diff --git a/include/mbedtls/memory_buffer_alloc.h b/include/mbedtls/memory_buffer_alloc.h
index 857fa5e..0b07974 100644
--- a/include/mbedtls/memory_buffer_alloc.h
+++ b/include/mbedtls/memory_buffer_alloc.h
@@ -91,6 +91,14 @@
 void mbedtls_memory_buffer_alloc_status( void );
 
 /**
+ * \brief   Get the number of alloc/free so far.
+ *
+ * \param alloc_count   Number of allocations.
+ * \param free_count    Number of frees.
+ */
+void mbedtls_memory_buffer_alloc_count_get( size_t *alloc_count, size_t *free_count );
+
+/**
  * \brief   Get the peak heap usage so far
  *
  * \param max_used      Peak number of bytes in use or committed. This
diff --git a/library/memory_buffer_alloc.c b/library/memory_buffer_alloc.c
index 0d5d27d..8c6b442 100644
--- a/library/memory_buffer_alloc.c
+++ b/library/memory_buffer_alloc.c
@@ -522,6 +522,12 @@
     }
 }
 
+void mbedtls_memory_buffer_alloc_count_get( size_t *alloc_count, size_t *free_count )
+{
+    *alloc_count = heap.alloc_count;
+    *free_count = heap.free_count;
+}
+
 void mbedtls_memory_buffer_alloc_max_get( size_t *max_used, size_t *max_blocks )
 {
     *max_used   = heap.maximum_used;
diff --git a/library/sha256.c b/library/sha256.c
index bdc396a..ac15ef8 100644
--- a/library/sha256.c
+++ b/library/sha256.c
@@ -357,6 +357,13 @@
     return( processed );
 }
 
+#if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT)
+/*
+ * This function is for internal use only if we are building both C and A64
+ * versions, otherwise it is renamed to be the public mbedtls_internal_sha256_process()
+ */
+static
+#endif
 int mbedtls_internal_sha256_process_a64_crypto( mbedtls_sha256_context *ctx,
         const unsigned char data[SHA256_BLOCK_SIZE] )
 {
@@ -402,6 +409,13 @@
         (d) += local.temp1; (h) = local.temp1 + local.temp2;        \
     } while( 0 )
 
+#if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT)
+/*
+ * This function is for internal use only if we are building both C and A64
+ * versions, otherwise it is renamed to be the public mbedtls_internal_sha256_process()
+ */
+static
+#endif
 int mbedtls_internal_sha256_process_c( mbedtls_sha256_context *ctx,
                                 const unsigned char data[SHA256_BLOCK_SIZE] )
 {
diff --git a/library/sha512.c b/library/sha512.c
index 71fbff0..be03ec3 100644
--- a/library/sha512.c
+++ b/library/sha512.c
@@ -527,6 +527,13 @@
     return( processed );
 }
 
+#if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT)
+/*
+ * This function is for internal use only if we are building both C and A64
+ * versions, otherwise it is renamed to be the public mbedtls_internal_sha512_process()
+ */
+static
+#endif
 int mbedtls_internal_sha512_process_a64_crypto( mbedtls_sha512_context *ctx,
                               const unsigned char data[SHA512_BLOCK_SIZE] )
 {
@@ -545,6 +552,13 @@
 
 #if !defined(MBEDTLS_SHA512_PROCESS_ALT) && !defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY)
 
+#if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT)
+/*
+ * This function is for internal use only if we are building both C and A64
+ * versions, otherwise it is renamed to be the public mbedtls_internal_sha512_process()
+ */
+static
+#endif
 int mbedtls_internal_sha512_process_c( mbedtls_sha512_context *ctx,
                                        const unsigned char data[SHA512_BLOCK_SIZE] )
 {
@@ -676,7 +690,7 @@
 
 #if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT)
 
-int mbedtls_a64_crypto_sha512_has_support( void )
+static int mbedtls_a64_crypto_sha512_has_support( void )
 {
     static int done = 0;
     static int supported = 0;
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 99257b0..e8acc23 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -622,7 +622,9 @@
  * seem correct.
  */
 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
+#if !defined(MBEDTLS_USE_PSA_CRYPTO)
     mbedtls_ecdh_context ecdh_ctx;              /*!<  ECDH key exchange       */
+#endif /* !MBEDTLS_USE_PSA_CRYPTO */
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
     psa_key_type_t ecdh_psa_type;
@@ -1787,6 +1789,16 @@
 
 int mbedtls_ssl_reset_transcript_for_hrr( mbedtls_ssl_context *ssl );
 
+#if defined(MBEDTLS_ECDH_C)
+int mbedtls_ssl_tls13_generate_and_write_ecdh_key_exchange(
+                mbedtls_ssl_context *ssl,
+                uint16_t named_group,
+                unsigned char *buf,
+                unsigned char *end,
+                size_t *out_len );
+#endif /* MBEDTLS_ECDH_C */
+
+
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index ab1d9e4..1702885 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -624,7 +624,7 @@
 #if defined(MBEDTLS_DHM_C)
     mbedtls_dhm_init( &handshake->dhm_ctx );
 #endif
-#if defined(MBEDTLS_ECDH_C)
+#if !defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_ECDH_C)
     mbedtls_ecdh_init( &handshake->ecdh_ctx );
 #endif
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
@@ -3212,7 +3212,7 @@
 #if defined(MBEDTLS_DHM_C)
     mbedtls_dhm_free( &handshake->dhm_ctx );
 #endif
-#if defined(MBEDTLS_ECDH_C)
+#if !defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_ECDH_C)
     mbedtls_ecdh_free( &handshake->ecdh_ctx );
 #endif
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
@@ -5442,6 +5442,11 @@
     const unsigned char *psk = NULL;
     size_t psk_len = 0;
 
+#if defined(MBEDTLS_USE_PSA_CRYPTO) &&                 \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
+    (void) key_ex;
+#endif /* MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
+
     if( mbedtls_ssl_get_psk( ssl, &psk, &psk_len )
             == MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED )
     {
@@ -5514,7 +5519,8 @@
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
+#if !defined(MBEDTLS_USE_PSA_CRYPTO) &&                 \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
     if( key_ex == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
     {
         int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
@@ -5535,7 +5541,7 @@
                                 MBEDTLS_DEBUG_ECDH_Z );
     }
     else
-#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
+#endif /* !MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
     {
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
         return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
diff --git a/library/ssl_tls12_client.c b/library/ssl_tls12_client.c
index 0c8c913..dcc7dfb 100644
--- a/library/ssl_tls12_client.c
+++ b/library/ssl_tls12_client.c
@@ -870,9 +870,11 @@
         if( p[0] == MBEDTLS_ECP_PF_UNCOMPRESSED ||
             p[0] == MBEDTLS_ECP_PF_COMPRESSED )
         {
-#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
+#if !defined(MBEDTLS_USE_PSA_CRYPTO) &&                             \
+    ( defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) )
             ssl->handshake->ecdh_ctx.point_format = p[0];
-#endif
+#endif /* !MBEDTLS_USE_PSA_CRYPTO &&
+          ( MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ) */
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
             mbedtls_ecjpake_set_point_format( &ssl->handshake->ecjpake_ctx,
                                               p[0] );
@@ -1764,51 +1766,11 @@
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
 
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
-    ( !defined(MBEDTLS_USE_PSA_CRYPTO) &&                                  \
-        ( defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) ) )
-static int ssl_check_server_ecdh_params( const mbedtls_ssl_context *ssl )
-{
-    const mbedtls_ecp_curve_info *curve_info;
-    mbedtls_ecp_group_id grp_id;
-#if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
-    grp_id = ssl->handshake->ecdh_ctx.grp.id;
-#else
-    grp_id = ssl->handshake->ecdh_ctx.grp_id;
-#endif
-
-    curve_info = mbedtls_ecp_curve_info_from_grp_id( grp_id );
-    if( curve_info == NULL )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
-    }
-
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDH curve: %s", curve_info->name ) );
-
-    if( mbedtls_ssl_check_curve( ssl, grp_id ) != 0 )
-        return( -1 );
-
-    MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
-                            MBEDTLS_DEBUG_ECDH_QP );
-
-    return( 0 );
-}
-#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-          MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
-          MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
-          ( !MBEDTLS_USE_PSA_CRYPTO &&
-            ( MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
-              MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED ) ) */
-
-#if defined(MBEDTLS_USE_PSA_CRYPTO) &&                           \
-        ( defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||     \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) )
-static int ssl_parse_server_ecdh_params_psa( mbedtls_ssl_context *ssl,
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+static int ssl_parse_server_ecdh_params( mbedtls_ssl_context *ssl,
                                              unsigned char **p,
                                              unsigned char *end )
 {
@@ -1871,13 +1833,35 @@
 
     return( 0 );
 }
-#endif /* MBEDTLS_USE_PSA_CRYPTO &&
-            ( MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-              MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ) */
+#else
+static int ssl_check_server_ecdh_params( const mbedtls_ssl_context *ssl )
+{
+    const mbedtls_ecp_curve_info *curve_info;
+    mbedtls_ecp_group_id grp_id;
+#if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
+    grp_id = ssl->handshake->ecdh_ctx.grp.id;
+#else
+    grp_id = ssl->handshake->ecdh_ctx.grp_id;
+#endif
 
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
+    curve_info = mbedtls_ecp_curve_info_from_grp_id( grp_id );
+    if( curve_info == NULL )
+    {
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+    }
+
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDH curve: %s", curve_info->name ) );
+
+    if( mbedtls_ssl_check_curve( ssl, grp_id ) != 0 )
+        return( -1 );
+
+    MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
+                            MBEDTLS_DEBUG_ECDH_QP );
+
+    return( 0 );
+}
+
 static int ssl_parse_server_ecdh_params( mbedtls_ssl_context *ssl,
                                          unsigned char **p,
                                          unsigned char *end )
@@ -1912,6 +1896,7 @@
 
     return( ret );
 }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
@@ -2337,31 +2322,8 @@
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED ||
           MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
-#if defined(MBEDTLS_USE_PSA_CRYPTO) &&                           \
-        ( defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||      \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) )
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA )
-    {
-        if( ssl_parse_server_ecdh_params_psa( ssl, &p, end ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
-            mbedtls_ssl_send_alert_message(
-                ssl,
-                MBEDTLS_SSL_ALERT_LEVEL_FATAL,
-                MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
-            return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
-        }
-    }
-    else
-#endif /* MBEDTLS_USE_PSA_CRYPTO &&
-            ( MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-              MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
-              MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ) */
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||     \
     defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
     if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
@@ -2831,16 +2793,16 @@
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED */
-#if defined(MBEDTLS_USE_PSA_CRYPTO) &&                           \
-        ( defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||   \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||      \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) )
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
     if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
     {
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
         psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
         psa_status_t destruction_status = PSA_ERROR_CORRUPTION_DETECTED;
         psa_key_attributes_t key_attributes;
@@ -2911,22 +2873,7 @@
 
         if( status != PSA_SUCCESS || destruction_status != PSA_SUCCESS )
             return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
-    }
-    else
-#endif /* MBEDTLS_USE_PSA_CRYPTO &&
-            ( MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-              MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
-              MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
-              MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA) */
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
-    {
+#else
         /*
          * ECDH key exchange -- send client public value
          */
@@ -2986,6 +2933,7 @@
 
         MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
                                 MBEDTLS_DEBUG_ECDH_Z );
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
@@ -3239,15 +3187,10 @@
         }
         else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
+#if !defined(MBEDTLS_USE_PSA_CRYPTO) &&                             \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
         if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
         {
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-            /* Opaque PSKs are currently only supported for PSK-only suites. */
-            if( ssl_conf_has_static_raw_psk( ssl->conf ) == 0 )
-                return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-
             /*
              * ClientECDiffieHellmanPublic public;
              */
@@ -3266,7 +3209,7 @@
                                     MBEDTLS_DEBUG_ECDH_Q );
         }
         else
-#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
+#endif /* !MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
         {
             MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
             return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
diff --git a/library/ssl_tls12_server.c b/library/ssl_tls12_server.c
index 0bc668f..8866d4f 100644
--- a/library/ssl_tls12_server.c
+++ b/library/ssl_tls12_server.c
@@ -448,9 +448,11 @@
         if( p[0] == MBEDTLS_ECP_PF_UNCOMPRESSED ||
             p[0] == MBEDTLS_ECP_PF_COMPRESSED )
         {
-#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
+#if !defined(MBEDTLS_USE_PSA_CRYPTO) &&                             \
+    ( defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) )
             ssl->handshake->ecdh_ctx.point_format = p[0];
-#endif
+#endif /* !MBEDTLS_USE_PSA_CRYPTO &&
+          ( MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ) */
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
             mbedtls_ecjpake_set_point_format( &ssl->handshake->ecjpake_ctx,
                                               p[0] );
@@ -3136,123 +3138,116 @@
         MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDHE curve: %s", (*curve)->name ) );
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
-        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
-            ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
-            ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
+        psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+        psa_key_attributes_t key_attributes;
+        mbedtls_ssl_handshake_params *handshake = ssl->handshake;
+        size_t ecdh_bits = 0;
+        uint8_t *p = ssl->out_msg + ssl->out_msglen;
+        const size_t header_size = 4; // curve_type(1), namedcurve(2),
+                                      // data length(1)
+        const size_t data_length_size = 1;
+
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "Perform PSA-based ECDH computation." ) );
+
+        /* Convert EC group to PSA key type. */
+        handshake->ecdh_psa_type = mbedtls_psa_parse_tls_ecc_group(
+                    (*curve)->tls_id, &ecdh_bits );
+
+        if( handshake->ecdh_psa_type == 0 )
         {
-            psa_status_t status = PSA_ERROR_GENERIC_ERROR;
-            psa_key_attributes_t key_attributes;
-            mbedtls_ssl_handshake_params *handshake = ssl->handshake;
-            size_t ecdh_bits = 0;
-            uint8_t *p = ssl->out_msg + ssl->out_msglen;
-            const size_t header_size = 4; // curve_type(1), namedcurve(2),
-                                          // data length(1)
-            const size_t data_length_size = 1;
-
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "Perform PSA-based ECDH computation." ) );
-
-            /* Convert EC group to PSA key type. */
-            handshake->ecdh_psa_type = mbedtls_psa_parse_tls_ecc_group(
-                        (*curve)->tls_id, &ecdh_bits );
-
-            if( handshake->ecdh_psa_type == 0 )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1, ( "Invalid ecc group parse." ) );
-                return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
-            }
-            handshake->ecdh_bits = ecdh_bits;
-
-            key_attributes = psa_key_attributes_init();
-            psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
-            psa_set_key_algorithm( &key_attributes, PSA_ALG_ECDH );
-            psa_set_key_type( &key_attributes, handshake->ecdh_psa_type );
-            psa_set_key_bits( &key_attributes, handshake->ecdh_bits );
-
-            /*
-             * ECParameters curve_params
-             *
-             * First byte is curve_type, always named_curve
-             */
-            *p++ = MBEDTLS_ECP_TLS_NAMED_CURVE;
-
-            /*
-             * Next two bytes are the namedcurve value
-             */
-            MBEDTLS_PUT_UINT16_BE( (*curve)->tls_id, p, 0 );
-            p += 2;
-
-            /* Generate ECDH private key. */
-            status = psa_generate_key( &key_attributes,
-                                       &handshake->ecdh_psa_privkey );
-            if( status != PSA_SUCCESS )
-            {
-                ret = psa_ssl_status_to_mbedtls( status );
-                MBEDTLS_SSL_DEBUG_RET( 1, "psa_generate_key", ret );
-                return( ret );
-            }
-
-            /*
-             * ECPoint  public
-             *
-             * First byte is data length.
-             * It will be filled later. p holds now the data length location.
-             */
-
-            /* Export the public part of the ECDH private key from PSA.
-             * Make one byte space for the length.
-             */
-            unsigned char *own_pubkey = p + data_length_size;
-
-            size_t own_pubkey_max_len = (size_t)( MBEDTLS_SSL_OUT_CONTENT_LEN
-                                        - ( own_pubkey - ssl->out_msg ) );
-
-            status = psa_export_public_key( handshake->ecdh_psa_privkey,
-                                            own_pubkey, own_pubkey_max_len,
-                                            &len );
-            if( status != PSA_SUCCESS )
-            {
-                ret = psa_ssl_status_to_mbedtls( status );
-                MBEDTLS_SSL_DEBUG_RET( 1, "psa_export_public_key", ret );
-                (void) psa_destroy_key( handshake->ecdh_psa_privkey );
-                handshake->ecdh_psa_privkey = MBEDTLS_SVC_KEY_ID_INIT;
-                return( ret );
-            }
-
-            /* Store the length of the exported public key. */
-            *p = (uint8_t) len;
-
-            /* Determine full message length. */
-            len += header_size;
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "Invalid ecc group parse." ) );
+            return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
         }
-        else
+        handshake->ecdh_bits = ecdh_bits;
+
+        key_attributes = psa_key_attributes_init();
+        psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
+        psa_set_key_algorithm( &key_attributes, PSA_ALG_ECDH );
+        psa_set_key_type( &key_attributes, handshake->ecdh_psa_type );
+        psa_set_key_bits( &key_attributes, handshake->ecdh_bits );
+
+        /*
+         * ECParameters curve_params
+         *
+         * First byte is curve_type, always named_curve
+         */
+        *p++ = MBEDTLS_ECP_TLS_NAMED_CURVE;
+
+        /*
+         * Next two bytes are the namedcurve value
+         */
+        MBEDTLS_PUT_UINT16_BE( (*curve)->tls_id, p, 0 );
+        p += 2;
+
+        /* Generate ECDH private key. */
+        status = psa_generate_key( &key_attributes,
+                                   &handshake->ecdh_psa_privkey );
+        if( status != PSA_SUCCESS )
+        {
+            ret = psa_ssl_status_to_mbedtls( status );
+            MBEDTLS_SSL_DEBUG_RET( 1, "psa_generate_key", ret );
+            return( ret );
+        }
+
+        /*
+         * ECPoint  public
+         *
+         * First byte is data length.
+         * It will be filled later. p holds now the data length location.
+         */
+
+        /* Export the public part of the ECDH private key from PSA.
+         * Make one byte space for the length.
+         */
+        unsigned char *own_pubkey = p + data_length_size;
+
+        size_t own_pubkey_max_len = (size_t)( MBEDTLS_SSL_OUT_CONTENT_LEN
+                                    - ( own_pubkey - ssl->out_msg ) );
+
+        status = psa_export_public_key( handshake->ecdh_psa_privkey,
+                                        own_pubkey, own_pubkey_max_len,
+                                        &len );
+        if( status != PSA_SUCCESS )
+        {
+            ret = psa_ssl_status_to_mbedtls( status );
+            MBEDTLS_SSL_DEBUG_RET( 1, "psa_export_public_key", ret );
+            (void) psa_destroy_key( handshake->ecdh_psa_privkey );
+            handshake->ecdh_psa_privkey = MBEDTLS_SVC_KEY_ID_INIT;
+            return( ret );
+        }
+
+        /* Store the length of the exported public key. */
+        *p = (uint8_t) len;
+
+        /* Determine full message length. */
+        len += header_size;
+#else
+        if( ( ret = mbedtls_ecdh_setup( &ssl->handshake->ecdh_ctx,
+                                        (*curve)->grp_id ) ) != 0 )
+        {
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecp_group_load", ret );
+            return( ret );
+        }
+
+        if( ( ret = mbedtls_ecdh_make_params(
+                &ssl->handshake->ecdh_ctx, &len,
+                ssl->out_msg + ssl->out_msglen,
+                MBEDTLS_SSL_OUT_CONTENT_LEN - ssl->out_msglen,
+                ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 )
+        {
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_make_params", ret );
+            return( ret );
+        }
+
+        MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
+                                MBEDTLS_DEBUG_ECDH_Q );
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
-        {
-            if( ( ret = mbedtls_ecdh_setup( &ssl->handshake->ecdh_ctx,
-                                            (*curve)->grp_id ) ) != 0 )
-            {
-                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecp_group_load", ret );
-                return( ret );
-            }
-
-            if( ( ret = mbedtls_ecdh_make_params(
-                    &ssl->handshake->ecdh_ctx, &len,
-                    ssl->out_msg + ssl->out_msglen,
-                    MBEDTLS_SSL_OUT_CONTENT_LEN - ssl->out_msglen,
-                    ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 )
-            {
-                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_make_params", ret );
-                return( ret );
-            }
-        }
 
 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_SERVER_SIGNATURE_ENABLED)
         dig_signed = ssl->out_msg + ssl->out_msglen;
 #endif
 
         ssl->out_msglen += len;
-
-        MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
-                                MBEDTLS_DEBUG_ECDH_Q );
     }
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_ECDHE_ENABLED */
 
@@ -3899,16 +3894,16 @@
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED */
-#if defined(MBEDTLS_USE_PSA_CRYPTO) &&                           \
-        ( defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||     \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||   \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||      \
-          defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) )
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
     if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
         ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
     {
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
         size_t data_len = (size_t)( *p++ );
         size_t buf_len = (size_t)( end - p );
         psa_status_t status = PSA_ERROR_GENERIC_ERROR;
@@ -3963,22 +3958,7 @@
             }
         }
         handshake->ecdh_psa_privkey = MBEDTLS_SVC_KEY_ID_INIT;
-    }
-    else
-#endif /* MBEDTLS_USE_PSA_CRYPTO &&
-            ( MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-              MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
-              MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
-              MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED ) */
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
-    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
-        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
-    {
+#else
         if( ( ret = mbedtls_ecdh_read_public( &ssl->handshake->ecdh_ctx,
                                       p, end - p) ) != 0 )
         {
@@ -4001,6 +3981,7 @@
 
         MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
                                 MBEDTLS_DEBUG_ECDH_Z );
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
@@ -4116,10 +4097,10 @@
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
-#if defined(MBEDTLS_USE_PSA_CRYPTO) &&                           \
-        defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
     if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
     {
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
         psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
         psa_status_t destruction_status = PSA_ERROR_CORRUPTION_DETECTED;
         uint8_t ecpoint_len;
@@ -4221,13 +4202,7 @@
         psm += psk_len;
 
         ssl->handshake->pmslen = psm - ssl->handshake->premaster;
-    }
-    else
-#endif /* MBEDTLS_USE_PSA_CRYPTO &&
-            MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
-    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
-    {
+#else
         if( ( ret = ssl_parse_client_psk_identity( ssl, &p, end ) ) != 0 )
         {
             MBEDTLS_SSL_DEBUG_RET( 1, ( "ssl_parse_client_psk_identity" ), ret );
@@ -4241,12 +4216,6 @@
             return( MBEDTLS_ERR_SSL_DECODE_ERROR );
         }
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-        /* Opaque PSKs are currently only supported for PSK-only. */
-        if( ssl_use_opaque_psk( ssl ) == 1 )
-            return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
-#endif
-
         MBEDTLS_SSL_DEBUG_ECDH( 3, &ssl->handshake->ecdh_ctx,
                                 MBEDTLS_DEBUG_ECDH_QP );
 
@@ -4256,6 +4225,7 @@
             MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_psk_derive_premaster", ret );
             return( ret );
         }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index cf5b382..d024abf 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -204,65 +204,6 @@
 /*
  * Functions for writing key_share extension.
  */
-#if defined(MBEDTLS_ECDH_C)
-static int ssl_tls13_generate_and_write_ecdh_key_exchange(
-                mbedtls_ssl_context *ssl,
-                uint16_t named_group,
-                unsigned char *buf,
-                unsigned char *end,
-                size_t *out_len )
-{
-    psa_status_t status = PSA_ERROR_GENERIC_ERROR;
-    int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
-    psa_key_attributes_t key_attributes;
-    size_t own_pubkey_len;
-    mbedtls_ssl_handshake_params *handshake = ssl->handshake;
-    size_t ecdh_bits = 0;
-
-    MBEDTLS_SSL_DEBUG_MSG( 1, ( "Perform PSA-based ECDH computation." ) );
-
-    /* Convert EC group to PSA key type. */
-    if( ( handshake->ecdh_psa_type =
-        mbedtls_psa_parse_tls_ecc_group( named_group, &ecdh_bits ) ) == 0 )
-            return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
-
-    ssl->handshake->ecdh_bits = ecdh_bits;
-
-    key_attributes = psa_key_attributes_init();
-    psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
-    psa_set_key_algorithm( &key_attributes, PSA_ALG_ECDH );
-    psa_set_key_type( &key_attributes, handshake->ecdh_psa_type );
-    psa_set_key_bits( &key_attributes, handshake->ecdh_bits );
-
-    /* Generate ECDH private key. */
-    status = psa_generate_key( &key_attributes,
-                                &handshake->ecdh_psa_privkey );
-    if( status != PSA_SUCCESS )
-    {
-        ret = psa_ssl_status_to_mbedtls( status );
-        MBEDTLS_SSL_DEBUG_RET( 1, "psa_generate_key", ret );
-        return( ret );
-
-    }
-
-    /* Export the public part of the ECDH private key from PSA. */
-    status = psa_export_public_key( handshake->ecdh_psa_privkey,
-                                    buf, (size_t)( end - buf ),
-                                    &own_pubkey_len );
-    if( status != PSA_SUCCESS )
-    {
-        ret = psa_ssl_status_to_mbedtls( status );
-        MBEDTLS_SSL_DEBUG_RET( 1, "psa_export_public_key", ret );
-        return( ret );
-
-    }
-
-    *out_len = own_pubkey_len;
-
-    return( 0 );
-}
-#endif /* MBEDTLS_ECDH_C */
-
 static int ssl_tls13_get_default_group_id( mbedtls_ssl_context *ssl,
                                            uint16_t *group_id )
 {
@@ -367,8 +308,8 @@
          */
         MBEDTLS_SSL_CHK_BUF_PTR( p, end, 4 );
         p += 4;
-        ret = ssl_tls13_generate_and_write_ecdh_key_exchange( ssl, group_id, p, end,
-                                                              &key_exchange_len );
+        ret = mbedtls_ssl_tls13_generate_and_write_ecdh_key_exchange(
+                                    ssl, group_id, p, end, &key_exchange_len );
         p += key_exchange_len;
         if( ret != 0 )
             return( ret );
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index 4bee319..f5d791f 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -1535,6 +1535,63 @@
 
     return( 0 );
 }
+
+int mbedtls_ssl_tls13_generate_and_write_ecdh_key_exchange(
+                mbedtls_ssl_context *ssl,
+                uint16_t named_group,
+                unsigned char *buf,
+                unsigned char *end,
+                size_t *out_len )
+{
+    psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+    int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
+    psa_key_attributes_t key_attributes;
+    size_t own_pubkey_len;
+    mbedtls_ssl_handshake_params *handshake = ssl->handshake;
+    size_t ecdh_bits = 0;
+
+    MBEDTLS_SSL_DEBUG_MSG( 1, ( "Perform PSA-based ECDH computation." ) );
+
+    /* Convert EC group to PSA key type. */
+    if( ( handshake->ecdh_psa_type =
+        mbedtls_psa_parse_tls_ecc_group( named_group, &ecdh_bits ) ) == 0 )
+            return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+
+    ssl->handshake->ecdh_bits = ecdh_bits;
+
+    key_attributes = psa_key_attributes_init();
+    psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
+    psa_set_key_algorithm( &key_attributes, PSA_ALG_ECDH );
+    psa_set_key_type( &key_attributes, handshake->ecdh_psa_type );
+    psa_set_key_bits( &key_attributes, handshake->ecdh_bits );
+
+    /* Generate ECDH private key. */
+    status = psa_generate_key( &key_attributes,
+                                &handshake->ecdh_psa_privkey );
+    if( status != PSA_SUCCESS )
+    {
+        ret = psa_ssl_status_to_mbedtls( status );
+        MBEDTLS_SSL_DEBUG_RET( 1, "psa_generate_key", ret );
+        return( ret );
+
+    }
+
+    /* Export the public part of the ECDH private key from PSA. */
+    status = psa_export_public_key( handshake->ecdh_psa_privkey,
+                                    buf, (size_t)( end - buf ),
+                                    &own_pubkey_len );
+    if( status != PSA_SUCCESS )
+    {
+        ret = psa_ssl_status_to_mbedtls( status );
+        MBEDTLS_SSL_DEBUG_RET( 1, "psa_export_public_key", ret );
+        return( ret );
+
+    }
+
+    *out_len = own_pubkey_len;
+
+    return( 0 );
+}
 #endif /* MBEDTLS_ECDH_C */
 
 #endif /* MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_PROTO_TLS1_3 */
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index 8d1b1d8..d06b9a8 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -26,7 +26,7 @@
 #include "ssl_misc.h"
 #include "ssl_tls13_keys.h"
 #include "ssl_debug_helpers.h"
-#include <string.h>
+
 #if defined(MBEDTLS_ECP_C)
 #include "mbedtls/ecp.h"
 #endif /* MBEDTLS_ECP_C */
@@ -728,6 +728,333 @@
 }
 
 /*
+ * Handler for MBEDTLS_SSL_SERVER_HELLO
+ */
+static int ssl_tls13_prepare_server_hello( mbedtls_ssl_context *ssl )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+    unsigned char *server_randbytes =
+                    ssl->handshake->randbytes + MBEDTLS_CLIENT_HELLO_RANDOM_LEN;
+    if( ssl->conf->f_rng == NULL )
+    {
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "no RNG provided" ) );
+        return( MBEDTLS_ERR_SSL_NO_RNG );
+    }
+
+    if( ( ret = ssl->conf->f_rng( ssl->conf->p_rng, server_randbytes,
+                                  MBEDTLS_SERVER_HELLO_RANDOM_LEN ) ) != 0 )
+    {
+        MBEDTLS_SSL_DEBUG_RET( 1, "f_rng", ret );
+        return( ret );
+    }
+
+    MBEDTLS_SSL_DEBUG_BUF( 3, "server hello, random bytes", server_randbytes,
+                           MBEDTLS_SERVER_HELLO_RANDOM_LEN );
+
+#if defined(MBEDTLS_HAVE_TIME)
+    ssl->session_negotiate->start = time( NULL );
+#endif /* MBEDTLS_HAVE_TIME */
+
+    return( ret );
+}
+
+/*
+ * ssl_tls13_write_server_hello_supported_versions_ext ():
+ *
+ * struct {
+ *      ProtocolVersion selected_version;
+ * } SupportedVersions;
+ */
+static int ssl_tls13_write_server_hello_supported_versions_ext(
+                                                mbedtls_ssl_context *ssl,
+                                                unsigned char *buf,
+                                                unsigned char *end,
+                                                size_t *out_len )
+{
+    *out_len = 0;
+
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, write selected version" ) );
+
+    /* Check if we have space to write the extension:
+     * - extension_type         (2 bytes)
+     * - extension_data_length  (2 bytes)
+     * - selected_version       (2 bytes)
+     */
+    MBEDTLS_SSL_CHK_BUF_PTR( buf, end, 6 );
+
+    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_SUPPORTED_VERSIONS, buf, 0 );
+
+    MBEDTLS_PUT_UINT16_BE( 2, buf, 2 );
+
+    mbedtls_ssl_write_version( buf + 4,
+                               ssl->conf->transport,
+                               ssl->tls_version );
+
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "supported version: [%04x]",
+                                ssl->tls_version ) );
+
+    *out_len = 6;
+
+    return( 0 );
+}
+
+
+
+/* Generate and export a single key share. For hybrid KEMs, this can
+ * be called multiple times with the different components of the hybrid. */
+static int ssl_tls13_generate_and_write_key_share( mbedtls_ssl_context *ssl,
+                                                   uint16_t named_group,
+                                                   unsigned char *buf,
+                                                   unsigned char *end,
+                                                   size_t *out_len )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+
+    *out_len = 0;
+
+#if defined(MBEDTLS_ECDH_C)
+    if( mbedtls_ssl_tls13_named_group_is_ecdhe( named_group ) )
+    {
+        ret = mbedtls_ssl_tls13_generate_and_write_ecdh_key_exchange(
+                                        ssl, named_group, buf, end, out_len );
+        if( ret != 0 )
+        {
+            MBEDTLS_SSL_DEBUG_RET(
+                1, "mbedtls_ssl_tls13_generate_and_write_ecdh_key_exchange",
+                ret );
+            return( ret );
+        }
+    }
+    else
+#endif /* MBEDTLS_ECDH_C */
+    if( 0 /* Other kinds of KEMs */ )
+    {
+    }
+    else
+    {
+        ((void) ssl);
+        ((void) named_group);
+        ((void) buf);
+        ((void) end);
+        ret = MBEDTLS_ERR_SSL_INTERNAL_ERROR;
+    }
+
+    return( ret );
+}
+
+/*
+ * ssl_tls13_write_key_share_ext
+ *
+ * Structure of key_share extension in ServerHello:
+ *
+ * struct {
+ *     NamedGroup group;
+ *     opaque key_exchange<1..2^16-1>;
+ * } KeyShareEntry;
+ * struct {
+ *     KeyShareEntry server_share;
+ * } KeyShareServerHello;
+ */
+static int ssl_tls13_write_key_share_ext( mbedtls_ssl_context *ssl,
+                                          unsigned char *buf,
+                                          unsigned char *end,
+                                          size_t *out_len )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+    unsigned char *p = buf;
+    uint16_t group = ssl->handshake->offered_group_id;
+    unsigned char *server_share = buf + 4;
+    size_t key_exchange_length;
+
+    *out_len = 0;
+
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, adding key share extension" ) );
+
+    /* Check if we have space for header and length fields:
+     * - extension_type         (2 bytes)
+     * - extension_data_length  (2 bytes)
+     * - group                  (2 bytes)
+     * - key_exchange_length    (2 bytes)
+     */
+    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 8 );
+    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_KEY_SHARE, p, 0 );
+    MBEDTLS_PUT_UINT16_BE( group, server_share, 0 );
+    p += 8;
+
+    /* When we introduce PQC-ECDHE hybrids, we'll want to call this
+     * function multiple times. */
+    ret = ssl_tls13_generate_and_write_key_share(
+              ssl, group, server_share + 4, end, &key_exchange_length );
+    if( ret != 0 )
+        return( ret );
+    p += key_exchange_length;
+    MBEDTLS_PUT_UINT16_BE( key_exchange_length, server_share + 2, 0 );
+
+    MBEDTLS_PUT_UINT16_BE( p - server_share, buf, 2 );
+
+    *out_len = p - buf;
+
+    return( 0 );
+}
+
+
+/*
+ * Structure of ServerHello message:
+ *
+ *     struct {
+ *        ProtocolVersion legacy_version = 0x0303;    // TLS v1.2
+ *        Random random;
+ *        opaque legacy_session_id_echo<0..32>;
+ *        CipherSuite cipher_suite;
+ *        uint8 legacy_compression_method = 0;
+ *        Extension extensions<6..2^16-1>;
+ *    } ServerHello;
+ */
+static int ssl_tls13_write_server_hello_body( mbedtls_ssl_context *ssl,
+                                              unsigned char *buf,
+                                              unsigned char *end,
+                                              size_t *out_len )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+    unsigned char *p = buf;
+    unsigned char *p_extensions_len;
+    size_t output_len;               /* Length of buffer used by function */
+
+    *out_len = 0;
+
+    /* ...
+     * ProtocolVersion legacy_version = 0x0303; // TLS 1.2
+     * ...
+     * with ProtocolVersion defined as:
+     * uint16 ProtocolVersion;
+     */
+    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
+    MBEDTLS_PUT_UINT16_BE( 0x0303, p, 0 );
+    p += 2;
+
+    /* ...
+     * Random random;
+     * ...
+     * with Random defined as:
+     * opaque Random[MBEDTLS_SERVER_HELLO_RANDOM_LEN];
+     */
+    MBEDTLS_SSL_CHK_BUF_PTR( p, end, MBEDTLS_SERVER_HELLO_RANDOM_LEN );
+    memcpy( p, &ssl->handshake->randbytes[MBEDTLS_CLIENT_HELLO_RANDOM_LEN],
+               MBEDTLS_SERVER_HELLO_RANDOM_LEN );
+    MBEDTLS_SSL_DEBUG_BUF( 3, "server hello, random bytes",
+                           p, MBEDTLS_SERVER_HELLO_RANDOM_LEN );
+    p += MBEDTLS_SERVER_HELLO_RANDOM_LEN;
+
+    /* ...
+     * opaque legacy_session_id_echo<0..32>;
+     * ...
+     */
+    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 1 + ssl->session_negotiate->id_len );
+    *p++ = (unsigned char)ssl->session_negotiate->id_len;
+    if( ssl->session_negotiate->id_len > 0 )
+    {
+        memcpy( p, &ssl->session_negotiate->id[0],
+                ssl->session_negotiate->id_len );
+        p += ssl->session_negotiate->id_len;
+
+        MBEDTLS_SSL_DEBUG_BUF( 3, "session id", ssl->session_negotiate->id,
+                               ssl->session_negotiate->id_len );
+    }
+
+    /* ...
+     * CipherSuite cipher_suite;
+     * ...
+     * with CipherSuite defined as:
+     * uint8 CipherSuite[2];
+     */
+    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
+    MBEDTLS_PUT_UINT16_BE( ssl->session_negotiate->ciphersuite, p, 0 );
+    p += 2;
+    MBEDTLS_SSL_DEBUG_MSG( 3,
+        ( "server hello, chosen ciphersuite: %s ( id=%d )",
+          mbedtls_ssl_get_ciphersuite_name(
+            ssl->session_negotiate->ciphersuite ),
+          ssl->session_negotiate->ciphersuite ) );
+
+    /* ...
+     * uint8 legacy_compression_method = 0;
+     * ...
+     */
+    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 1 );
+    *p++ = 0x0;
+
+    /* ...
+     * Extension extensions<6..2^16-1>;
+     * ...
+     * struct {
+     *      ExtensionType extension_type; (2 bytes)
+     *      opaque extension_data<0..2^16-1>;
+     * } Extension;
+     */
+    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
+    p_extensions_len = p;
+    p += 2;
+
+    if( ( ret = ssl_tls13_write_server_hello_supported_versions_ext(
+                                            ssl, p, end, &output_len ) ) != 0 )
+    {
+        MBEDTLS_SSL_DEBUG_RET(
+            1, "ssl_tls13_write_server_hello_supported_versions_ext", ret );
+        return( ret );
+    }
+    p += output_len;
+
+    if( mbedtls_ssl_conf_tls13_some_ephemeral_enabled( ssl ) )
+    {
+        ret = ssl_tls13_write_key_share_ext( ssl, p, end, &output_len );
+        if( ret != 0 )
+            return( ret );
+        p += output_len;
+    }
+
+    MBEDTLS_PUT_UINT16_BE( p - p_extensions_len - 2, p_extensions_len, 0 );
+
+    MBEDTLS_SSL_DEBUG_BUF( 4, "server hello extensions",
+                           p_extensions_len, p - p_extensions_len );
+
+    *out_len = p - buf;
+
+    MBEDTLS_SSL_DEBUG_BUF( 3, "server hello", buf, *out_len );
+
+    return( ret );
+}
+
+static int ssl_tls13_write_server_hello( mbedtls_ssl_context *ssl )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+    unsigned char *buf;
+    size_t buf_len, msg_len;
+
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write server hello" ) );
+
+    MBEDTLS_SSL_PROC_CHK( ssl_tls13_prepare_server_hello( ssl ) );
+
+    MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_start_handshake_msg( ssl,
+                                MBEDTLS_SSL_HS_SERVER_HELLO, &buf, &buf_len ) );
+
+    MBEDTLS_SSL_PROC_CHK( ssl_tls13_write_server_hello_body( ssl, buf,
+                                                             buf + buf_len,
+                                                             &msg_len ) );
+
+    mbedtls_ssl_add_hs_msg_to_checksum(
+        ssl, MBEDTLS_SSL_HS_SERVER_HELLO, buf, msg_len );
+
+    MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_finish_handshake_msg(
+                              ssl, buf_len, msg_len ) );
+
+    mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_ENCRYPTED_EXTENSIONS );
+cleanup:
+
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write server hello" ) );
+    return( ret );
+}
+
+/*
  * TLS 1.3 State Machine -- server side
  */
 int mbedtls_ssl_tls13_handshake_server_step( mbedtls_ssl_context *ssl )
@@ -758,6 +1085,10 @@
 
             break;
 
+        case MBEDTLS_SSL_SERVER_HELLO:
+            ret = ssl_tls13_write_server_hello( ssl );
+            break;
+
         default:
             MBEDTLS_SSL_DEBUG_MSG( 1, ( "invalid state %d", ssl->state ) );
             return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index 569f147..6ff2eb8 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -175,29 +175,38 @@
  * Updated manually as the output of the following command:
  *
  *  sed -n 's/.*[T]IME_PUBLIC.*"\(.*\)",/\1/p' programs/test/benchmark.c |
- *      awk '{print length+2}' | sort -rn | head -n1
+ *      awk '{print length+3}' | sort -rn | head -n1
  *
- * This computes the maximum length of a title +2 (because we appends "/s").
- * (If the value is too small, the only consequence is poor alignement.) */
-#define TITLE_SPACE 16
+ * This computes the maximum length of a title +3, because we appends "/s" and
+ * want at least one space. (If the value is too small, the only consequence
+ * is poor alignement.) */
+#define TITLE_SPACE 17
 
 #define MEMORY_MEASURE_INIT                                             \
     size_t max_used, max_blocks, max_bytes;                             \
     size_t prv_used, prv_blocks;                                        \
+    size_t alloc_cnt, free_cnt, prv_alloc, prv_free;                    \
     mbedtls_memory_buffer_alloc_cur_get( &prv_used, &prv_blocks );      \
     mbedtls_memory_buffer_alloc_max_reset( );
 
+#define MEMORY_MEASURE_RESET                                            \
+    mbedtls_memory_buffer_alloc_count_get( &prv_alloc, &prv_free );
+
 #define MEMORY_MEASURE_PRINT( title_len )                               \
     mbedtls_memory_buffer_alloc_max_get( &max_used, &max_blocks );      \
+    mbedtls_memory_buffer_alloc_count_get( &alloc_cnt, &free_cnt );     \
     ii = TITLE_SPACE > (title_len) ? TITLE_SPACE - (title_len) : 1;     \
     while( ii-- ) mbedtls_printf( " " );                                \
     max_used -= prv_used;                                               \
     max_blocks -= prv_blocks;                                           \
     max_bytes = max_used + MEM_BLOCK_OVERHEAD * max_blocks;             \
-    mbedtls_printf( "%6u heap bytes", (unsigned) max_bytes );
+    mbedtls_printf( "%6u heap bytes, %6u allocs",                       \
+                    (unsigned) max_bytes,                               \
+                    (unsigned)( alloc_cnt - prv_alloc ) );
 
 #else
 #define MEMORY_MEASURE_INIT
+#define MEMORY_MEASURE_RESET
 #define MEMORY_MEASURE_PRINT( title_len )
 #endif
 
@@ -214,6 +223,7 @@
     ret = 0;                                                            \
     for( ii = 1; ! mbedtls_timing_alarmed && ! ret ; ii++ )             \
     {                                                                   \
+        MEMORY_MEASURE_RESET;                                           \
         CODE;                                                           \
     }                                                                   \
                                                                         \
@@ -489,30 +499,6 @@
         }                                                               \
     }
 
-/*
- * Clear some memory that was used to prepare the context
- */
-#if defined(MBEDTLS_ECP_C)
-void ecp_clear_precomputed( mbedtls_ecp_group *grp )
-{
-    if( grp->T != NULL
-#if MBEDTLS_ECP_FIXED_POINT_OPTIM == 1
-        && grp->T_size != 0
-#endif
-    )
-    {
-        size_t i;
-        for( i = 0; i < grp->T_size; i++ )
-            mbedtls_ecp_point_free( &grp->T[i] );
-        mbedtls_free( grp->T );
-    }
-    grp->T = NULL;
-    grp->T_size = 0;
-}
-#else
-#define ecp_clear_precomputed( g )
-#endif
-
 #if defined(MBEDTLS_ECP_C)
 static int set_ecp_curve( const char *string, mbedtls_ecp_curve_info *curve )
 {
@@ -641,6 +627,10 @@
     memset( buf, 0xAA, sizeof( buf ) );
     memset( tmp, 0xBB, sizeof( tmp ) );
 
+    /* Avoid "unused static function" warning in configurations without
+     * symmetric crypto. */
+    (void) mbedtls_timing_hardclock;
+
 #if defined(MBEDTLS_MD5_C)
     if( todo.md5 )
         TIME_AND_TSC( "MD5", mbedtls_md5( buf, BUFSIZE, tmp ) );
@@ -1078,7 +1068,6 @@
 
             if( mbedtls_ecdsa_genkey( &ecdsa, curve_info->grp_id, myrand, NULL ) != 0 )
                 mbedtls_exit( 1 );
-            ecp_clear_precomputed( &ecdsa.grp );
 
             mbedtls_snprintf( title, sizeof( title ), "ECDSA-%s",
                                               curve_info->name );
@@ -1104,7 +1093,6 @@
             {
                 mbedtls_exit( 1 );
             }
-            ecp_clear_precomputed( &ecdsa.grp );
 
             mbedtls_snprintf( title, sizeof( title ), "ECDSA-%s",
                                               curve_info->name );
@@ -1162,7 +1150,6 @@
             CHECK_AND_CONTINUE( mbedtls_ecdh_make_public( &ecdh, &olen, buf, sizeof( buf),
                                                     myrand, NULL ) );
             CHECK_AND_CONTINUE( mbedtls_ecp_copy( &ecdh.Qp, &ecdh.Q ) );
-            ecp_clear_precomputed( &ecdh.grp );
 
             mbedtls_snprintf( title, sizeof( title ), "ECDHE-%s",
                                               curve_info->name );
@@ -1212,7 +1199,6 @@
             CHECK_AND_CONTINUE( mbedtls_ecp_copy( &ecdh.Qp, &ecdh.Q ) );
             CHECK_AND_CONTINUE( mbedtls_ecdh_make_public( &ecdh, &olen, buf, sizeof( buf),
                                   myrand, NULL ) );
-            ecp_clear_precomputed( &ecdh.grp );
 
             mbedtls_snprintf( title, sizeof( title ), "ECDH-%s",
                                               curve_info->name );
diff --git a/scripts/ecc-heap.sh b/scripts/ecc-heap.sh
index acf51f2..43fc7df 100755
--- a/scripts/ecc-heap.sh
+++ b/scripts/ecc-heap.sh
@@ -57,27 +57,39 @@
 #define MBEDTLS_ASN1_PARSE_C
 #define MBEDTLS_ASN1_WRITE_C
 #define MBEDTLS_ECDSA_C
+#define MBEDTLS_SHA256_C // ECDSA benchmark needs it
+#define MBEDTLS_SHA224_C // SHA256 requires this for now
 #define MBEDTLS_ECDH_C
 
-#define MBEDTLS_ECP_DP_SECP192R1_ENABLED
-#define MBEDTLS_ECP_DP_SECP224R1_ENABLED
+// NIST curves >= 256 bits
 #define MBEDTLS_ECP_DP_SECP256R1_ENABLED
 #define MBEDTLS_ECP_DP_SECP384R1_ENABLED
 #define MBEDTLS_ECP_DP_SECP521R1_ENABLED
+// SECP "koblitz-like" curve >= 256 bits
+#define MBEDTLS_ECP_DP_SECP256K1_ENABLED
+// Brainpool curves (no specialised "mod p" routine)
+#define MBEDTLS_ECP_DP_BP256R1_ENABLED
+#define MBEDTLS_ECP_DP_BP384R1_ENABLED
+#define MBEDTLS_ECP_DP_BP512R1_ENABLED
+// Montgomery curves
 #define MBEDTLS_ECP_DP_CURVE25519_ENABLED
+#define MBEDTLS_ECP_DP_CURVE448_ENABLED
 
-//#define MBEDTLS_ECP_WINDOW_SIZE            6
+#define MBEDTLS_HAVE_ASM // just make things a bit faster
+#define MBEDTLS_ECP_NIST_OPTIM // faster and less allocations
+
+//#define MBEDTLS_ECP_WINDOW_SIZE            4
 //#define MBEDTLS_ECP_FIXED_POINT_OPTIM      1
 EOF
 
 for F in 0 1; do
-    for W in 2 3 4 5 6; do
+    for W in 2 3 4; do
         scripts/config.py set MBEDTLS_ECP_WINDOW_SIZE $W
         scripts/config.py set MBEDTLS_ECP_FIXED_POINT_OPTIM $F
         make benchmark >/dev/null 2>&1
         echo "fixed point optim = $F, max window size = $W"
         echo "--------------------------------------------"
-        programs/test/benchmark
+        programs/test/benchmark ecdh ecdsa
     done
 done
 
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 8528a4f..f211577 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -866,6 +866,12 @@
     fi
     tests/scripts/check_test_cases.py $opt
     unset opt
+
+    # Check that no tests are explicitely disabled when USE_PSA_CRYPTO is set
+    # as a matter of policy to ensure there is no missed testing
+    msg "Check: explicitely disabled test with USE_PSA_CRYPTO"  # < 1s
+    not grep -n 'depends_on:.*!MBEDTLS_USE_PSA_CRYPTO' tests/suites/*.function tests/suites/*.data
+    not grep -n '^ *requires_config_disabled.*MBEDTLS_USE_PSA_CRYPTO' tests/ssl-opt.sh tests/opt-testcases/*.sh
 }
 
 component_check_doxygen_warnings () {
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index d207e54..c106cf4 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -9975,7 +9975,6 @@
 requires_config_enabled MBEDTLS_DEBUG_C
 requires_config_enabled MBEDTLS_SSL_CLI_C
 requires_config_enabled MBEDTLS_SSL_ALPN
-requires_config_disabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "TLS 1.3: alpn - openssl" \
             "$O_NEXT_SRV -msg -tls1_3 -num_tickets 0 -no_resume_ephemeral -no_cache -alpn h2" \
             "$P_CLI debug_level=3 alpn=h2" \
@@ -10011,7 +10010,6 @@
 requires_config_enabled MBEDTLS_DEBUG_C
 requires_config_enabled MBEDTLS_SSL_CLI_C
 requires_config_enabled MBEDTLS_SSL_ALPN
-requires_config_disabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "TLS 1.3: alpn - gnutls" \
             "$G_NEXT_SRV --debug=4 --priority=NORMAL:-VERS-ALL:+VERS-TLS1.3:+CIPHER-ALL:%NO_TICKETS --disable-client-cert --alpn=h2" \
             "$P_CLI debug_level=3 alpn=h2" \
@@ -10479,11 +10477,12 @@
 requires_openssl_tls1_3
 run_test    "TLS 1.3: Server side check - openssl" \
             "$P_SRV debug_level=4 crt_file=data_files/server5.crt key_file=data_files/server5.key force_version=tls13 tickets=0" \
-            "$O_NEXT_CLI -msg -tls1_3" \
+            "$O_NEXT_CLI -msg -debug -tls1_3" \
             1 \
-            -s " tls13 server state: MBEDTLS_SSL_CLIENT_HELLO" \
-            -s " tls13 server state: MBEDTLS_SSL_SERVER_HELLO" \
-            -s " SSL - The requested feature is not available" \
+            -s "tls13 server state: MBEDTLS_SSL_CLIENT_HELLO" \
+            -s "tls13 server state: MBEDTLS_SSL_SERVER_HELLO" \
+            -s "tls13 server state: MBEDTLS_SSL_ENCRYPTED_EXTENSIONS" \
+            -s "SSL - The requested feature is not available" \
             -s "=> parse client hello" \
             -s "<= parse client hello"
 
@@ -10496,9 +10495,26 @@
             "$P_SRV debug_level=4 crt_file=data_files/server5.crt key_file=data_files/server5.key force_version=tls13 tickets=0" \
             "$G_NEXT_CLI localhost -d 4 --priority=NORMAL:-VERS-ALL:+VERS-TLS1.3:%NO_TICKETS:%DISABLE_TLS13_COMPAT_MODE -V" \
             1 \
-            -s " tls13 server state: MBEDTLS_SSL_CLIENT_HELLO" \
-            -s " tls13 server state: MBEDTLS_SSL_SERVER_HELLO" \
-            -s " SSL - The requested feature is not available" \
+            -s "tls13 server state: MBEDTLS_SSL_CLIENT_HELLO" \
+            -s "tls13 server state: MBEDTLS_SSL_SERVER_HELLO" \
+            -s "tls13 server state: MBEDTLS_SSL_ENCRYPTED_EXTENSIONS" \
+            -s "SSL - The requested feature is not available" \
+            -s "=> parse client hello" \
+            -s "<= parse client hello"
+
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_DEBUG_C
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_SSL_CLI_C
+run_test    "TLS 1.3: Server side check - mbedtls" \
+            "$P_SRV debug_level=4 crt_file=data_files/server5.crt key_file=data_files/server5.key force_version=tls13 tickets=0" \
+            "$P_CLI debug_level=4 force_version=tls13" \
+            1 \
+            -s "tls13 server state: MBEDTLS_SSL_CLIENT_HELLO" \
+            -s "tls13 server state: MBEDTLS_SSL_SERVER_HELLO" \
+            -s "tls13 server state: MBEDTLS_SSL_ENCRYPTED_EXTENSIONS" \
+            -c "client state: MBEDTLS_SSL_ENCRYPTED_EXTENSIONS" \
+            -s "SSL - The requested feature is not available" \
             -s "=> parse client hello" \
             -s "<= parse client hello"
 
diff --git a/tests/suites/test_suite_ecdsa.function b/tests/suites/test_suite_ecdsa.function
index 4496812..5e4cdaa 100644
--- a/tests/suites/test_suite_ecdsa.function
+++ b/tests/suites/test_suite_ecdsa.function
@@ -82,13 +82,14 @@
 {
     mbedtls_ecp_group grp;
     mbedtls_ecp_point Q;
-    mbedtls_mpi d, r, s, r_check, s_check;
+    mbedtls_mpi d, r, s, r_check, s_check, zero;
     mbedtls_test_rnd_buf_info rnd_info;
 
     mbedtls_ecp_group_init( &grp );
     mbedtls_ecp_point_init( &Q );
     mbedtls_mpi_init( &d ); mbedtls_mpi_init( &r ); mbedtls_mpi_init( &s );
     mbedtls_mpi_init( &r_check ); mbedtls_mpi_init( &s_check );
+    mbedtls_mpi_init( &zero );
 
     TEST_ASSERT( mbedtls_ecp_group_load( &grp, id ) == 0 );
     TEST_ASSERT( mbedtls_ecp_point_read_string( &Q, 16, xQ_str, yQ_str ) == 0 );
@@ -117,20 +118,68 @@
 
     if ( result == 0)
     {
-        TEST_ASSERT( mbedtls_mpi_cmp_mpi( &r, &r_check ) == 0 );
-        TEST_ASSERT( mbedtls_mpi_cmp_mpi( &s, &s_check ) == 0 );
+        /* Check we generated the expected values */
+        TEST_EQUAL( mbedtls_mpi_cmp_mpi( &r, &r_check ), 0 );
+        TEST_EQUAL( mbedtls_mpi_cmp_mpi( &s, &s_check ), 0 );
 
-        TEST_ASSERT( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q, &r_check, &s_check ) == 0 );
+        /* Valid signature */
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len,
+                                          &Q, &r_check, &s_check ), 0 );
 
-        TEST_ASSERT( mbedtls_mpi_sub_int( &r, &r, 1 ) == 0 );
-        TEST_ASSERT( mbedtls_mpi_add_int( &s, &s, 1 ) == 0 );
+        /* Invalid signature: wrong public key (G instead of Q) */
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len,
+                    &grp.G, &r_check, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
 
-        TEST_ASSERT( mbedtls_ecdsa_verify( &grp, hash->x, hash->len,
-                     &Q, &r, &s_check ) == MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_ASSERT( mbedtls_ecdsa_verify( &grp, hash->x, hash->len,
-                     &Q, &r_check, &s ) == MBEDTLS_ERR_ECP_VERIFY_FAILED );
-        TEST_ASSERT( mbedtls_ecdsa_verify( &grp, hash->x, hash->len,
-                     &grp.G, &r_check, &s_check ) == MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        /* Invalid signatures: r or s or both one off */
+        TEST_EQUAL( mbedtls_mpi_sub_int( &r, &r_check, 1 ), 0 );
+        TEST_EQUAL( mbedtls_mpi_add_int( &s, &s_check, 1 ), 0 );
+
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r_check, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+
+        /* Invalid signatures: r, s or both (CVE-2022-21449) are zero */
+        TEST_EQUAL( mbedtls_mpi_lset( &zero, 0 ), 0 );
+
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &zero, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r_check, &zero ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &zero, &zero ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+
+        /* Invalid signatures: r, s or both are == N */
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &grp.N, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r_check, &grp.N ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &grp.N, &grp.N ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+
+        /* Invalid signatures: r, s or both are negative */
+        TEST_EQUAL( mbedtls_mpi_sub_mpi( &r, &r_check, &grp.N ), 0 );
+        TEST_EQUAL( mbedtls_mpi_sub_mpi( &s, &s_check, &grp.N ), 0 );
+
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r_check, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+
+        /* Invalid signatures: r or s or both are > N */
+        TEST_EQUAL( mbedtls_mpi_add_mpi( &r, &r_check, &grp.N ), 0 );
+        TEST_EQUAL( mbedtls_mpi_add_mpi( &s, &s_check, &grp.N ), 0 );
+
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r, &s_check ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r_check, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
+        TEST_EQUAL( mbedtls_ecdsa_verify( &grp, hash->x, hash->len, &Q,
+                    &r, &s ), MBEDTLS_ERR_ECP_VERIFY_FAILED );
     }
 
 exit:
@@ -138,6 +187,7 @@
     mbedtls_ecp_point_free( &Q );
     mbedtls_mpi_free( &d ); mbedtls_mpi_free( &r ); mbedtls_mpi_free( &s );
     mbedtls_mpi_free( &r_check ); mbedtls_mpi_free( &s_check );
+    mbedtls_mpi_free( &zero );
 }
 /* END_CASE */
 
diff --git a/tests/suites/test_suite_pk.data b/tests/suites/test_suite_pk.data
index 306cfd7..a0844ea 100644
--- a/tests/suites/test_suite_pk.data
+++ b/tests/suites/test_suite_pk.data
@@ -185,12 +185,8 @@
 depends_on:MBEDTLS_PKCS1_V21:MBEDTLS_SHA256_C
 pk_rsa_verify_ext_test_vec:"54657374206d657373616765":MBEDTLS_MD_SHA256:1024:16:"00dd118a9f99bab068ca2aea3b6a6d5997ed4ec954e40deecea07da01eaae80ec2bb1340db8a128e891324a5c5f5fad8f590d7c8cacbc5fe931dafda1223735279461abaa0572b761631b3a8afe7389b088b63993a0a25ee45d21858bab9931aedd4589a631b37fcf714089f856549f359326dd1e0e86dde52ed66b4a90bda4095":16:"010001":"0d2bdb0456a3d651d5bd48a4204493898f72cf1aaddd71387cc058bc3f4c235ea6be4010fd61b28e1fbb275462b53775c04be9022d38b6a2e0387dddba86a3f8554d2858044a59fddbd594753fc056fe33c8daddb85dc70d164690b1182209ff84824e0be10e35c379f2f378bf176a9f7cb94d95e44d90276a298c8810f741c9":MBEDTLS_PK_RSASSA_PSS:MBEDTLS_MD_SHA256:94:128:0
 
-Verify ext RSA #5 using PSA (PKCS1 v2.1, wrong salt_len)
-depends_on:MBEDTLS_PKCS1_V21:MBEDTLS_SHA256_C:MBEDTLS_USE_PSA_CRYPTO
-pk_rsa_verify_ext_test_vec:"54657374206d657373616765":MBEDTLS_MD_SHA256:1024:16:"00dd118a9f99bab068ca2aea3b6a6d5997ed4ec954e40deecea07da01eaae80ec2bb1340db8a128e891324a5c5f5fad8f590d7c8cacbc5fe931dafda1223735279461abaa0572b761631b3a8afe7389b088b63993a0a25ee45d21858bab9931aedd4589a631b37fcf714089f856549f359326dd1e0e86dde52ed66b4a90bda4095":16:"010001":"0d2bdb0456a3d651d5bd48a4204493898f72cf1aaddd71387cc058bc3f4c235ea6be4010fd61b28e1fbb275462b53775c04be9022d38b6a2e0387dddba86a3f8554d2858044a59fddbd594753fc056fe33c8daddb85dc70d164690b1182209ff84824e0be10e35c379f2f378bf176a9f7cb94d95e44d90276a298c8810f741c9":MBEDTLS_PK_RSASSA_PSS:MBEDTLS_MD_SHA256:32:128:MBEDTLS_ERR_RSA_VERIFY_FAILED
-
 Verify ext RSA #5 (PKCS1 v2.1, wrong salt_len)
-depends_on:MBEDTLS_PKCS1_V21:MBEDTLS_SHA256_C:!MBEDTLS_USE_PSA_CRYPTO
+depends_on:MBEDTLS_PKCS1_V21:MBEDTLS_SHA256_C
 pk_rsa_verify_ext_test_vec:"54657374206d657373616765":MBEDTLS_MD_SHA256:1024:16:"00dd118a9f99bab068ca2aea3b6a6d5997ed4ec954e40deecea07da01eaae80ec2bb1340db8a128e891324a5c5f5fad8f590d7c8cacbc5fe931dafda1223735279461abaa0572b761631b3a8afe7389b088b63993a0a25ee45d21858bab9931aedd4589a631b37fcf714089f856549f359326dd1e0e86dde52ed66b4a90bda4095":16:"010001":"0d2bdb0456a3d651d5bd48a4204493898f72cf1aaddd71387cc058bc3f4c235ea6be4010fd61b28e1fbb275462b53775c04be9022d38b6a2e0387dddba86a3f8554d2858044a59fddbd594753fc056fe33c8daddb85dc70d164690b1182209ff84824e0be10e35c379f2f378bf176a9f7cb94d95e44d90276a298c8810f741c9":MBEDTLS_PK_RSASSA_PSS:MBEDTLS_MD_SHA256:32:128:MBEDTLS_ERR_RSA_INVALID_PADDING
 
 Verify ext RSA #6 (PKCS1 v2.1, MGF1 alg != MSG hash alg)
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 8fd5367..4b3af4c 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -487,6 +487,7 @@
     mbedtls_pk_rsassa_pss_options pss_opts;
     void *options;
     size_t hash_len;
+    int ret;
 
     USE_PSA_INIT( );
     mbedtls_pk_init( &pk );
@@ -526,9 +527,29 @@
         pss_opts.expected_salt_len = salt_len;
     }
 
-    TEST_ASSERT( mbedtls_pk_verify_ext( pk_type, options, &pk,
-                                digest, hash_result, hash_len,
-                                result_str->x, sig_len ) == result );
+    ret = mbedtls_pk_verify_ext( pk_type, options, &pk,
+                                 digest, hash_result, hash_len,
+                                 result_str->x, sig_len );
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    if( result == MBEDTLS_ERR_RSA_INVALID_PADDING )
+    {
+        /* Mbed TLS distinguishes "invalid padding" from "valid padding but
+         * the rest of the signature is invalid". This has little use in
+         * practice and PSA doesn't report this distinction.
+         * In this case, PSA returns PSA_ERROR_INVALID_SIGNATURE translated
+         * to MBEDTLS_ERR_RSA_VERIFY_FAILED.
+         * However, currently `mbedtls_pk_verify_ext()` may use either the
+         * PSA or the Mbed TLS API, depending on the PSS options used.
+         * So, it may return either INVALID_PADDING or INVALID_SIGNATURE.
+         */
+        TEST_ASSERT( ret == result || ret == MBEDTLS_ERR_RSA_VERIFY_FAILED );
+    }
+    else
+#endif
+    {
+        TEST_EQUAL( ret, result );
+    }
 
 exit:
     mbedtls_pk_free( &pk );
diff --git a/tests/suites/test_suite_psa_crypto_driver_wrappers.data b/tests/suites/test_suite_psa_crypto_driver_wrappers.data
index bf1e01b..0a8d595 100644
--- a/tests/suites/test_suite_psa_crypto_driver_wrappers.data
+++ b/tests/suites/test_suite_psa_crypto_driver_wrappers.data
@@ -781,14 +781,26 @@
 depends_on:!MBEDTLS_PSA_BUILTIN_ALG_RSA_OAEP
 asymmetric_encrypt:PSA_ALG_RSA_OAEP(PSA_ALG_SHA_256):"30818902818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa2470b541ee1feb0b12d25c79711531249e1129628042dbbb6c120d1443524ef4c0e6e1d8956eeb2077af12349ddeee54483bc06c2c61948cd02b202e796aebd94d3a7cbf859c2c1819c324cb82b9cd34ede263a2abffe4733f077869e8660f7d6834da53d690ef7985f6bc30203010001":"af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa2470b541ee1feb0b12d25c79711531249e1129628042dbbb6c120d1443524ef4c0e6e1d8956eeb2077af12349ddeee54483bc06c2c61948cd02b202e796aebd94d3a7cbf859c2c1819c324cb82b9cd34ede263a2abffe4733f077869e8660f7d6834da53d690ef7985f6bc3":"874bf0ffc2f2a71d14671ddd0171c954d7fdbf50281e4f6d99ea0e1ebcf82faa58e7b595ffb293d1abe17f110b37c48cc0f36c37e84d876621d327f64bbe08457d3ec4098ba2fa0a319fba411c2841ed7be83196a8cdf9daa5d00694bc335fc4c32217fe0488bce9cb7202e59468b1ead119000477db2ca797fac19eda3f58c1":"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad":"":"":PSA_ERROR_NOT_SUPPORTED:PSA_ERROR_NOT_SUPPORTED
 
-PSA multi-part AEAD encrypt setup, AES-GCM, 128 bytes #1
+PSA AEAD encrypt setup, AES-GCM, 128 bytes #1
 depends_on:PSA_WANT_ALG_GCM:PSA_WANT_KEY_TYPE_AES
 aead_encrypt_setup:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c87281":"4365847fe0b7b7fbed325953df344a96":PSA_SUCCESS:PSA_SUCCESS
 
-PSA multi-part AEAD encrypt setup, AES-GCM, 128 bytes #1, fallback
+PSA AEAD encrypt setup, AES-GCM, 128 bytes #1, fallback
 depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
 aead_encrypt_setup:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c87281":"4365847fe0b7b7fbed325953df344a96":PSA_ERROR_NOT_SUPPORTED:PSA_SUCCESS
 
-PSA multi-part AEAD encrypt setup, AES-GCM, 128 bytes #1, INSUFFICIENT_MEMORY
+PSA AEAD encrypt setup, AES-GCM, 128 bytes #1, INSUFFICIENT_MEMORY
 depends_on:PSA_WANT_ALG_GCM:PSA_WANT_KEY_TYPE_AES
 aead_encrypt_setup:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c87281":"4365847fe0b7b7fbed325953df344a96":PSA_ERROR_INSUFFICIENT_MEMORY:PSA_ERROR_INSUFFICIENT_MEMORY
+
+PSA AEAD decrypt setup, AES-GCM, 144 bytes #1
+depends_on:PSA_WANT_ALG_GCM:PSA_WANT_KEY_TYPE_AES
+aead_decrypt_setup:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c87281":"4365847fe0b7b7fbed325953df344a96":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":PSA_SUCCESS:PSA_SUCCESS
+
+PSA AEAD decrypt setup, AES-GCM, 144 bytes #1, fallback
+depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
+aead_decrypt_setup:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c87281":"4365847fe0b7b7fbed325953df344a96":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":PSA_ERROR_NOT_SUPPORTED:PSA_SUCCESS
+
+PSA AEAD decrypt setup, AES-GCM, 144 bytes #1, insufficient memory
+depends_on:PSA_WANT_ALG_GCM:PSA_WANT_KEY_TYPE_AES
+aead_decrypt_setup:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c87281":"4365847fe0b7b7fbed325953df344a96":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":PSA_ERROR_INSUFFICIENT_MEMORY:PSA_ERROR_INSUFFICIENT_MEMORY
diff --git a/tests/suites/test_suite_psa_crypto_driver_wrappers.function b/tests/suites/test_suite_psa_crypto_driver_wrappers.function
index 9e433bc..a5ea840 100644
--- a/tests/suites/test_suite_psa_crypto_driver_wrappers.function
+++ b/tests/suites/test_suite_psa_crypto_driver_wrappers.function
@@ -2432,9 +2432,7 @@
 
         /* Compare output_data and expected_ciphertext */
         ASSERT_COMPARE( expected_ciphertext->x, expected_ciphertext->len,
-                        output_data, output_length );
-
-        TEST_EQUAL( output_length + finish_output_length, expected_ciphertext->len );
+                        output_data, output_length + finish_output_length );
 
         /* Compare tag and expected_tag */
         ASSERT_COMPARE( expected_tag->x, expected_tag->len, tag_buffer, tag_length );
@@ -2448,3 +2446,105 @@
     mbedtls_test_driver_aead_hooks = mbedtls_test_driver_aead_hooks_init();
 }
 /* END_CASE */
+
+/* BEGIN_CASE */
+void aead_decrypt_setup( int key_type_arg, data_t *key_data,
+                         int alg_arg,
+                         data_t *nonce,
+                         data_t *additional_data,
+                         data_t *input_ciphertext,
+                         data_t *input_tag,
+                         data_t *expected_result,
+                         int forced_status_arg,
+                         int expected_status_arg )
+{
+    mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+    psa_key_type_t key_type = key_type_arg;
+    psa_algorithm_t alg = alg_arg;
+    unsigned char *output_data = NULL;
+    size_t output_size = 0;
+    size_t output_length = 0;
+    size_t verify_output_length = 0;
+    psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+    psa_status_t forced_status = forced_status_arg;
+    psa_status_t expected_status = expected_status_arg;
+    psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+
+    psa_aead_operation_t operation = psa_aead_operation_init();
+    mbedtls_test_driver_aead_hooks = mbedtls_test_driver_aead_hooks_init();
+
+    PSA_INIT( );
+
+    psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DECRYPT  );
+    psa_set_key_algorithm( &attributes, alg );
+    psa_set_key_type( &attributes, key_type );
+
+    PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
+                                &key ) );
+
+    output_size = input_ciphertext->len;
+
+    ASSERT_ALLOC( output_data, output_size );
+
+    mbedtls_test_driver_aead_hooks.forced_status = forced_status;
+
+    status = psa_aead_decrypt_setup( &operation, key, alg );
+
+    TEST_EQUAL( status, ( forced_status == PSA_ERROR_NOT_SUPPORTED ) ?
+                        PSA_SUCCESS : forced_status );
+
+    TEST_EQUAL( status, expected_status );
+    TEST_EQUAL( mbedtls_test_driver_aead_hooks.hits_decrypt_setup, 1 );
+
+    if( status == PSA_SUCCESS )
+    {
+        PSA_ASSERT( psa_aead_set_nonce( &operation, nonce->x, nonce->len ) );
+        TEST_EQUAL( mbedtls_test_driver_aead_hooks.hits_set_nonce,
+                    forced_status == PSA_SUCCESS ? 1 : 0 );
+
+        PSA_ASSERT( psa_aead_set_lengths( &operation, additional_data->len,
+                                                      input_ciphertext->len ) );
+
+        TEST_EQUAL( mbedtls_test_driver_aead_hooks.hits_set_lengths,
+                    forced_status == PSA_SUCCESS ? 1 : 0 );
+
+        PSA_ASSERT( psa_aead_update_ad( &operation, additional_data->x,
+                                                    additional_data->len ) );
+
+        TEST_EQUAL( mbedtls_test_driver_aead_hooks.hits_update_ad,
+                    forced_status == PSA_SUCCESS ? 1 : 0 );
+
+        PSA_ASSERT( psa_aead_update( &operation, input_ciphertext->x,
+                                     input_ciphertext->len, output_data,
+                                     output_size, &output_length ) );
+
+        TEST_EQUAL( mbedtls_test_driver_aead_hooks.hits_update,
+                    forced_status == PSA_SUCCESS ? 1 : 0 );
+
+        /* Offset applied to output_data in order to handle cases where verify()
+         * outputs further data */
+        PSA_ASSERT( psa_aead_verify( &operation, output_data + output_length,
+                                     output_size - output_length,
+                                     &verify_output_length, input_tag->x,
+                                     input_tag->len ) );
+
+        TEST_EQUAL( mbedtls_test_driver_aead_hooks.hits_verify,
+                    forced_status == PSA_SUCCESS ? 1 : 0 );
+
+        /* Since this is a decryption operation,
+         * finish should never be hit */
+        TEST_EQUAL( mbedtls_test_driver_aead_hooks.hits_finish, 0 );
+
+        TEST_EQUAL( mbedtls_test_driver_aead_hooks.hits_abort,
+                    forced_status == PSA_SUCCESS ? 1 : 0 );
+
+        ASSERT_COMPARE( expected_result->x, expected_result->len,
+                        output_data, output_length + verify_output_length );
+    }
+
+exit:
+    PSA_ASSERT( psa_destroy_key( key ) );
+    mbedtls_free( output_data );
+    PSA_DONE( );
+}
+/* END_CASE */
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index 0565603..e42f8ba 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -4844,7 +4844,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:!MBEDTLS_USE_PSA_CRYPTO:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_ENTROPY_C:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_ENTROPY_C:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void mbedtls_endpoint_sanity( int endpoint_type )
 {
     enum { BUFFSIZE = 1024 };
@@ -4867,13 +4867,15 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:!MBEDTLS_USE_PSA_CRYPTO:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_ENTROPY_C:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_ENTROPY_C:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void move_handshake_to_state(int endpoint_type, int state, int need_pass)
 {
     enum { BUFFSIZE = 1024 };
     mbedtls_endpoint base_ep, second_ep;
     int ret = -1;
 
+    USE_PSA_INIT( );
+
     ret = mbedtls_endpoint_init( &base_ep, endpoint_type, MBEDTLS_PK_RSA,
                                  NULL, NULL, NULL, NULL );
     TEST_ASSERT( ret == 0 );
@@ -4906,6 +4908,7 @@
 exit:
     mbedtls_endpoint_free( &base_ep, NULL );
     mbedtls_endpoint_free( &second_ep, NULL );
+    USE_PSA_DONE( );
 }
 /* END_CASE */
 
@@ -4980,7 +4983,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void app_data_tls( int mfl, int cli_msg_len, int srv_msg_len,
                    int expected_cli_fragments,
                    int expected_srv_fragments )
@@ -4992,7 +4995,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void app_data_dtls( int mfl, int cli_msg_len, int srv_msg_len,
                     int expected_cli_fragments,
                     int expected_srv_fragments )
@@ -5004,7 +5007,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_CONTEXT_SERIALIZATION:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_CONTEXT_SERIALIZATION:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void handshake_serialization( )
 {
     handshake_test_options options;
@@ -5018,7 +5021,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_DEBUG_C:MBEDTLS_SSL_MAX_FRAGMENT_LENGTH:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_DEBUG_C:MBEDTLS_SSL_MAX_FRAGMENT_LENGTH:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void handshake_fragmentation( int mfl, int expected_srv_hs_fragmentation, int expected_cli_hs_fragmentation)
 {
     handshake_test_options options;
@@ -5054,7 +5057,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void renegotiation( int legacy_renegotiation )
 {
     handshake_test_options options;
@@ -5070,7 +5073,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void resize_buffers( int mfl, int renegotiation, int legacy_renegotiation,
                      int serialize, int dtls, char *cipher )
 {
@@ -5091,7 +5094,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_CONTEXT_SERIALIZATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_CONTEXT_SERIALIZATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_SSL_PROTO_DTLS:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void resize_buffers_serialize_mfl( int mfl )
 {
     test_resize_buffers( mfl, 0, MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION, 1, 1,
@@ -5102,7 +5105,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
+/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_SSL_PROTO_TLS1_3:MBEDTLS_PKCS1_V15:MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH:MBEDTLS_SSL_RENEGOTIATION:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
 void resize_buffers_renegotiate_mfl( int mfl, int legacy_renegotiation,
                                      char *cipher )
 {
diff --git a/tests/suites/test_suite_x509write.data b/tests/suites/test_suite_x509write.data
index efc2fc9..888c9ab 100644
--- a/tests/suites/test_suite_x509write.data
+++ b/tests/suites/test_suite_x509write.data
@@ -26,6 +26,10 @@
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15
 x509_csr_check:"data_files/server1.key":"data_files/server1.req.key_usage":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION | MBEDTLS_X509_KU_KEY_ENCIPHERMENT:1:0:0
 
+Certificate Request check opaque Server1 key_usage
+depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15
+x509_csr_check_opaque:"data_files/server1.key":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION:0
+
 Certificate Request check Server1 key_usage empty
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15
 x509_csr_check:"data_files/server1.key":"data_files/server1.req.key_usage_empty":MBEDTLS_MD_SHA1:0:1:0:0
@@ -52,44 +56,71 @@
 
 Certificate write check Server1 SHA1
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:-1:"data_files/server1.crt":0:0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:-1:"data_files/server1.crt":0:0:"data_files/test-ca.crt"
 
 Certificate write check Server1 SHA1, key_usage
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION | MBEDTLS_X509_KU_KEY_ENCIPHERMENT:1:0:0:1:-1:"data_files/server1.key_usage.crt":0:0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION | MBEDTLS_X509_KU_KEY_ENCIPHERMENT:1:0:0:1:-1:"data_files/server1.key_usage.crt":0:0:"data_files/test-ca.crt"
 
 Certificate write check Server1 SHA1, ns_cert_type
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER:1:1:-1:"data_files/server1.cert_type.crt":0:0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER:1:1:-1:"data_files/server1.cert_type.crt":0:0:"data_files/test-ca.crt"
 
 Certificate write check Server1 SHA1, version 1
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:MBEDTLS_X509_CRT_VERSION_1:"data_files/server1.v1.crt":0:0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:MBEDTLS_X509_CRT_VERSION_1:"data_files/server1.v1.crt":0:0:"data_files/test-ca.crt"
 
 Certificate write check Server1 SHA1, CA
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:-1:"data_files/server1.ca.crt":0:1
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:-1:"data_files/server1.ca.crt":0:1:"data_files/test-ca.crt"
 
 Certificate write check Server1 SHA1, RSA_ALT
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:-1:"data_files/server1.noauthid.crt":1:0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:-1:"data_files/server1.noauthid.crt":1:0:"data_files/test-ca.crt"
 
 Certificate write check Server1 SHA1, RSA_ALT, key_usage
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION | MBEDTLS_X509_KU_KEY_ENCIPHERMENT:1:0:0:0:-1:"data_files/server1.key_usage_noauthid.crt":1:0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION | MBEDTLS_X509_KU_KEY_ENCIPHERMENT:1:0:0:0:-1:"data_files/server1.key_usage_noauthid.crt":1:0:"data_files/test-ca.crt"
 
 Certificate write check Server1 SHA1, RSA_ALT, ns_cert_type
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER:1:0:-1:"data_files/server1.cert_type_noauthid.crt":1:0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER:1:0:-1:"data_files/server1.cert_type_noauthid.crt":1:0:"data_files/test-ca.crt"
 
 Certificate write check Server1 SHA1, RSA_ALT, version 1
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:MBEDTLS_X509_CRT_VERSION_1:"data_files/server1.v1.crt":1:0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:MBEDTLS_X509_CRT_VERSION_1:"data_files/server1.v1.crt":1:0:"data_files/test-ca.crt"
 
 Certificate write check Server1 SHA1, RSA_ALT, CA
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:-1:"data_files/server1.ca_noauthid.crt":1:1
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:-1:"data_files/server1.ca_noauthid.crt":1:1:"data_files/test-ca.crt"
 
+Certificate write check Server1 SHA1, Opaque
+depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C:MBEDTLS_USE_PSA_CRYPTO
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:-1:"data_files/server1.crt":2:0:"data_files/test-ca.crt"
+
+Certificate write check Server1 SHA1, Opaque, key_usage
+depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C:MBEDTLS_USE_PSA_CRYPTO
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION | MBEDTLS_X509_KU_KEY_ENCIPHERMENT:1:0:0:1:-1:"data_files/server1.key_usage.crt":2:0:"data_files/test-ca.crt"
+
+Certificate write check Server1 SHA1, Opaque, ns_cert_type
+depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C:MBEDTLS_USE_PSA_CRYPTO
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER:1:1:-1:"data_files/server1.cert_type.crt":2:0:"data_files/test-ca.crt"
+
+Certificate write check Server1 SHA1, Opaque, version 1
+depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C:MBEDTLS_USE_PSA_CRYPTO
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:MBEDTLS_X509_CRT_VERSION_1:"data_files/server1.v1.crt":2:0:"data_files/test-ca.crt"
+
+Certificate write check Server1 SHA1, Opaque, CA
+depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C:MBEDTLS_USE_PSA_CRYPTO
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:-1:"data_files/server1.ca.crt":2:1:"data_files/test-ca.crt"
+
+Certificate write check Server5 ECDSA
+depends_on:MBEDTLS_SHA256_C:MBEDTLS_ECDSA_C:MBEDTLS_ECDSA_DETERMINISTIC:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ECP_DP_SECP256R1_ENABLED
+x509_crt_check:"data_files/server5.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca2.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=Polarssl Test EC CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA256:0:0:0:0:1:-1:"data_files/server5.crt":0:0:"data_files/test-ca2.crt"
+
+Certificate write check Server5 ECDSA, Opaque
+depends_on:MBEDTLS_SHA256_C:MBEDTLS_ECDSA_C:MBEDTLS_ECDSA_DETERMINISTIC:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_USE_PSA_CRYPTO
+x509_crt_check:"data_files/server5.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca2.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=Polarssl Test EC CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA256:0:0:0:0:1:-1:"":2:0:"data_files/test-ca2.crt"
 
 X509 String to Names #1
 mbedtls_x509_string_to_names:"C=NL,O=Offspark\, Inc., OU=PolarSSL":"C=NL, O=Offspark, Inc., OU=PolarSSL":0
diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 947fcc4..485bbe2 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -223,7 +223,8 @@
                      char *serial_str, char *not_before, char *not_after,
                      int md_type, int key_usage, int set_key_usage,
                      int cert_type, int set_cert_type, int auth_ident,
-                     int ver, char *cert_check_file, int rsa_alt, int is_ca )
+                     int ver, char *cert_check_file, int pk_wrap, int is_ca,
+                     char *cert_verify_file )
 {
     mbedtls_pk_context subject_key, issuer_key, issuer_key_alt;
     mbedtls_pk_context *key = &issuer_key;
@@ -237,6 +238,10 @@
     int der_len = -1;
     FILE *f;
     mbedtls_test_rnd_pseudo_info rnd_info;
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    mbedtls_svc_key_id_t key_id = MBEDTLS_SVC_KEY_ID_INIT;
+#endif
+    mbedtls_pk_type_t issuer_key_type;
 
     memset( &rnd_info, 0x2a, sizeof( mbedtls_test_rnd_pseudo_info ) );
     mbedtls_mpi_init( &serial );
@@ -255,9 +260,11 @@
     TEST_ASSERT( mbedtls_pk_parse_keyfile( &issuer_key, issuer_key_file,
                     issuer_pwd, mbedtls_test_rnd_std_rand, NULL ) == 0 );
 
+    issuer_key_type = mbedtls_pk_get_type( &issuer_key );
+
 #if defined(MBEDTLS_RSA_C)
     /* For RSA PK contexts, create a copy as an alternative RSA context. */
-    if( rsa_alt == 1 && mbedtls_pk_get_type( &issuer_key ) == MBEDTLS_PK_RSA )
+    if( pk_wrap == 1 && issuer_key_type == MBEDTLS_PK_RSA )
     {
         TEST_ASSERT( mbedtls_pk_setup_rsa_alt( &issuer_key_alt,
                                             mbedtls_pk_rsa( issuer_key ),
@@ -267,10 +274,24 @@
 
         key = &issuer_key_alt;
     }
-#else
-    (void) rsa_alt;
 #endif
 
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    /* For Opaque PK contexts, wrap key as an Opaque RSA context. */
+    if( pk_wrap == 2 )
+    {
+        psa_algorithm_t md_alg_psa =
+            mbedtls_psa_translate_md( (mbedtls_md_type_t) md_type );
+
+        TEST_ASSERT( md_alg_psa != MBEDTLS_MD_NONE );
+        TEST_ASSERT( mbedtls_pk_wrap_as_opaque( &issuer_key, &key_id,
+                                                md_alg_psa ) == 0 );
+    }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+    if( pk_wrap == 2 )
+        TEST_ASSERT( mbedtls_pk_get_type( &issuer_key ) == MBEDTLS_PK_OPAQUE );
+
     TEST_ASSERT( mbedtls_test_read_mpi( &serial, 10, serial_str ) == 0 );
 
     if( ver != -1 )
@@ -312,14 +333,40 @@
         TEST_ASSERT( buf[buf_index] == 0 );
     }
 
-    f = fopen( cert_check_file, "r" );
-    TEST_ASSERT( f != NULL );
-    olen = fread( check_buf, 1, sizeof( check_buf ), f );
-    fclose( f );
-    TEST_ASSERT( olen < sizeof( check_buf ) );
+    if( issuer_key_type != MBEDTLS_PK_RSA )
+    {
+        mbedtls_x509_crt crt_parse, trusted;
+        uint32_t flags;
 
-    TEST_ASSERT( olen >= pem_len - 1 );
-    TEST_ASSERT( memcmp( buf, check_buf, pem_len - 1 ) == 0 );
+        mbedtls_x509_crt_init( &crt_parse );
+        mbedtls_x509_crt_init( &trusted );
+
+        TEST_ASSERT( mbedtls_x509_crt_parse_file( &trusted,
+                                                  cert_verify_file ) == 0 );
+        TEST_ASSERT( mbedtls_x509_crt_parse( &crt_parse,
+                                             buf, sizeof( buf ) ) == 0 );
+
+        ret = mbedtls_x509_crt_verify( &crt_parse, &trusted, NULL, NULL, &flags,
+                                       NULL, NULL );
+
+        mbedtls_x509_crt_free( &crt_parse );
+        mbedtls_x509_crt_free( &trusted );
+
+        TEST_EQUAL( flags, 0 );
+        TEST_EQUAL( ret, 0 );
+    }
+    else
+    {
+        f = fopen( cert_check_file, "r" );
+        TEST_ASSERT( f != NULL );
+        olen = fread( check_buf, 1, sizeof( check_buf ), f );
+        fclose( f );
+        TEST_ASSERT( olen < sizeof( check_buf ) );
+
+        TEST_EQUAL( olen, pem_len );
+        TEST_ASSERT( olen >= pem_len - 1 );
+        TEST_ASSERT( memcmp( buf, check_buf, pem_len - 1 ) == 0 );
+    }
 
     der_len = mbedtls_x509write_crt_der( &crt, buf, sizeof( buf ),
                                          mbedtls_test_rnd_pseudo_rand,
@@ -329,7 +376,17 @@
     if( der_len == 0 )
         goto exit;
 
-    ret = mbedtls_x509write_crt_der( &crt, buf, (size_t)( der_len - 1 ),
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    // When using PSA crypto, RNG isn't controllable, result length isn't
+    // deterministic over multiple runs, removing a single byte isn't enough to
+    // go into the MBEDTLS_ERR_ASN1_BUF_TOO_SMALL error case
+    if( issuer_key_type != MBEDTLS_PK_RSA )
+        der_len /= 2;
+    else
+#endif
+        der_len -= 1;
+
+    ret = mbedtls_x509write_crt_der( &crt, buf, (size_t)( der_len ),
                                      mbedtls_test_rnd_pseudo_rand, &rnd_info );
     TEST_ASSERT( ret == MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
 
@@ -339,6 +396,9 @@
     mbedtls_pk_free( &subject_key );
     mbedtls_pk_free( &issuer_key );
     mbedtls_mpi_free( &serial );
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    psa_destroy_key( key_id );
+#endif
     USE_PSA_DONE( );
 }
 /* END_CASE */