diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 67b6ca2..d26fcc8 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -471,7 +471,8 @@
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
 #define USAGE_TLS1_3_KEY_EXCHANGE_MODES \
     "    tls13_kex_modes=%%s   default: all\n"     \
-    "                          options: psk, psk_ephemeral, ephemeral, ephemeral_all, psk_all, all\n"
+    "                          options: psk, psk_ephemeral, psk_all, ephemeral,\n"  \
+    "                                   ephemeral_all, all, psk_or_ephemeral\n"
 #else
 #define USAGE_TLS1_3_KEY_EXCHANGE_MODES ""
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
@@ -1859,6 +1860,14 @@
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ALL;
             else if( strcmp( q, "all" ) == 0 )
                 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL;
+            /* `psk_or_ephemeral` exists in theory and is not recommend in practise.
+             * In server side, if needed extensions are received, psk or ephemeral
+             * mode will be set. Add this mode only for test purpose to improve
+             * test coverage.
+             */
+            else if( strcmp( q, "psk_or_ephemeral" ) == 0 )
+                opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK |
+                                      MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL ;
             else goto usage;
         }
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
diff --git a/tests/opt-testcases/tls13-kex-modes.sh b/tests/opt-testcases/tls13-kex-modes.sh
index f64c8c6..b9a8326 100755
--- a/tests/opt-testcases/tls13-kex-modes.sh
+++ b/tests/opt-testcases/tls13-kex-modes.sh
@@ -1890,3 +1890,344 @@
             -S "key exchange mode: psk_ephemeral" \
             -s "key exchange mode: ephemeral"
 
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: with matched key and identity, with psk_ke and psk_dhe_ke. G->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$G_NEXT_CLI -d 10 --priority NORMAL:-VERS-ALL:-KX-ALL:+ECDHE-PSK:+DHE-PSK:+PSK:+VERS-TLS1.3 \
+                         --pskusername Client_identity --pskkey=6162636465666768696a6b6c6d6e6f70 \
+                         localhost" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -s "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -s "Found PSK KEX MODE" \
+            -s "Pre shared key found" \
+            -S "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: with matched key and identity, with psk_ke and psk_dhe_ke. O->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$O_NEXT_CLI -tls1_3 -msg -allow_no_dhe_kex \
+                         -psk_identity Client_identity -psk 6162636465666768696a6b6c6d6e6f70" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -s "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -s "Found PSK KEX MODE" \
+            -s "Pre shared key found" \
+            -S "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: with matched key and identity, with psk_ke. G->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$G_NEXT_CLI -d 10 --priority NORMAL:-VERS-ALL:-KX-ALL:-ECDHE-PSK:-DHE-PSK:+PSK:+VERS-TLS1.3 \
+                         --pskusername Client_identity --pskkey=6162636465666768696a6b6c6d6e6f70 \
+                         localhost" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -s "found pre_shared_key extension" \
+            -S "Found PSK_EPHEMERAL KEX MODE" \
+            -s "Found PSK KEX MODE" \
+            -s "Pre shared key found" \
+            -S "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: with matched key and identity, with psk_dhe_ke. G->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$G_NEXT_CLI -d 10 --priority NORMAL:-VERS-ALL:-KX-ALL:+ECDHE-PSK:+DHE-PSK:-PSK:+VERS-TLS1.3 \
+                         --pskusername Client_identity --pskkey=6162636465666768696a6b6c6d6e6f70 \
+                         localhost" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -s "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -S "Found PSK KEX MODE" \
+            -s "Pre shared key found" \
+            -S "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: with matched key and identity, with psk_dhe_ke. O->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$O_NEXT_CLI -tls1_3 -msg \
+                         -psk_identity Client_identity -psk 6162636465666768696a6b6c6d6e6f70" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -s "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -S "Found PSK KEX MODE" \
+            -s "Pre shared key found" \
+            -S "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: with mismatched identity, with psk_ke and psk_dhe_ke. G->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$G_NEXT_CLI -d 10 --priority NORMAL:-VERS-ALL:-KX-ALL:+ECDHE-PSK:+DHE-PSK:+PSK:+VERS-TLS1.3 \
+                         --pskusername wrong_identity --pskkey=6162636465666768696a6b6c6d6e6f70 \
+                         localhost" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -s "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -s "Found PSK KEX MODE" \
+            -S "Pre shared key found" \
+            -s "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: with mismatched identity, with psk_ke and psk_dhe_ke. O->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$O_NEXT_CLI -tls1_3 -msg -allow_no_dhe_kex \
+                         -psk_identity wrong_identity -psk 6162636465666768696a6b6c6d6e6f70" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -s "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -s "Found PSK KEX MODE" \
+            -S "Pre shared key found" \
+            -s "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: with mismatched identity, with psk_ke. G->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$G_NEXT_CLI -d 10 --priority NORMAL:-VERS-ALL:-KX-ALL:-ECDHE-PSK:-DHE-PSK:+PSK:+VERS-TLS1.3 \
+                         --pskusername wrong_identity --pskkey=6162636465666768696a6b6c6d6e6f70 \
+                         localhost" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -s "found pre_shared_key extension" \
+            -S "Found PSK_EPHEMERAL KEX MODE" \
+            -s "Found PSK KEX MODE" \
+            -S "Pre shared key found" \
+            -s "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: with mismatched identity, with psk_dhe_ke. G->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$G_NEXT_CLI -d 10 --priority NORMAL:-VERS-ALL:-KX-ALL:+ECDHE-PSK:+DHE-PSK:-PSK:+VERS-TLS1.3 \
+                         --pskusername wrong_identity --pskkey=6162636465666768696a6b6c6d6e6f70 \
+                         localhost" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -s "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -S "Found PSK KEX MODE" \
+            -S "Pre shared key found" \
+            -s "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: with mismatched identity, with psk_dhe_ke. O->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$O_NEXT_CLI -tls1_3 -msg \
+                         -psk_identity wrong_identity -psk 6162636465666768696a6b6c6d6e6f70" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -s "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -S "Found PSK KEX MODE" \
+            -S "Pre shared key found" \
+            -s "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: without pre_shared_key,with psk_ke and psk_dhe_ke. G->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$G_NEXT_CLI -d 10 --priority NORMAL:-VERS-ALL:-KX-ALL:+VERS-TLS1.3 \
+                         localhost" \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -S "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -s "Found PSK KEX MODE" \
+            -S "Pre shared key found" \
+            -S "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: without pre_shared_key,with psk_ke and psk_dhe_ke. O->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$O_NEXT_CLI -tls1_3 -msg -allow_no_dhe_kex " \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -S "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -s "Found PSK KEX MODE" \
+            -S "Pre shared key found" \
+            -S "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"
+
+requires_openssl_tls1_3
+requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_3
+requires_config_enabled MBEDTLS_SSL_TLS1_3_COMPATIBILITY_MODE
+requires_config_enabled MBEDTLS_SSL_SRV_C
+requires_config_enabled MBEDTLS_DEBUG_C
+# SOME_PSK_ENABLED
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+# SOME_ECDHE_ENABLED?
+requires_any_configs_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                             MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+run_test    "TLS 1.3: PSK: psk_or_ephemeral: without pre_shared_key,with psk_dhe_ke. O->m" \
+            "$P_SRV force_version=tls13 tls13_kex_modes=psk_or_ephemeral debug_level=5 psk_identity=Client_identity psk=6162636465666768696a6b6c6d6e6f70" \
+            "$O_NEXT_CLI -tls1_3 -msg " \
+            0 \
+            -s "found psk key exchange modes extension" \
+            -S "found pre_shared_key extension" \
+            -s "Found PSK_EPHEMERAL KEX MODE" \
+            -S "Found PSK KEX MODE" \
+            -S "Pre shared key found" \
+            -S "No matched PSK or ticket" \
+            -S "key exchange mode: psk$" \
+            -S "key exchange mode: psk_ephemeral" \
+            -s "key exchange mode: ephemeral"