA_SUCCESS:"":PSA_ERROR_INVALID_ARGUMENT
diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 04a7931..26988ce 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -153,24 +153,44 @@
     mbedtls_x509_san_list san_ip;
     mbedtls_x509_san_list san_dns;
     mbedtls_x509_san_list san_uri;
+    mbedtls_x509_san_list san_mail;
+    mbedtls_x509_san_list san_dn;
     mbedtls_x509_san_list *san_list = NULL;
-    const char san_ip_name[] = { 0x7f, 0x01, 0x01, 0x00 }; // 127.1.1.0
+    mbedtls_asn1_named_data *ext_san_dirname = NULL;
+
+    const char san_ip_name[] = { 0x7f, 0x00, 0x00, 0x01 }; // 127.0.0.1
     const char *san_dns_name = "example.com";
-    const char *san_uri_name = "http://pki.example.com/";
+    const char *san_dn_name = "C=UK,O=Mbed TLS,CN=Mbed TLS directoryName SAN";
+    const char *san_mail_name = "mail@example.com";
+    const char *san_uri_name = "http://pki.example.com";
+
+    san_mail.node.type = MBEDTLS_X509_SAN_RFC822_NAME;
+    san_mail.node.san.unstructured_name.p = (unsigned char *) san_mail_name;
+    san_mail.node.san.unstructured_name.len = strlen(san_mail_name);
+    san_mail.next = NULL;
+
+    san_dns.node.type = MBEDTLS_X509_SAN_DNS_NAME;
+    san_dns.node.san.unstructured_name.p = (unsigned char *) san_dns_name;
+    san_dns.node.san.unstructured_name.len = strlen(san_dns_name);
+    san_dns.next = &san_mail;
+
+    san_dn.node.type = MBEDTLS_X509_SAN_DIRECTORY_NAME;
+    TEST_ASSERT(mbedtls_x509_string_to_names(&ext_san_dirname,
+                                             san_dn_name) == 0);
+    san_dn.node.san.directory_name = *ext_san_dirname;
+    san_dn.next = &san_dns;
+
+    san_ip.node.type = MBEDTLS_X509_SAN_IP_ADDRESS;
+    san_ip.node.san.unstructured_name.p = (unsigned char *) san_ip_name;
+    san_ip.node.san.unstructured_name.len = sizeof(san_ip_name);
+    san_ip.next = &san_dn;
 
     san_uri.node.type = MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER;
     san_uri.node.san.unstructured_name.p = (unsigned char *) san_uri_name;
     san_uri.node.san.unstructured_name.len = strlen(san_uri_name);
-    san_uri.next = NULL;
-    san_ip.node.type = MBEDTLS_X509_SAN_IP_ADDRESS;
-    san_ip.node.san.unstructured_name.p = (unsigned char *) san_ip_name;
-    san_ip.node.san.unstructured_name.len = sizeof(san_ip_name);
-    san_ip.next = &san_uri;
-    san_dns.node.type = MBEDTLS_X509_SAN_DNS_NAME;
-    san_dns.node.san.unstructured_name.p = (unsigned char *) san_dns_name;
-    san_dns.node.san.unstructured_name.len = strlen(san_dns_name);
-    san_dns.next = &san_ip;
-    san_list = &san_dns;
+    san_uri.next = &san_ip;
+
+    san_list = &san_uri;
 
     memset(&rnd_info, 0x2a, sizeof(mbedtls_test_rnd_pseudo_info));
 
@@ -244,6 +264,7 @@
     TEST_ASSERT(ret == MBEDTLS_ERR_ASN1_BUF_TOO_SMALL);
 
 exit:
+    mbedtls_asn1_free_named_data_list(&ext_san_dirname);
     mbedtls_x509write_csr_free(&req);
     mbedtls_pk_free(&key);
     MD_OR_USE_PSA_DONE();