Merge pull request #9137 from gilles-peskine-arm/ssl-opt-server2-detection-2.28

Backport 2.28: Fix skipped tests in configurations without RSA
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 0edb626..42705ac 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -69,6 +69,32 @@
 
 # alternative versions of OpenSSL and GnuTLS (no default path)
 
+# If $OPENSSL is at least 1.1.1, use it as OPENSSL_NEXT as well.
+if [ -z "${OPENSSL_NEXT:-}" ]; then
+    case $($OPENSSL version) in
+        OpenSSL\ 1.1.[1-9]*) OPENSSL_NEXT=$OPENSSL;;
+        OpenSSL\ [3-9]*) OPENSSL_NEXT=$OPENSSL;;
+    esac
+fi
+
+# If $GNUTLS_CLI is at least 3.7, use it as GNUTLS_NEXT_CLI as well.
+if [ -z "${GNUTLS_NEXT_CLI:-}" ]; then
+    case $($GNUTLS_CLI --version) in
+        gnutls-cli\ 3.[1-9][0-9]*) GNUTLS_NEXT_CLI=$GNUTLS_CLI;;
+        gnutls-cli\ 3.[7-9].*) GNUTLS_NEXT_CLI=$GNUTLS_CLI;;
+        gnutls-cli\ [4-9]*) GNUTLS_NEXT_CLI=$GNUTLS_CLI;;
+    esac
+fi
+
+# If $GNUTLS_SERV is at least 3.7, use it as GNUTLS_NEXT_SERV as well.
+if [ -z "${GNUTLS_NEXT_SERV:-}" ]; then
+    case $($GNUTLS_SERV --version) in
+        gnutls-cli\ 3.[1-9][0-9]*) GNUTLS_NEXT_SERV=$GNUTLS_SERV;;
+        gnutls-cli\ 3.[7-9].*) GNUTLS_NEXT_SERV=$GNUTLS_SERV;;
+        gnutls-cli\ [4-9]*) GNUTLS_NEXT_SERV=$GNUTLS_SERV;;
+    esac
+fi
+
 if [ -n "${OPENSSL_NEXT:-}" ]; then
     O_NEXT_SRV="$OPENSSL_NEXT s_server -www -cert data_files/server5.crt -key data_files/server5.key"
     O_NEXT_CLI="echo 'GET / HTTP/1.0' | $OPENSSL_NEXT s_client"
@@ -352,9 +378,10 @@
 
 adapt_cmd_for_psk () {
     case "$2" in
-        *openssl*) s='-psk abc123 -nocert';;
-        *gnutls-*) s='--pskkey=abc123';;
-        *) s='psk=abc123';;
+        *openssl*s_server*) s='-psk 73776f726466697368 -nocert';;
+        *openssl*) s='-psk 73776f726466697368';;
+        *gnutls-*) s='--pskusername=Client_identity --pskkey=73776f726466697368';;
+        *) s='psk=73776f726466697368';;
     esac
     eval $1='"$2 $s"'
     unset s
@@ -1154,7 +1181,7 @@
 
     if [ -n "$PXY_CMD" ]; then
         kill $PXY_PID >/dev/null 2>&1
-        wait $PXY_PID
+        wait $PXY_PID >> $PXY_OUT 2>&1
     fi
 }
 
@@ -1723,8 +1750,8 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "Opaque psk: client: ECDHE-PSK not supported" \
-            "$P_SRV debug_level=1 psk=abc123 psk_identity=foo" \
-            "$P_CLI debug_level=1 psk=abc123 psk_identity=foo psk_opaque=1 \
+            "$P_SRV debug_level=1 psk=73776f726466697368 psk_identity=foo" \
+            "$P_CLI debug_level=1 psk=73776f726466697368 psk_identity=foo psk_opaque=1 \
             force_version=tls12 \
             force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-128-CBC-SHA" \
             1 \
@@ -1734,8 +1761,8 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "Opaque psk: client: DHE-PSK not supported" \
-            "$P_SRV debug_level=1 psk=abc123 psk_identity=foo" \
-            "$P_CLI debug_level=1 psk=abc123 psk_identity=foo psk_opaque=1 \
+            "$P_SRV debug_level=1 psk=73776f726466697368 psk_identity=foo" \
+            "$P_CLI debug_level=1 psk=73776f726466697368 psk_identity=foo psk_opaque=1 \
             force_version=tls12 \
             force_ciphersuite=TLS-DHE-PSK-WITH-AES-128-CBC-SHA" \
             1 \
@@ -1745,8 +1772,8 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "Opaque psk: client: RSA-PSK not supported" \
-            "$P_SRV debug_level=1 psk=abc123 psk_identity=foo" \
-            "$P_CLI debug_level=1 psk=abc123 psk_identity=foo psk_opaque=1 \
+            "$P_SRV debug_level=1 psk=73776f726466697368 psk_identity=foo" \
+            "$P_CLI debug_level=1 psk=73776f726466697368 psk_identity=foo psk_opaque=1 \
             force_version=tls12 \
             force_ciphersuite=TLS-RSA-PSK-WITH-AES-128-CBC-SHA" \
             1 \
@@ -1756,10 +1783,10 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "Opaque psk: server: ECDHE-PSK not supported" \
-            "$P_SRV debug_level=1 psk=abc123 psk_identity=foo psk_opaque=1 \
+            "$P_SRV debug_level=1 psk=73776f726466697368 psk_identity=foo psk_opaque=1 \
             force_version=tls12 \
             force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-128-CBC-SHA" \
-            "$P_CLI debug_level=1 psk=abc123 psk_identity=foo" \
+            "$P_CLI debug_level=1 psk=73776f726466697368 psk_identity=foo" \
             1 \
             -s "opaque PSK not supported with ECDHE-PSK" \
             -s "error" \
@@ -1767,10 +1794,10 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "Opaque psk: server: DHE-PSK not supported" \
-            "$P_SRV debug_level=1 psk=abc123 psk_identity=foo psk_opaque=1 \
+            "$P_SRV debug_level=1 psk=73776f726466697368 psk_identity=foo psk_opaque=1 \
             force_version=tls12 \
             force_ciphersuite=TLS-DHE-PSK-WITH-AES-128-CBC-SHA" \
-            "$P_CLI debug_level=1 psk=abc123 psk_identity=foo" \
+            "$P_CLI debug_level=1 psk=73776f726466697368 psk_identity=foo" \
             1 \
             -s "opaque PSK not supported with DHE-PSK" \
             -s "error" \
@@ -1778,10 +1805,10 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "Opaque psk: server: RSA-PSK not supported" \
-            "$P_SRV debug_level=1 psk=abc123 psk_identity=foo psk_opaque=1 \
+            "$P_SRV debug_level=1 psk=73776f726466697368 psk_identity=foo psk_opaque=1 \
             force_version=tls12 \
             force_ciphersuite=TLS-RSA-PSK-WITH-AES-128-CBC-SHA" \
-            "$P_CLI debug_level=1 psk=abc123 psk_identity=foo" \
+            "$P_CLI debug_level=1 psk=73776f726466697368 psk_identity=foo" \
             1 \
             -s "opaque PSK not supported with RSA-PSK" \
             -s "error" \
@@ -1935,12 +1962,14 @@
 
 # Tests for SHA-1 support
 
+requires_config_enabled MBEDTLS_SHA1_C
 run_test    "SHA-1 forbidden by default in server certificate" \
             "$P_SRV key_file=data_files/server2.key crt_file=data_files/server2.crt" \
             "$P_CLI debug_level=2 allow_sha1=0" \
             1 \
             -c "The certificate is signed with an unacceptable hash"
 
+requires_config_enabled MBEDTLS_SHA1_C
 run_test    "SHA-1 explicitly allowed in server certificate" \
             "$P_SRV key_file=data_files/server2.key crt_file=data_files/server2.crt" \
             "$P_CLI allow_sha1=1" \
@@ -1951,17 +1980,23 @@
             "$P_CLI allow_sha1=0" \
             0
 
+requires_config_enabled MBEDTLS_SHA1_C
+requires_config_enabled MBEDTLS_RSA_C
 run_test    "SHA-1 forbidden by default in client certificate" \
             "$P_SRV auth_mode=required allow_sha1=0" \
             "$P_CLI key_file=data_files/cli-rsa.key crt_file=data_files/cli-rsa-sha1.crt" \
             1 \
             -s "The certificate is signed with an unacceptable hash"
 
+requires_config_enabled MBEDTLS_SHA1_C
+requires_config_enabled MBEDTLS_RSA_C
 run_test    "SHA-1 explicitly allowed in client certificate" \
             "$P_SRV auth_mode=required allow_sha1=1" \
             "$P_CLI key_file=data_files/cli-rsa.key crt_file=data_files/cli-rsa-sha1.crt" \
             0
 
+requires_config_enabled MBEDTLS_RSA_C
+requires_config_enabled MBEDTLS_SHA256_C
 run_test    "SHA-256 allowed by default in client certificate" \
             "$P_SRV auth_mode=required allow_sha1=0" \
             "$P_CLI key_file=data_files/cli-rsa.key crt_file=data_files/cli-rsa-sha256.crt" \
@@ -4449,6 +4484,7 @@
 # Test for the "secure renegotiation" extension only (no actual renegotiation)
 
 requires_gnutls
+requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 run_test    "Renego ext: gnutls server strict, client default" \
             "$G_SRV --priority=NORMAL:%SAFE_RENEGOTIATION" \
             "$P_CLI debug_level=3" \
@@ -4458,6 +4494,7 @@
             -c "HTTP/1.0 200 [Oo][Kk]"
 
 requires_gnutls
+requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 run_test    "Renego ext: gnutls server unsafe, client default" \
             "$G_SRV --priority=NORMAL:%DISABLE_SAFE_RENEGOTIATION" \
             "$P_CLI debug_level=3" \
@@ -4467,6 +4504,7 @@
             -c "HTTP/1.0 200 [Oo][Kk]"
 
 requires_gnutls
+requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 run_test    "Renego ext: gnutls server unsafe, client break legacy" \
             "$G_SRV --priority=NORMAL:%DISABLE_SAFE_RENEGOTIATION" \
             "$P_CLI debug_level=3 allow_legacy=-1" \
@@ -4476,6 +4514,7 @@
             -C "HTTP/1.0 200 [Oo][Kk]"
 
 requires_gnutls
+requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 run_test    "Renego ext: gnutls client strict, server default" \
             "$P_SRV debug_level=3" \
             "$G_CLI --priority=NORMAL:%SAFE_RENEGOTIATION localhost" \
@@ -4484,6 +4523,7 @@
             -s "server hello, secure renegotiation extension"
 
 requires_gnutls
+requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 run_test    "Renego ext: gnutls client unsafe, server default" \
             "$P_SRV debug_level=3" \
             "$G_CLI --priority=NORMAL:%DISABLE_SAFE_RENEGOTIATION localhost" \
@@ -4492,6 +4532,7 @@
             -S "server hello, secure renegotiation extension"
 
 requires_gnutls
+requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 run_test    "Renego ext: gnutls client unsafe, server break legacy" \
             "$P_SRV debug_level=3 allow_legacy=-1" \
             "$G_CLI --priority=NORMAL:%DISABLE_SAFE_RENEGOTIATION localhost" \
@@ -6197,9 +6238,9 @@
 # Tests for PSK callback
 
 run_test    "PSK callback: psk, no callback" \
-            "$P_SRV psk=abc123 psk_identity=foo" \
+            "$P_SRV psk=73776f726466697368 psk_identity=foo" \
             "$P_CLI force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
-            psk_identity=foo psk=abc123" \
+            psk_identity=foo psk=73776f726466697368" \
             0 \
             -S "SSL - None of the common ciphersuites is usable" \
             -S "SSL - Unknown identity received" \
@@ -6207,9 +6248,9 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: opaque psk on client, no callback" \
-            "$P_SRV extended_ms=0 debug_level=1 psk=abc123 psk_identity=foo" \
+            "$P_SRV extended_ms=0 debug_level=1 psk=73776f726466697368 psk_identity=foo" \
             "$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" \
+            psk_identity=foo psk=73776f726466697368 psk_opaque=1" \
             0 \
             -c "skip PMS generation for opaque PSK"\
             -S "skip PMS generation for opaque PSK"\
@@ -6221,9 +6262,9 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: opaque psk on client, no callback, SHA-384" \
-            "$P_SRV extended_ms=0 debug_level=1 psk=abc123 psk_identity=foo" \
+            "$P_SRV extended_ms=0 debug_level=1 psk=73776f726466697368 psk_identity=foo" \
             "$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" \
+            psk_identity=foo psk=73776f726466697368 psk_opaque=1" \
             0 \
             -c "skip PMS generation for opaque PSK"\
             -S "skip PMS generation for opaque PSK"\
@@ -6235,9 +6276,9 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: opaque psk on client, no callback, EMS" \
-            "$P_SRV extended_ms=1 debug_level=3 psk=abc123 psk_identity=foo" \
+            "$P_SRV extended_ms=1 debug_level=3 psk=73776f726466697368 psk_identity=foo" \
             "$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" \
+            psk_identity=foo psk=73776f726466697368 psk_opaque=1" \
             0 \
             -c "skip PMS generation for opaque PSK"\
             -S "skip PMS generation for opaque PSK"\
@@ -6249,9 +6290,9 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: opaque psk on client, no callback, SHA-384, EMS" \
-            "$P_SRV extended_ms=1 debug_level=3 psk=abc123 psk_identity=foo" \
+            "$P_SRV extended_ms=1 debug_level=3 psk=73776f726466697368 psk_identity=foo" \
             "$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" \
+            psk_identity=foo psk=73776f726466697368 psk_opaque=1" \
             0 \
             -c "skip PMS generation for opaque PSK"\
             -S "skip PMS generation for opaque PSK"\
@@ -6263,9 +6304,9 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: raw psk on client, static opaque on server, no callback" \
-            "$P_SRV extended_ms=0 debug_level=1 psk=abc123 psk_identity=foo psk_opaque=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
+            "$P_SRV extended_ms=0 debug_level=1 psk=73776f726466697368 psk_identity=foo psk_opaque=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
             "$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_identity=foo psk=73776f726466697368" \
             0 \
             -C "skip PMS generation for opaque PSK"\
             -s "skip PMS generation for opaque PSK"\
@@ -6277,9 +6318,9 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: raw psk on client, static opaque on server, no callback, SHA-384" \
-            "$P_SRV extended_ms=0 debug_level=1 psk=abc123 psk_identity=foo psk_opaque=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-256-CBC-SHA384" \
+            "$P_SRV extended_ms=0 debug_level=1 psk=73776f726466697368 psk_identity=foo psk_opaque=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-256-CBC-SHA384" \
             "$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_identity=foo psk=73776f726466697368" \
             0 \
             -C "skip PMS generation for opaque PSK"\
             -s "skip PMS generation for opaque PSK"\
@@ -6291,10 +6332,10 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: raw psk on client, static opaque on server, no callback, EMS" \
-            "$P_SRV debug_level=3 psk=abc123 psk_identity=foo psk_opaque=1 min_version=tls12 \
+            "$P_SRV debug_level=3 psk=73776f726466697368 psk_identity=foo psk_opaque=1 min_version=tls12 \
             force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA extended_ms=1" \
             "$P_CLI debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
-            psk_identity=foo psk=abc123 extended_ms=1" \
+            psk_identity=foo psk=73776f726466697368 extended_ms=1" \
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
@@ -6306,10 +6347,10 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: raw psk on client, static opaque on server, no callback, EMS, SHA384" \
-            "$P_SRV debug_level=3 psk=abc123 psk_identity=foo psk_opaque=1 min_version=tls12 \
+            "$P_SRV debug_level=3 psk=73776f726466697368 psk_identity=foo psk_opaque=1 min_version=tls12 \
             force_ciphersuite=TLS-PSK-WITH-AES-256-CBC-SHA384 extended_ms=1" \
             "$P_CLI debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-256-CBC-SHA384 \
-            psk_identity=foo psk=abc123 extended_ms=1" \
+            psk_identity=foo psk=73776f726466697368 extended_ms=1" \
             0 \
             -c "session hash for extended master secret"\
             -s "session hash for extended master secret"\
@@ -6379,7 +6420,7 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: raw psk on client, mismatching static raw PSK on server, opaque PSK from callback" \
-            "$P_SRV extended_ms=0 psk_identity=foo psk=abc123 debug_level=3 psk_list=abc,dead,def,beef psk_list_opaque=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
+            "$P_SRV extended_ms=0 psk_identity=foo psk=73776f726466697368 debug_level=3 psk_list=abc,dead,def,beef psk_list_opaque=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
             "$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 \
@@ -6393,7 +6434,7 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: raw psk on client, mismatching static opaque PSK on server, opaque PSK from callback" \
-            "$P_SRV extended_ms=0 psk_opaque=1 psk_identity=foo psk=abc123 debug_level=3 psk_list=abc,dead,def,beef psk_list_opaque=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
+            "$P_SRV extended_ms=0 psk_opaque=1 psk_identity=foo psk=73776f726466697368 debug_level=3 psk_list=abc,dead,def,beef psk_list_opaque=1 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
             "$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 \
@@ -6407,7 +6448,7 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: raw psk on client, mismatching static opaque PSK on server, raw PSK from callback" \
-            "$P_SRV extended_ms=0 psk_opaque=1 psk_identity=foo psk=abc123 debug_level=3 psk_list=abc,dead,def,beef min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
+            "$P_SRV extended_ms=0 psk_opaque=1 psk_identity=foo psk=73776f726466697368 debug_level=3 psk_list=abc,dead,def,beef min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
             "$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 \
@@ -6420,7 +6461,7 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: raw psk on client, id-matching but wrong raw PSK on server, opaque PSK from callback" \
-            "$P_SRV extended_ms=0 psk_opaque=1 psk_identity=def psk=abc123 debug_level=3 psk_list=abc,dead,def,beef min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
+            "$P_SRV extended_ms=0 psk_opaque=1 psk_identity=def psk=73776f726466697368 debug_level=3 psk_list=abc,dead,def,beef min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
             "$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 \
@@ -6433,7 +6474,7 @@
 
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 run_test    "PSK callback: raw psk on client, matching opaque PSK on server, wrong opaque PSK from callback" \
-            "$P_SRV extended_ms=0 psk_opaque=1 psk_identity=def psk=beef debug_level=3 psk_list=abc,dead,def,abc123 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
+            "$P_SRV extended_ms=0 psk_opaque=1 psk_identity=def psk=beef debug_level=3 psk_list=abc,dead,def,73776f726466697368 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA" \
             "$P_CLI extended_ms=0 debug_level=3 min_version=tls12 force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
             psk_identity=def psk=beef" \
             1 \
@@ -6442,16 +6483,16 @@
 run_test    "PSK callback: no psk, no callback" \
             "$P_SRV" \
             "$P_CLI force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
-            psk_identity=foo psk=abc123" \
+            psk_identity=foo psk=73776f726466697368" \
             1 \
             -s "SSL - None of the common ciphersuites is usable" \
             -S "SSL - Unknown identity received" \
             -S "SSL - Verification of the message MAC failed"
 
 run_test    "PSK callback: callback overrides other settings" \
-            "$P_SRV psk=abc123 psk_identity=foo psk_list=abc,dead,def,beef" \
+            "$P_SRV psk=73776f726466697368 psk_identity=foo psk_list=abc,dead,def,beef" \
             "$P_CLI force_ciphersuite=TLS-PSK-WITH-AES-128-CBC-SHA \
-            psk_identity=foo psk=abc123" \
+            psk_identity=foo psk=73776f726466697368" \
             1 \
             -S "SSL - None of the common ciphersuites is usable" \
             -s "SSL - Unknown identity received" \
@@ -6624,11 +6665,25 @@
 
 # Test for ClientHello without extensions
 
+# Without extensions, ECC is impossible (no curve negotiation).
+requires_config_enabled MBEDTLS_RSA_C
 requires_gnutls
-run_test    "ClientHello without extensions" \
+run_test    "ClientHello without extensions: RSA" \
             "$P_SRV debug_level=3" \
             "$G_CLI --priority=NORMAL:%NO_EXTENSIONS:%DISABLE_SAFE_RENEGOTIATION localhost" \
             0 \
+            -s "Ciphersuite is .*-RSA-WITH-.*" \
+            -S "Ciphersuite is .*-EC.*" \
+            -s "dumping 'client hello extensions' (0 bytes)"
+
+requires_config_enabled MBEDTLS_KEY_EXCHANGE_PSK_ENABLED
+requires_gnutls
+run_test    "ClientHello without extensions: PSK" \
+            "$P_SRV debug_level=3 psk=73776f726466697368" \
+            "$G_CLI --priority=NORMAL:+PSK:-RSA:-DHE-RSA:%NO_EXTENSIONS:%DISABLE_SAFE_RENEGOTIATION --pskusername=Client_identity --pskkey=73776f726466697368 localhost" \
+            0 \
+            -s "Ciphersuite is .*-PSK-.*" \
+            -S "Ciphersuite is .*-EC.*" \
             -s "dumping 'client hello extensions' (0 bytes)"
 
 # Tests for mbedtls_ssl_get_bytes_avail()
@@ -7964,9 +8019,9 @@
 
 requires_config_enabled MBEDTLS_SSL_ASYNC_PRIVATE
 run_test    "SSL async private: decrypt RSA-PSK, delay=0" \
-            "$P_SRV psk=abc123 \
+            "$P_SRV psk=73776f726466697368 \
              async_operations=d async_private_delay1=0 async_private_delay2=0" \
-            "$P_CLI psk=abc123 \
+            "$P_CLI psk=73776f726466697368 \
              force_ciphersuite=TLS-RSA-PSK-WITH-AES-128-CBC-SHA256" \
             0 \
             -s "Async decrypt callback: using key slot " \
@@ -7974,9 +8029,9 @@
 
 requires_config_enabled MBEDTLS_SSL_ASYNC_PRIVATE
 run_test    "SSL async private: decrypt RSA-PSK, delay=1" \
-            "$P_SRV psk=abc123 \
+            "$P_SRV psk=73776f726466697368 \
              async_operations=d async_private_delay1=1 async_private_delay2=1" \
-            "$P_CLI psk=abc123 \
+            "$P_CLI psk=73776f726466697368 \
              force_ciphersuite=TLS-RSA-PSK-WITH-AES-128-CBC-SHA256" \
             0 \
             -s "Async decrypt callback: using key slot " \
@@ -8414,8 +8469,8 @@
             -s "! Certificate verification was skipped"
 
 run_test    "DTLS wrong PSK: badmac alert" \
-            "$P_SRV dtls=1 psk=abc123 force_ciphersuite=TLS-PSK-WITH-AES-128-GCM-SHA256" \
-            "$P_CLI dtls=1 psk=abc124" \
+            "$P_SRV dtls=1 psk=73776f726466697368 force_ciphersuite=TLS-PSK-WITH-AES-128-GCM-SHA256" \
+            "$P_CLI dtls=1 psk=73776f726466697374" \
             1 \
             -s "SSL - Verification of the message MAC failed" \
             -c "SSL - A fatal alert message was received from our peer"
@@ -10292,8 +10347,8 @@
 requires_config_value_at_most "MBEDTLS_SSL_DTLS_MAX_BUFFERING" 230
 run_test    "DTLS reordering: Buffer encrypted Finished message, drop for fragmented NewSessionTicket" \
             -p "$P_PXY delay_srv=NewSessionTicket delay_srv=NewSessionTicket delay_ccs=1" \
-            "$P_SRV mtu=140 response_size=90 dgram_packing=0 psk=abc123 psk_identity=foo cookies=0 dtls=1 debug_level=2" \
-            "$P_CLI dgram_packing=0 dtls=1 debug_level=2 force_ciphersuite=TLS-PSK-WITH-AES-128-CCM-8 psk=abc123 psk_identity=foo" \
+            "$P_SRV mtu=140 response_size=90 dgram_packing=0 psk=73776f726466697368 psk_identity=foo cookies=0 dtls=1 debug_level=2" \
+            "$P_CLI dgram_packing=0 dtls=1 debug_level=2 force_ciphersuite=TLS-PSK-WITH-AES-128-CCM-8 psk=73776f726466697368 psk_identity=foo" \
             0 \
             -s "Buffer record from epoch 1" \
             -s "Found buffered record from current epoch - load" \
@@ -10307,8 +10362,8 @@
 run_test    "DTLS proxy: 3d (drop, delay, duplicate), \"short\" PSK handshake" \
             -p "$P_PXY drop=5 delay=5 duplicate=5" \
             "$P_SRV dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 auth_mode=none \
-             psk=abc123" \
-            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=abc123 \
+             psk=73776f726466697368" \
+            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=73776f726466697368 \
              force_ciphersuite=TLS-PSK-WITH-AES-128-CCM-8" \
             0 \
             -s "Extra-header:" \
@@ -10375,8 +10430,8 @@
 run_test    "DTLS proxy: 3d, min handshake, resumption" \
             -p "$P_PXY drop=5 delay=5 duplicate=5" \
             "$P_SRV dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 auth_mode=none \
-             psk=abc123 debug_level=3" \
-            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=abc123 \
+             psk=73776f726466697368 debug_level=3" \
+            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=73776f726466697368 \
              debug_level=3 reconnect=1 skip_close_notify=1 read_timeout=1000 max_resend=10 \
              force_ciphersuite=TLS-PSK-WITH-AES-128-CCM-8" \
             0 \
@@ -10390,8 +10445,8 @@
 run_test    "DTLS proxy: 3d, min handshake, resumption, nbio" \
             -p "$P_PXY drop=5 delay=5 duplicate=5" \
             "$P_SRV dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 auth_mode=none \
-             psk=abc123 debug_level=3 nbio=2" \
-            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=abc123 \
+             psk=73776f726466697368 debug_level=3 nbio=2" \
+            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=73776f726466697368 \
              debug_level=3 reconnect=1 skip_close_notify=1 read_timeout=1000 max_resend=10 \
              force_ciphersuite=TLS-PSK-WITH-AES-128-CCM-8 nbio=2" \
             0 \
@@ -10405,8 +10460,8 @@
 run_test    "DTLS proxy: 3d, min handshake, client-initiated renego" \
             -p "$P_PXY drop=5 delay=5 duplicate=5" \
             "$P_SRV dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 auth_mode=none \
-             psk=abc123 renegotiation=1 debug_level=2" \
-            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=abc123 \
+             psk=73776f726466697368 renegotiation=1 debug_level=2" \
+            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=73776f726466697368 \
              renegotiate=1 debug_level=2 \
              force_ciphersuite=TLS-PSK-WITH-AES-128-CCM-8" \
             0 \
@@ -10420,8 +10475,8 @@
 run_test    "DTLS proxy: 3d, min handshake, client-initiated renego, nbio" \
             -p "$P_PXY drop=5 delay=5 duplicate=5" \
             "$P_SRV dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 auth_mode=none \
-             psk=abc123 renegotiation=1 debug_level=2" \
-            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=abc123 \
+             psk=73776f726466697368 renegotiation=1 debug_level=2" \
+            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=73776f726466697368 \
              renegotiate=1 debug_level=2 \
              force_ciphersuite=TLS-PSK-WITH-AES-128-CCM-8" \
             0 \
@@ -10435,9 +10490,9 @@
 run_test    "DTLS proxy: 3d, min handshake, server-initiated renego" \
             -p "$P_PXY drop=5 delay=5 duplicate=5" \
             "$P_SRV dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 auth_mode=none \
-             psk=abc123 renegotiate=1 renegotiation=1 exchanges=4 \
+             psk=73776f726466697368 renegotiate=1 renegotiation=1 exchanges=4 \
              debug_level=2" \
-            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=abc123 \
+            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=73776f726466697368 \
              renegotiation=1 exchanges=4 debug_level=2 \
              force_ciphersuite=TLS-PSK-WITH-AES-128-CCM-8" \
             0 \
@@ -10451,9 +10506,9 @@
 run_test    "DTLS proxy: 3d, min handshake, server-initiated renego, nbio" \
             -p "$P_PXY drop=5 delay=5 duplicate=5" \
             "$P_SRV dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 auth_mode=none \
-             psk=abc123 renegotiate=1 renegotiation=1 exchanges=4 \
+             psk=73776f726466697368 renegotiate=1 renegotiation=1 exchanges=4 \
              debug_level=2 nbio=2" \
-            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=abc123 \
+            "$P_CLI dtls=1 dgram_packing=0 hs_timeout=500-10000 tickets=0 psk=73776f726466697368 \
              renegotiation=1 exchanges=4 debug_level=2 nbio=2 \
              force_ciphersuite=TLS-PSK-WITH-AES-128-CCM-8" \
             0 \