Add a ciphersuite config sanity check for clients

Ensure that there are ciphersuites enabled for the maximum supported
version we are claiming in the ClientHello.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3334)

diff --git a/ssl/statem/statem_clnt.c b/ssl/statem/statem_clnt.c
index 9f4a719fa11e0a2bc788dd6a3fb036e0b68be724..f6b6429391c5e3b0266f721edc81e1f086493f6e 100644 (file)
--- a/ssl/statem/statem_clnt.c
+++ b/ssl/statem/statem_clnt.c
@@ -3470,7 +3470,7 @@ int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey)
 int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, WPACKET *pkt)
 {
     int i;
-    size_t totlen = 0, len, maxlen;
+    size_t totlen = 0, len, maxlen, maxverok = 0;
     int empty_reneg_info_scsv = !s->renegotiate;
     /* Set disabled masks for this session */
     ssl_set_client_disabled(s);
@@ -3512,11 +3512,29 @@ int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, WPACKET *pkt)
             return 0;
         }
 
+        /* Sanity check that the maximum version we offer has ciphers enabled */
+        if (!maxverok) {
+            if (SSL_IS_DTLS(s)) {
+                if (DTLS_VERSION_GE(c->max_dtls, s->s3->tmp.max_ver)
+                        && DTLS_VERSION_LE(c->min_dtls, s->s3->tmp.max_ver))
+                    maxverok = 1;
+            } else {
+                if (c->max_tls >= s->s3->tmp.max_ver
+                        && c->min_tls <= s->s3->tmp.max_ver)
+                    maxverok = 1;
+            }
+        }
+
         totlen += len;
     }
 
-    if (totlen == 0) {
+    if (totlen == 0 || !maxverok) {
         SSLerr(SSL_F_SSL_CIPHER_LIST_TO_BYTES, SSL_R_NO_CIPHERS_AVAILABLE);
+
+        if (!maxverok)
+            ERR_add_error_data(1, "No ciphers enabled for max supported "
+                                  "SSL/TLS version");
+
         return 0;
     }
 

diff --git a/test/ssl-tests/14-curves.conf b/test/ssl-tests/14-curves.conf
index 83911b0aefe1e8758658ab25cb66e03aaaeddb1a..ab04c2ef395d70d7ea204a0793cafcc98eb16753 100644 (file)
--- a/test/ssl-tests/14-curves.conf
+++ b/test/ssl-tests/14-curves.conf
@@ -50,6 +50,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [0-curve-sect163k1-client]
 CipherString = ECDHE
 Curves = sect163k1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -77,6 +78,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [1-curve-sect163r1-client]
 CipherString = ECDHE
 Curves = sect163r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -104,6 +106,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [2-curve-sect163r2-client]
 CipherString = ECDHE
 Curves = sect163r2
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -131,6 +134,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [3-curve-sect193r1-client]
 CipherString = ECDHE
 Curves = sect193r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -158,6 +162,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [4-curve-sect193r2-client]
 CipherString = ECDHE
 Curves = sect193r2
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -185,6 +190,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [5-curve-sect233k1-client]
 CipherString = ECDHE
 Curves = sect233k1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -212,6 +218,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [6-curve-sect233r1-client]
 CipherString = ECDHE
 Curves = sect233r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -239,6 +246,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [7-curve-sect239k1-client]
 CipherString = ECDHE
 Curves = sect239k1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -266,6 +274,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [8-curve-sect283k1-client]
 CipherString = ECDHE
 Curves = sect283k1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -293,6 +302,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [9-curve-sect283r1-client]
 CipherString = ECDHE
 Curves = sect283r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -320,6 +330,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [10-curve-sect409k1-client]
 CipherString = ECDHE
 Curves = sect409k1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -347,6 +358,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [11-curve-sect409r1-client]
 CipherString = ECDHE
 Curves = sect409r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -374,6 +386,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [12-curve-sect571k1-client]
 CipherString = ECDHE
 Curves = sect571k1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -401,6 +414,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [13-curve-sect571r1-client]
 CipherString = ECDHE
 Curves = sect571r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -428,6 +442,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [14-curve-secp160k1-client]
 CipherString = ECDHE
 Curves = secp160k1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -455,6 +470,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [15-curve-secp160r1-client]
 CipherString = ECDHE
 Curves = secp160r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -482,6 +498,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [16-curve-secp160r2-client]
 CipherString = ECDHE
 Curves = secp160r2
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -509,6 +526,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [17-curve-secp192k1-client]
 CipherString = ECDHE
 Curves = secp192k1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -536,6 +554,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [18-curve-prime192v1-client]
 CipherString = ECDHE
 Curves = prime192v1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -563,6 +582,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [19-curve-secp224k1-client]
 CipherString = ECDHE
 Curves = secp224k1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -590,6 +610,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [20-curve-secp224r1-client]
 CipherString = ECDHE
 Curves = secp224r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -617,6 +638,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [21-curve-secp256k1-client]
 CipherString = ECDHE
 Curves = secp256k1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -644,6 +666,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [22-curve-prime256v1-client]
 CipherString = ECDHE
 Curves = prime256v1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -671,6 +694,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [23-curve-secp384r1-client]
 CipherString = ECDHE
 Curves = secp384r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -698,6 +722,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [24-curve-secp521r1-client]
 CipherString = ECDHE
 Curves = secp521r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -725,6 +750,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [25-curve-brainpoolP256r1-client]
 CipherString = ECDHE
 Curves = brainpoolP256r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -752,6 +778,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [26-curve-brainpoolP384r1-client]
 CipherString = ECDHE
 Curves = brainpoolP384r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -779,6 +806,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [27-curve-brainpoolP512r1-client]
 CipherString = ECDHE
 Curves = brainpoolP512r1
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -806,6 +834,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 [28-curve-X25519-client]
 CipherString = ECDHE
 Curves = X25519
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 

diff --git a/test/ssl-tests/14-curves.conf.in b/test/ssl-tests/14-curves.conf.in
index 6e98b5a69a7115d86490cb4fd253cfc61dcfec0c..9f6e4339a43f9cf3679f41a6f1c27fa5bbaca2b7 100644 (file)
--- a/test/ssl-tests/14-curves.conf.in
+++ b/test/ssl-tests/14-curves.conf.in
@@ -25,14 +25,15 @@ sub generate_tests() {
     foreach (0..$#curves) {
         my $curve = $curves[$_];
         push @tests, {
-           name => "curve-${curve}",
+            name => "curve-${curve}",
             server => {
                 "Curves" => $curve,
                 # TODO(TLS1.3): Can we get this to work for TLSv1.3?
                 "MaxProtocol" => "TLSv1.2"
             },
             client => {
-               "CipherString" => "ECDHE",
+                "CipherString" => "ECDHE",
+                "MaxProtocol" => "TLSv1.2",
                 "Curves" => $curve
             },
             test   => {

diff --git a/test/ssl-tests/17-renegotiate.conf b/test/ssl-tests/17-renegotiate.conf
index 8376eeaf8940e31cec0c2f7daf665214d57b9960..3f3769ff0265a07299b07d9d6a4f09b89e30eac7 100644 (file)
--- a/test/ssl-tests/17-renegotiate.conf
+++ b/test/ssl-tests/17-renegotiate.conf
@@ -198,12 +198,12 @@ client = 6-renegotiate-aead-to-non-aead-client
 [6-renegotiate-aead-to-non-aead-server]
 Certificate = ${ENV::TEST_CERTS_DIR}/servercert.pem
 CipherString = DEFAULT
-MaxProtocol = TLSv1.2
 Options = NoResumptionOnRenegotiation
 PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 
 [6-renegotiate-aead-to-non-aead-client]
 CipherString = AES128-GCM-SHA256
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -230,12 +230,12 @@ client = 7-renegotiate-non-aead-to-aead-client
 [7-renegotiate-non-aead-to-aead-server]
 Certificate = ${ENV::TEST_CERTS_DIR}/servercert.pem
 CipherString = DEFAULT
-MaxProtocol = TLSv1.2
 Options = NoResumptionOnRenegotiation
 PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 
 [7-renegotiate-non-aead-to-aead-client]
 CipherString = AES128-SHA
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -262,12 +262,12 @@ client = 8-renegotiate-non-aead-to-non-aead-client
 [8-renegotiate-non-aead-to-non-aead-server]
 Certificate = ${ENV::TEST_CERTS_DIR}/servercert.pem
 CipherString = DEFAULT
-MaxProtocol = TLSv1.2
 Options = NoResumptionOnRenegotiation
 PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 
 [8-renegotiate-non-aead-to-non-aead-client]
 CipherString = AES128-SHA
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -294,12 +294,12 @@ client = 9-renegotiate-aead-to-aead-client
 [9-renegotiate-aead-to-aead-server]
 Certificate = ${ENV::TEST_CERTS_DIR}/servercert.pem
 CipherString = DEFAULT
-MaxProtocol = TLSv1.2
 Options = NoResumptionOnRenegotiation
 PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 
 [9-renegotiate-aead-to-aead-client]
 CipherString = AES128-GCM-SHA256
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 

diff --git a/test/ssl-tests/17-renegotiate.conf.in b/test/ssl-tests/17-renegotiate.conf.in
index 867a4f222053cbd8e679305a9f08714d0de9b35d..b5d07b0705edefca83caecbefb1664755461b4bf 100644 (file)
--- a/test/ssl-tests/17-renegotiate.conf.in
+++ b/test/ssl-tests/17-renegotiate.conf.in
@@ -114,10 +114,10 @@ our @tests_tls1_2 = (
         name => "renegotiate-aead-to-non-aead",
         server => {
             "Options" => "NoResumptionOnRenegotiation",
-            "MaxProtocol" => "TLSv1.2"
         },
         client => {
             "CipherString" => "AES128-GCM-SHA256",
+            "MaxProtocol" => "TLSv1.2",
             extra => {
                 "RenegotiateCiphers" => "AES128-SHA"
             }
@@ -133,10 +133,10 @@ our @tests_tls1_2 = (
         name => "renegotiate-non-aead-to-aead",
         server => {
             "Options" => "NoResumptionOnRenegotiation",
-            "MaxProtocol" => "TLSv1.2"
         },
         client => {
             "CipherString" => "AES128-SHA",
+            "MaxProtocol" => "TLSv1.2",
             extra => {
                 "RenegotiateCiphers" => "AES128-GCM-SHA256"
             }
@@ -152,10 +152,10 @@ our @tests_tls1_2 = (
         name => "renegotiate-non-aead-to-non-aead",
         server => {
             "Options" => "NoResumptionOnRenegotiation",
-            "MaxProtocol" => "TLSv1.2"
         },
         client => {
             "CipherString" => "AES128-SHA",
+            "MaxProtocol" => "TLSv1.2",
             extra => {
                 "RenegotiateCiphers" => "AES256-SHA"
             }
@@ -171,10 +171,10 @@ our @tests_tls1_2 = (
         name => "renegotiate-aead-to-aead",
         server => {
             "Options" => "NoResumptionOnRenegotiation",
-            "MaxProtocol" => "TLSv1.2"
         },
         client => {
             "CipherString" => "AES128-GCM-SHA256",
+            "MaxProtocol" => "TLSv1.2",
             extra => {
                 "RenegotiateCiphers" => "AES256-GCM-SHA384"
             }

diff --git a/test/ssl-tests/19-mac-then-encrypt.conf b/test/ssl-tests/19-mac-then-encrypt.conf
index bba44d1703bbc2dcc08f1d09dc3200443b308d31..0dd384ea6c90da067be5e5060417518f62b7d6c4 100644 (file)
--- a/test/ssl-tests/19-mac-then-encrypt.conf
+++ b/test/ssl-tests/19-mac-then-encrypt.conf
@@ -96,12 +96,12 @@ client = 3-disable-encrypt-then-mac-server-sha2-client
 [3-disable-encrypt-then-mac-server-sha2-server]
 Certificate = ${ENV::TEST_CERTS_DIR}/servercert.pem
 CipherString = DEFAULT
-MaxProtocol = TLSv1.2
 Options = -EncryptThenMac
 PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 
 [3-disable-encrypt-then-mac-server-sha2-client]
 CipherString = AES128-SHA256
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 

diff --git a/test/ssl-tests/19-mac-then-encrypt.conf.in b/test/ssl-tests/19-mac-then-encrypt.conf.in
index d51cfa3ea73e62465eab74612235b7e2ea65520b..dfe529c9cd5308688056097bc51b92b011f99ed3 100644 (file)
--- a/test/ssl-tests/19-mac-then-encrypt.conf.in
+++ b/test/ssl-tests/19-mac-then-encrypt.conf.in
@@ -61,10 +61,10 @@ my @tests_tls1_2 = (
         name => "disable-encrypt-then-mac-server-sha2",
         server => {
           "Options" => "-EncryptThenMac",
-          "MaxProtocol" => "TLSv1.2"
         },
         client => {
           "CipherString" => "AES128-SHA256",
+          "MaxProtocol" => "TLSv1.2"
         },
         test   => {
           "ExpectedResult" => "Success",

diff --git a/test/ssl-tests/20-cert-select.conf b/test/ssl-tests/20-cert-select.conf
index e787efc5f06c85630c916a55bcc3bac35546ec1a..d07a989c98103055cf2546b6461dacb0eefab6c1 100644 (file)
--- a/test/ssl-tests/20-cert-select.conf
+++ b/test/ssl-tests/20-cert-select.conf
@@ -34,6 +34,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 
 [0-ECDSA CipherString Selection-client]
 CipherString = aECDSA
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -62,6 +63,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 
 [1-RSA CipherString Selection-client]
 CipherString = aRSA
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 
@@ -88,6 +90,7 @@ PrivateKey = ${ENV::TEST_CERTS_DIR}/serverkey.pem
 
 [2-ECDSA CipherString Selection, no ECDSA certificate-client]
 CipherString = aECDSA
+MaxProtocol = TLSv1.2
 VerifyCAFile = ${ENV::TEST_CERTS_DIR}/rootcert.pem
 VerifyMode = Peer
 

diff --git a/test/ssl-tests/20-cert-select.conf.in b/test/ssl-tests/20-cert-select.conf.in
index 3d50f0220dc8aa70450aebc83630f073a1a55284..d333d5de63712f0078b71551c730a19e3b262f1f 100644 (file)
--- a/test/ssl-tests/20-cert-select.conf.in
+++ b/test/ssl-tests/20-cert-select.conf.in
@@ -21,6 +21,7 @@ our @tests = (
         server => $server,
         client => {
             "CipherString" => "aECDSA",
+            "MaxProtocol" => "TLSv1.2",
         },
         test   => {
             "ExpectedServerCertType" =>, "P-256",
@@ -33,6 +34,7 @@ our @tests = (
         server => $server,
         client => {
             "CipherString" => "aRSA",
+            "MaxProtocol" => "TLSv1.2",
         },
         test   => {
             "ExpectedServerCertType" =>, "RSA",
@@ -46,7 +48,8 @@ our @tests = (
             "MaxProtocol" => "TLSv1.2"
         },
         client => {
-            "CipherString" => "aECDSA"
+            "CipherString" => "aECDSA",
+            "MaxProtocol" => "TLSv1.2"
         },
         test   => {
             "ExpectedResult" => "ServerFail"