diff --git a/.travis.yml b/.travis.yml
index 82e7d30..67cb3ca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,7 +54,7 @@
 env:
   global:
     - SEED=1
-    - secure: "FrI5d2s+ckckC17T66c8jm2jV6i2DkBPU5nyWzwbedjmEBeocREfQLd/x8yKpPzLDz7ghOvr+/GQvsPPn0dVkGlNzm3Q+hGHc/ujnASuUtGrcuMM+0ALnJ3k4rFr9xEvjJeWb4SmhJO5UCAZYvTItW4k7+bj9L+R6lt3TzQbXzg="
+    - secure: "JECCru6HASpKZ0OLfHh8f/KXhKkdrCwjquZghd/qbA4ksxsWImjR7KEPERcaPndXEilzhDbKwuFvJiQX2duVgTGoq745YGhLZIjzo1i8tySkceCVd48P8WceYGz+F/bmY7r+m6fFNuxDSoGGSVeA4Lnjvmm8PFUP45YodDV9no4="
 
 install:
   - $PYTHON scripts/min_requirements.py
@@ -65,7 +65,7 @@
     - gnutls-bin
   coverity_scan:
     project:
-      name: "Mbed-TLS/mbedtls"
+      name: "ARMmbed/mbedtls"
     notification_email: support-mbedtls@arm.com
     build_command_prepend:
     build_command: make
diff --git a/ChangeLog.d/fix-undefined-memcpy-mbedtls_asn1_named_data.txt b/ChangeLog.d/fix-undefined-memcpy-mbedtls_asn1_named_data.txt
new file mode 100644
index 0000000..b30f7fa
--- /dev/null
+++ b/ChangeLog.d/fix-undefined-memcpy-mbedtls_asn1_named_data.txt
@@ -0,0 +1,3 @@
+Bugfix
+   * Fix undefined behavior in mbedtls_asn1_find_named_data(), where val is
+     not NULL and val_len is zero.
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 1ced6e5..93d2ae1 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -153,6 +153,18 @@
 #error "MBEDTLS_PKCS5_C defined, but not all prerequesites"
 #endif
 
+#if defined(MBEDTLS_PKCS12_C) && !defined(MBEDTLS_MD_C)
+#error "MBEDTLS_PKCS12_C defined, but not all prerequesites"
+#endif
+
+#if defined(MBEDTLS_PKCS1_V15) && !defined(MBEDTLS_MD_C)
+#error "MBEDTLS_PKCS1_V15 defined, but not all prerequesites"
+#endif
+
+#if defined(MBEDTLS_PKCS1_V21) && !defined(MBEDTLS_MD_C)
+#error "MBEDTLS_PKCS1_V21 defined, but not all prerequesites"
+#endif
+
 #if defined(MBEDTLS_ENTROPY_C) && (!defined(MBEDTLS_SHA512_C) &&      \
                                     !defined(MBEDTLS_SHA256_C))
 #error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
@@ -342,7 +354,7 @@
 #endif
 
 #if defined(MBEDTLS_PK_C) && \
-    ( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) )
+    ( !defined(MBEDTLS_MD_C) || ( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) ) )
 #error "MBEDTLS_PK_C defined, but not all prerequisites"
 #endif
 
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index 2d32f67..21596da 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -1129,7 +1129,7 @@
  *
  * Enable support for PKCS#1 v1.5 encoding.
  *
- * Requires: MBEDTLS_RSA_C
+ * Requires: MBEDTLS_MD_C, MBEDTLS_RSA_C
  *
  * This enables support for PKCS#1 v1.5 operations.
  */
@@ -2401,7 +2401,24 @@
  * Enable the generic message digest layer.
  *
  * Module:  library/md.c
- * Caller:
+ * Caller:  library/constant_time.c
+ *          library/ecdsa.c
+ *          library/ecjpake.c
+ *          library/hkdf.c
+ *          library/hmac_drbg.c
+ *          library/pk.c
+ *          library/pkcs5.c
+ *          library/pkcs12.c
+ *          library/psa_crypto_ecp.c
+ *          library/psa_crypto_rsa.c
+ *          library/rsa.c
+ *          library/ssl_cookie.c
+ *          library/ssl_msg.c
+ *          library/ssl_tls.c
+ *          library/x509.c
+ *          library/x509_crt.c
+ *          library/x509write_crt.c
+ *          library/x509write_csr.c
  *
  * Uncomment to enable generic message digest wrappers.
  */
@@ -2546,7 +2563,7 @@
  *          library/ssl*_server.c
  *          library/x509.c
  *
- * Requires: MBEDTLS_RSA_C or MBEDTLS_ECP_C
+ * Requires: MBEDTLS_MD_C, MBEDTLS_RSA_C or MBEDTLS_ECP_C
  *
  * Uncomment to enable generic public key wrappers.
  */
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 6dac3d1..c8c1219 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -1428,7 +1428,6 @@
                               *   configured, this has value \c 0.
                               */
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
-
     unsigned char *MBEDTLS_PRIVATE(psk);      /*!< The raw pre-shared key. This field should
                               *   only be set via mbedtls_ssl_conf_psk().
                               *   If either no PSK or an opaque PSK
diff --git a/library/asn1write.c b/library/asn1write.c
index dc61854..2110052 100644
--- a/library/asn1write.c
+++ b/library/asn1write.c
@@ -472,7 +472,7 @@
         cur->val.len = val_len;
     }
 
-    if( val != NULL )
+    if( val != NULL && val_len != 0 )
         memcpy( cur->val.p, val, val_len );
 
     return( cur );
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index d58923d..fa6800b 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -5371,7 +5371,6 @@
     *cur++ = MBEDTLS_BYTE_1( data_length );
     *cur++ = MBEDTLS_BYTE_0( data_length );
     memcpy( cur, data, data_length );
-    mbedtls_platform_zeroize( (void*) data, data_length );
     cur += data_length;
 
     status = psa_tls12_prf_set_key( prf, pms, cur - pms );
diff --git a/library/rsa.c b/library/rsa.c
index 36f487f..497fc21 100644
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -49,10 +49,6 @@
 
 #include <string.h>
 
-#if defined(MBEDTLS_PKCS1_V21)
-#include "mbedtls/md.h"
-#endif
-
 #if defined(MBEDTLS_PKCS1_V15) && !defined(__OpenBSD__) && !defined(__NetBSD__)
 #include <stdlib.h>
 #endif
diff --git a/library/ssl_client.c b/library/ssl_client.c
index 0c32f07..22ca57c 100644
--- a/library/ssl_client.c
+++ b/library/ssl_client.c
@@ -308,110 +308,6 @@
 #endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ||
           MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
 
-#if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
-/*
- * Function for writing a signature algorithm extension.
- *
- * The `extension_data` field of signature algorithm contains  a `SignatureSchemeList`
- * value (TLS 1.3 RFC8446):
- *      enum {
- *         ....
- *        ecdsa_secp256r1_sha256( 0x0403 ),
- *        ecdsa_secp384r1_sha384( 0x0503 ),
- *        ecdsa_secp521r1_sha512( 0x0603 ),
- *         ....
- *      } SignatureScheme;
- *
- *      struct {
- *         SignatureScheme supported_signature_algorithms<2..2^16-2>;
- *      } SignatureSchemeList;
- *
- * The `extension_data` field of signature algorithm contains a `SignatureAndHashAlgorithm`
- * value (TLS 1.2 RFC5246):
- *      enum {
- *          none(0), md5(1), sha1(2), sha224(3), sha256(4), sha384(5),
- *          sha512(6), (255)
- *      } HashAlgorithm;
- *
- *      enum { anonymous(0), rsa(1), dsa(2), ecdsa(3), (255) }
- *        SignatureAlgorithm;
- *
- *      struct {
- *          HashAlgorithm hash;
- *          SignatureAlgorithm signature;
- *      } SignatureAndHashAlgorithm;
- *
- *      SignatureAndHashAlgorithm
- *        supported_signature_algorithms<2..2^16-2>;
- *
- * The TLS 1.3 signature algorithm extension was defined to be a compatible
- * generalization of the TLS 1.2 signature algorithm extension.
- * `SignatureAndHashAlgorithm` field of TLS 1.2 can be represented by
- * `SignatureScheme` field of TLS 1.3
- *
- */
-static int ssl_write_sig_alg_ext( mbedtls_ssl_context *ssl, unsigned char *buf,
-                                  const unsigned char *end, size_t *out_len )
-{
-    unsigned char *p = buf;
-    unsigned char *supported_sig_alg; /* Start of supported_signature_algorithms */
-    size_t supported_sig_alg_len = 0; /* Length of supported_signature_algorithms */
-
-    *out_len = 0;
-
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "adding signature_algorithms extension" ) );
-
-    /* Check if we have space for header and length field:
-     * - extension_type         (2 bytes)
-     * - extension_data_length  (2 bytes)
-     * - supported_signature_algorithms_length   (2 bytes)
-     */
-    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 6 );
-    p += 6;
-
-    /*
-     * Write supported_signature_algorithms
-     */
-    supported_sig_alg = p;
-    const uint16_t *sig_alg = mbedtls_ssl_get_sig_algs( ssl );
-    if( sig_alg == NULL )
-        return( MBEDTLS_ERR_SSL_BAD_CONFIG );
-
-    for( ; *sig_alg != MBEDTLS_TLS1_3_SIG_NONE; sig_alg++ )
-    {
-        if( ! mbedtls_ssl_sig_alg_is_supported( ssl, *sig_alg ) )
-            continue;
-        MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
-        MBEDTLS_PUT_UINT16_BE( *sig_alg, p, 0 );
-        p += 2;
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "signature scheme [%x]", *sig_alg ) );
-    }
-
-    /* Length of supported_signature_algorithms */
-    supported_sig_alg_len = p - supported_sig_alg;
-    if( supported_sig_alg_len == 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "No signature algorithms defined." ) );
-        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
-    }
-
-    /* Write extension_type */
-    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_SIG_ALG, buf, 0 );
-    /* Write extension_data_length */
-    MBEDTLS_PUT_UINT16_BE( supported_sig_alg_len + 2, buf, 2 );
-    /* Write length of supported_signature_algorithms */
-    MBEDTLS_PUT_UINT16_BE( supported_sig_alg_len, buf, 4 );
-
-    /* Output the total length of signature algorithms extension. */
-    *out_len = p - buf;
-
-#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-    ssl->handshake->extensions_present |= MBEDTLS_SSL_EXT_SIG_ALG;
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
-    return( 0 );
-}
-#endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
-
 static int ssl_write_client_hello_cipher_suites(
             mbedtls_ssl_context *ssl,
             unsigned char *buf,
@@ -721,7 +617,7 @@
 #endif
        0 )
     {
-        ret = ssl_write_sig_alg_ext( ssl, p, end, &output_len );
+        ret = mbedtls_ssl_write_sig_alg_ext( ssl, p, end, &output_len );
         if( ret != 0 )
             return( ret );
         p += output_len;
diff --git a/library/ssl_debug_helpers.h b/library/ssl_debug_helpers.h
index 29b64dc..9f1df73 100644
--- a/library/ssl_debug_helpers.h
+++ b/library/ssl_debug_helpers.h
@@ -41,6 +41,8 @@
 
 const char *mbedtls_ssl_sig_alg_to_str( uint16_t in );
 
+const char *mbedtls_ssl_named_group_to_str( uint16_t in );
+
 #endif /* MBEDTLS_DEBUG_C */
 
 #endif /* SSL_DEBUG_HELPERS_H */
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index e8acc23..38453eb 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -585,17 +585,14 @@
      */
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     int tls13_kex_modes; /*!< key exchange modes for TLS 1.3 */
-#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
-#if defined(MBEDTLS_SSL_CLI_C)
-    /** Number of Hello Retry Request messages received from the server.  */
+    /** Number of HelloRetryRequest messages received/sent from/to the server. */
     int hello_retry_request_count;
-#endif /* MBEDTLS_SSL_CLI_C */
-
 #if defined(MBEDTLS_SSL_SRV_C)
     /** selected_group of key_share extension in HelloRetryRequest message. */
     uint16_t hrr_selected_group;
 #endif /* MBEDTLS_SSL_SRV_C */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2) && \
     defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
@@ -652,9 +649,11 @@
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     mbedtls_svc_key_id_t psk_opaque;            /*!< Opaque PSK from the callback   */
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+    uint8_t psk_opaque_is_internal;
+#else
     unsigned char *psk;                 /*!<  PSK from the callback         */
     size_t psk_len;                     /*!<  Length of PSK from callback   */
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
 #if defined(MBEDTLS_SSL_ECP_RESTARTABLE_ENABLED)
@@ -1305,12 +1304,34 @@
                                          size_t msg_len );
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#if !defined(MBEDTLS_USE_PSA_CRYPTO)
 int mbedtls_ssl_psk_derive_premaster( mbedtls_ssl_context *ssl,
                                       mbedtls_key_exchange_type_t key_ex );
+#endif /* !MBEDTLS_USE_PSA_CRYPTO */
 #if defined(MBEDTLS_SSL_CLI_C) && defined(MBEDTLS_SSL_PROTO_TLS1_2)
 int mbedtls_ssl_conf_has_static_psk( mbedtls_ssl_config const *conf );
 #endif
 
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+/**
+ * Get the first defined opaque PSK by order of precedence:
+ * 1. handshake PSK set by \c mbedtls_ssl_set_hs_psk_opaque() in the PSK
+ *    callback
+ * 2. static PSK configured by \c mbedtls_ssl_conf_psk_opaque()
+ * Return an opaque PSK
+ */
+static inline mbedtls_svc_key_id_t mbedtls_ssl_get_opaque_psk(
+    const mbedtls_ssl_context *ssl )
+{
+    if( ! mbedtls_svc_key_id_is_null( ssl->handshake->psk_opaque ) )
+        return( ssl->handshake->psk_opaque );
+
+    if( ! mbedtls_svc_key_id_is_null( ssl->conf->psk_opaque ) )
+        return( ssl->conf->psk_opaque );
+
+    return( MBEDTLS_SVC_KEY_ID_INIT );
+}
+#else
 /**
  * Get the first defined PSK by order of precedence:
  * 1. handshake PSK set by \c mbedtls_ssl_set_hs_psk() in the PSK callback
@@ -1341,27 +1362,6 @@
 
     return( 0 );
 }
-
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-/**
- * Get the first defined opaque PSK by order of precedence:
- * 1. handshake PSK set by \c mbedtls_ssl_set_hs_psk_opaque() in the PSK
- *    callback
- * 2. static PSK configured by \c mbedtls_ssl_conf_psk_opaque()
- * Return an opaque PSK
- */
-static inline mbedtls_svc_key_id_t mbedtls_ssl_get_opaque_psk(
-    const mbedtls_ssl_context *ssl )
-{
-    if( ! mbedtls_svc_key_id_is_null( ssl->handshake->psk_opaque ) )
-        return( ssl->handshake->psk_opaque );
-
-    if( ! mbedtls_svc_key_id_is_null( ssl->conf->psk_opaque ) )
-        return( ssl->conf->psk_opaque );
-
-    return( MBEDTLS_SVC_KEY_ID_INIT );
-}
-
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
@@ -1631,7 +1631,8 @@
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 && MBEDTLS_SSL_PROTO_TLS1_3 */
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
-
+extern const uint8_t mbedtls_ssl_tls13_hello_retry_request_magic[
+                        MBEDTLS_SERVER_HELLO_RANDOM_LEN ];
 int mbedtls_ssl_tls13_process_finished_message( mbedtls_ssl_context *ssl );
 int mbedtls_ssl_tls13_write_finished_message( mbedtls_ssl_context *ssl );
 void mbedtls_ssl_tls13_handshake_wrapup( mbedtls_ssl_context *ssl );
@@ -2290,4 +2291,7 @@
     mbedtls_ssl_protocol_version min_tls_version,
     mbedtls_ssl_protocol_version max_tls_version );
 
+int mbedtls_ssl_write_sig_alg_ext( mbedtls_ssl_context *ssl, unsigned char *buf,
+                                   const unsigned char *end, size_t *out_len );
+
 #endif /* ssl_misc.h */
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 250bae9..ae697b1 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1528,7 +1528,6 @@
     if( !mbedtls_svc_key_id_is_null( conf->psk_opaque ) )
         return( 1 );
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
-
     if( conf->psk != NULL )
         return( 1 );
 
@@ -1545,11 +1544,6 @@
          * user's responsibility. */
         conf->psk_opaque = MBEDTLS_SVC_KEY_ID_INIT;
     }
-    /* This and the following branch should never
-     * be taken simultaenously as we maintain the
-     * invariant that raw and opaque PSKs are never
-     * configured simultaneously. As a safeguard,
-     * though, `else` is omitted here. */
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
     if( conf->psk != NULL )
     {
@@ -1631,10 +1625,16 @@
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     if( ! mbedtls_svc_key_id_is_null( ssl->handshake->psk_opaque ) )
     {
+        /* The maintenance of the external PSK key slot is the
+         * user's responsibility. */
+        if( ssl->handshake->psk_opaque_is_internal )
+        {
+            psa_destroy_key( ssl->handshake->psk_opaque );
+            ssl->handshake->psk_opaque_is_internal = 0;
+        }
         ssl->handshake->psk_opaque = MBEDTLS_SVC_KEY_ID_INIT;
     }
-    else
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#else
     if( ssl->handshake->psk != NULL )
     {
         mbedtls_platform_zeroize( ssl->handshake->psk,
@@ -1642,11 +1642,19 @@
         mbedtls_free( ssl->handshake->psk );
         ssl->handshake->psk_len = 0;
     }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
 }
 
 int mbedtls_ssl_set_hs_psk( mbedtls_ssl_context *ssl,
                             const unsigned char *psk, size_t psk_len )
 {
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    psa_key_attributes_t key_attributes = psa_key_attributes_init();
+    psa_status_t status;
+    psa_algorithm_t alg;
+    mbedtls_svc_key_id_t key;
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
     if( psk == NULL || ssl->handshake == NULL )
         return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
 
@@ -1655,6 +1663,24 @@
 
     ssl_remove_psk( ssl );
 
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    if( ssl->handshake->ciphersuite_info->mac == MBEDTLS_MD_SHA384)
+        alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384);
+    else
+        alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256);
+
+    psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
+    psa_set_key_algorithm( &key_attributes, alg );
+    psa_set_key_type( &key_attributes, PSA_KEY_TYPE_DERIVE );
+
+    status = psa_import_key( &key_attributes, psk, psk_len, &key );
+    if( status != PSA_SUCCESS )
+        return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
+
+    /* Allow calling psa_destroy_key() on psk remove */
+    ssl->handshake->psk_opaque_is_internal = 1;
+    return mbedtls_ssl_set_hs_psk_opaque( ssl, key );
+#else
     if( ( ssl->handshake->psk = mbedtls_calloc( 1, psk_len ) ) == NULL )
         return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
 
@@ -1662,6 +1688,7 @@
     memcpy( ssl->handshake->psk, psk, ssl->handshake->psk_len );
 
     return( 0 );
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
 }
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
@@ -3231,11 +3258,25 @@
 #endif
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    if( ! mbedtls_svc_key_id_is_null( ssl->handshake->psk_opaque ) )
+    {
+        /* The maintenance of the external PSK key slot is the
+         * user's responsibility. */
+        if( ssl->handshake->psk_opaque_is_internal )
+        {
+            psa_destroy_key( ssl->handshake->psk_opaque );
+            ssl->handshake->psk_opaque_is_internal = 0;
+        }
+        ssl->handshake->psk_opaque = MBEDTLS_SVC_KEY_ID_INIT;
+    }
+#else
     if( handshake->psk != NULL )
     {
         mbedtls_platform_zeroize( handshake->psk, handshake->psk_len );
         mbedtls_free( handshake->psk );
     }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
 #endif
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && \
@@ -4424,6 +4465,12 @@
 #endif
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    if( ! mbedtls_svc_key_id_is_null( conf->psk_opaque ) )
+    {
+        conf->psk_opaque = MBEDTLS_SVC_KEY_ID_INIT;
+    }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
     if( conf->psk != NULL )
     {
         mbedtls_platform_zeroize( conf->psk, conf->psk_len );
@@ -4812,6 +4859,7 @@
 static psa_status_t setup_psa_key_derivation( psa_key_derivation_operation_t* derivation,
                                               mbedtls_svc_key_id_t key,
                                               psa_algorithm_t alg,
+                                              const unsigned char* raw_psk, size_t raw_psk_length,
                                               const unsigned char* seed, size_t seed_length,
                                               const unsigned char* label, size_t label_length,
                                               const unsigned char* other_secret,
@@ -4845,7 +4893,7 @@
         {
             status = psa_key_derivation_input_bytes(
                 derivation, PSA_KEY_DERIVATION_INPUT_SECRET,
-                NULL, 0 );
+                raw_psk, raw_psk_length );
         }
         else
         {
@@ -4911,6 +4959,7 @@
 
     status = setup_psa_key_derivation( &derivation,
                                        master_key, alg,
+                                       NULL, 0,
                                        random, rlen,
                                        (unsigned char const *) label,
                                        (size_t) strlen( label ),
@@ -5100,30 +5149,6 @@
     return( 0 );
 }
 
-
-
-#if defined(MBEDTLS_USE_PSA_CRYPTO) &&                   \
-    defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED )
-static int ssl_use_opaque_psk( mbedtls_ssl_context const *ssl )
-{
-    if( ssl->conf->f_psk != NULL )
-    {
-        /* If we've used a callback to select the PSK,
-         * the static configuration is irrelevant. */
-        if( ! mbedtls_svc_key_id_is_null( ssl->handshake->psk_opaque ) )
-            return( 1 );
-
-        return( 0 );
-    }
-
-    if( ! mbedtls_svc_key_id_is_null( ssl->conf->psk_opaque ) )
-        return( 1 );
-
-    return( 0 );
-}
-#endif /* MBEDTLS_USE_PSA_CRYPTO &&
-          MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
-
 /*
  * Compute master secret if needed
  *
@@ -5196,8 +5221,7 @@
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO) &&                   \
     defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-    if( mbedtls_ssl_ciphersuite_uses_psk( handshake->ciphersuite_info ) == 1 &&
-        ssl_use_opaque_psk( ssl ) == 1 )
+    if( mbedtls_ssl_ciphersuite_uses_psk( handshake->ciphersuite_info ) == 1 )
     {
         /* Perform PSK-to-MS expansion in a single step. */
         psa_status_t status;
@@ -5240,6 +5264,7 @@
         }
 
         status = setup_psa_key_derivation( &derivation, psk, alg,
+                                           ssl->conf->psk, ssl->conf->psk_len,
                                            seed, seed_len,
                                            (unsigned char const *) lbl,
                                            (size_t) strlen( lbl ),
@@ -5472,7 +5497,8 @@
 }
 #endif /* MBEDTLS_SHA384_C */
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#if !defined(MBEDTLS_USE_PSA_CRYPTO) &&                      \
+    defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
 int mbedtls_ssl_psk_derive_premaster( mbedtls_ssl_context *ssl, mbedtls_key_exchange_type_t key_ex )
 {
     unsigned char *p = ssl->handshake->premaster;
@@ -5481,11 +5507,6 @@
     size_t psk_len = 0;
     int psk_ret = mbedtls_ssl_get_psk( ssl, &psk, &psk_len );
 
-#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( psk_ret == MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED )
     {
         /*
@@ -5560,19 +5581,10 @@
         p += 2 + len;
 
         MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: K ", &ssl->handshake->dhm_ctx.K  );
-
-        /* For opaque PSK fill premaster with the the shared secret without PSK. */
-        if( psk_ret == MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "skip PMS generation for opaque DHE-PSK" ) );
-            return( 0 );
-        }
     }
     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( key_ex == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
     {
         int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
@@ -5593,7 +5605,7 @@
                                 MBEDTLS_DEBUG_ECDH_Z );
     }
     else
-#endif /* !MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
     {
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
         return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
@@ -5616,7 +5628,7 @@
 
     return( 0 );
 }
-#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+#endif /* !MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
 #if defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_SSL_RENEGOTIATION)
 static int ssl_write_hello_request( mbedtls_ssl_context *ssl );
@@ -7998,4 +8010,104 @@
     return( 0 );
 }
 
+#if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
+/*
+ * Function for writing a signature algorithm extension.
+ *
+ * The `extension_data` field of signature algorithm contains  a `SignatureSchemeList`
+ * value (TLS 1.3 RFC8446):
+ *      enum {
+ *         ....
+ *        ecdsa_secp256r1_sha256( 0x0403 ),
+ *        ecdsa_secp384r1_sha384( 0x0503 ),
+ *        ecdsa_secp521r1_sha512( 0x0603 ),
+ *         ....
+ *      } SignatureScheme;
+ *
+ *      struct {
+ *         SignatureScheme supported_signature_algorithms<2..2^16-2>;
+ *      } SignatureSchemeList;
+ *
+ * The `extension_data` field of signature algorithm contains a `SignatureAndHashAlgorithm`
+ * value (TLS 1.2 RFC5246):
+ *      enum {
+ *          none(0), md5(1), sha1(2), sha224(3), sha256(4), sha384(5),
+ *          sha512(6), (255)
+ *      } HashAlgorithm;
+ *
+ *      enum { anonymous(0), rsa(1), dsa(2), ecdsa(3), (255) }
+ *        SignatureAlgorithm;
+ *
+ *      struct {
+ *          HashAlgorithm hash;
+ *          SignatureAlgorithm signature;
+ *      } SignatureAndHashAlgorithm;
+ *
+ *      SignatureAndHashAlgorithm
+ *        supported_signature_algorithms<2..2^16-2>;
+ *
+ * The TLS 1.3 signature algorithm extension was defined to be a compatible
+ * generalization of the TLS 1.2 signature algorithm extension.
+ * `SignatureAndHashAlgorithm` field of TLS 1.2 can be represented by
+ * `SignatureScheme` field of TLS 1.3
+ *
+ */
+int mbedtls_ssl_write_sig_alg_ext( mbedtls_ssl_context *ssl, unsigned char *buf,
+                                   const unsigned char *end, size_t *out_len )
+{
+    unsigned char *p = buf;
+    unsigned char *supported_sig_alg; /* Start of supported_signature_algorithms */
+    size_t supported_sig_alg_len = 0; /* Length of supported_signature_algorithms */
+
+    *out_len = 0;
+
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "adding signature_algorithms extension" ) );
+
+    /* Check if we have space for header and length field:
+     * - extension_type         (2 bytes)
+     * - extension_data_length  (2 bytes)
+     * - supported_signature_algorithms_length   (2 bytes)
+     */
+    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 6 );
+    p += 6;
+
+    /*
+     * Write supported_signature_algorithms
+     */
+    supported_sig_alg = p;
+    const uint16_t *sig_alg = mbedtls_ssl_get_sig_algs( ssl );
+    if( sig_alg == NULL )
+        return( MBEDTLS_ERR_SSL_BAD_CONFIG );
+
+    for( ; *sig_alg != MBEDTLS_TLS1_3_SIG_NONE; sig_alg++ )
+    {
+        if( ! mbedtls_ssl_sig_alg_is_supported( ssl, *sig_alg ) )
+            continue;
+        MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
+        MBEDTLS_PUT_UINT16_BE( *sig_alg, p, 0 );
+        p += 2;
+        MBEDTLS_SSL_DEBUG_MSG( 3, ( "signature scheme [%x]", *sig_alg ) );
+    }
+
+    /* Length of supported_signature_algorithms */
+    supported_sig_alg_len = p - supported_sig_alg;
+    if( supported_sig_alg_len == 0 )
+    {
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "No signature algorithms defined." ) );
+        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
+    }
+
+    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_SIG_ALG, buf, 0 );
+    MBEDTLS_PUT_UINT16_BE( supported_sig_alg_len + 2, buf, 2 );
+    MBEDTLS_PUT_UINT16_BE( supported_sig_alg_len, buf, 4 );
+
+    *out_len = p - buf;
+
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
+    ssl->handshake->extensions_present |= MBEDTLS_SSL_EXT_SIG_ALG;
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
+    return( 0 );
+}
+#endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
+
 #endif /* MBEDTLS_SSL_TLS_C */
diff --git a/library/ssl_tls12_client.c b/library/ssl_tls12_client.c
index d286764..095db8f 100644
--- a/library/ssl_tls12_client.c
+++ b/library/ssl_tls12_client.c
@@ -62,37 +62,16 @@
         return( 0 );
     }
 
-    if( conf->psk != NULL && conf->psk_len != 0 )
-        return( 1 );
-
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     if( ! mbedtls_svc_key_id_is_null( conf->psk_opaque ) )
         return( 1 );
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    return( 0 );
-}
-
-#if defined(MBEDTLS_USE_PSA_CRYPTO) && \
-    ( defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ) || \
-      defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED) )
-static int ssl_conf_has_static_raw_psk( mbedtls_ssl_config const *conf )
-{
-    if( conf->psk_identity     == NULL ||
-        conf->psk_identity_len == 0     )
-    {
-        return( 0 );
-    }
-
     if( conf->psk != NULL && conf->psk_len != 0 )
         return( 1 );
 
     return( 0 );
 }
-#endif /* MBEDTLS_USE_PSA_CRYPTO &&
-          ( MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
-            MBEDTLS_KEY_EXCHANGE_PSK_ENABLED ) */
-
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
@@ -3067,41 +3046,6 @@
         /* Write the ECDH computation length before the ECDH computation */
         MBEDTLS_PUT_UINT16_BE( zlen, pms, 0 );
         pms += zlen_size + zlen;
-
-        /* In case of opaque psk skip writting psk to pms.
-         * Opaque key will be handled later. */
-        if( ssl_conf_has_static_raw_psk( ssl->conf ) == 1 )
-        {
-            const unsigned char *psk = NULL;
-            size_t psk_len = 0;
-
-            if( mbedtls_ssl_get_psk( ssl, &psk, &psk_len )
-                    == MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED )
-                /*
-                * This should never happen because the existence of a PSK is always
-                * checked before calling this function
-                */
-                return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
-
-            /* opaque psk<0..2^16-1>; */
-            if( (size_t)( pms_end - pms ) < ( 2 + psk_len ) )
-                return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
-
-            /* Write the PSK length as uint16 */
-            MBEDTLS_PUT_UINT16_BE( psk_len, pms, 0 );
-            pms += 2;
-
-            /* Write the PSK itself */
-            memcpy( pms, psk, psk_len );
-            pms += psk_len;
-
-            ssl->handshake->pmslen = pms - ssl->handshake->premaster;
-        }
-        else
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "skip PMS generation for opaque ECDHE-PSK" ) );
-        }
     }
     else
 #endif /* MBEDTLS_USE_PSA_CRYPTO &&
@@ -3182,6 +3126,25 @@
                 MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_make_public", ret );
                 return( ret );
             }
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+            unsigned char *pms = ssl->handshake->premaster;
+            unsigned char *pms_end = pms + sizeof( ssl->handshake->premaster );
+            size_t pms_len;
+
+            /* Write length only when we know the actual value */
+            if( ( ret = mbedtls_dhm_calc_secret( &ssl->handshake->dhm_ctx,
+                                          pms + 2, pms_end - ( pms + 2 ), &pms_len,
+                                          ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 )
+            {
+                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_calc_secret", ret );
+                return( ret );
+            }
+            MBEDTLS_PUT_UINT16_BE( pms_len, pms, 0 );
+            pms += 2 + pms_len;
+
+            MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: K ", &ssl->handshake->dhm_ctx.K  );
+#endif
         }
         else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
@@ -3213,31 +3176,15 @@
             return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
         }
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO) &&          \
-    defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK &&
-            ssl_conf_has_static_raw_psk( ssl->conf ) == 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "skip PMS generation for opaque PSK" ) );
-        }
-        else
-        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK &&
-            ssl_conf_has_static_raw_psk( ssl->conf ) == 0 )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "skip PMS generation for opaque RSA-PSK" ) );
-        }
-        else
-#endif /* MBEDTLS_USE_PSA_CRYPTO &&
-          MBEDTLS_KEY_EXCHANGE_PSK_ENABLED */
+#if !defined(MBEDTLS_USE_PSA_CRYPTO)
         if( ( ret = mbedtls_ssl_psk_derive_premaster( ssl,
                         ciphersuite_info->key_exchange ) ) != 0 )
         {
             MBEDTLS_SSL_DEBUG_RET( 1,
-                "mbedtls_ssl_psk_derive_premaster", ret );
+                    "mbedtls_ssl_psk_derive_premaster", ret );
             return( ret );
         }
+#endif /* !MBEDTLS_USE_PSA_CRYPTO */
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
diff --git a/library/ssl_tls12_server.c b/library/ssl_tls12_server.c
index a60b5ad..a1505d1 100644
--- a/library/ssl_tls12_server.c
+++ b/library/ssl_tls12_server.c
@@ -160,43 +160,17 @@
     if( conf->psk_identity_len == 0 || conf->psk_identity == NULL )
         return( 0 );
 
-    if( conf->psk != NULL && conf->psk_len != 0 )
-        return( 1 );
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     if( ! mbedtls_svc_key_id_is_null( conf->psk_opaque ) )
         return( 1 );
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    return( 0 );
-}
-
-#if defined(MBEDTLS_USE_PSA_CRYPTO) && \
-    ( defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ) || \
-      defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED) ||        \
-      defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) )
-static int ssl_use_opaque_psk( mbedtls_ssl_context const *ssl )
-{
-    if( ssl->conf->f_psk != NULL )
-    {
-        /* If we've used a callback to select the PSK,
-         * the static configuration is irrelevant. */
-
-        if( ! mbedtls_svc_key_id_is_null( ssl->handshake->psk_opaque ) )
-            return( 1 );
-
-        return( 0 );
-    }
-
-    if( ! mbedtls_svc_key_id_is_null( ssl->conf->psk_opaque ) )
+    if( conf->psk != NULL && conf->psk_len != 0 )
         return( 1 );
 
     return( 0 );
 }
-#endif /* MBEDTLS_USE_PSA_CRYPTO &&
-          ( MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
-            MBEDTLS_KEY_EXCHANGE_PSK_ENABLED ||
-            MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) */
 #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
 static int ssl_parse_renegotiation_info( mbedtls_ssl_context *ssl,
@@ -4009,19 +3983,14 @@
             return( MBEDTLS_ERR_SSL_DECODE_ERROR );
         }
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-        /* For opaque PSKs, we perform the PSK-to-MS derivation atomatically
-         * and skip the intermediate PMS. */
-        if( ssl_use_opaque_psk( ssl ) == 1 )
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "skip PMS generation for opaque PSK" ) );
-        else
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#if !defined(MBEDTLS_USE_PSA_CRYPTO)
         if( ( ret = mbedtls_ssl_psk_derive_premaster( ssl,
                         ciphersuite_info->key_exchange ) ) != 0 )
         {
             MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_psk_derive_premaster", ret );
             return( ret );
         }
+#endif /* !MBEDTLS_USE_PSA_CRYPTO */
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_PSK_ENABLED */
@@ -4053,19 +4022,14 @@
             return( ret );
         }
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-        /* For opaque PSKs, we perform the PSK-to-MS derivation automatically
-         * and skip the intermediate PMS. */
-        if( ssl_use_opaque_psk( ssl ) == 1 )
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "skip PMS generation for opaque RSA-PSK" ) );
-        else
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#if !defined(MBEDTLS_USE_PSA_CRYPTO)
         if( ( ret = mbedtls_ssl_psk_derive_premaster( ssl,
                         ciphersuite_info->key_exchange ) ) != 0 )
         {
             MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_psk_derive_premaster", ret );
             return( ret );
         }
+#endif /* !MBEDTLS_USE_PSA_CRYPTO */
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED */
@@ -4089,12 +4053,31 @@
             return( MBEDTLS_ERR_SSL_DECODE_ERROR );
         }
 
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+        unsigned char *pms = ssl->handshake->premaster;
+        unsigned char *pms_end = pms + sizeof( ssl->handshake->premaster );
+        size_t pms_len;
+
+        /* Write length only when we know the actual value */
+        if( ( ret = mbedtls_dhm_calc_secret( &ssl->handshake->dhm_ctx,
+                                      pms + 2, pms_end - ( pms + 2 ), &pms_len,
+                                      ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 )
+        {
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_calc_secret", ret );
+            return( ret );
+        }
+        MBEDTLS_PUT_UINT16_BE( pms_len, pms, 0 );
+        pms += 2 + pms_len;
+
+        MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: K ", &ssl->handshake->dhm_ctx.K  );
+#else
         if( ( ret = mbedtls_ssl_psk_derive_premaster( ssl,
                         ciphersuite_info->key_exchange ) ) != 0 )
         {
             MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_psk_derive_premaster", ret );
             return( ret );
         }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
     }
     else
 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
@@ -4175,40 +4158,6 @@
         MBEDTLS_PUT_UINT16_BE( zlen, psm, 0 );
         psm += zlen_size + zlen;
 
-        const unsigned char *psk = NULL;
-        size_t psk_len = 0;
-
-        /* In case of opaque psk skip writting psk to pms.
-         * Opaque key will be handled later. */
-        if( ssl_use_opaque_psk( ssl ) == 0 )
-        {
-            if( mbedtls_ssl_get_psk( ssl, &psk, &psk_len )
-                    == MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED )
-                /*
-                * This should never happen because the existence of a PSK is always
-                * checked before calling this function
-                */
-                return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
-
-            /* opaque psk<0..2^16-1>; */
-            if( (size_t)( psm_end - psm ) < ( 2 + psk_len ) )
-                return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
-
-            /* Write the PSK length as uint16 */
-            MBEDTLS_PUT_UINT16_BE( psk_len, psm, 0 );
-            psm += 2;
-
-            /* Write the PSK itself */
-            memcpy( psm, psk, psk_len );
-            psm += psk_len;
-
-            ssl->handshake->pmslen = psm - ssl->handshake->premaster;
-        }
-        else
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1,
-                ( "skip PMS generation for opaque ECDHE-PSK" ) );
-        }
 #else /* MBEDTLS_USE_PSA_CRYPTO */
         if( ( ret = ssl_parse_client_psk_identity( ssl, &p, end ) ) != 0 )
         {
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index d024abf..320c5b4 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -750,11 +750,6 @@
                                     const unsigned char *buf,
                                     const unsigned char *end )
 {
-    static const unsigned char magic_hrr_string[MBEDTLS_SERVER_HELLO_RANDOM_LEN] =
-        { 0xCF, 0x21, 0xAD, 0x74, 0xE5, 0x9A, 0x61, 0x11,
-          0xBE, 0x1D, 0x8C, 0x02, 0x1E, 0x65, 0xB8, 0x91,
-          0xC2, 0xA2, 0x11, 0x16, 0x7A, 0xBB, 0x8C, 0x5E,
-          0x07, 0x9E, 0x09, 0xE2, 0xC8, 0xA8, 0x33 ,0x9C };
 
     /* Check whether this message is a HelloRetryRequest ( HRR ) message.
      *
@@ -771,9 +766,11 @@
      * } ServerHello;
      *
      */
-    MBEDTLS_SSL_CHK_BUF_READ_PTR( buf, end, 2 + sizeof( magic_hrr_string ) );
+    MBEDTLS_SSL_CHK_BUF_READ_PTR( buf, end,
+                    2 + sizeof( mbedtls_ssl_tls13_hello_retry_request_magic ) );
 
-    if( memcmp( buf + 2, magic_hrr_string, sizeof( magic_hrr_string ) ) == 0 )
+    if( memcmp( buf + 2, mbedtls_ssl_tls13_hello_retry_request_magic,
+                sizeof( mbedtls_ssl_tls13_hello_retry_request_magic ) ) == 0 )
     {
         return( SSL_SERVER_HELLO_COORDINATE_HRR );
     }
@@ -1189,8 +1186,6 @@
 static int ssl_tls13_postprocess_server_hello( mbedtls_ssl_context *ssl )
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    mbedtls_ssl_key_set traffic_keys;
-    mbedtls_ssl_transform *transform_handshake = NULL;
     mbedtls_ssl_handshake_params *handshake = ssl->handshake;
 
     /* Determine the key exchange mode:
@@ -1234,50 +1229,21 @@
     ret = mbedtls_ssl_tls13_key_schedule_stage_early( ssl );
     if( ret != 0 )
     {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls13_key_schedule_stage_early_data",
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls13_key_schedule_stage_early",
                                ret );
         goto cleanup;
     }
 
-    /* Compute handshake secret */
-    ret = mbedtls_ssl_tls13_key_schedule_stage_handshake( ssl );
+    ret = mbedtls_ssl_tls13_compute_handshake_transform( ssl );
     if( ret != 0 )
     {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls13_derive_master_secret", ret );
-        goto cleanup;
-    }
-
-    /* Next evolution in key schedule: Establish handshake secret and
-     * key material. */
-    ret = mbedtls_ssl_tls13_generate_handshake_keys( ssl, &traffic_keys );
-    if( ret != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls13_generate_handshake_keys",
+        MBEDTLS_SSL_DEBUG_RET( 1,
+                               "mbedtls_ssl_tls13_compute_handshake_transform",
                                ret );
         goto cleanup;
     }
 
-    transform_handshake = mbedtls_calloc( 1, sizeof( mbedtls_ssl_transform ) );
-    if( transform_handshake == NULL )
-    {
-        ret = MBEDTLS_ERR_SSL_ALLOC_FAILED;
-        goto cleanup;
-    }
-
-    ret = mbedtls_ssl_tls13_populate_transform( transform_handshake,
-                              ssl->conf->endpoint,
-                              ssl->session_negotiate->ciphersuite,
-                              &traffic_keys,
-                              ssl );
-    if( ret != 0 )
-    {
-        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls13_populate_transform", ret );
-        goto cleanup;
-    }
-
-    handshake->transform_handshake = transform_handshake;
-    mbedtls_ssl_set_inbound_transform( ssl, transform_handshake );
-
+    mbedtls_ssl_set_inbound_transform( ssl, handshake->transform_handshake );
     MBEDTLS_SSL_DEBUG_MSG( 1, ( "Switch to handshake keys for inbound traffic" ) );
     ssl->session_in = ssl->session_negotiate;
 
@@ -1287,16 +1253,13 @@
     mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_ENCRYPTED_EXTENSIONS );
 
 cleanup:
-
-    mbedtls_platform_zeroize( &traffic_keys, sizeof( traffic_keys ) );
     if( ret != 0 )
     {
-        mbedtls_free( transform_handshake );
-
         MBEDTLS_SSL_PEND_FATAL_ALERT(
             MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE,
             MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
     }
+
     return( ret );
 }
 
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index f5d791f..06ee46b 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -34,6 +34,13 @@
 #include "ssl_tls13_keys.h"
 #include "ssl_debug_helpers.h"
 
+const uint8_t mbedtls_ssl_tls13_hello_retry_request_magic[
+                MBEDTLS_SERVER_HELLO_RANDOM_LEN ] =
+                    { 0xCF, 0x21, 0xAD, 0x74, 0xE5, 0x9A, 0x61, 0x11,
+                      0xBE, 0x1D, 0x8C, 0x02, 0x1E, 0x65, 0xB8, 0x91,
+                      0xC2, 0xA2, 0x11, 0x16, 0x7A, 0xBB, 0x8C, 0x5E,
+                      0x07, 0x9E, 0x09, 0xE2, 0xC8, 0xA8, 0x33, 0x9C };
+
 int mbedtls_ssl_tls13_fetch_handshake_msg( mbedtls_ssl_context *ssl,
                                            unsigned hs_type,
                                            unsigned char **buf,
diff --git a/library/ssl_tls13_keys.c b/library/ssl_tls13_keys.c
index 6559bc9..8ffd9a1 100644
--- a/library/ssl_tls13_keys.c
+++ b/library/ssl_tls13_keys.c
@@ -27,6 +27,7 @@
 #include "mbedtls/hkdf.h"
 #include "mbedtls/debug.h"
 #include "mbedtls/error.h"
+#include "mbedtls/platform.h"
 
 #include "ssl_misc.h"
 #include "ssl_tls13_keys.h"
@@ -1506,8 +1507,62 @@
     /* randbytes is not used again */
     mbedtls_platform_zeroize( ssl->handshake->randbytes,
                               sizeof( ssl->handshake->randbytes ) );
+
     mbedtls_platform_zeroize( transcript, sizeof( transcript ) );
     return( ret );
 }
 
+int mbedtls_ssl_tls13_compute_handshake_transform( mbedtls_ssl_context *ssl )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+    mbedtls_ssl_key_set traffic_keys;
+    mbedtls_ssl_transform *transform_handshake = NULL;
+    mbedtls_ssl_handshake_params *handshake = ssl->handshake;
+
+    /* Compute handshake secret */
+    ret = mbedtls_ssl_tls13_key_schedule_stage_handshake( ssl );
+    if( ret != 0 )
+    {
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls13_derive_master_secret", ret );
+        goto cleanup;
+    }
+
+    /* Next evolution in key schedule: Establish handshake secret and
+     * key material. */
+    ret = mbedtls_ssl_tls13_generate_handshake_keys( ssl, &traffic_keys );
+    if( ret != 0 )
+    {
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls13_generate_handshake_keys",
+                               ret );
+        goto cleanup;
+    }
+
+    transform_handshake = mbedtls_calloc( 1, sizeof( mbedtls_ssl_transform ) );
+    if( transform_handshake == NULL )
+    {
+        ret = MBEDTLS_ERR_SSL_ALLOC_FAILED;
+        goto cleanup;
+    }
+
+    ret = mbedtls_ssl_tls13_populate_transform(
+                                        transform_handshake,
+                                        ssl->conf->endpoint,
+                                        ssl->session_negotiate->ciphersuite,
+                                        &traffic_keys,
+                                        ssl );
+    if( ret != 0 )
+    {
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls13_populate_transform", ret );
+        goto cleanup;
+    }
+    handshake->transform_handshake = transform_handshake;
+
+cleanup:
+    mbedtls_platform_zeroize( &traffic_keys, sizeof( traffic_keys ) );
+    if( ret != 0 )
+        mbedtls_free( transform_handshake );
+
+    return( ret );
+}
+
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
diff --git a/library/ssl_tls13_keys.h b/library/ssl_tls13_keys.h
index d56067c..676ebae 100644
--- a/library/ssl_tls13_keys.h
+++ b/library/ssl_tls13_keys.h
@@ -638,6 +638,17 @@
                                              size_t *actual_len,
                                              int which );
 
+/**
+ * \brief Compute TLS 1.3 handshake transform
+ *
+ * \param ssl  The SSL context to operate on. The early secret must have been
+ *             computed.
+ *
+ * \returns    \c 0 on success.
+ * \returns    A negative error code on failure.
+ */
+int mbedtls_ssl_tls13_compute_handshake_transform( mbedtls_ssl_context *ssl );
+
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
 #endif /* MBEDTLS_SSL_TLS1_3_KEYS_H */
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index d06b9a8..46a6a49 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -22,6 +22,8 @@
 #if defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_SSL_PROTO_TLS1_3)
 
 #include "mbedtls/debug.h"
+#include "mbedtls/error.h"
+#include "mbedtls/platform.h"
 
 #include "ssl_misc.h"
 #include "ssl_tls13_keys.h"
@@ -39,6 +41,10 @@
 #define mbedtls_free       free
 #endif /* MBEDTLS_PLATFORM_C */
 
+#include "ssl_misc.h"
+#include "ssl_tls13_keys.h"
+#include "ssl_debug_helpers.h"
+
 /* From RFC 8446:
  *   struct {
  *          ProtocolVersion versions<2..254>;
@@ -100,9 +106,9 @@
  *       NamedGroup named_group_list<2..2^16-1>;
  *   } NamedGroupList;
  */
-static int ssl_tls13_parse_supported_groups_ext(
-                mbedtls_ssl_context *ssl,
-                const unsigned char *buf, const unsigned char *end )
+static int ssl_tls13_parse_supported_groups_ext( mbedtls_ssl_context *ssl,
+                                                 const unsigned char *buf,
+                                                 const unsigned char *end )
 {
     const unsigned char *p = buf;
     size_t named_group_list_len;
@@ -123,7 +129,10 @@
         named_group = MBEDTLS_GET_UINT16_BE( p, 0 );
         p += 2;
 
-        MBEDTLS_SSL_DEBUG_MSG( 2, ( "got named group: %d", named_group ) );
+        MBEDTLS_SSL_DEBUG_MSG( 2,
+                               ( "got named group: %s(%04x)",
+                                 mbedtls_ssl_named_group_to_str( named_group ),
+                                 named_group ) );
 
         if( ! mbedtls_ssl_named_group_is_offered( ssl, named_group ) ||
             ! mbedtls_ssl_named_group_is_supported( named_group ) ||
@@ -132,9 +141,11 @@
             continue;
         }
 
-        MBEDTLS_SSL_DEBUG_MSG(
-                2, ( "add named group (%04x) into received list.",
-                     named_group ) );
+        MBEDTLS_SSL_DEBUG_MSG( 2,
+                               ( "add named group %s(%04x) into received list.",
+                                 mbedtls_ssl_named_group_to_str( named_group ),
+                                 named_group ) );
+
         ssl->handshake->hrr_selected_group = named_group;
     }
 
@@ -156,8 +167,7 @@
  *    does not match a group supported by the server. A HelloRetryRequest will
  *    be needed.
  *  - A negative value for fatal errors.
-*/
-
+ */
 static int ssl_tls13_parse_key_shares_ext( mbedtls_ssl_context *ssl,
                                            const unsigned char *buf,
                                            const unsigned char *end )
@@ -165,8 +175,7 @@
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     unsigned char const *p = buf;
     unsigned char const *client_shares_end;
-    size_t client_shares_len, key_exchange_len;
-    int match_found = 0;
+    size_t client_shares_len;
 
     /* From RFC 8446:
      *
@@ -190,9 +199,11 @@
      * dismiss it and send a HelloRetryRequest message.
      */
 
-    for( ; p < client_shares_end; p += key_exchange_len )
+    while( p < client_shares_end )
     {
         uint16_t group;
+        size_t key_exchange_len;
+        const unsigned char *key_exchange;
 
         /*
          * struct {
@@ -202,19 +213,18 @@
          */
         MBEDTLS_SSL_CHK_BUF_READ_PTR( p, client_shares_end, 4 );
         group = MBEDTLS_GET_UINT16_BE( p, 0 );
-        p += 2;
-        key_exchange_len = MBEDTLS_GET_UINT16_BE( p, 0 );
-        p += 2;
+        key_exchange_len = MBEDTLS_GET_UINT16_BE( p, 2 );
+        p += 4;
+        key_exchange = p;
         MBEDTLS_SSL_CHK_BUF_READ_PTR( p, client_shares_end, key_exchange_len );
+        p += key_exchange_len;
 
         /* Continue parsing even if we have already found a match,
          * for input validation purposes.
          */
-        if( match_found == 1 )
-            continue;
-
         if( ! mbedtls_ssl_named_group_is_offered( ssl, group ) ||
-            ! mbedtls_ssl_named_group_is_supported( group ) )
+            ! mbedtls_ssl_named_group_is_supported( group ) ||
+            ssl->handshake->offered_group_id != 0 )
         {
             continue;
         }
@@ -224,16 +234,14 @@
          */
         if( mbedtls_ssl_tls13_named_group_is_ecdhe( group ) )
         {
-            const mbedtls_ecp_curve_info *curve_info =
-                    mbedtls_ecp_curve_info_from_tls_id( group );
-            ((void) curve_info);
-            MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDH curve: %s", curve_info->name ) );
+            MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDH group: %s (%04x)",
+                                        mbedtls_ssl_named_group_to_str( group ),
+                                        group ) );
             ret = mbedtls_ssl_tls13_read_public_ecdhe_share(
-                    ssl, p - 2, key_exchange_len + 2 );
+                      ssl, key_exchange - 2, key_exchange_len + 2 );
             if( ret != 0 )
                 return( ret );
 
-            match_found = 1;
         }
         else
         {
@@ -245,7 +253,8 @@
         ssl->handshake->offered_group_id = group;
     }
 
-    if( match_found == 0 )
+
+    if( ssl->handshake->offered_group_id == 0 )
     {
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "no matching key share" ) );
         return( SSL_TLS1_3_PARSE_KEY_SHARES_EXT_NO_MATCH );
@@ -382,6 +391,7 @@
     const unsigned char *cipher_suites_end;
     size_t extensions_len;
     const unsigned char *extensions_end;
+    int hrr_required = 0;
 
     const mbedtls_ssl_ciphersuite_t* ciphersuite_info;
 
@@ -429,9 +439,9 @@
      */
     ssl->tls_version = MBEDTLS_SSL_VERSION_TLS1_3;
 
-    /* ---
-     *  Random random;
-     * ---
+    /* ...
+     * Random random;
+     * ...
      * with Random defined as:
      * opaque Random[32];
      */
@@ -441,9 +451,9 @@
     memcpy( &ssl->handshake->randbytes[0], p, MBEDTLS_CLIENT_HELLO_RANDOM_LEN );
     p += MBEDTLS_CLIENT_HELLO_RANDOM_LEN;
 
-    /* ---
+    /* ...
      * opaque legacy_session_id<0..32>;
-     * ---
+     * ...
      */
     legacy_session_id_len = p[0];
     p++;
@@ -474,9 +484,9 @@
      */
     MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, cipher_suites_len + 2 + 2 );
 
-   /* ---
+   /* ...
     * CipherSuite cipher_suites<2..2^16-2>;
-    * ---
+    * ...
     * with CipherSuite defined as:
     * uint8 CipherSuite[2];
     */
@@ -498,10 +508,12 @@
          * Check whether this ciphersuite is valid and offered.
          */
         if( ( mbedtls_ssl_validate_ciphersuite(
-            ssl, ciphersuite_info, ssl->tls_version,
-            ssl->tls_version ) != 0 ) ||
-            !mbedtls_ssl_tls13_cipher_suite_is_offered( ssl, cipher_suite ) )
+                ssl, ciphersuite_info, ssl->tls_version,
+                ssl->tls_version ) != 0 ) ||
+            ! mbedtls_ssl_tls13_cipher_suite_is_offered( ssl, cipher_suite ) )
+        {
             continue;
+        }
 
         ssl->session_negotiate->ciphersuite = cipher_suite;
         ssl->handshake->ciphersuite_info = ciphersuite_info;
@@ -511,7 +523,7 @@
 
     }
 
-    if( !ciphersuite_match )
+    if( ! ciphersuite_match )
     {
         MBEDTLS_SSL_PEND_FATAL_ALERT( MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE,
                                       MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
@@ -522,6 +534,7 @@
                                 ciphersuite_info->name ) );
 
     p = cipher_suites + cipher_suites_len;
+
     /* ...
      * opaque legacy_compression_methods<1..2^8-1>;
      * ...
@@ -535,9 +548,9 @@
     }
     p += 2;
 
-    /* ---
+    /* ...
      * Extension extensions<8..2^16-1>;
-     * ---
+     * ...
      * with Extension defined as:
      * struct {
      *    ExtensionType extension_type;
@@ -577,8 +590,8 @@
                  * indicates the named groups which the client supports,
                  * ordered from most preferred to least preferred.
                  */
-                ret = ssl_tls13_parse_supported_groups_ext( ssl, p,
-                            extension_data_end );
+                ret = ssl_tls13_parse_supported_groups_ext(
+                          ssl, p, extension_data_end );
                 if( ret != 0 )
                 {
                     MBEDTLS_SSL_DEBUG_RET( 1,
@@ -601,15 +614,20 @@
                  * contains the endpoint's cryptographic parameters for
                  * ECDHE/DHE key establishment methods.
                  */
-                ret = ssl_tls13_parse_key_shares_ext( ssl, p, extension_data_end );
+                ret = ssl_tls13_parse_key_shares_ext(
+                          ssl, p, extension_data_end );
                 if( ret == SSL_TLS1_3_PARSE_KEY_SHARES_EXT_NO_MATCH )
                 {
                     MBEDTLS_SSL_DEBUG_MSG( 2, ( "HRR needed " ) );
-                    ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
+                    hrr_required = 1;
                 }
 
-                if( ret != 0 )
+                if( ret < 0 )
+                {
+                    MBEDTLS_SSL_DEBUG_RET(
+                        1, "ssl_tls13_parse_key_shares_ext", ret );
                     return( ret );
+                }
 
                 ssl->handshake->extensions_present |= MBEDTLS_SSL_EXT_KEY_SHARE;
                 break;
@@ -619,7 +637,7 @@
                 MBEDTLS_SSL_DEBUG_MSG( 3, ( "found supported versions extension" ) );
 
                 ret = ssl_tls13_parse_supported_versions_ext(
-                        ssl, p, extension_data_end );
+                          ssl, p, extension_data_end );
                 if( ret != 0 )
                 {
                     MBEDTLS_SSL_DEBUG_RET( 1,
@@ -633,8 +651,8 @@
             case MBEDTLS_TLS_EXT_SIG_ALG:
                 MBEDTLS_SSL_DEBUG_MSG( 3, ( "found signature_algorithms extension" ) );
 
-                ret = mbedtls_ssl_tls13_parse_sig_alg_ext( ssl, p,
-                                                           extension_data_end );
+                ret = mbedtls_ssl_tls13_parse_sig_alg_ext(
+                          ssl, p, extension_data_end );
                 if( ret != 0 )
                 {
                     MBEDTLS_SSL_DEBUG_MSG( 1,
@@ -681,9 +699,11 @@
         return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
     }
 
-    return( 0 );
+    return( hrr_required ? SSL_CLIENT_HELLO_HRR_REQUIRED : SSL_CLIENT_HELLO_OK );
 }
 
+/* Update the handshake state machine */
+
 static int ssl_tls13_postprocess_client_hello( mbedtls_ssl_context* ssl )
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
@@ -710,6 +730,8 @@
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     unsigned char* buf = NULL;
     size_t buflen = 0;
+    int parse_client_hello_ret;
+
     MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse client hello" ) );
 
     MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_tls13_fetch_handshake_msg(
@@ -718,8 +740,18 @@
 
     MBEDTLS_SSL_PROC_CHK_NEG( ssl_tls13_parse_client_hello( ssl, buf,
                                                             buf + buflen ) );
+    parse_client_hello_ret = ret; /* Store return value of parse_client_hello,
+                                   * only SSL_CLIENT_HELLO_OK or
+                                   * SSL_CLIENT_HELLO_HRR_REQUIRED at this
+                                   * stage as negative error codes are handled
+                                   * by MBEDTLS_SSL_PROC_CHK_NEG. */
+
     MBEDTLS_SSL_PROC_CHK( ssl_tls13_postprocess_client_hello( ssl ) );
-    mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_SERVER_HELLO );
+
+    if( parse_client_hello_ret == SSL_CLIENT_HELLO_OK )
+        mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_SERVER_HELLO );
+    else
+        mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_HELLO_RETRY_REQUEST );
 
 cleanup:
 
@@ -888,6 +920,7 @@
     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 );
@@ -897,6 +930,68 @@
     return( 0 );
 }
 
+static int ssl_tls13_write_hrr_key_share_ext( mbedtls_ssl_context *ssl,
+                                              unsigned char *buf,
+                                              unsigned char *end,
+                                              size_t *out_len )
+{
+    uint16_t selected_group = ssl->handshake->hrr_selected_group;
+    /* key_share Extension
+     *
+     *  struct {
+     *    select (Handshake.msg_type) {
+     *      ...
+     *      case hello_retry_request:
+     *          NamedGroup selected_group;
+     *      ...
+     *    };
+     * } KeyShare;
+     */
+
+    *out_len = 0;
+
+    /*
+     * For a pure PSK key exchange, there is no group to agree upon. The purpose
+     * of the HRR is then to transmit a cookie to force the client to demonstrate
+     * reachability at their apparent network address (primarily useful for DTLS).
+     */
+    if( ! mbedtls_ssl_tls13_some_ephemeral_enabled( ssl ) )
+        return( 0 );
+
+    /* We should only send the key_share extension if the client's initial
+     * key share was not acceptable. */
+    if( ssl->handshake->offered_group_id != 0 )
+    {
+        MBEDTLS_SSL_DEBUG_MSG( 4, ( "Skip key_share extension in HRR" ) );
+        return( 0 );
+    }
+
+    if( selected_group == 0 )
+    {
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "no matching named group found" ) );
+        return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+    }
+
+    /* Check if we have enough space:
+     * - extension_type         (2 bytes)
+     * - extension_data_length  (2 bytes)
+     * - selected_group         (2 bytes)
+     */
+    MBEDTLS_SSL_CHK_BUF_READ_PTR( buf, end, 6 );
+
+    MBEDTLS_PUT_UINT16_BE( MBEDTLS_TLS_EXT_KEY_SHARE, buf, 0 );
+    MBEDTLS_PUT_UINT16_BE( 2, buf, 2 );
+    MBEDTLS_PUT_UINT16_BE( selected_group, buf, 4 );
+
+    MBEDTLS_SSL_DEBUG_MSG( 3,
+        ( "HRR selected_group: %s (%x)",
+            mbedtls_ssl_named_group_to_str( selected_group ),
+            selected_group ) );
+
+    *out_len = 6;
+
+    return( 0 );
+}
 
 /*
  * Structure of ServerHello message:
@@ -913,12 +1008,13 @@
 static int ssl_tls13_write_server_hello_body( mbedtls_ssl_context *ssl,
                                               unsigned char *buf,
                                               unsigned char *end,
-                                              size_t *out_len )
+                                              size_t *out_len,
+                                              int is_hrr )
 {
     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 */
+    size_t output_len;
 
     *out_len = 0;
 
@@ -939,8 +1035,16 @@
      * 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 );
+    if( is_hrr )
+    {
+        memcpy( p, mbedtls_ssl_tls13_hello_retry_request_magic,
+                MBEDTLS_SERVER_HELLO_RANDOM_LEN );
+    }
+    else
+    {
+        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;
@@ -1006,7 +1110,10 @@
 
     if( mbedtls_ssl_conf_tls13_some_ephemeral_enabled( ssl ) )
     {
-        ret = ssl_tls13_write_key_share_ext( ssl, p, end, &output_len );
+        if( is_hrr )
+            ret = ssl_tls13_write_hrr_key_share_ext( ssl, p, end, &output_len );
+        else
+            ret = ssl_tls13_write_key_share_ext( ssl, p, end, &output_len );
         if( ret != 0 )
             return( ret );
         p += output_len;
@@ -1024,6 +1131,26 @@
     return( ret );
 }
 
+static int ssl_tls13_finalize_write_server_hello( mbedtls_ssl_context *ssl )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+    ret = mbedtls_ssl_tls13_compute_handshake_transform( ssl );
+    if( ret != 0 )
+    {
+        MBEDTLS_SSL_DEBUG_RET( 1,
+                               "mbedtls_ssl_tls13_compute_handshake_transform",
+                               ret );
+        return( ret );
+    }
+
+    mbedtls_ssl_set_outbound_transform( ssl,
+                                        ssl->handshake->transform_handshake );
+    MBEDTLS_SSL_DEBUG_MSG(
+        3, ( "switching to handshake transform for outbound data" ) );
+
+    return( ret );
+}
+
 static int ssl_tls13_write_server_hello( mbedtls_ssl_context *ssl )
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
@@ -1039,7 +1166,8 @@
 
     MBEDTLS_SSL_PROC_CHK( ssl_tls13_write_server_hello_body( ssl, buf,
                                                              buf + buf_len,
-                                                             &msg_len ) );
+                                                             &msg_len,
+                                                             0 ) );
 
     mbedtls_ssl_add_hs_msg_to_checksum(
         ssl, MBEDTLS_SSL_HS_SERVER_HELLO, buf, msg_len );
@@ -1047,7 +1175,10 @@
     MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_finish_handshake_msg(
                               ssl, buf_len, msg_len ) );
 
+    MBEDTLS_SSL_PROC_CHK( ssl_tls13_finalize_write_server_hello( ssl ) );
+
     mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_ENCRYPTED_EXTENSIONS );
+
 cleanup:
 
     MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write server hello" ) );
@@ -1055,6 +1186,264 @@
 }
 
 /*
+ * Handler for MBEDTLS_SSL_ENCRYPTED_EXTENSIONS
+ */
+
+/*
+ * struct {
+ *    Extension extensions<0..2 ^ 16 - 1>;
+ * } EncryptedExtensions;
+ *
+ */
+static int ssl_tls13_write_encrypted_extensions_body( mbedtls_ssl_context *ssl,
+                                                      unsigned char *buf,
+                                                      unsigned char *end,
+                                                      size_t *out_len )
+{
+    unsigned char *p = buf;
+    size_t extensions_len = 0;
+    unsigned char *p_extensions_len;
+
+    *out_len = 0;
+
+    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
+    p_extensions_len = p;
+    p += 2;
+
+    ((void) ssl);
+
+    extensions_len = ( p - p_extensions_len ) - 2;
+    MBEDTLS_PUT_UINT16_BE( extensions_len, p_extensions_len, 0 );
+
+    *out_len = p - buf;
+
+    MBEDTLS_SSL_DEBUG_BUF( 4, "encrypted extensions", buf, *out_len );
+
+    return( 0 );
+}
+
+static int ssl_tls13_write_encrypted_extensions( 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 encrypted extensions" ) );
+
+    MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_start_handshake_msg( ssl,
+                       MBEDTLS_SSL_HS_ENCRYPTED_EXTENSIONS, &buf, &buf_len ) );
+
+    MBEDTLS_SSL_PROC_CHK( ssl_tls13_write_encrypted_extensions_body(
+                              ssl, buf, buf + buf_len, &msg_len ) );
+
+    mbedtls_ssl_add_hs_msg_to_checksum(
+        ssl, MBEDTLS_SSL_HS_ENCRYPTED_EXTENSIONS, buf, msg_len );
+
+    MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_finish_handshake_msg(
+                              ssl, buf_len, msg_len ) );
+
+#if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
+    if( mbedtls_ssl_tls13_some_psk_enabled( ssl ) )
+        mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_SERVER_FINISHED );
+    else
+        mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_CERTIFICATE_REQUEST );
+#else
+    mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_SERVER_FINISHED );
+#endif
+
+cleanup:
+
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write encrypted extensions" ) );
+    return( ret );
+}
+
+#if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
+#define SSL_CERTIFICATE_REQUEST_SEND_REQUEST 0
+#define SSL_CERTIFICATE_REQUEST_SKIP         1
+/* Coordination:
+ * Check whether a CertificateRequest message should be written.
+ * Returns a negative code on failure, or
+ * - SSL_CERTIFICATE_REQUEST_SEND_REQUEST
+ * - SSL_CERTIFICATE_REQUEST_SKIP
+ * indicating if the writing of the CertificateRequest
+ * should be skipped or not.
+ */
+static int ssl_tls13_certificate_request_coordinate( mbedtls_ssl_context *ssl )
+{
+    int authmode;
+
+    authmode = ssl->conf->authmode;
+
+    if( authmode == MBEDTLS_SSL_VERIFY_NONE )
+        return( SSL_CERTIFICATE_REQUEST_SKIP );
+
+    return( SSL_CERTIFICATE_REQUEST_SEND_REQUEST );
+}
+
+/*
+ * struct {
+ *   opaque certificate_request_context<0..2^8-1>;
+ *   Extension extensions<2..2^16-1>;
+ * } CertificateRequest;
+ *
+ */
+static int ssl_tls13_write_certificate_request_body( mbedtls_ssl_context *ssl,
+                                                     unsigned char *buf,
+                                                     const unsigned char *end,
+                                                     size_t *out_len )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+    unsigned char *p = buf;
+    size_t output_len = 0;
+    unsigned char *p_extensions_len;
+
+    *out_len = 0;
+
+    /* Check if we have enough space:
+     * - certificate_request_context (1 byte)
+     * - extensions length           (2 bytes)
+     */
+    MBEDTLS_SSL_CHK_BUF_PTR( p, end, 3 );
+
+    /*
+     * Write certificate_request_context
+     */
+    /*
+     * We use a zero length context for the normal handshake
+     * messages. For post-authentication handshake messages
+     * this request context would be set to a non-zero value.
+     */
+    *p++ = 0x0;
+
+    /*
+     * Write extensions
+     */
+    /* The extensions must contain the signature_algorithms. */
+    p_extensions_len = p;
+    p += 2;
+    ret = mbedtls_ssl_write_sig_alg_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 );
+
+    *out_len = p - buf;
+
+    return( 0 );
+}
+
+static int ssl_tls13_write_certificate_request( mbedtls_ssl_context *ssl )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write certificate request" ) );
+
+    MBEDTLS_SSL_PROC_CHK_NEG( ssl_tls13_certificate_request_coordinate( ssl ) );
+
+    if( ret == SSL_CERTIFICATE_REQUEST_SEND_REQUEST )
+    {
+        unsigned char *buf;
+        size_t buf_len, msg_len;
+
+        MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_start_handshake_msg( ssl,
+                MBEDTLS_SSL_HS_CERTIFICATE_REQUEST, &buf, &buf_len ) );
+
+        MBEDTLS_SSL_PROC_CHK( ssl_tls13_write_certificate_request_body(
+                                  ssl, buf, buf + buf_len, &msg_len ) );
+
+        mbedtls_ssl_add_hs_msg_to_checksum(
+            ssl, MBEDTLS_SSL_HS_CERTIFICATE_REQUEST, buf, msg_len );
+
+        MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_finish_handshake_msg(
+                                  ssl, buf_len, msg_len ) );
+    }
+    else if( ret == SSL_CERTIFICATE_REQUEST_SKIP )
+    {
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate request" ) );
+        ret = 0;
+    }
+    else
+    {
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+        ret = MBEDTLS_ERR_SSL_INTERNAL_ERROR;
+        goto cleanup;
+    }
+
+    mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_SERVER_CERTIFICATE );
+cleanup:
+
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write certificate request" ) );
+    return( ret );
+}
+#endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
+
+/*
+ * Handler for MBEDTLS_SSL_HELLO_RETRY_REQUEST
+ */
+
+static int ssl_tls13_write_hello_retry_request_coordinate(
+                                                    mbedtls_ssl_context *ssl )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+    if( ssl->handshake->hello_retry_request_count > 0 )
+    {
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "Too many HRRs" ) );
+        MBEDTLS_SSL_PEND_FATAL_ALERT( MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE,
+                                      MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+        return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
+    }
+
+    /*
+     * Create stateless transcript hash for HRR
+     */
+    MBEDTLS_SSL_DEBUG_MSG( 4, ( "Reset transcript for HRR" ) );
+    ret = mbedtls_ssl_reset_transcript_for_hrr( ssl );
+    if( ret != 0 )
+    {
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_reset_transcript_for_hrr", ret );
+        return( ret );
+    }
+    mbedtls_ssl_session_reset_msg_layer( ssl, 0 );
+
+    return( 0 );
+}
+
+static int ssl_tls13_write_hello_retry_request( 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 hello retry request" ) );
+
+    MBEDTLS_SSL_PROC_CHK( ssl_tls13_write_hello_retry_request_coordinate( 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,
+                                                             1 ) );
+    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 ) );
+
+    ssl->handshake->hello_retry_request_count++;
+
+    mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_CLIENT_HELLO );
+
+cleanup:
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write hello retry request" ) );
+    return( ret );
+}
+
+/*
  * TLS 1.3 State Machine -- server side
  */
 int mbedtls_ssl_tls13_handshake_server_step( mbedtls_ssl_context *ssl )
@@ -1073,22 +1462,43 @@
         /* start state */
         case MBEDTLS_SSL_HELLO_REQUEST:
             mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_CLIENT_HELLO );
-
             ret = 0;
             break;
 
         case MBEDTLS_SSL_CLIENT_HELLO:
-
             ret = ssl_tls13_process_client_hello( ssl );
             if( ret != 0 )
                 MBEDTLS_SSL_DEBUG_RET( 1, "ssl_tls13_process_client_hello", ret );
+            break;
 
+        case MBEDTLS_SSL_HELLO_RETRY_REQUEST:
+            ret = ssl_tls13_write_hello_retry_request( ssl );
+            if( ret != 0 )
+            {
+                MBEDTLS_SSL_DEBUG_RET( 1, "ssl_tls13_write_hello_retry_request", ret );
+                return( ret );
+            }
             break;
 
         case MBEDTLS_SSL_SERVER_HELLO:
             ret = ssl_tls13_write_server_hello( ssl );
             break;
 
+        case MBEDTLS_SSL_ENCRYPTED_EXTENSIONS:
+            ret = ssl_tls13_write_encrypted_extensions( ssl );
+            if( ret != 0 )
+            {
+                MBEDTLS_SSL_DEBUG_RET( 1, "ssl_tls13_write_encrypted_extensions", ret );
+                return( ret );
+            }
+            break;
+
+#if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
+        case MBEDTLS_SSL_CERTIFICATE_REQUEST:
+            ret = ssl_tls13_write_certificate_request( ssl );
+            break;
+#endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
+
         default:
             MBEDTLS_SSL_DEBUG_MSG( 1, ( "invalid state %d", ssl->state ) );
             return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index f741d99..2cfdde6 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -115,6 +115,7 @@
 #define DFL_USE_SRTP            0
 #define DFL_SRTP_FORCE_PROFILE  0
 #define DFL_SRTP_MKI            ""
+#define DFL_KEY_OPAQUE_ALG      "none"
 
 #define GET_REQUEST "GET %s HTTP/1.0\r\nExtra-header: "
 #define GET_REQUEST_END "\r\n\r\n"
@@ -343,6 +344,13 @@
 #define USAGE_SERIALIZATION ""
 #endif
 
+#define USAGE_KEY_OPAQUE_ALGS \
+    "    key_opaque_algs=%%s  Allowed opaque key algorithms.\n"                      \
+    "                        comma-separated pair of values among the following:\n"   \
+    "                        rsa-sign-pkcs1, rsa-sign-pss, rsa-decrypt,\n"           \
+    "                        ecdsa-sign, ecdh, none (only acceptable for\n"          \
+    "                        the second value).\n"                                   \
+
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
 #define USAGE_TLS1_3_KEY_EXCHANGE_MODES \
     "    tls13_kex_modes=%%s   default: all\n"     \
@@ -411,6 +419,7 @@
     USAGE_CURVES                                            \
     USAGE_SIG_ALGS                                          \
     USAGE_DHMLEN                                            \
+    USAGE_KEY_OPAQUE_ALGS                                   \
     "\n"
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
@@ -523,6 +532,8 @@
     int use_srtp;               /* Support SRTP                             */
     int force_srtp_profile;     /* SRTP protection profile to use or all    */
     const char *mki;            /* The dtls mki value to use                */
+    const char *key_opaque_alg1; /* Allowed opaque key alg 1                */
+    const char *key_opaque_alg2; /* Allowed Opaque key alg 2                */
 } opt;
 
 #include "ssl_test_common_source.c"
@@ -885,6 +896,8 @@
     opt.use_srtp            = DFL_USE_SRTP;
     opt.force_srtp_profile  = DFL_SRTP_FORCE_PROFILE;
     opt.mki                 = DFL_SRTP_MKI;
+    opt.key_opaque_alg1     = DFL_KEY_OPAQUE_ALG;
+    opt.key_opaque_alg2     = DFL_KEY_OPAQUE_ALG;
 
     for( i = 1; i < argc; i++ )
     {
@@ -1308,6 +1321,12 @@
         {
             opt.mki = q;
         }
+        else if( strcmp( p, "key_opaque_algs" ) == 0 )
+        {
+            if( key_opaque_alg_parse( q, &opt.key_opaque_alg1,
+                                         &opt.key_opaque_alg2 ) != 0 )
+                goto usage;
+        }
         else
             goto usage;
     }
@@ -1698,26 +1717,24 @@
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     if( opt.key_opaque != 0 )
     {
-        psa_algorithm_t psa_alg, psa_alg2;
+        psa_algorithm_t psa_alg, psa_alg2 = PSA_ALG_NONE;
+        psa_key_usage_t usage = 0;
 
-        if( mbedtls_pk_get_type( &pkey ) == MBEDTLS_PK_ECKEY )
+        if( key_opaque_set_alg_usage( opt.key_opaque_alg1,
+                                      opt.key_opaque_alg2,
+                                      &psa_alg, &psa_alg2,
+                                      &usage,
+                                      mbedtls_pk_get_type( &pkey ) ) == 0 )
         {
-            psa_alg = PSA_ALG_ECDSA( PSA_ALG_ANY_HASH );
-            psa_alg2 = PSA_ALG_NONE;
-        }
-        else
-        {
-            psa_alg = PSA_ALG_RSA_PKCS1V15_SIGN( PSA_ALG_ANY_HASH );
-            psa_alg2 = PSA_ALG_RSA_PSS( PSA_ALG_ANY_HASH );
-        }
-
-        if( ( ret = mbedtls_pk_wrap_as_opaque( &pkey, &key_slot, psa_alg,
-                                               PSA_KEY_USAGE_SIGN_HASH,
-                                               psa_alg2 ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  "
-                            "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n", (unsigned int)  -ret );
-            goto exit;
+            ret = mbedtls_pk_wrap_as_opaque( &pkey, &key_slot, psa_alg,
+                                             usage, psa_alg2 );
+            if( ret != 0 )
+            {
+                mbedtls_printf( " failed\n  !  "
+                                "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n",
+                                (unsigned int)  -ret );
+                goto exit;
+            }
         }
     }
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index d728b95..0047cab 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -151,6 +151,7 @@
 #define DFL_USE_SRTP            0
 #define DFL_SRTP_FORCE_PROFILE  0
 #define DFL_SRTP_SUPPORT_MKI    0
+#define DFL_KEY_OPAQUE_ALG      "none"
 
 #define LONG_RESPONSE "<p>01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
     "02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
@@ -455,6 +456,17 @@
 #define USAGE_SERIALIZATION ""
 #endif
 
+#define USAGE_KEY_OPAQUE_ALGS \
+    "    key_opaque_algs=%%s  Allowed opaque key 1 algorithms.\n"                    \
+    "                        comma-separated pair of values among the following:\n"  \
+    "                        rsa-sign-pkcs1, rsa-sign-pss, rsa-decrypt,\n"           \
+    "                        ecdsa-sign, ecdh, none (only acceptable for\n"          \
+    "                        the second value).\n"                                   \
+    "    key_opaque_algs2=%%s Allowed opaque key 2 algorithms.\n"                    \
+    "                        comma-separated pair of values among the following:\n"  \
+    "                        rsa-sign-pkcs1, rsa-sign-pss, rsa-decrypt,\n"           \
+    "                        ecdsa-sign, ecdh, none (only acceptable for\n"          \
+    "                        the second value).\n"
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
 #define USAGE_TLS1_3_KEY_EXCHANGE_MODES \
     "    tls13_kex_modes=%%s   default: all\n"     \
@@ -519,6 +531,7 @@
     USAGE_ETM                                               \
     USAGE_CURVES                                            \
     USAGE_SIG_ALGS                                          \
+    USAGE_KEY_OPAQUE_ALGS                                   \
     "\n"
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
@@ -659,6 +672,10 @@
     int use_srtp;               /* Support SRTP                             */
     int force_srtp_profile;     /* SRTP protection profile to use or all    */
     int support_mki;            /* The dtls mki mki support                 */
+    const char *key1_opaque_alg1; /* Allowed opaque key 1 alg 1            */
+    const char *key1_opaque_alg2; /* Allowed Opaque key 1 alg 2            */
+    const char *key2_opaque_alg1; /* Allowed opaque key 2 alg 1            */
+    const char *key2_opaque_alg2; /* Allowed Opaque key 2 alg 2            */
 } opt;
 
 #include "ssl_test_common_source.c"
@@ -679,7 +696,7 @@
 }
 
 /*
- * Used by sni_parse and psk_parse to handle coma-separated lists
+ * Used by sni_parse and psk_parse to handle comma-separated lists
  */
 #define GET_ITEM( dst )         \
     do                          \
@@ -1615,6 +1632,10 @@
     opt.use_srtp            = DFL_USE_SRTP;
     opt.force_srtp_profile  = DFL_SRTP_FORCE_PROFILE;
     opt.support_mki         = DFL_SRTP_SUPPORT_MKI;
+    opt.key1_opaque_alg1   = DFL_KEY_OPAQUE_ALG;
+    opt.key1_opaque_alg2   = DFL_KEY_OPAQUE_ALG;
+    opt.key2_opaque_alg1   = DFL_KEY_OPAQUE_ALG;
+    opt.key2_opaque_alg2   = DFL_KEY_OPAQUE_ALG;
 
     for( i = 1; i < argc; i++ )
     {
@@ -2088,6 +2109,18 @@
         {
             opt.support_mki = atoi( q );
         }
+        else if( strcmp( p, "key_opaque_algs" ) == 0 )
+        {
+            if( key_opaque_alg_parse( q, &opt.key1_opaque_alg1,
+                                         &opt.key1_opaque_alg2 ) != 0 )
+                goto usage;
+        }
+        else if( strcmp( p, "key_opaque_algs2" ) == 0 )
+        {
+            if( key_opaque_alg_parse( q, &opt.key2_opaque_alg1,
+                                         &opt.key2_opaque_alg2 ) != 0 )
+                goto usage;
+        }
         else
             goto usage;
     }
@@ -2564,59 +2597,44 @@
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     if( opt.key_opaque != 0 )
     {
-        psa_algorithm_t psa_alg, psa_alg2;
-        psa_key_usage_t psa_usage;
+        psa_algorithm_t psa_alg, psa_alg2 = PSA_ALG_NONE;
+        psa_key_usage_t psa_usage = 0;
 
-        if ( mbedtls_pk_get_type( &pkey ) == MBEDTLS_PK_ECKEY ||
-             mbedtls_pk_get_type( &pkey ) == MBEDTLS_PK_RSA )
+        if( key_opaque_set_alg_usage( opt.key1_opaque_alg1,
+                                      opt.key1_opaque_alg2,
+                                      &psa_alg, &psa_alg2,
+                                      &psa_usage,
+                                      mbedtls_pk_get_type( &pkey ) ) == 0 )
         {
-            if( mbedtls_pk_get_type( &pkey ) == MBEDTLS_PK_ECKEY )
-            {
-                psa_alg = PSA_ALG_ECDSA( PSA_ALG_ANY_HASH );
-                psa_alg2 = PSA_ALG_ECDH;
-                psa_usage = PSA_KEY_USAGE_SIGN_HASH | PSA_KEY_USAGE_DERIVE;
-            }
-            else
-            {
-                psa_alg = PSA_ALG_RSA_PKCS1V15_SIGN( PSA_ALG_ANY_HASH );
-                psa_alg2 = PSA_ALG_NONE;
-                psa_usage = PSA_KEY_USAGE_SIGN_HASH;
-            }
+            ret = mbedtls_pk_wrap_as_opaque( &pkey, &key_slot,
+                                             psa_alg, psa_usage, psa_alg2 );
 
-            if( ( ret = mbedtls_pk_wrap_as_opaque( &pkey, &key_slot,
-                                                   psa_alg,
-                                                   psa_usage,
-                                                   psa_alg2 ) ) != 0 )
+            if( ret != 0 )
             {
                 mbedtls_printf( " failed\n  !  "
-                                "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n", (unsigned int)  -ret );
+                                "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n",
+                                (unsigned int)  -ret );
                 goto exit;
             }
         }
 
-        if ( mbedtls_pk_get_type( &pkey2 ) == MBEDTLS_PK_ECKEY ||
-             mbedtls_pk_get_type( &pkey2 ) == MBEDTLS_PK_RSA )
-        {
-            if( mbedtls_pk_get_type( &pkey2 ) == MBEDTLS_PK_ECKEY )
-            {
-                psa_alg = PSA_ALG_ECDSA( PSA_ALG_ANY_HASH );
-                psa_alg2 = PSA_ALG_ECDH;
-                psa_usage = PSA_KEY_USAGE_SIGN_HASH | PSA_KEY_USAGE_DERIVE;
-            }
-            else
-            {
-                psa_alg = PSA_ALG_RSA_PKCS1V15_SIGN( PSA_ALG_ANY_HASH );
-                psa_alg2 = PSA_ALG_NONE;
-                psa_usage = PSA_KEY_USAGE_SIGN_HASH;
-            }
+        psa_alg = PSA_ALG_NONE; psa_alg2 = PSA_ALG_NONE;
+        psa_usage = 0;
 
-            if( ( ret = mbedtls_pk_wrap_as_opaque( &pkey2, &key_slot2,
-                                                   psa_alg,
-                                                   psa_usage,
-                                                   psa_alg2 ) ) != 0 )
+        if( key_opaque_set_alg_usage( opt.key2_opaque_alg1,
+                                      opt.key2_opaque_alg2,
+                                      &psa_alg, &psa_alg2,
+                                      &psa_usage,
+                                      mbedtls_pk_get_type( &pkey2 ) ) == 0 )
+        {
+            ret = mbedtls_pk_wrap_as_opaque( &pkey2, &key_slot2,
+                                             psa_alg, psa_usage, psa_alg2 );
+
+            if( ret != 0 )
             {
                 mbedtls_printf( " failed\n  !  "
-                                "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n", (unsigned int)  -ret );
+                                "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n",
+                                (unsigned int)  -ret );
                 goto exit;
             }
         }
diff --git a/programs/ssl/ssl_test_lib.c b/programs/ssl/ssl_test_lib.c
index a28a477..a7f3d0e 100644
--- a/programs/ssl/ssl_test_lib.c
+++ b/programs/ssl/ssl_test_lib.c
@@ -193,6 +193,103 @@
 #endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 }
 
+int key_opaque_alg_parse( const char *arg, const char **alg1, const char **alg2 )
+{
+    char* separator;
+    if( ( separator = strchr( arg, ',' ) ) == NULL )
+        return 1;
+    *separator = '\0';
+
+    *alg1 = arg;
+    *alg2 = separator + 1;
+
+    if( strcmp( *alg1, "rsa-sign-pkcs1" ) != 0 &&
+        strcmp( *alg1, "rsa-sign-pss" ) != 0 &&
+        strcmp( *alg1, "rsa-decrypt" ) != 0 &&
+        strcmp( *alg1, "ecdsa-sign" ) != 0 &&
+        strcmp( *alg1, "ecdh" ) != 0 )
+        return 1;
+
+    if( strcmp( *alg2, "rsa-sign-pkcs1" ) != 0 &&
+        strcmp( *alg2, "rsa-sign-pss" ) != 0 &&
+        strcmp( *alg2, "rsa-decrypt" ) != 0 &&
+        strcmp( *alg2, "ecdsa-sign" ) != 0 &&
+        strcmp( *alg2, "ecdh" ) != 0 &&
+        strcmp( *alg2, "none" ) != 0 )
+        return 1;
+
+    return 0;
+}
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+int key_opaque_set_alg_usage( const char *alg1, const char *alg2,
+                              psa_algorithm_t *psa_alg1,
+                              psa_algorithm_t *psa_alg2,
+                              psa_key_usage_t *usage,
+                              mbedtls_pk_type_t key_type )
+{
+    if( strcmp( alg1, "none" ) != 0 )
+    {
+        const char * algs[] = { alg1, alg2 };
+        psa_algorithm_t *psa_algs[] = { psa_alg1, psa_alg2 };
+
+        for ( int i = 0; i < 2; i++ )
+        {
+            if( strcmp( algs[i], "rsa-sign-pkcs1" ) == 0 )
+            {
+                *psa_algs[i] = PSA_ALG_RSA_PKCS1V15_SIGN( PSA_ALG_ANY_HASH );
+                *usage |= PSA_KEY_USAGE_SIGN_HASH;
+            }
+            else if( strcmp( algs[i], "rsa-sign-pss" ) == 0 )
+            {
+                *psa_algs[i] = PSA_ALG_RSA_PSS( PSA_ALG_ANY_HASH );
+                *usage |= PSA_KEY_USAGE_SIGN_HASH;
+            }
+            else if( strcmp( algs[i], "rsa-decrypt" ) == 0 )
+            {
+                *psa_algs[i] = PSA_ALG_RSA_PKCS1V15_CRYPT;
+                *usage |= PSA_KEY_USAGE_DECRYPT;
+            }
+            else if( strcmp( algs[i], "ecdsa-sign" ) == 0 )
+            {
+                *psa_algs[i] = PSA_ALG_ECDSA( PSA_ALG_ANY_HASH );
+                *usage |= PSA_KEY_USAGE_SIGN_HASH;
+            }
+            else if( strcmp( algs[i], "ecdh" ) == 0 )
+            {
+                *psa_algs[i] = PSA_ALG_ECDH;
+                *usage |= PSA_KEY_USAGE_DERIVE;
+            }
+            else if( strcmp( algs[i], "none" ) == 0 )
+            {
+                *psa_algs[i] = PSA_ALG_NONE;
+            }
+        }
+    }
+    else
+    {
+        if( key_type == MBEDTLS_PK_ECKEY )
+        {
+            *psa_alg1 = PSA_ALG_ECDSA( PSA_ALG_ANY_HASH );
+            *psa_alg2 = PSA_ALG_ECDH;
+            *usage = PSA_KEY_USAGE_SIGN_HASH | PSA_KEY_USAGE_DERIVE;
+        }
+        else if( key_type == MBEDTLS_PK_RSA )
+        {
+            *psa_alg1 = PSA_ALG_RSA_PKCS1V15_SIGN( PSA_ALG_ANY_HASH );
+            *psa_alg2 = PSA_ALG_RSA_PSS( PSA_ALG_ANY_HASH );
+            *usage = PSA_KEY_USAGE_SIGN_HASH;
+        }
+        else
+        {
+            return 1;
+        }
+    }
+
+    return 0;
+}
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
 int ca_callback( void *data, mbedtls_x509_crt const *child,
                  mbedtls_x509_crt **candidates )
diff --git a/programs/ssl/ssl_test_lib.h b/programs/ssl/ssl_test_lib.h
index a359b3f..f0d0c3b 100644
--- a/programs/ssl/ssl_test_lib.h
+++ b/programs/ssl/ssl_test_lib.h
@@ -221,6 +221,48 @@
  */
 int rng_get( void *p_rng, unsigned char *output, size_t output_len );
 
+/** Parse command-line option: key_opaque_algs
+ *
+ *
+ * \param arg           String value of key_opaque_algs
+ *                      Coma-separated pair of values among the following:
+ *                      - "rsa-sign-pkcs1"
+ *                      - "rsa-sign-pss"
+ *                      - "rsa-decrypt"
+ *                      - "ecdsa-sign"
+ *                      - "ecdh"
+ *                      - "none" (only acceptable for the second value).
+ * \param alg1          Address of pointer to alg #1
+ * \param alg2          Address of pointer to alg #2
+ *
+ * \return              \c 0 on success.
+ * \return              \c 1 on parse failure.
+ */
+int key_opaque_alg_parse( const char *arg, const char **alg1, const char **alg2 );
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+/** Parse given opaque key algoritms to obtain psa algs and usage
+ *  that will be passed to mbedtls_pk_wrap_as_opaque().
+ *
+ *
+ * \param alg1          input string opaque key algorithm #1
+ * \param alg2          input string opaque key algorithm #2
+ * \param psa_alg1      output PSA algorithm #1
+ * \param psa_alg2      output PSA algorithm #2
+ * \param usage         output key usage
+ * \param key_type      key type used to set default psa algorithm/usage
+ *                      when alg1 in "none"
+ *
+ * \return              \c 0 on success.
+ * \return              \c 1 on parse failure.
+ */
+int key_opaque_set_alg_usage( const char *alg1, const char *alg2,
+                              psa_algorithm_t *psa_alg1,
+                              psa_algorithm_t *psa_alg2,
+                              psa_key_usage_t *usage,
+                              mbedtls_pk_type_t key_type );
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
 #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
 /* The test implementation of the PSA external RNG is insecure. When
  * MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is enabled, before using any PSA crypto
diff --git a/scripts/generate_ssl_debug_helpers.py b/scripts/generate_ssl_debug_helpers.py
index 42e4fc8..4be6fd6 100755
--- a/scripts/generate_ssl_debug_helpers.py
+++ b/scripts/generate_ssl_debug_helpers.py
@@ -234,6 +234,7 @@
                            prototype=self._prototype)
         return body
 
+
 class SignatureAlgorithmDefinition:
     """
         Generate helper functions for signature algorithms.
@@ -267,6 +268,7 @@
 
     def span(self):
         return self._definitions[0].span()
+
     def __str__(self):
         """
             Generate function for translating value to string
@@ -277,7 +279,7 @@
             translation_table.append(
                 '\tcase {}:\n\t    return "{}";'.format(name,
                                                         name[len('MBEDTLS_TLS1_3_SIG_'):].lower())
-                )
+            )
 
         body = textwrap.dedent('''\
             const char *mbedtls_ssl_sig_alg_to_str( uint16_t in )
@@ -292,6 +294,65 @@
         body = body.format(translation_table='\n'.join(translation_table))
         return body
 
+
+class NamedGroupDefinition:
+    """
+        Generate helper functions for named group
+
+        It generates translation function from named group define to string.
+        Named group definition looks like:
+        #define MBEDTLS_SSL_IANA_TLS_GROUP_[ upper case named group ] [ value(hex) ]
+
+        Known limitation:
+        - the definitions SHOULD exist in same macro blocks.
+    """
+
+    @classmethod
+    def extract(cls, source_code, start=0, end=-1):
+        named_group_pattern = re.compile(r'#define\s+(?P<name>MBEDTLS_SSL_IANA_TLS_GROUP_\w+)\s+' +
+                                         r'(?P<value>0[xX][0-9a-fA-F]+)$',
+                                         re.MULTILINE | re.DOTALL)
+        matches = list(named_group_pattern.finditer(source_code, start, end))
+        if matches:
+            yield NamedGroupDefinition(source_code, definitions=matches)
+
+    def __init__(self, source_code, definitions=None):
+        if definitions is None:
+            definitions = []
+        assert isinstance(definitions, list) and definitions
+        self._definitions = definitions
+        self._source = source_code
+
+    def __repr__(self):
+        return 'NamedGroup({})'.format(self._definitions[0].span())
+
+    def span(self):
+        return self._definitions[0].span()
+
+    def __str__(self):
+        """
+            Generate function for translating value to string
+        """
+        translation_table = []
+        for m in self._definitions:
+            name = m.groupdict()['name']
+            iana_name = name[len('MBEDTLS_SSL_IANA_TLS_GROUP_'):].lower()
+            translation_table.append('\tcase {}:\n\t    return "{}";'.format(name, iana_name))
+
+        body = textwrap.dedent('''\
+            const char *mbedtls_ssl_named_group_to_str( uint16_t in )
+            {{
+                switch( in )
+                {{
+            {translation_table}
+                }};
+
+                return "UNKOWN";
+            }}''')
+        body = body.format(translation_table='\n'.join(translation_table))
+        return body
+
+
 OUTPUT_C_TEMPLATE = '''\
 /* Automatically generated by generate_ssl_debug_helpers.py. DO NOT EDIT. */
 
@@ -335,14 +396,16 @@
     """
         Generate functions of debug helps
     """
-    mbedtls_root = os.path.abspath(mbedtls_root or build_tree.guess_mbedtls_root())
+    mbedtls_root = os.path.abspath(
+        mbedtls_root or build_tree.guess_mbedtls_root())
     with open(os.path.join(mbedtls_root, 'include/mbedtls/ssl.h')) as f:
         source_code = remove_c_comments(f.read())
 
     definitions = dict()
     for start, instance in preprocess_c_source_code(source_code,
                                                     EnumDefinition,
-                                                    SignatureAlgorithmDefinition):
+                                                    SignatureAlgorithmDefinition,
+                                                    NamedGroupDefinition):
         if start in definitions:
             continue
         if isinstance(instance, EnumDefinition):
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 1e5cd65..9fa4d28 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -1203,6 +1203,30 @@
     tests/ssl-opt.sh -f 'Default\|opaque'
 }
 
+component_test_crypto_full_no_md () {
+    msg "build: crypto_full minus MD"
+    scripts/config.py crypto_full
+    scripts/config.py unset MBEDTLS_MD_C
+    # Direct dependencies
+    scripts/config.py unset MBEDTLS_ECJPAKE_C
+    scripts/config.py unset MBEDTLS_HKDF_C
+    scripts/config.py unset MBEDTLS_HMAC_DRBG_C
+    scripts/config.py unset MBEDTLS_PK_C
+    scripts/config.py unset MBEDTLS_PKCS1_V15
+    scripts/config.py unset MBEDTLS_PKCS1_V21
+    scripts/config.py unset MBEDTLS_PKCS5_C
+    scripts/config.py unset MBEDTLS_PKCS12_C
+    # Indirect dependencies
+    scripts/config.py unset MBEDTLS_ECDSA_DETERMINISTIC
+    scripts/config.py unset MBEDTLS_PK_PARSE_C
+    scripts/config.py unset MBEDTLS_PK_WRITE_C
+    scripts/config.py unset MBEDTLS_RSA_C
+    make
+
+    msg "test: crypto_full minus MD"
+    make test
+}
+
 component_test_psa_external_rng_use_psa_crypto () {
     msg "build: full + PSA_CRYPTO_EXTERNAL_RNG + USE_PSA_CRYPTO minus CTR_DRBG"
     scripts/config.py full
diff --git a/tests/scripts/generate_psa_tests.py b/tests/scripts/generate_psa_tests.py
index 492810b..ea00290 100755
--- a/tests/scripts/generate_psa_tests.py
+++ b/tests/scripts/generate_psa_tests.py
@@ -165,6 +165,7 @@
     ALWAYS_SUPPORTED = frozenset([
         'PSA_KEY_TYPE_DERIVE',
         'PSA_KEY_TYPE_RAW_DATA',
+        'PSA_KEY_TYPE_HMAC'
     ])
     def test_cases_for_key_type_not_supported(
             self,
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index dcee5df..c9ec7b1 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -6399,8 +6399,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque PSK"\
-            -S "skip PMS generation for opaque PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6414,8 +6412,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque PSK"\
-            -S "skip PMS generation for opaque PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6429,8 +6425,6 @@
             "$P_CLI extended_ms=1 debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque PSK"\
-            -S "skip PMS generation for opaque PSK"\
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6444,8 +6438,6 @@
             "$P_CLI extended_ms=1 debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque PSK"\
-            -S "skip PMS generation for opaque PSK"\
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6459,8 +6451,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-RSA-PSK-WITH-AES-128-CBC-SHA256 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque RSA-PSK"\
-            -S "skip PMS generation for opaque RSA-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6474,8 +6464,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-RSA-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque RSA-PSK"\
-            -S "skip PMS generation for opaque RSA-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6489,8 +6477,6 @@
             "$P_CLI extended_ms=1 debug_level=3 min_version=tls12 force_ciphersuite=TLS-RSA-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque RSA-PSK"\
-            -S "skip PMS generation for opaque RSA-PSK"\
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6504,8 +6490,6 @@
             "$P_CLI extended_ms=1 debug_level=3 min_version=tls12 force_ciphersuite=TLS-RSA-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque RSA-PSK"\
-            -S "skip PMS generation for opaque RSA-PSK"\
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6519,8 +6503,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-128-CBC-SHA256 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque ECDHE-PSK"\
-            -S "skip PMS generation for opaque ECDHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6534,8 +6516,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque ECDHE-PSK"\
-            -S "skip PMS generation for opaque ECDHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6549,8 +6529,6 @@
             "$P_CLI extended_ms=1 debug_level=3 min_version=tls12 force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque ECDHE-PSK"\
-            -S "skip PMS generation for opaque ECDHE-PSK"\
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6564,8 +6542,6 @@
             "$P_CLI extended_ms=1 debug_level=3 min_version=tls12 force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque ECDHE-PSK"\
-            -S "skip PMS generation for opaque ECDHE-PSK"\
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6579,8 +6555,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-DHE-PSK-WITH-AES-128-CBC-SHA256 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque DHE-PSK"\
-            -S "skip PMS generation for opaque DHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6594,8 +6568,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-DHE-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque DHE-PSK"\
-            -S "skip PMS generation for opaque DHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6609,8 +6581,6 @@
             "$P_CLI extended_ms=1 debug_level=3 min_version=tls12 force_ciphersuite=TLS-DHE-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque DHE-PSK"\
-            -S "skip PMS generation for opaque DHE-PSK"\
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6624,8 +6594,6 @@
             "$P_CLI extended_ms=1 debug_level=3 min_version=tls12 force_ciphersuite=TLS-DHE-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123 psk_opaque=1" \
             0 \
-            -c "skip PMS generation for opaque DHE-PSK"\
-            -S "skip PMS generation for opaque DHE-PSK"\
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6639,8 +6607,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=foo psk=abc123" \
             0 \
-            -C "skip PMS generation for opaque PSK"\
-            -s "skip PMS generation for opaque PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6654,8 +6620,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123" \
             0 \
-            -C "skip PMS generation for opaque PSK"\
-            -s "skip PMS generation for opaque PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6672,8 +6636,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque PSK"\
-            -s "skip PMS generation for opaque PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6688,8 +6650,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque PSK"\
-            -s "skip PMS generation for opaque PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6701,8 +6661,6 @@
             "$P_CLI extended_ms=0 debug_level=5 min_version=tls12 force_ciphersuite=TLS-RSA-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=foo psk=abc123" \
             0 \
-            -C "skip PMS generation for opaque RSA-PSK"\
-            -s "skip PMS generation for opaque RSA-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6716,8 +6674,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-RSA-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123" \
             0 \
-            -C "skip PMS generation for opaque RSA-PSK"\
-            -s "skip PMS generation for opaque RSA-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6734,8 +6690,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque RSA-PSK"\
-            -s "skip PMS generation for opaque RSA-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6750,8 +6704,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque RSA-PSK"\
-            -s "skip PMS generation for opaque RSA-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6763,8 +6715,6 @@
             "$P_CLI extended_ms=0 debug_level=5 min_version=tls12 force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=foo psk=abc123" \
             0 \
-            -C "skip PMS generation for opaque ECDHE-PSK"\
-            -s "skip PMS generation for opaque ECDHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6778,8 +6728,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123" \
             0 \
-            -C "skip PMS generation for opaque ECDHE-PSK"\
-            -s "skip PMS generation for opaque ECDHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6796,8 +6744,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque ECDHE-PSK"\
-            -s "skip PMS generation for opaque ECDHE-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6812,8 +6758,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque ECDHE-PSK"\
-            -s "skip PMS generation for opaque ECDHE-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6825,8 +6769,6 @@
             "$P_CLI extended_ms=0 debug_level=5 min_version=tls12 force_ciphersuite=TLS-DHE-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=foo psk=abc123" \
             0 \
-            -C "skip PMS generation for opaque DHE-PSK"\
-            -s "skip PMS generation for opaque DHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6840,8 +6782,6 @@
             "$P_CLI extended_ms=0 debug_level=1 min_version=tls12 force_ciphersuite=TLS-DHE-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=foo psk=abc123" \
             0 \
-            -C "skip PMS generation for opaque DHE-PSK"\
-            -s "skip PMS generation for opaque DHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6858,8 +6798,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque DHE-PSK"\
-            -s "skip PMS generation for opaque DHE-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6874,8 +6812,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque DHE-PSK"\
-            -s "skip PMS generation for opaque DHE-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6887,8 +6823,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque PSK"\
-            -s "skip PMS generation for opaque PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6902,8 +6836,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque PSK"\
-            -s "skip PMS generation for opaque PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6920,8 +6852,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque PSK"\
-            -s "skip PMS generation for opaque PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6936,8 +6866,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque PSK"\
-            -s "skip PMS generation for opaque PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6949,8 +6877,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-RSA-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque RSA-PSK"\
-            -s "skip PMS generation for opaque RSA-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6964,8 +6890,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-RSA-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque RSA-PSK"\
-            -s "skip PMS generation for opaque RSA-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -6982,8 +6906,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque RSA-PSK"\
-            -s "skip PMS generation for opaque RSA-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -6998,8 +6920,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque RSA-PSK"\
-            -s "skip PMS generation for opaque RSA-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -7011,8 +6931,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque ECDHE-PSK"\
-            -s "skip PMS generation for opaque ECDHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -7026,8 +6944,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque ECDHE-PSK"\
-            -s "skip PMS generation for opaque ECDHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -7044,8 +6960,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque ECDHE-PSK"\
-            -s "skip PMS generation for opaque ECDHE-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -7060,8 +6974,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque ECDHE-PSK"\
-            -s "skip PMS generation for opaque ECDHE-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -7073,8 +6985,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-DHE-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque DHE-PSK"\
-            -s "skip PMS generation for opaque DHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -7088,8 +6998,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-DHE-PSK-WITH-AES-256-CBC-SHA384 \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque DHE-PSK"\
-            -s "skip PMS generation for opaque DHE-PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -7106,8 +7014,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque DHE-PSK"\
-            -s "skip PMS generation for opaque DHE-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -7122,8 +7028,6 @@
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
-            -C "skip PMS generation for opaque DHE-PSK"\
-            -s "skip PMS generation for opaque DHE-PSK"\
             -S "SSL - The handshake negotiation failed" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
@@ -7135,8 +7039,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque PSK"\
-            -s "skip PMS generation for opaque PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -7150,8 +7052,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque PSK"\
-            -s "skip PMS generation for opaque PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -7165,7 +7065,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -7179,7 +7078,6 @@
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=def psk=beef" \
             0 \
-            -C "skip PMS generation for opaque PSK"\
             -C "session hash for extended master secret"\
             -S "session hash for extended master secret"\
             -S "SSL - The handshake negotiation failed" \
@@ -11307,6 +11205,25 @@
             -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 "tls13 server state: MBEDTLS_SSL_SERVER_CERTIFICATE" \
+            -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_openssl_tls1_3
+run_test    "TLS 1.3: Server side check - openssl with client authentication" \
+            "$P_SRV debug_level=4 auth_mode=required crt_file=data_files/server5.crt key_file=data_files/server5.key force_version=tls13 tickets=0" \
+            "$O_NEXT_CLI -msg -debug -cert data_files/server5.crt -key data_files/server5.key -tls1_3" \
+            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" \
+            -s "tls13 server state: MBEDTLS_SSL_CERTIFICATE_REQUEST" \
+            -s "tls13 server state: MBEDTLS_SSL_SERVER_CERTIFICATE" \
+            -s "=> write certificate request" \
             -s "SSL - The requested feature is not available" \
             -s "=> parse client hello" \
             -s "<= parse client hello"
@@ -11323,6 +11240,26 @@
             -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 "tls13 server state: MBEDTLS_SSL_SERVER_CERTIFICATE" \
+            -s "SSL - The requested feature is not available" \
+            -s "=> parse client hello" \
+            -s "<= parse client hello"
+
+requires_gnutls_tls1_3
+requires_gnutls_next_no_ticket
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_DEBUG_C
+requires_config_enabled MBEDTLS_SSL_SRV_C
+run_test    "TLS 1.3: Server side check - gnutls with client authentication" \
+            "$P_SRV debug_level=4 auth_mode=required crt_file=data_files/server5.crt key_file=data_files/server5.key force_version=tls13 tickets=0" \
+            "$G_NEXT_CLI localhost -d 4 --x509certfile data_files/server5.crt --x509keyfile data_files/server5.key --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 "tls13 server state: MBEDTLS_SSL_ENCRYPTED_EXTENSIONS" \
+            -s "tls13 server state: MBEDTLS_SSL_CERTIFICATE_REQUEST" \
+            -s "tls13 server state: MBEDTLS_SSL_SERVER_CERTIFICATE" \
+            -s "=> write certificate request" \
             -s "SSL - The requested feature is not available" \
             -s "=> parse client hello" \
             -s "<= parse client hello"
@@ -11338,11 +11275,49 @@
             -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 "tls13 server state: MBEDTLS_SSL_SERVER_CERTIFICATE" \
+            -s "=> write certificate request" \
+            -c "client state: MBEDTLS_SSL_CERTIFICATE_REQUEST" \
             -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 with client authentication" \
+            "$P_SRV debug_level=4 auth_mode=required crt_file=data_files/server5.crt key_file=data_files/server5.key force_version=tls13 tickets=0" \
+            "$P_CLI debug_level=4 crt_file=data_files/server5.crt key_file=data_files/server5.key 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" \
+            -s "tls13 server state: MBEDTLS_SSL_SERVER_CERTIFICATE" \
+            -c "client state: MBEDTLS_SSL_CERTIFICATE_REQUEST" \
+            -s "SSL - The requested feature is not available" \
+            -s "=> parse client hello" \
+            -s "<= parse client hello"
+
+
+requires_config_enabled MBEDTLS_DEBUG_C
+requires_config_enabled MBEDTLS_SSL_CLI_C
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+run_test "TLS 1.3: server: HRR check - mbedtls" \
+         "$P_SRV debug_level=4 force_version=tls13 curves=secp384r1" \
+         "$P_CLI debug_level=4 force_version=tls13 curves=secp256r1,secp384r1" \
+         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" \
+        -s "tls13 server state: MBEDTLS_SSL_HELLO_RETRY_REQUEST" \
+        -c "client state: MBEDTLS_SSL_ENCRYPTED_EXTENSIONS" \
+        -s "selected_group: secp384r1" \
+        -s "SSL - The requested feature is not available" \
+        -s "=> write hello retry request" \
+        -s "<= write hello retry request"
+
 for i in opt-testcases/*.sh
 do
     TEST_SUITE_NAME=${i##*/}
diff --git a/tests/suites/test_suite_asn1write.data b/tests/suites/test_suite_asn1write.data
index 7f5f536..f844d48 100644
--- a/tests/suites/test_suite_asn1write.data
+++ b/tests/suites/test_suite_asn1write.data
@@ -374,10 +374,13 @@
 store_named_data_val_found:4:9
 
 Store named data: new, val_len=0
-store_named_data_val_new:0
+store_named_data_val_new:0:1
+
+Stored named data: new, val_len=0, val=NULL
+store_named_data_val_new:0:0
 
 Store named data: new, val_len=4
-store_named_data_val_new:4
+store_named_data_val_new:4:1
 
 Store named data: new, val_len=4, val=NULL
-store_named_data_val_new:-4
+store_named_data_val_new:4:0
diff --git a/tests/suites/test_suite_asn1write.function b/tests/suites/test_suite_asn1write.function
index 103a024..8d5579d 100644
--- a/tests/suites/test_suite_asn1write.function
+++ b/tests/suites/test_suite_asn1write.function
@@ -431,7 +431,7 @@
 /* END_CASE */
 
 /* BEGIN_CASE */
-void store_named_data_val_new( int new_len )
+void store_named_data_val_new( int new_len, int set_new_val )
 {
     mbedtls_asn1_named_data *head = NULL;
     mbedtls_asn1_named_data *found = NULL;
@@ -439,10 +439,8 @@
     size_t oid_len = strlen( (const char *) oid );
     const unsigned char *new_val = (unsigned char *) "new value";
 
-    if( new_len <= 0 )
+    if( set_new_val == 0 )
         new_val = NULL;
-    if( new_len < 0 )
-        new_len = - new_len;
 
     found = mbedtls_asn1_store_named_data( &head,
                                            (const char *) oid, oid_len,
diff --git a/tests/suites/test_suite_oid.function b/tests/suites/test_suite_oid.function
index 5c56ef4..a255530 100644
--- a/tests/suites/test_suite_oid.function
+++ b/tests/suites/test_suite_oid.function
@@ -82,7 +82,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:MBEDTLS_MD_C */
 void oid_get_md_alg_id( data_t *oid, int exp_md_id )
 {
     mbedtls_asn1_buf md_oid = { 0, 0, NULL };
diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal.function b/tests/suites/test_suite_psa_crypto_se_driver_hal.function
index 79d658f..9f68491 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal.function
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal.function
@@ -170,6 +170,7 @@
 }
 
 /* Null import: do nothing, but pretend it worked. */
+#if defined(AT_LEAST_ONE_BUILTIN_KDF)
 static psa_status_t null_import( psa_drv_se_context_t *context,
                                  psa_key_slot_number_t slot_number,
                                  const psa_key_attributes_t *attributes,
@@ -186,8 +187,10 @@
     *bits = PSA_BYTES_TO_BITS( data_length );
     return( PSA_SUCCESS );
 }
+#endif /* AT_LEAST_ONE_BUILTIN_KDF */
 
 /* Null generate: do nothing, but pretend it worked. */
+#if defined(AT_LEAST_ONE_BUILTIN_KDF)
 static psa_status_t null_generate( psa_drv_se_context_t *context,
                                    psa_key_slot_number_t slot_number,
                                    const psa_key_attributes_t *attributes,
@@ -208,6 +211,7 @@
 
     return( PSA_SUCCESS );
 }
+#endif /* AT_LEAST_ONE_BUILTIN_KDF */
 
 /* Null destroy: do nothing, but pretend it worked. */
 static psa_status_t null_destroy( psa_drv_se_context_t *context,
@@ -635,6 +639,7 @@
 /* Check that a function's return status is "smoke-free", i.e. that
  * it's an acceptable error code when calling an API function that operates
  * on a key with potentially bogus parameters. */
+#if defined(AT_LEAST_ONE_BUILTIN_KDF)
 static int is_status_smoke_free( psa_status_t status )
 {
     switch( status )
@@ -651,6 +656,8 @@
             return( 0 );
     }
 }
+#endif /* AT_LEAST_ONE_BUILTIN_KDF */
+
 #define SMOKE_ASSERT( expr )                    \
     TEST_ASSERT( is_status_smoke_free( expr ) )
 
@@ -658,6 +665,7 @@
  * mostly bogus parameters: the goal is to ensure that there is no memory
  * corruption or crash. This test function is most useful when run under
  * an environment with sanity checks such as ASan or MSan. */
+#if defined(AT_LEAST_ONE_BUILTIN_KDF)
 static int smoke_test_key( mbedtls_svc_key_id_t key )
 {
     int ok = 0;
@@ -766,6 +774,7 @@
 
     return( ok );
 }
+#endif /* AT_LEAST_ONE_BUILTIN_KDF */
 
 static void psa_purge_storage( void )
 {
@@ -1073,7 +1082,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:AT_LEAST_ONE_BUILTIN_KDF */
 void import_key_smoke( int type_arg, int alg_arg,
                        data_t *key_material )
 {
@@ -1186,7 +1195,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:AT_LEAST_ONE_BUILTIN_KDF */
 void generate_key_smoke( int type_arg, int bits_arg, int alg_arg )
 {
     psa_key_type_t type = type_arg;
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index e42f8ba..35f1638 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -5310,6 +5310,7 @@
 
     mbedtls_ssl_config conf;
 
+    USE_PSA_INIT( );
     mbedtls_ssl_config_init( &conf );
 
     TEST_ASSERT( mbedtls_ssl_conf_psk( &conf,
@@ -5323,6 +5324,8 @@
 exit:
 
     mbedtls_ssl_config_free( &conf );
+
+    USE_PSA_DONE( );
 }
 /* END_CASE */
 
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 33591d3..8605b63 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -87,7 +87,7 @@
 
     return -1;
 }
-
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
 int ca_callback( void *data, mbedtls_x509_crt const *child,
                  mbedtls_x509_crt **candidates )
 {
@@ -141,6 +141,7 @@
     *candidates = first;
     return( ret );
 }
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
 
 int verify_fatal( void *data, mbedtls_x509_crt *crt, int certificate_depth, uint32_t *flags )