Merge remote-tracking branch 'development' into psa_crypto_config-in-full

Conflicts: * tests/scripts/all.sh: component_test_crypto_full_no_cipher was removed in the development branch.
2025-08-08 17:42:09 +03:00 · 2023-08-17 19:46:34 +02:00
parent b7d577e46b 294be94922
commit 73936868b8
208 changed files with 12718 additions and 8403 deletions
--- a/include/mbedtls/build_info.h
+++ b/include/mbedtls/build_info.h
@@ -38,16 +38,16 @@
 */
 #define MBEDTLS_VERSION_MAJOR  3
 #define MBEDTLS_VERSION_MINOR  4
-#define MBEDTLS_VERSION_PATCH  0
+#define MBEDTLS_VERSION_PATCH  1

 /**
 * The single version number has the following structure:
 *    MMNNPP00
 *    Major version | Minor version | Patch version
 */
-#define MBEDTLS_VERSION_NUMBER         0x03040000
-#define MBEDTLS_VERSION_STRING         "3.4.0"
-#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 3.4.0"
+#define MBEDTLS_VERSION_NUMBER         0x03040100
+#define MBEDTLS_VERSION_STRING         "3.4.1"
+#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 3.4.1"

 #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
 #define _CRT_SECURE_NO_DEPRECATE 1
@@ -161,6 +161,37 @@
 #define MBEDTLS_PK_PARSE_EC_COMPRESSED
 #endif

+/* Helper symbol to state that there is support for ECDH, either through
+ * library implementation (ECDH_C) or through PSA. */
+#if (defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_ALG_ECDH)) || \
+    (!defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_ECDH_C))
+#define MBEDTLS_CAN_ECDH
+#endif
+
+/* PK module can achieve ECDSA functionalities by means of either software
+ * implementations (ECDSA_C) or through a PSA driver. The following defines
+ * are meant to list these capabilities in a general way which abstracts how
+ * they are implemented under the hood. */
+#if !defined(MBEDTLS_USE_PSA_CRYPTO)
+#if defined(MBEDTLS_ECDSA_C)
+#define MBEDTLS_PK_CAN_ECDSA_SIGN
+#define MBEDTLS_PK_CAN_ECDSA_VERIFY
+#endif /* MBEDTLS_ECDSA_C */
+#else /* MBEDTLS_USE_PSA_CRYPTO */
+#if defined(PSA_WANT_ALG_ECDSA)
+#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC)
+#define MBEDTLS_PK_CAN_ECDSA_SIGN
+#endif /* PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC */
+#if defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY)
+#define MBEDTLS_PK_CAN_ECDSA_VERIFY
+#endif /* PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY */
+#endif /* PSA_WANT_ALG_ECDSA */
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+#if defined(MBEDTLS_PK_CAN_ECDSA_VERIFY) || defined(MBEDTLS_PK_CAN_ECDSA_SIGN)
+#define MBEDTLS_PK_CAN_ECDSA_SOME
+#endif
+
 /* If MBEDTLS_PSA_CRYPTO_C is defined, make sure MBEDTLS_PSA_CRYPTO_CLIENT
 * is defined as well to include all PSA code.
 */
@@ -177,6 +208,14 @@
 #define MBEDTLS_PK_PARSE_C
 #endif

+/* Helper symbol to state that the PK module has support for EC keys. This
+ * can either be provided through the legacy ECP solution or through the
+ * PSA friendly MBEDTLS_PK_USE_PSA_EC_DATA (see pk.h for its description). */
+#if defined(MBEDTLS_ECP_C) || \
+    (defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY))
+#define MBEDTLS_PK_HAVE_ECC_KEYS
+#endif /* MBEDTLS_PK_USE_PSA_EC_DATA || MBEDTLS_ECP_C */
+
 /* The following blocks make it easier to disable all of TLS,
 * or of TLS 1.2 or 1.3 or DTLS, without having to manually disable all
 * key exchanges, options and extensions related to them. */
@@ -222,16 +261,6 @@
 #undef MBEDTLS_SSL_EARLY_DATA
 #endif

-#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ENABLED) || \
-    defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED)
-#define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_PSK_ENABLED
-#endif
-
-#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED) || \
-    defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED)
-#define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED
-#endif
-
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2) && \
    (defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
    defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED))
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -275,19 +275,6 @@
 #error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
 #endif

-/* Helper for ECDSA dependencies, will be undefined at the end of the file */
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-#if (defined(PSA_WANT_ALG_ECDSA) || \
-     defined(PSA_WANT_ALG_DETERMINISTIC_ECDSA)) && \
-    defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC)
-#define MBEDTLS_PK_HAVE_ECDSA
-#endif
-#else /* MBEDTLS_USE_PSA_CRYPTO */
-#if defined(MBEDTLS_ECDSA_C)
-#define MBEDTLS_PK_HAVE_ECDSA
-#endif
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-
 /* Helper for JPAKE dependencies, will be undefined at the end of the file */
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
 #if defined(PSA_WANT_ALG_JPAKE) && defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC)
@@ -299,17 +286,6 @@
 #endif
 #endif /* MBEDTLS_USE_PSA_CRYPTO */

-/* Helper for ECDH dependencies, will be undefined at the end of the file */
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-#if defined(PSA_WANT_ALG_ECDH) && defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC)
-#define MBEDTLS_PK_HAVE_ECDH
-#endif
-#else /* MBEDTLS_USE_PSA_CRYPTO */
-#if defined(MBEDTLS_ECDH_C)
-#define MBEDTLS_PK_HAVE_ECDH
-#endif
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-
 /* Helper for curve SECP256R1 */
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
 #if defined(PSA_WANT_ECC_SECP_R1_256)
@@ -322,14 +298,14 @@
 #endif /* MBEDTLS_USE_PSA_CRYPTO */

 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) &&                 \
-    ( !defined(MBEDTLS_PK_HAVE_ECDH) ||                                       \
-      !defined(MBEDTLS_PK_HAVE_ECDSA) ||                                \
+    ( !defined(MBEDTLS_CAN_ECDH) ||                                       \
+      !defined(MBEDTLS_PK_CAN_ECDSA_SIGN) ||                                \
      !defined(MBEDTLS_X509_CRT_PARSE_C) )
 #error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
 #endif

 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) &&                 \
-    ( !defined(MBEDTLS_PK_HAVE_ECDH) || !defined(MBEDTLS_RSA_C) ||          \
+    ( !defined(MBEDTLS_CAN_ECDH) || !defined(MBEDTLS_RSA_C) ||          \
      !defined(MBEDTLS_X509_CRT_PARSE_C) )
 #error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
 #endif
@@ -339,7 +315,7 @@
 #endif

 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) &&                     \
-    !defined(MBEDTLS_PK_HAVE_ECDH)
+    !defined(MBEDTLS_CAN_ECDH)
 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
 #endif

@@ -350,14 +326,14 @@
 #endif

 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) &&                 \
-    ( !defined(MBEDTLS_PK_HAVE_ECDH) || !defined(MBEDTLS_RSA_C) ||          \
+    ( !defined(MBEDTLS_CAN_ECDH) || !defined(MBEDTLS_RSA_C) ||          \
      !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
 #endif

 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) &&                \
-    ( !defined(MBEDTLS_PK_HAVE_ECDH) ||                                       \
-      !defined(MBEDTLS_PK_HAVE_ECDSA) ||                                \
+    ( !defined(MBEDTLS_CAN_ECDH) ||                                       \
+      !defined(MBEDTLS_PK_CAN_ECDSA_SIGN) ||                                \
      !defined(MBEDTLS_X509_CRT_PARSE_C) )
 #error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
 #endif
@@ -449,7 +425,7 @@
 #endif

 #if defined(MBEDTLS_PK_C) && \
-    !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_LIGHT)
+    !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_PK_HAVE_ECC_KEYS)
 #error "MBEDTLS_PK_C defined, but not all prerequisites"
 #endif

@@ -814,8 +790,9 @@
 #endif

 #if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED)
-#if !( (defined(PSA_WANT_ALG_ECDH) || defined(PSA_WANT_ALG_FFDH)) && defined(MBEDTLS_X509_CRT_PARSE_C) && \
-       ( defined(MBEDTLS_PK_HAVE_ECDSA) || defined(MBEDTLS_PKCS1_V21) ) )
+#if !( (defined(PSA_WANT_ALG_ECDH) || defined(PSA_WANT_ALG_FFDH)) && \
+       defined(MBEDTLS_X509_CRT_PARSE_C) && \
+       ( defined(MBEDTLS_PK_CAN_ECDSA_SIGN) || defined(MBEDTLS_PKCS1_V21) ) )
 #error "MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED defined, but not all prerequisites"
 #endif
 #endif
@@ -1009,15 +986,15 @@
 #error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
 #endif

-#if defined(MBEDTLS_X509_USE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
-    !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) ||    \
+#if defined(MBEDTLS_X509_USE_C) && \
+    (!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) ||   \
    !defined(MBEDTLS_PK_PARSE_C) ||                                 \
    ( !defined(MBEDTLS_MD_C) && !defined(MBEDTLS_USE_PSA_CRYPTO) ) )
 #error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
 #endif

-#if defined(MBEDTLS_X509_CREATE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
-    !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) ||       \
+#if defined(MBEDTLS_X509_CREATE_C) && \
+    (!defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) ||      \
    !defined(MBEDTLS_PK_PARSE_C) ||                                    \
    ( !defined(MBEDTLS_MD_C) && !defined(MBEDTLS_USE_PSA_CRYPTO) ) )
 #error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
@@ -1122,16 +1099,14 @@

 #if defined(MBEDTLS_PKCS7_C) && ( ( !defined(MBEDTLS_ASN1_PARSE_C) ) || \
    ( !defined(MBEDTLS_OID_C) ) || ( !defined(MBEDTLS_PK_PARSE_C) ) || \
-    ( !defined(MBEDTLS_X509_CRT_PARSE_C) ) ||\
-    ( !defined(MBEDTLS_X509_CRL_PARSE_C) ) || ( !defined(MBEDTLS_BIGNUM_C) ) || \
+    ( !defined(MBEDTLS_X509_CRT_PARSE_C) ) || \
+    ( !defined(MBEDTLS_X509_CRL_PARSE_C) ) || \
    ( !defined(MBEDTLS_MD_C) ) )
 #error  "MBEDTLS_PKCS7_C is defined, but not all prerequisites"
 #endif

 /* Undefine helper symbols */
-#undef MBEDTLS_PK_HAVE_ECDSA
 #undef MBEDTLS_PK_HAVE_JPAKE
-#undef MBEDTLS_PK_HAVE_ECDH
 #undef MBEDTLS_MD_HAVE_SHA256
 #undef MBEDTLS_MD_HAVE_SHA384
 #undef MBEDTLS_MD_HAVE_SHA512
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -273,6 +273,7 @@ extern "C" {
 #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 @@ extern "C" {
 #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 @@ extern "C" {

 #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)
@@ -834,14 +849,16 @@ extern "C" {
 #define MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS 1
 #define PSA_WANT_ALG_RSA_PSS 1
 #endif /* MBEDTLS_PKCS1_V21 */
+#if defined(MBEDTLS_GENPRIME)
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE 1
+#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE 1
+#endif /* MBEDTLS_GENPRIME */
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_BASIC 1
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_IMPORT 1
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_EXPORT 1
-#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE 1
 #define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC 1
 #define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_IMPORT 1
 #define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_EXPORT 1
-#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE 1
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_PUBLIC_KEY 1
 #define PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY 1
 #endif /* MBEDTLS_RSA_C */
@@ -1027,36 +1044,28 @@ extern "C" {
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_EXPORT 1
 #endif

-/* Temporary internal migration helpers */
-#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC) || \
-    defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_IMPORT) || \
-    defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_EXPORT) || \
-    defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
-#define MBEDTLS_PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_LEGACY
+/* See description above */
+#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC)
+#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_IMPORT 1
+#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_EXPORT 1
 #endif

-/* Temporary internal migration helpers */
-#if defined(PSA_WANT_KEY_TYPE_DH_KEY_PAIR_BASIC) || \
-    defined(PSA_WANT_KEY_TYPE_DH_KEY_PAIR_IMPORT) || \
-    defined(PSA_WANT_KEY_TYPE_DH_KEY_PAIR_EXPORT) || \
-    defined(PSA_WANT_KEY_TYPE_DH_KEY_PAIR_GENERATE)
-#define MBEDTLS_PSA_WANT_KEY_TYPE_DH_KEY_PAIR_LEGACY
+/* See description above */
+#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_BASIC)
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_IMPORT 1
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_EXPORT 1
 #endif

-/* Temporary internal migration helpers */
-#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_BASIC) || \
-    defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_IMPORT) || \
-    defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_EXPORT) || \
-    defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
-#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_LEGACY
+/* See description above */
+#if defined(PSA_WANT_KEY_TYPE_DH_KEY_PAIR_BASIC)
+#define PSA_WANT_KEY_TYPE_DH_KEY_PAIR_IMPORT 1
+#define PSA_WANT_KEY_TYPE_DH_KEY_PAIR_EXPORT 1
 #endif

-/* Temporary internal migration helpers */
-#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR_BASIC) || \
-    defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR_IMPORT) || \
-    defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR_EXPORT) || \
-    defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR_GENERATE)
-#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR_LEGACY
+/* See description above */
+#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR_BASIC)
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR_IMPORT 1
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR_EXPORT 1
 #endif

 /* These features are always enabled. */
--- a/include/mbedtls/constant_time.h
+++ b/include/mbedtls/constant_time.h
@@ -23,20 +23,22 @@

 #include <stddef.h>

-
 /** Constant-time buffer comparison without branches.
 *
 * This is equivalent to the standard memcmp function, but is likely to be
- * compiled to code using bitwise operation rather than a branch.
+ * compiled to code using bitwise operations rather than a branch, such that
+ * the time taken is constant w.r.t. the data pointed to by \p a and \p b,
+ * and w.r.t. whether \p a and \p b are equal or not. It is not constant-time
+ * w.r.t. \p n .
 *
 * This function can be used to write constant-time code by replacing branches
 * with bit operations using masks.
 *
- * \param a     Pointer to the first buffer.
- * \param b     Pointer to the second buffer.
- * \param n     The number of bytes to compare in the buffer.
+ * \param a     Pointer to the first buffer, containing at least \p n bytes. May not be NULL.
+ * \param b     Pointer to the second buffer, containing at least \p n bytes. May not be NULL.
+ * \param n     The number of bytes to compare.
 *
- * \return      Zero if the content of the two buffer is the same,
+ * \return      Zero if the contents of the two buffers are the same,
 *              otherwise non-zero.
 */
 int mbedtls_ct_memcmp(const void *a,
--- a/include/mbedtls/debug.h
+++ b/include/mbedtls/debug.h
@@ -280,7 +280,10 @@ void mbedtls_debug_print_crt(const mbedtls_ssl_context *ssl, int level,
                             const char *text, const mbedtls_x509_crt *crt);
 #endif

-#if defined(MBEDTLS_ECDH_C)
+/* Note: the MBEDTLS_ECDH_C guard here is mandatory because this debug function
+         only works for the built-in implementation. */
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_ANY_ENABLED) && \
+    defined(MBEDTLS_ECDH_C)
 typedef enum {
    MBEDTLS_DEBUG_ECDH_Q,
    MBEDTLS_DEBUG_ECDH_QP,
@@ -307,7 +310,8 @@ void mbedtls_debug_printf_ecdh(const mbedtls_ssl_context *ssl, int level,
                               const char *file, int line,
                               const mbedtls_ecdh_context *ecdh,
                               mbedtls_debug_ecdh_attr attr);
-#endif
+#endif /* MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_ANY_ENABLED &&
+          MBEDTLS_ECDH_C */

 #ifdef __cplusplus
 }
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -197,6 +197,27 @@ mbedtls_ecp_point;
 * odd prime as mbedtls_ecp_mul() requires an odd number, and
 * mbedtls_ecdsa_sign() requires that it is prime for blinding purposes.
 *
+ * The default implementation only initializes \p A without setting it to the
+ * authentic value for curves with <code>A = -3</code>(SECP256R1, etc), in which
+ * case you need to load \p A by yourself when using domain parameters directly,
+ * for example:
+ * \code
+ * mbedtls_mpi_init(&A);
+ * mbedtls_ecp_group_init(&grp);
+ * CHECK_RETURN(mbedtls_ecp_group_load(&grp, grp_id));
+ * if (mbedtls_ecp_group_a_is_minus_3(&grp)) {
+ *     CHECK_RETURN(mbedtls_mpi_sub_int(&A, &grp.P, 3));
+ * } else {
+ *     CHECK_RETURN(mbedtls_mpi_copy(&A, &grp.A));
+ * }
+ *
+ * do_something_with_a(&A);
+ *
+ * cleanup:
+ * mbedtls_mpi_free(&A);
+ * mbedtls_ecp_group_free(&grp);
+ * \endcode
+ *
 * For Montgomery curves, we do not store \p A, but <code>(A + 2) / 4</code>,
 * which is the quantity used in the formulas. Additionally, \p nbits is
 * not the size of \p N but the required size for private keys.
@@ -223,8 +244,11 @@ mbedtls_ecp_point;
 typedef struct mbedtls_ecp_group {
    mbedtls_ecp_group_id id;    /*!< An internal group identifier. */
    mbedtls_mpi P;              /*!< The prime modulus of the base field. */
-    mbedtls_mpi A;              /*!< For Short Weierstrass: \p A in the equation. For
-                                     Montgomery curves: <code>(A + 2) / 4</code>. */
+    mbedtls_mpi A;              /*!< For Short Weierstrass: \p A in the equation. Note that
+                                     \p A is not set to the authentic value in some cases.
+                                     Refer to detailed description of ::mbedtls_ecp_group if
+                                     using domain parameters in the structure.
+                                     For Montgomery curves: <code>(A + 2) / 4</code>. */
    mbedtls_mpi B;              /*!< For Short Weierstrass: \p B in the equation.
                                     For Montgomery curves: unused. */
    mbedtls_ecp_point G;        /*!< The generator of the subgroup used. */
@@ -991,6 +1015,26 @@ int mbedtls_ecp_mul_restartable(mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
                                mbedtls_ecp_restart_ctx *rs_ctx);

 #if defined(MBEDTLS_ECP_SHORT_WEIERSTRASS_ENABLED)
+/**
+ * \brief           This function checks if domain parameter A of the curve is
+ *                  \c -3.
+ *
+ * \note            This function is only defined for short Weierstrass curves.
+ *                  It may not be included in builds without any short
+ *                  Weierstrass curve.
+ *
+ * \param grp       The ECP group to use.
+ *                  This must be initialized and have group parameters
+ *                  set, for example through mbedtls_ecp_group_load().
+ *
+ * \return          \c 1 if <code>A = -3</code>.
+ * \return          \c 0 Otherwise.
+ */
+static inline int mbedtls_ecp_group_a_is_minus_3(const mbedtls_ecp_group *grp)
+{
+    return grp->A.MBEDTLS_PRIVATE(p) == NULL;
+}
+
 /**
 * \brief           This function performs multiplication and addition of two
 *                  points by integers: \p R = \p m * \p P + \p n * \p Q
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -1998,8 +1998,15 @@
 * If the symbol #MBEDTLS_PSA_CRYPTO_CONFIG_FILE is defined, it specifies
 * an alternative header to include instead of include/psa/crypto_config.h.
 *
- * This feature is still experimental and is not ready for production since
- * it is not completed.
+ * \warning This option is experimental, in that the set of `PSA_WANT_XXX`
+ *          symbols is not completely finalized yet, and the configuration
+ *          tooling is not ideally adapted to having two separate configuration
+ *          files.
+ *          Future minor releases of Mbed TLS may make minor changes to those
+ *          symbols, but we will endeavor to provide a transition path.
+ *          Nonetheless, this option is considered mature enough to use in
+ *          production, as long as you accept that you may need to make
+ *          minor changes to psa/crypto_config.h when upgrading Mbed TLS.
 */
 //#define MBEDTLS_PSA_CRYPTO_CONFIG

@@ -3781,6 +3788,9 @@
 */
 //#define MBEDTLS_PSA_KEY_SLOT_COUNT 32

+/* RSA OPTIONS */
+#define MBEDTLS_RSA_GEN_KEY_MIN_BITS            1024 /**<  Minimum RSA key size that can be generated in bits (Minimum possible value is 128 bits) */
+
 /* SSL Cache options */
 //#define MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT       86400 /**< 1 day  */
 //#define MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES      50 /**< Maximum entries in cache */
@@ -3997,4 +4007,13 @@
 */
 //#define MBEDTLS_P256M_EXAMPLE_DRIVER_ENABLED

+
+/**
+ * Uncomment to enable using new bignum code in the ECC modules.
+ *
+ * \warning This is currently experimental, incomplete and therefore should not
+ * be used in production.
+ */
+//#define MBEDTLS_ECP_WITH_MPI_UINT
+
 /** \} name SECTION: Module configuration options */
--- a/include/mbedtls/md.h
+++ b/include/mbedtls/md.h
@@ -467,8 +467,8 @@ const int *mbedtls_md_list(void);
 const mbedtls_md_info_t *mbedtls_md_info_from_string(const char *md_name);

 /**
- * \brief           This function extracts the message-digest name from the
- *                  message-digest information structure.
+ * \brief           This function returns the name of the message digest for
+ *                  the message-digest information structure given.
 *
 * \param md_info   The information structure of the message-digest algorithm
 *                  to use.
--- a/include/mbedtls/pk.h
+++ b/include/mbedtls/pk.h
@@ -171,40 +171,9 @@ typedef struct mbedtls_pk_rsassa_pss_options {
 #endif
 #endif /* defined(MBEDTLS_USE_PSA_CRYPTO) */

-/**
- * \brief   The following defines are meant to list ECDSA capabilities of the
- *          PK module in a general way (without any reference to how this
- *          is achieved, which can be either through PSA driver or
- *          MBEDTLS_ECDSA_C)
- */
-#if !defined(MBEDTLS_USE_PSA_CRYPTO)
-#if defined(MBEDTLS_ECDSA_C)
-#define MBEDTLS_PK_CAN_ECDSA_SIGN
-#define MBEDTLS_PK_CAN_ECDSA_VERIFY
-#endif
-#else /* MBEDTLS_USE_PSA_CRYPTO */
-#if defined(PSA_WANT_ALG_ECDSA)
-#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC)
-#define MBEDTLS_PK_CAN_ECDSA_SIGN
-#endif
-#if defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY)
-#define MBEDTLS_PK_CAN_ECDSA_VERIFY
-#endif
-#endif /* PSA_WANT_ALG_ECDSA */
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-
-#if defined(MBEDTLS_PK_CAN_ECDSA_VERIFY) || defined(MBEDTLS_PK_CAN_ECDSA_SIGN)
-#define MBEDTLS_PK_CAN_ECDSA_SOME
-#endif
-
-#if (defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_ALG_ECDH)) || \
-    (!defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_ECDH_C))
-#define MBEDTLS_PK_CAN_ECDH
-#endif
-
 /* Internal helper to define which fields in the pk_context structure below
 * should be used for EC keys: legacy ecp_keypair or the raw (PSA friendly)
- * format. It should be noticed that this only affect how data is stored, not
+ * format. It should be noticed that this only affects how data is stored, not
 * which functions are used for various operations. The overall picture looks
 * like this:
 * - if USE_PSA is not defined and ECP_C is then use ecp_keypair data structure
@@ -231,6 +200,28 @@ typedef struct mbedtls_pk_rsassa_pss_options {
 #define MBEDTLS_PK_HAVE_ECC_KEYS
 #endif /* MBEDTLS_PK_USE_PSA_EC_DATA || MBEDTLS_ECP_C */

+/* Internal helper to define which fields in the pk_context structure below
+ * should be used for EC keys: legacy ecp_keypair or the raw (PSA friendly)
+ * format. It should be noted that this only affect how data is stored, not
+ * which functions are used for various operations. The overall picture looks
+ * like this:
+ * - if USE_PSA is not defined and ECP_C is then use ecp_keypair data structure
+ *   and legacy functions
+ * - if USE_PSA is defined and
+ *     - if ECP_C then use ecp_keypair structure, convert data to a PSA friendly
+ *       format and use PSA functions
+ *     - if !ECP_C then use new raw data and PSA functions directly.
+ *
+ * The main reason for the "intermediate" (USE_PSA + ECP_C) above is that as long
+ * as ECP_C is defined mbedtls_pk_ec() gives the user read/write access to the
+ * ecp_keypair structure inside the pk_context so they can modify it using
+ * ECP functions which are not under the PK module's control.
+ */
+#if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY) && \
+    !defined(MBEDTLS_ECP_C)
+#define MBEDTLS_PK_USE_PSA_EC_DATA
+#endif /* MBEDTLS_USE_PSA_CRYPTO && !MBEDTLS_ECP_C */
+
 /**
 * \brief           Types for interfacing with the debug module
 */
--- a/include/mbedtls/rsa.h
+++ b/include/mbedtls/rsa.h
@@ -85,6 +85,12 @@ extern "C" {
 // Regular implementation
 //

+#if !defined(MBEDTLS_RSA_GEN_KEY_MIN_BITS)
+#define MBEDTLS_RSA_GEN_KEY_MIN_BITS 1024
+#elif MBEDTLS_RSA_GEN_KEY_MIN_BITS < 128
+#error "MBEDTLS_RSA_GEN_KEY_MIN_BITS must be at least 128 bits"
+#endif
+
 /**
 * \brief   The RSA context structure.
 */
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -42,7 +42,7 @@

 #include "mbedtls/md.h"

-#if defined(MBEDTLS_ECDH_C)
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_ANY_ENABLED)
 #include "mbedtls/ecdh.h"
 #endif

@@ -619,6 +619,7 @@

 /* Dummy type used only for its size */
 union mbedtls_ssl_premaster_secret {
+    unsigned char dummy; /* Make the union non-empty even with SSL disabled */
 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
    unsigned char _pms_rsa[48];                         /* RFC 5246 8.1.1 */
 #endif
--- a/include/mbedtls/ssl_ciphersuites.h
+++ b/include/mbedtls/ssl_ciphersuites.h
@@ -346,11 +346,6 @@ typedef enum {
 #define MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED
 #endif

-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) || \
-    defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_PSK_ENABLED)
-#define MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED
-#endif
-
 /* Key exchanges using DHE */
 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)       || \
    defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
@@ -364,6 +359,62 @@ typedef enum {
 #define MBEDTLS_KEY_EXCHANGE_SOME_ECDHE_ENABLED
 #endif

+/* TLS 1.2 key exchanges using ECDH or ECDHE*/
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDH_ENABLED) || \
+    defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDHE_ENABLED)
+#define MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_1_2_ENABLED
+#endif
+
+/* TLS 1.3 PSK key exchanges */
+#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ENABLED) || \
+    defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED)
+#define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_PSK_ENABLED
+#endif
+
+/* TLS 1.2 or 1.3 key exchanges with PSK */
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) || \
+    defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_PSK_ENABLED)
+#define MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED
+#endif
+
+/* TLS 1.3 ephemeral key exchanges */
+#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED) || \
+    defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED)
+#define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED
+#endif
+
+/* TLS 1.3 key exchanges using ECDHE */
+#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED) && \
+    defined(PSA_WANT_ALG_ECDH)
+#define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_ECDHE_ENABLED
+#endif
+
+/* TLS 1.2 or 1.3 key exchanges using ECDH or ECDHE */
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_1_2_ENABLED) || \
+    defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_ECDHE_ENABLED)
+#define MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_ANY_ENABLED
+#endif
+
+/* TLS 1.2 XXDH key exchanges: ECDH or ECDHE or FFDH */
+#if (defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_1_2_ENABLED) || \
+    defined(MBEDTLS_KEY_EXCHANGE_SOME_DHE_ENABLED))
+#define MBEDTLS_KEY_EXCHANGE_SOME_XXDH_1_2_ENABLED
+#endif
+
+/* The handshake params structure has a set of fields called xxdh_psa which are used:
+ * - by TLS 1.2 with `USE_PSA` to do ECDH or ECDHE;
+ * - by TLS 1.3 to do ECDHE or FFDHE.
+ * The following macros can be used to guard their declaration and use.
+ */
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_ECDH_OR_ECDHE_1_2_ENABLED) && \
+    defined(MBEDTLS_USE_PSA_CRYPTO)
+#define MBEDTLS_KEY_EXCHANGE_SOME_XXDH_PSA_1_2_ENABLED
+#endif
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_XXDH_PSA_1_2_ENABLED) || \
+    defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED)
+#define MBEDTLS_KEY_EXCHANGE_SOME_XXDH_PSA_ANY_ENABLED
+#endif
+
 typedef struct mbedtls_ssl_ciphersuite_t mbedtls_ssl_ciphersuite_t;

 #define MBEDTLS_CIPHERSUITE_WEAK       0x01    /**< Weak ciphersuite flag  */
--- a/include/mbedtls/x509.h
+++ b/include/mbedtls/x509.h
@@ -503,7 +503,8 @@ int mbedtls_x509_write_names(unsigned char **p, unsigned char *start,
                             mbedtls_asn1_named_data *first);
 int mbedtls_x509_write_sig(unsigned char **p, unsigned char *start,
                           const char *oid, size_t oid_len,
-                           unsigned char *sig, size_t size);
+                           unsigned char *sig, size_t size,
+                           mbedtls_pk_type_t pk_alg);
 int mbedtls_x509_get_ns_cert_type(unsigned char **p,
                                  const unsigned char *end,
                                  unsigned char *ns_cert_type);
@@ -525,6 +526,9 @@ int mbedtls_x509_info_cert_type(char **buf, size_t *size,
 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.
 *
--- a/include/psa/crypto_builtin_key_derivation.h
+++ b/include/psa/crypto_builtin_key_derivation.h
@@ -105,7 +105,7 @@ typedef struct psa_tls12_prf_key_derivation_s {
 } 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 @@ typedef struct {
    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 */
--- 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
--- a/include/psa/crypto_driver_contexts_key_derivation.h
+++ b/include/psa/crypto_driver_contexts_key_derivation.h
@@ -55,7 +55,7 @@ typedef union {
 #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;
--- a/include/psa/crypto_legacy.h
+++ b/include/psa/crypto_legacy.h
@@ -4,8 +4,8 @@
 * \brief Add temporary suppport for deprecated symbols before they are
 *        removed from the library.
 *
- * PSA_WANT_KEY_TYPE_xxx_KEY_PAIR_LEGACY and
- * MBEDTLS_PSA_ACCEL_KEY_TYPE_xxx_KEY_PAIR_LEGACY symbols are deprecated.
+ * PSA_WANT_KEY_TYPE_xxx_KEY_PAIR and MBEDTLS_PSA_ACCEL_KEY_TYPE_xxx_KEY_PAIR
+ * symbols are deprecated.
 * New symols add a suffix to that base name in order to clearly state what is
 * the expected use for the key (use, import, export, generate, derive).
 * Here we define some backward compatibility support for uses stil using
--- a/include/psa/crypto_sizes.h
+++ b/include/psa/crypto_sizes.h
@@ -208,6 +208,18 @@
 * operations, and does not need to accept all key sizes up to the limit. */
 #define PSA_VENDOR_RSA_MAX_KEY_BITS 4096u

+/* The minimum size of an RSA key on this implementation, in bits.
+ * This is a vendor-specific macro.
+ *
+ * Limits RSA key generation to a minimum due to avoid accidental misuse.
+ * This value cannot be less than 128 bits.
+ */
+#if defined(MBEDTLS_RSA_GEN_KEY_MIN_BITS)
+#define PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS MBEDTLS_RSA_GEN_KEY_MIN_BITS
+#else
+#define PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS 1024
+#endif
+
 /* The maximum size of an DH key on this implementation, in bits.
 *
 * Note that an implementation may set different size limits for different
@@ -633,10 +645,18 @@
 * This macro expands to a compile-time constant integer. This value
 * is the maximum size of a signature in bytes.
 */
-#define PSA_SIGNATURE_MAX_SIZE                               \
-    (PSA_BITS_TO_BYTES(PSA_VENDOR_RSA_MAX_KEY_BITS) > PSA_VENDOR_ECDSA_SIGNATURE_MAX_SIZE ? \
-     PSA_BITS_TO_BYTES(PSA_VENDOR_RSA_MAX_KEY_BITS) :                   \
-     PSA_VENDOR_ECDSA_SIGNATURE_MAX_SIZE)
+#define PSA_SIGNATURE_MAX_SIZE      1
+
+#if (defined(PSA_WANT_ALG_ECDSA) || defined(PSA_WANT_ALG_DETERMINISTIC_ECDSA)) && \
+    (PSA_VENDOR_ECDSA_SIGNATURE_MAX_SIZE > PSA_SIGNATURE_MAX_SIZE)
+#undef PSA_SIGNATURE_MAX_SIZE
+#define PSA_SIGNATURE_MAX_SIZE      PSA_VENDOR_ECDSA_SIGNATURE_MAX_SIZE
+#endif
+#if (defined(PSA_WANT_ALG_RSA_PKCS1V15_SIGN) || defined(PSA_WANT_ALG_RSA_PSS)) && \
+    (PSA_BITS_TO_BYTES(PSA_VENDOR_RSA_MAX_KEY_BITS) > PSA_SIGNATURE_MAX_SIZE)
+#undef PSA_SIGNATURE_MAX_SIZE
+#define PSA_SIGNATURE_MAX_SIZE      PSA_BITS_TO_BYTES(PSA_VENDOR_RSA_MAX_KEY_BITS)
+#endif

 /** Sufficient output buffer size for psa_asymmetric_encrypt().
 *
@@ -948,10 +968,29 @@
 *
 * See also #PSA_EXPORT_KEY_OUTPUT_SIZE(\p key_type, \p key_bits).
 */
-#define PSA_EXPORT_KEY_PAIR_MAX_SIZE                                                        \
-    PSA_MAX_OF_THREE(PSA_KEY_EXPORT_RSA_KEY_PAIR_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS),     \
-                     PSA_KEY_EXPORT_ECC_KEY_PAIR_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS),   \
-                     PSA_KEY_EXPORT_FFDH_KEY_PAIR_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS))
+#define PSA_EXPORT_KEY_PAIR_MAX_SIZE            1
+
+#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC) && \
+    (PSA_KEY_EXPORT_ECC_KEY_PAIR_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS) > \
+     PSA_EXPORT_KEY_PAIR_MAX_SIZE)
+#undef PSA_EXPORT_KEY_PAIR_MAX_SIZE
+#define PSA_EXPORT_KEY_PAIR_MAX_SIZE    \
+    PSA_KEY_EXPORT_ECC_KEY_PAIR_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS)
+#endif
+#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC) && \
+    (PSA_KEY_EXPORT_RSA_KEY_PAIR_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS) > \
+     PSA_EXPORT_KEY_PAIR_MAX_SIZE)
+#undef PSA_EXPORT_KEY_PAIR_MAX_SIZE
+#define PSA_EXPORT_KEY_PAIR_MAX_SIZE    \
+    PSA_KEY_EXPORT_RSA_KEY_PAIR_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS)
+#endif
+#if defined(PSA_WANT_KEY_TYPE_DH_KEY_PAIR_BASIC) && \
+    (PSA_KEY_EXPORT_FFDH_KEY_PAIR_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS) > \
+     PSA_EXPORT_KEY_PAIR_MAX_SIZE)
+#undef PSA_EXPORT_KEY_PAIR_MAX_SIZE
+#define PSA_EXPORT_KEY_PAIR_MAX_SIZE    \
+    PSA_KEY_EXPORT_FFDH_KEY_PAIR_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS)
+#endif

 /** Sufficient buffer size for exporting any asymmetric public key.
 *
@@ -962,11 +1001,29 @@
 *
 * See also #PSA_EXPORT_PUBLIC_KEY_OUTPUT_SIZE(\p key_type, \p key_bits).
 */
-#define PSA_EXPORT_PUBLIC_KEY_MAX_SIZE                                                        \
-    PSA_MAX_OF_THREE(PSA_KEY_EXPORT_RSA_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS),     \
-                     PSA_KEY_EXPORT_ECC_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS),   \
-                     PSA_KEY_EXPORT_FFDH_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS))
+#define PSA_EXPORT_PUBLIC_KEY_MAX_SIZE            1

+#if defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY) && \
+    (PSA_KEY_EXPORT_ECC_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS) > \
+     PSA_EXPORT_PUBLIC_KEY_MAX_SIZE)
+#undef PSA_EXPORT_PUBLIC_KEY_MAX_SIZE
+#define PSA_EXPORT_PUBLIC_KEY_MAX_SIZE    \
+    PSA_KEY_EXPORT_ECC_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS)
+#endif
+#if defined(PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY) && \
+    (PSA_KEY_EXPORT_RSA_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS) > \
+     PSA_EXPORT_PUBLIC_KEY_MAX_SIZE)
+#undef PSA_EXPORT_PUBLIC_KEY_MAX_SIZE
+#define PSA_EXPORT_PUBLIC_KEY_MAX_SIZE    \
+    PSA_KEY_EXPORT_RSA_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS)
+#endif
+#if defined(PSA_WANT_KEY_TYPE_DH_PUBLIC_KEY) && \
+    (PSA_KEY_EXPORT_FFDH_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS) > \
+     PSA_EXPORT_PUBLIC_KEY_MAX_SIZE)
+#undef PSA_EXPORT_PUBLIC_KEY_MAX_SIZE
+#define PSA_EXPORT_PUBLIC_KEY_MAX_SIZE    \
+    PSA_KEY_EXPORT_FFDH_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS)
+#endif

 /** Sufficient output buffer size for psa_raw_key_agreement().
 *
@@ -1002,11 +1059,18 @@
 *
 * See also #PSA_RAW_KEY_AGREEMENT_OUTPUT_SIZE(\p key_type, \p key_bits).
 */
-#define PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE             \
-    (PSA_BITS_TO_BYTES(PSA_VENDOR_ECC_MAX_CURVE_BITS) >   \
-     PSA_BITS_TO_BYTES(PSA_VENDOR_FFDH_MAX_KEY_BITS) ?    \
-     PSA_BITS_TO_BYTES(PSA_VENDOR_ECC_MAX_CURVE_BITS) :   \
-     PSA_BITS_TO_BYTES(PSA_VENDOR_FFDH_MAX_KEY_BITS))
+#define PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE       1
+
+#if defined(PSA_WANT_ALG_ECDH) && \
+    (PSA_BITS_TO_BYTES(PSA_VENDOR_ECC_MAX_CURVE_BITS) > PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE)
+#undef PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE
+#define PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE    PSA_BITS_TO_BYTES(PSA_VENDOR_ECC_MAX_CURVE_BITS)
+#endif
+#if defined(PSA_WANT_ALG_FFDH) && \
+    (PSA_BITS_TO_BYTES(PSA_VENDOR_FFDH_MAX_KEY_BITS) > PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE)
+#undef PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE
+#define PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE    PSA_BITS_TO_BYTES(PSA_VENDOR_FFDH_MAX_KEY_BITS)
+#endif

 /** The default IV size for a cipher algorithm, in bytes.
 *
--- 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)