diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ssl/src/ssl_cipher.erl | 331 | ||||
| -rw-r--r-- | lib/ssl/src/ssl_config.erl | 8 | ||||
| -rw-r--r-- | lib/ssl/src/ssl_connection.erl | 11 | ||||
| -rw-r--r-- | lib/ssl/src/ssl_handshake.erl | 106 | ||||
| -rw-r--r-- | lib/ssl/test/ssl_ECC.erl | 6 | ||||
| -rw-r--r-- | lib/ssl/test/ssl_ECC_openssl_SUITE.erl | 84 | ||||
| -rw-r--r-- | lib/ssl/test/ssl_test_lib.erl | 79 | ||||
| -rw-r--r-- | lib/ssl/test/ssl_to_openssl_SUITE.erl | 90 |
8 files changed, 456 insertions, 259 deletions
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl index 28b26fd358..0956d3501d 100644 --- a/lib/ssl/src/ssl_cipher.erl +++ b/lib/ssl/src/ssl_cipher.erl @@ -37,10 +37,10 @@ erl_suite_definition/1, cipher_init/3, decipher/6, cipher/5, decipher_aead/6, cipher_aead/6, suite/1, suites/1, all_suites/1, crypto_support_filters/0, - ec_keyed_suites/0, chacha_suites/1, anonymous_suites/1, psk_suites/1, psk_suites_anon/1, + chacha_suites/1, anonymous_suites/1, psk_suites/1, psk_suites_anon/1, srp_suites/0, srp_suites_anon/0, rc4_suites/1, des_suites/1, rsa_suites/1, openssl_suite/1, openssl_suite_name/1, - filter/2, filter_suites/1, filter_suites/2, + filter/3, filter_suites/1, filter_suites/2, hash_algorithm/1, sign_algorithm/1, is_acceptable_hash/2, is_fallback/1, random_bytes/1, calc_mac_hash/4, is_stream_ciphersuite/1]). @@ -2212,39 +2212,25 @@ openssl_suite_name(Cipher) -> suite_definition(Cipher). %%-------------------------------------------------------------------- --spec filter(undefined | binary(), [cipher_suite()]) -> [cipher_suite()]. +-spec filter(undefined | binary(), [cipher_suite()], ssl_record:ssl_version()) -> [cipher_suite()]. %% %% Description: Select the cipher suites that can be used together with the %% supplied certificate. (Server side functionality) %%------------------------------------------------------------------- -filter(undefined, Ciphers) -> +filter(undefined, Ciphers, _) -> Ciphers; -filter(DerCert, Ciphers) -> +filter(DerCert, Ciphers0, Version) -> OtpCert = public_key:pkix_decode_cert(DerCert, otp), SigAlg = OtpCert#'OTPCertificate'.signatureAlgorithm, PubKeyInfo = OtpCert#'OTPCertificate'.tbsCertificate#'OTPTBSCertificate'.subjectPublicKeyInfo, PubKeyAlg = PubKeyInfo#'OTPSubjectPublicKeyInfo'.algorithm, - Ciphers1 = - case ssl_certificate:public_key_type(PubKeyAlg#'PublicKeyAlgorithm'.algorithm) of - rsa -> - filter_keyuse(OtpCert, ((Ciphers -- dsa_signed_suites()) -- ec_keyed_suites()) -- ecdh_suites(), - rsa_suites(), dhe_rsa_suites() ++ ecdhe_rsa_suites()); - dsa -> - (Ciphers -- rsa_keyed_suites()) -- ec_keyed_suites(); - ec -> - filter_keyuse(OtpCert, (Ciphers -- rsa_keyed_suites()) -- dsa_signed_suites(), - [], ecdhe_ecdsa_suites()) - end, - - case public_key:pkix_sign_types(SigAlg#'SignatureAlgorithm'.algorithm) of - {_, rsa} -> - Ciphers1 -- ecdsa_signed_suites(); - {_, dsa} -> - Ciphers1; - {_, ecdsa} -> - Ciphers1 -- rsa_signed_suites() - end. + Ciphers = filter_suites_pubkey( + ssl_certificate:public_key_type(PubKeyAlg#'PublicKeyAlgorithm'.algorithm), + Ciphers0, Version, OtpCert), + {_, Sign} = public_key:pkix_sign_types(SigAlg#'SignatureAlgorithm'.algorithm), + filter_suites_signature(Sign, Ciphers, Version). + %%-------------------------------------------------------------------- -spec filter_suites([erl_cipher_suite()] | [cipher_suite()], map()) -> [erl_cipher_suite()] | [cipher_suite()]. @@ -2676,141 +2662,184 @@ next_iv(Bin, IV) -> <<_:FirstPart/binary, NextIV:IVSz/binary>> = Bin, NextIV. -rsa_signed_suites() -> - dhe_rsa_suites() ++ rsa_suites() ++ - psk_rsa_suites() ++ srp_rsa_suites() ++ - ecdh_rsa_suites() ++ ecdhe_rsa_suites(). - -rsa_keyed_suites() -> - dhe_rsa_suites() ++ rsa_suites() ++ - psk_rsa_suites() ++ srp_rsa_suites() ++ - ecdhe_rsa_suites(). - -dhe_rsa_suites() -> - [?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, - ?TLS_DHE_RSA_WITH_AES_256_CBC_SHA, - ?TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, - ?TLS_DHE_RSA_WITH_AES_128_CBC_SHA, - ?TLS_DHE_RSA_WITH_DES_CBC_SHA, - ?TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, - ?TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, - ?TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 - ]. - -psk_rsa_suites() -> - [?TLS_RSA_PSK_WITH_AES_256_GCM_SHA384, - ?TLS_RSA_PSK_WITH_AES_128_GCM_SHA256, - ?TLS_RSA_PSK_WITH_AES_256_CBC_SHA384, - ?TLS_RSA_PSK_WITH_AES_128_CBC_SHA256, - ?TLS_RSA_PSK_WITH_AES_256_CBC_SHA, - ?TLS_RSA_PSK_WITH_AES_128_CBC_SHA, - ?TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA, - ?TLS_RSA_PSK_WITH_RC4_128_SHA]. -srp_rsa_suites() -> - [?TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA, - ?TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA]. - -rsa_suites() -> - [?TLS_RSA_WITH_AES_256_CBC_SHA256, - ?TLS_RSA_WITH_AES_256_CBC_SHA, - ?TLS_RSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_RSA_WITH_AES_128_CBC_SHA256, - ?TLS_RSA_WITH_AES_128_CBC_SHA, - ?TLS_RSA_WITH_RC4_128_SHA, - ?TLS_RSA_WITH_RC4_128_MD5, - ?TLS_RSA_WITH_DES_CBC_SHA, - ?TLS_RSA_WITH_AES_128_GCM_SHA256, - ?TLS_RSA_WITH_AES_256_GCM_SHA384]. - -ecdh_rsa_suites() -> - [?TLS_ECDH_RSA_WITH_NULL_SHA, - ?TLS_ECDH_RSA_WITH_RC4_128_SHA, - ?TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, - ?TLS_ECDH_RSA_WITH_AES_256_CBC_SHA, - ?TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256, - ?TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384, - ?TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256, - ?TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384]. - -ecdhe_rsa_suites() -> - [?TLS_ECDHE_RSA_WITH_NULL_SHA, - ?TLS_ECDHE_RSA_WITH_RC4_128_SHA, - ?TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, - ?TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, - ?TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, - ?TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, - ?TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, - ?TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, - ?TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256]. - -dsa_signed_suites() -> - dhe_dss_suites() ++ srp_dss_suites(). - -dhe_dss_suites() -> - [?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, - ?TLS_DHE_DSS_WITH_AES_256_CBC_SHA, - ?TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA, - ?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, - ?TLS_DHE_DSS_WITH_AES_128_CBC_SHA, - ?TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA, - ?TLS_DHE_DSS_WITH_AES_128_GCM_SHA256, - ?TLS_DHE_DSS_WITH_AES_256_GCM_SHA384]. - -srp_dss_suites() -> - [?TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA, - ?TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA, - ?TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA]. - -ec_keyed_suites() -> - ecdh_ecdsa_suites() ++ ecdhe_ecdsa_suites() - ++ ecdh_rsa_suites(). +filter_suites_pubkey(rsa, CiphersSuites0, Version, OtpCert) -> + KeyUses = key_uses(OtpCert), + CiphersSuites = filter_keyuse_suites(keyEncipherment, KeyUses, + (CiphersSuites0 -- ec_keyed_suites(CiphersSuites0)) + -- dss_keyed_suites(CiphersSuites0), + rsa_suites_encipher(CiphersSuites0)), + filter_keyuse_suites(digitalSignature, KeyUses, CiphersSuites, + rsa_signed_suites(CiphersSuites, Version)); +filter_suites_pubkey(dsa, Ciphers, _, _OtpCert) -> + (Ciphers -- rsa_keyed_suites(Ciphers)) -- ec_keyed_suites(Ciphers); +filter_suites_pubkey(ec, Ciphers, _, OtpCert) -> + Uses = key_uses(OtpCert), + filter_keyuse_suites(digitalSignature, Uses, + (Ciphers -- rsa_keyed_suites(Ciphers)) -- dss_keyed_suites(Ciphers), + ecdsa_sign_suites(Ciphers)). + +filter_suites_signature(rsa, Ciphers, Version) -> + Ciphers -- ecdsa_signed_suites(Ciphers, Version) -- dsa_signed_suites(Ciphers, Version); +filter_suites_signature(dsa, Ciphers, Version) -> + Ciphers -- ecdsa_signed_suites(Ciphers, Version) -- rsa_signed_suites(Ciphers, Version); +filter_suites_signature(ecdsa, Ciphers, Version) -> + Ciphers -- rsa_signed_suites(Ciphers, Version) -- dsa_signed_suites(Ciphers, Version). + + +%% From RFC 5246 - Section 7.4.2. Server Certificate +%% If the client provided a "signature_algorithms" extension, then all +%% certificates provided by the server MUST be signed by a +%% hash/signature algorithm pair that appears in that extension. Note +%% that this implies that a certificate containing a key for one +%% signature algorithm MAY be signed using a different signature +%% algorithm (for instance, an RSA key signed with a DSA key). This is +%% a departure from TLS 1.1, which required that the algorithms be the +%% same. +%% Note that this also implies that the DH_DSS, DH_RSA, +%% ECDH_ECDSA, and ECDH_RSA key exchange algorithms do not restrict the +%% algorithm used to sign the certificate. Fixed DH certificates MAY be +%% signed with any hash/signature algorithm pair appearing in the +%% extension. The names DH_DSS, DH_RSA, ECDH_ECDSA, and ECDH_RSA are +%% historical. +%% Note: DH_DSS and DH_RSA is not supported +rsa_signed({3,N}) when N >= 3 -> + fun(rsa) -> true; + (dhe_rsa) -> true; + (ecdhe_rsa) -> true; + (rsa_psk) -> true; + (srp_rsa) -> true; + (_) -> false + end; +rsa_signed(_) -> + fun(rsa) -> true; + (dhe_rsa) -> true; + (ecdhe_rsa) -> true; + (ecdh_rsa) -> true; + (rsa_psk) -> true; + (srp_rsa) -> true; + (_) -> false + end. +%% Cert should be signed by RSA +rsa_signed_suites(Ciphers, Version) -> + filter_suites(Ciphers, #{key_exchange_filters => [rsa_signed(Version)], + cipher_filters => [], + mac_filters => [], + prf_filters => []}). +ecdsa_signed({3,N}) when N >= 3 -> + fun(ecdhe_ecdsa) -> true; + (_) -> false + end; +ecdsa_signed(_) -> + fun(ecdhe_ecdsa) -> true; + (ecdh_ecdsa) -> true; + (_) -> false + end. + +%% Cert should be signed by ECDSA +ecdsa_signed_suites(Ciphers, Version) -> + filter_suites(Ciphers, #{key_exchange_filters => [ecdsa_signed(Version)], + cipher_filters => [], + mac_filters => [], + prf_filters => []}). + +rsa_keyed(dhe_rsa) -> + true; +rsa_keyed(rsa) -> + true; +rsa_keyed(rsa_psk) -> + true; +rsa_keyed(srp_rsa) -> + true; +rsa_keyed(ecdhe_rsa) -> + true; +rsa_keyed(_) -> + false. -ecdsa_signed_suites() -> - ecdh_ecdsa_suites() ++ ecdhe_ecdsa_suites(). +%% Certs key is an RSA key +rsa_keyed_suites(Ciphers) -> + filter_suites(Ciphers, #{key_exchange_filters => [fun(Kex) -> rsa_keyed(Kex) end], + cipher_filters => [], + mac_filters => [], + prf_filters => []}). + +%% RSA Certs key can be used for encipherment +rsa_suites_encipher(Ciphers) -> + filter_suites(Ciphers, #{key_exchange_filters => [fun(rsa) -> true; + (rsa_psk) -> true; + (_) -> false + end], + cipher_filters => [], + mac_filters => [], + prf_filters => []}). + +dss_keyed(dhe_dss) -> + true; +dss_keyed(spr_dss) -> + true; +dss_keyed(_) -> + false. + +%% Cert should be have DSS key (DSA) +dss_keyed_suites(Ciphers) -> + filter_suites(Ciphers, #{key_exchange_filters => [fun(Kex) -> dss_keyed(Kex) end], + cipher_filters => [], + mac_filters => [], + prf_filters => []}). + +%% Cert should be signed by DSS (DSA) +dsa_signed_suites(Ciphers, Version) -> + filter_suites(Ciphers, #{key_exchange_filters => [dsa_signed(Version)], + cipher_filters => [], + mac_filters => [], + prf_filters => []}). + +dsa_signed({3,N}) when N >= 3 -> + fun(dhe_dss) -> true; + (ecdhe_dss) -> true; + (_) -> false + end; +dsa_signed(_) -> + fun(dhe_dss) -> true; + (ecdh_dss) -> true; + (ecdhe_dss) -> true; + (_) -> false + end. -ecdh_suites() -> - ecdh_rsa_suites() ++ ecdh_ecdsa_suites(). +ec_keyed(ecdh_ecdsa) -> + true; +ec_keyed(ecdhe_ecdsa) -> + true; +ec_keyed(ecdh_rsa) -> + true; +ec_keyed(_) -> + false. -ecdh_ecdsa_suites() -> - [?TLS_ECDH_ECDSA_WITH_NULL_SHA, - ?TLS_ECDH_ECDSA_WITH_RC4_128_SHA, - ?TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, - ?TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA, - ?TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256, - ?TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384, - ?TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256, - ?TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384]. - -ecdhe_ecdsa_suites() -> - [?TLS_ECDHE_ECDSA_WITH_NULL_SHA, - ?TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, - ?TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA, - ?TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, - ?TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, - ?TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, - ?TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, - ?TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, - ?TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, - ?TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256]. - -filter_keyuse(OtpCert, Ciphers, Suites, SignSuites) -> +%% Certs key is an ECC key +ec_keyed_suites(Ciphers) -> + filter_suites(Ciphers, #{key_exchange_filters => [fun(Kex) -> ec_keyed(Kex) end], + cipher_filters => [], + mac_filters => [], + prf_filters => []}). + +%% EC Certs key can be used for signing +ecdsa_sign_suites(Ciphers)-> + filter_suites(Ciphers, #{key_exchange_filters => [fun(ecdhe_ecdsa) -> true; + (_) -> false + end], + cipher_filters => [], + mac_filters => [], + prf_filters => []}). + +key_uses(OtpCert) -> TBSCert = OtpCert#'OTPCertificate'.tbsCertificate, TBSExtensions = TBSCert#'OTPTBSCertificate'.extensions, Extensions = ssl_certificate:extensions_list(TBSExtensions), case ssl_certificate:select_extension(?'id-ce-keyUsage', Extensions) of undefined -> - Ciphers; - #'Extension'{extnValue = KeyUse} -> - Result = filter_keyuse_suites(keyEncipherment, - KeyUse, Ciphers, Suites), - filter_keyuse_suites(digitalSignature, - KeyUse, Result, SignSuites) + undefined; + #'Extension'{extnValue = KeyUses} -> + KeyUses end. filter_keyuse_suites(Use, KeyUse, CipherSuits, Suites) -> diff --git a/lib/ssl/src/ssl_config.erl b/lib/ssl/src/ssl_config.erl index 022fb7eac0..452a98e683 100644 --- a/lib/ssl/src/ssl_config.erl +++ b/lib/ssl/src/ssl_config.erl @@ -132,7 +132,13 @@ private_key(#'PrivateKeyInfo'{privateKeyAlgorithm = #'PrivateKeyInfo_privateKeyAlgorithm'{algorithm = ?'id-dsa'}, privateKey = Key}) -> public_key:der_decode('DSAPrivateKey', iolist_to_binary(Key)); - +private_key(#'PrivateKeyInfo'{privateKeyAlgorithm = + #'PrivateKeyInfo_privateKeyAlgorithm'{algorithm = ?'id-ecPublicKey', + parameters = {asn1_OPENTYPE, Parameters}}, + privateKey = Key}) -> + ECKey = public_key:der_decode('ECPrivateKey', iolist_to_binary(Key)), + ECParameters = public_key:der_decode('EcpkParameters', Parameters), + ECKey#'ECPrivateKey'{parameters = ECParameters}; private_key(Key) -> Key. diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index 3f8c1f97f9..ec034af44c 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -1472,7 +1472,7 @@ connection_info(#state{sni_hostname = SNIHostname, RecordCB = record_cb(Connection), CipherSuiteDef = #{key_exchange := KexAlg} = ssl_cipher:suite_definition(CipherSuite), IsNamedCurveSuite = lists:member(KexAlg, - [ecdh_ecdsa, ecdhe_ecdsa, ecdh_anon]), + [ecdh_ecdsa, ecdhe_ecdsa, ecdh_rsa, ecdh_anon]), CurveInfo = case ECCCurve of {namedCurve, Curve} when IsNamedCurveSuite -> [{ecc, {named_curve, pubkey_cert_records:namedCurves(Curve)}}]; @@ -1572,11 +1572,14 @@ handle_peer_cert(Role, PeerCert, PublicKeyInfo, handle_peer_cert_key(client, _, {?'id-ecPublicKey', #'ECPoint'{point = _ECPoint} = PublicKey, PublicKeyParams}, - KeyAlg, State) when KeyAlg == ecdh_rsa; - KeyAlg == ecdh_ecdsa -> + KeyAlg, #state{session = Session} = State) when KeyAlg == ecdh_rsa; + KeyAlg == ecdh_ecdsa -> ECDHKey = public_key:generate_key(PublicKeyParams), + {namedCurve, Oid} = PublicKeyParams, + Curve = pubkey_cert_records:namedCurves(Oid), %% Need API function PremasterSecret = ssl_handshake:premaster_secret(PublicKey, ECDHKey), - master_secret(PremasterSecret, State#state{diffie_hellman_keys = ECDHKey}); + master_secret(PremasterSecret, State#state{diffie_hellman_keys = ECDHKey, + session = Session#session{ecc = {named_curve, Curve}}}); %% We do currently not support cipher suites that use fixed DH. %% If we want to implement that the following clause can be used %% to extract DH parameters form cert. diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl index 8ddd4623c1..090e7b69b7 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -772,11 +772,12 @@ available_suites(UserSuites, Version) -> lists:filtermap(fun(Suite) -> lists:member(Suite, VersionSuites) end, UserSuites). available_suites(ServerCert, UserSuites, Version, undefined, Curve) -> - ssl_cipher:filter(ServerCert, available_suites(UserSuites, Version)) - -- unavailable_ecc_suites(Curve); + Suites = ssl_cipher:filter(ServerCert, available_suites(UserSuites, Version), Version), + filter_unavailable_ecc_suites(Curve, Suites); available_suites(ServerCert, UserSuites, Version, HashSigns, Curve) -> Suites = available_suites(ServerCert, UserSuites, Version, undefined, Curve), - filter_hashsigns(Suites, [ssl_cipher:suite_definition(Suite) || Suite <- Suites], HashSigns, []). + filter_hashsigns(Suites, [ssl_cipher:suite_definition(Suite) || Suite <- Suites], HashSigns, + Version, []). available_signature_algs(undefined, _) -> undefined; @@ -814,7 +815,7 @@ prf({3,0}, _, _, _, _, _) -> prf({3,_N}, PRFAlgo, Secret, Label, Seed, WantedLength) -> {ok, tls_v1:prf(PRFAlgo, Secret, Label, Seed, WantedLength)}. -select_session(SuggestedSessionId, CipherSuites, HashSigns, Compressions, Port, #session{ecc = ECCCurve} = +select_session(SuggestedSessionId, CipherSuites, HashSigns, Compressions, Port, #session{ecc = ECCCurve0} = Session, Version, #ssl_options{ciphers = UserSuites, honor_cipher_order = HonorCipherOrder} = SslOpts, Cache, CacheCb, Cert) -> @@ -823,10 +824,12 @@ select_session(SuggestedSessionId, CipherSuites, HashSigns, Compressions, Port, Cache, CacheCb), case Resumed of undefined -> - Suites = available_suites(Cert, UserSuites, Version, HashSigns, ECCCurve), - CipherSuite = select_cipher_suite(CipherSuites, Suites, HonorCipherOrder), + Suites = available_suites(Cert, UserSuites, Version, HashSigns, ECCCurve0), + CipherSuite0 = select_cipher_suite(CipherSuites, Suites, HonorCipherOrder), + {ECCCurve, CipherSuite} = cert_curve(Cert, ECCCurve0, CipherSuite0), Compression = select_compression(Compressions), {new, Session#session{session_id = SessionId, + ecc = ECCCurve, cipher_suite = CipherSuite, compression_method = Compression}}; _ -> @@ -1066,11 +1069,11 @@ select_hashsign(#hash_sign_algos{hash_sign_algos = HashSigns}, Cert, KeyExAlgo, TBSCert#'OTPTBSCertificate'.subjectPublicKeyInfo, Sign = sign_algo(SignAlgo), - SubSing = sign_algo(SubjAlgo), - - case lists:filter(fun({_, S} = Algos) when S == Sign -> + SubSign = sign_algo(SubjAlgo), + + case lists:filter(fun({_, S} = Algos) when S == SubSign -> is_acceptable_hash_sign(Algos, Sign, - SubSing, KeyExAlgo, SupportedHashSigns); + SubSign, KeyExAlgo, SupportedHashSigns); (_) -> false end, HashSigns) of @@ -2075,25 +2078,26 @@ handle_psk_identity(_PSKIdentity, LookupFun) handle_psk_identity(PSKIdentity, {Fun, UserState}) -> Fun(psk, PSKIdentity, UserState). -filter_hashsigns([], [], _, Acc) -> - lists:reverse(Acc); -filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], HashSigns, - Acc) when KeyExchange == dhe_ecdsa; - KeyExchange == ecdhe_ecdsa -> - do_filter_hashsigns(ecdsa, Suite, Suites, Algos, HashSigns, Acc); -filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], HashSigns, +filter_hashsigns([], [], _, _, Acc) -> + lists:reverse(Acc); +filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], HashSigns, Version, + Acc) when KeyExchange == dhe_ecdsa; + KeyExchange == ecdhe_ecdsa -> + do_filter_hashsigns(ecdsa, Suite, Suites, Algos, HashSigns, Version, Acc); +filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], HashSigns, Version, Acc) when KeyExchange == rsa; KeyExchange == dhe_rsa; KeyExchange == ecdhe_rsa; KeyExchange == srp_rsa; KeyExchange == rsa_psk -> - do_filter_hashsigns(rsa, Suite, Suites, Algos, HashSigns, Acc); -filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], HashSigns, Acc) when + do_filter_hashsigns(rsa, Suite, Suites, Algos, HashSigns, Version, Acc); +filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], HashSigns, Version, Acc) when KeyExchange == dhe_dss; KeyExchange == srp_dss -> - do_filter_hashsigns(dsa, Suite, Suites, Algos, HashSigns, Acc); -filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], HashSigns, Acc) when + do_filter_hashsigns(dsa, Suite, Suites, Algos, HashSigns, Version, Acc); +filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], HashSigns, Verion, + Acc) when KeyExchange == dh_dss; KeyExchange == dh_rsa; KeyExchange == dh_ecdsa; @@ -2102,8 +2106,9 @@ filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], Has %% Fixed DH certificates MAY be signed with any hash/signature %% algorithm pair appearing in the hash_sign extension. The names %% DH_DSS, DH_RSA, ECDH_ECDSA, and ECDH_RSA are historical. - filter_hashsigns(Suites, Algos, HashSigns, [Suite| Acc]); -filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], HashSigns, Acc) when + filter_hashsigns(Suites, Algos, HashSigns, Verion, [Suite| Acc]); +filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], HashSigns, Version, + Acc) when KeyExchange == dh_anon; KeyExchange == ecdh_anon; KeyExchange == srp_anon; @@ -2111,20 +2116,28 @@ filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], Has KeyExchange == dhe_psk; KeyExchange == ecdhe_psk -> %% In this case hashsigns is not used as the kexchange is anonaymous - filter_hashsigns(Suites, Algos, HashSigns, [Suite| Acc]). + filter_hashsigns(Suites, Algos, HashSigns, Version, [Suite| Acc]). -do_filter_hashsigns(SignAlgo, Suite, Suites, Algos, HashSigns, Acc) -> +do_filter_hashsigns(SignAlgo, Suite, Suites, Algos, HashSigns, Version, Acc) -> case lists:keymember(SignAlgo, 2, HashSigns) of true -> - filter_hashsigns(Suites, Algos, HashSigns, [Suite| Acc]); + filter_hashsigns(Suites, Algos, HashSigns, Version, [Suite| Acc]); false -> - filter_hashsigns(Suites, Algos, HashSigns, Acc) + filter_hashsigns(Suites, Algos, HashSigns, Version, Acc) end. -unavailable_ecc_suites(no_curve) -> - ssl_cipher:ec_keyed_suites(); -unavailable_ecc_suites(_) -> - []. +filter_unavailable_ecc_suites(no_curve, Suites) -> + ECCSuites = ssl_cipher:filter_suites(Suites, #{key_exchange_filters => [fun(ecdh_ecdsa) -> true; + (ecdhe_ecdsa) -> true; + (ecdh_rsa) -> true; + (_) -> false + end], + cipher_filters => [], + mac_filters => [], + prf_filters => []}), + Suites -- ECCSuites; +filter_unavailable_ecc_suites(_, Suites) -> + Suites. %%-------------Extension handling -------------------------------- handle_renegotiation_extension(Role, RecordCB, Version, Info, Random, NegotiatedCipherSuite, @@ -2220,8 +2233,11 @@ sign_algo(Alg) -> is_acceptable_hash_sign(Algos, _, _, KeyExAlgo, SupportedHashSigns) when KeyExAlgo == dh_dss; KeyExAlgo == dh_rsa; - KeyExAlgo == dh_ecdsa -> - %% dh_* could be called only dh in TLS-1.2 + KeyExAlgo == ecdh_ecdsa; + KeyExAlgo == ecdh_rsa; + KeyExAlgo == ecdh_ecdsa + -> + %% *dh_* could be called only *dh in TLS-1.2 is_acceptable_hash_sign(Algos, SupportedHashSigns); is_acceptable_hash_sign(Algos, rsa, ecdsa, ecdh_rsa, SupportedHashSigns) -> is_acceptable_hash_sign(Algos, SupportedHashSigns); @@ -2436,3 +2452,27 @@ handle_renegotiation_info(_RecordCB, ConnectionStates, SecureRenegotation) -> {false, false} -> {ok, ConnectionStates} end. + +cert_curve(_, _, no_suite) -> + {no_curve, no_suite}; +cert_curve(Cert, ECCCurve0, CipherSuite) -> + case ssl_cipher:suite_definition(CipherSuite) of + #{key_exchange := Kex} when Kex == ecdh_ecdsa; + Kex == ecdh_rsa -> + OtpCert = public_key:pkix_decode_cert(Cert, otp), + TBSCert = OtpCert#'OTPCertificate'.tbsCertificate, + #'OTPSubjectPublicKeyInfo'{algorithm = AlgInfo} + = TBSCert#'OTPTBSCertificate'.subjectPublicKeyInfo, + {namedCurve, Oid} = AlgInfo#'PublicKeyAlgorithm'.parameters, + try pubkey_cert_records:namedCurves(Oid) of + Curve -> + {{named_curve, Curve}, CipherSuite} + catch + _:_ -> + {no_curve, no_suite} + end; + _ -> + {ECCCurve0, CipherSuite} + end. + + diff --git a/lib/ssl/test/ssl_ECC.erl b/lib/ssl/test/ssl_ECC.erl index 489a72e50e..2096cf8166 100644 --- a/lib/ssl/test/ssl_ECC.erl +++ b/lib/ssl/test/ssl_ECC.erl @@ -89,7 +89,7 @@ client_ecdhe_ecdsa_server_ecdhe_rsa(Config) when is_list(Config) -> %% ECDH_ECDSA client_ecdh_ecdsa_server_ecdh_ecdsa(Config) when is_list(Config) -> - Ext = x509_test:extensions([{key_usage, [keyEncipherment]}]), + Ext = x509_test:extensions([{key_usage, [keyAgreement]}]), {COpts, SOpts} = ssl_test_lib:make_ec_cert_chains([{server_chain, [[], [], [{extensions, Ext}]]}, {client_chain, @@ -99,7 +99,7 @@ client_ecdh_ecdsa_server_ecdh_ecdsa(Config) when is_list(Config) -> ssl_test_lib:ssl_options(SOpts, Config), [{check_keyex, ecdh_ecdsa} | proplists:delete(check_keyex, Config)]). client_ecdhe_rsa_server_ecdh_ecdsa(Config) when is_list(Config) -> - Ext = x509_test:extensions([{key_usage, [keyEncipherment]}]), + Ext = x509_test:extensions([{key_usage, [keyAgreement]}]), {COpts, SOpts} = ssl_test_lib:make_ec_cert_chains([{server_chain, [[], [], [{extensions, Ext}]]}, {client_chain, @@ -110,7 +110,7 @@ client_ecdhe_rsa_server_ecdh_ecdsa(Config) when is_list(Config) -> [{check_keyex, ecdh_ecdsa} | proplists:delete(check_keyex, Config)]). client_ecdhe_ecdsa_server_ecdh_ecdsa(Config) when is_list(Config) -> - Ext = x509_test:extensions([{key_usage, [keyEncipherment]}]), + Ext = x509_test:extensions([{key_usage, [keyAgreement]}]), {COpts, SOpts} = ssl_test_lib:make_ec_cert_chains([{server_chain, [[], [], [{extensions, Ext}]]}, {client_chain, diff --git a/lib/ssl/test/ssl_ECC_openssl_SUITE.erl b/lib/ssl/test/ssl_ECC_openssl_SUITE.erl index ba609aa0dc..280fa94ecb 100644 --- a/lib/ssl/test/ssl_ECC_openssl_SUITE.erl +++ b/lib/ssl/test/ssl_ECC_openssl_SUITE.erl @@ -33,39 +33,57 @@ %%-------------------------------------------------------------------- all() -> - [ - {group, 'tlsv1.2'}, - {group, 'tlsv1.1'}, - {group, 'tlsv1'}, - {group, 'dtlsv1.2'}, - {group, 'dtlsv1'} - ]. + case test_cases() of + [_|_] -> + all_groups(); + [] -> + [skip] + end. + +all_groups() -> + case ssl_test_lib:openssl_sane_dtls() of + true -> + [{group, 'tlsv1.2'}, + {group, 'tlsv1.1'}, + {group, 'tlsv1'}, + {group, 'dtlsv1.2'}, + {group, 'dtlsv1'}]; + false -> + [{group, 'tlsv1.2'}, + {group, 'tlsv1.1'}, + {group, 'tlsv1'}] + end. groups() -> - [ - {'tlsv1.2', [], test_cases()}, - {'tlsv1.1', [], test_cases()}, - {'tlsv1', [], test_cases()}, - {'dtlsv1.2', [], test_cases()}, - {'dtlsv1', [], test_cases()} - ]. + case ssl_test_lib:openssl_sane_dtls() of + true -> + [{'tlsv1.2', [], test_cases()}, + {'tlsv1.1', [], test_cases()}, + {'tlsv1', [], test_cases()}, + {'dtlsv1.2', [], test_cases()}, + {'dtlsv1', [], test_cases()}]; + false -> + [{'tlsv1.2', [], test_cases()}, + {'tlsv1.1', [], test_cases()}, + {'tlsv1', [], test_cases()}] + end. test_cases()-> - %% cert_combinations(). - server_ecdh_rsa(). + cert_combinations(). + cert_combinations() -> - lists:append(lists:filtermap(fun({Name, Suites}) -> - case ssl_test_lib:openssl_filter(Name) of - [] -> - false; - [_|_] -> - {true, Suites} - end - end, [{"ECDH-RSA", server_ecdh_rsa()}, - {"ECDHE-RSA", server_ecdhe_rsa()}, - {"ECDH-ECDSA", server_ecdh_ecdsa()}, - {"ECDHE-ECDSA", server_ecdhe_ecdsa()} - ])). + lists:append(lists:map(fun({Name, Suites}) -> + case ssl_test_lib:openssl_filter(Name) of + [] -> + []; + [_|_] -> + Suites + end + end, [{"ECDH-ECDSA", server_ecdh_ecdsa()}, + {"ECDH-RSA", server_ecdh_rsa()}, + {"ECDHE-RSA", server_ecdhe_rsa()}, + {"ECDHE-ECDSA", server_ecdhe_ecdsa()} + ])). server_ecdh_rsa() -> [client_ecdh_rsa_server_ecdh_rsa, client_ecdhe_rsa_server_ecdh_rsa, @@ -91,11 +109,11 @@ init_per_suite(Config0) -> end_per_suite(Config0), try crypto:start() of ok -> - case ssl_test_lib:sufficient_crypto_support(cipher_ec) of + case ssl_test_lib:sufficient_crypto_support(cipher_ec) of true -> Config0; false -> - {skip, "Crypto does not support ECC"} + {skip, "Openssl does not support ECC"} end catch _:_ -> {skip, "Crypto did not start"} @@ -131,7 +149,8 @@ end_per_group(GroupName, Config0) -> end. %%-------------------------------------------------------------------- - +init_per_testcase(skip, Config) -> + Config; init_per_testcase(TestCase, Config) -> ssl_test_lib:ct_log_supported_protocol_versions(Config), Version = proplists:get_value(tls_version, Config), @@ -149,6 +168,9 @@ end_per_testcase(_TestCase, Config) -> %% Test Cases -------------------------------------------------------- %%-------------------------------------------------------------------- +skip(Config) when is_list(Config) -> + {skip, openssl_does_not_support_ECC}. + %% Test diffrent certificate chain types, note that it is the servers %% chain that affect what cipher suit that will be choosen diff --git a/lib/ssl/test/ssl_test_lib.erl b/lib/ssl/test/ssl_test_lib.erl index 3a7e844cf8..4022f49077 100644 --- a/lib/ssl/test/ssl_test_lib.erl +++ b/lib/ssl/test/ssl_test_lib.erl @@ -1434,16 +1434,33 @@ sufficient_crypto_support(_) -> check_key_exchange_send_active(Socket, false) -> send_recv_result_active(Socket); check_key_exchange_send_active(Socket, KeyEx) -> - {ok, [{cipher_suite, Suite}]} = ssl:connection_information(Socket, [cipher_suite]), - true = check_key_exchange(Suite, KeyEx), + {ok, Info} = + ssl:connection_information(Socket, [cipher_suite, protocol]), + Suite = proplists:get_value(cipher_suite, Info), + Version = proplists:get_value(protocol, Info), + true = check_key_exchange(Suite, KeyEx, Version), send_recv_result_active(Socket). -check_key_exchange({KeyEx,_, _}, KeyEx) -> +check_key_exchange({KeyEx,_, _}, KeyEx, _) -> true; -check_key_exchange({KeyEx,_,_,_}, KeyEx) -> +check_key_exchange({KeyEx,_,_,_}, KeyEx, _) -> true; -check_key_exchange(KeyEx1, KeyEx2) -> - ct:pal("Negotiated ~p Expected ~p", [KeyEx1, KeyEx2]), +check_key_exchange(KeyEx1, KeyEx2, Version) -> + case Version of + 'tlsv1.2' -> + v_1_2_check(element(1, KeyEx1), KeyEx2); + 'dtlsv1.2' -> + v_1_2_check(element(1, KeyEx1), KeyEx2); + _ -> + ct:pal("Negotiated ~p Expected ~p", [KeyEx1, KeyEx2]), + false + end. + +v_1_2_check(ecdh_ecdsa, ecdh_rsa) -> + true; +v_1_2_check(ecdh_rsa, ecdh_ecdsa) -> + true; +v_1_2_check(_, _) -> false. send_recv_result_active(Socket) -> @@ -1567,12 +1584,60 @@ openssl_dsa_support() -> true end. +%% Acctual support is tested elsewhere, this is to exclude some LibreSSL and OpenSSL versions +openssl_sane_dtls() -> + case os:cmd("openssl version") of + "OpenSSL 0." ++ _ -> + false; + "OpenSSL 1.0.1s-freebsd" ++ _ -> + false; + "OpenSSL 1.0.2k-freebsd" ++ _ -> + false; + "OpenSSL 1.0.2d" ++ _ -> + false; + "OpenSSL 1.0.2n" ++ _ -> + false; + "OpenSSL 1.0.0" ++ _ -> + false; + "OpenSSL" ++ _ -> + true; + "LibreSSL 2.7" ++ _ -> + true; + _ -> + false + end. +openssl_sane_client_cert() -> + case os:cmd("openssl version") of + "LibreSSL 2.5.2" ++ _ -> + true; + "LibreSSL 2.4" ++ _ -> + false; + "LibreSSL 2.3" ++ _ -> + false; + "LibreSSL 2.1" ++ _ -> + false; + "LibreSSL 2.0" ++ _ -> + false; + "LibreSSL 2.0" ++ _ -> + false; + "OpenSSL 1.0.1s-freebsd" -> + false; + "OpenSSL 1.0.0" ++ _ -> + false; + _ -> + true + end. + check_sane_openssl_version(Version) -> case supports_ssl_tls_version(Version) of true -> case {Version, os:cmd("openssl version")} of {'sslv3', "OpenSSL 1.0.2" ++ _} -> false; + {'dtlsv1', _} -> + not is_fips(openssl); + {'dtlsv1.2', _} -> + not is_fips(openssl); {_, "OpenSSL 1.0.2" ++ _} -> true; {_, "OpenSSL 1.0.1" ++ _} -> @@ -1581,7 +1646,7 @@ check_sane_openssl_version(Version) -> false; {'tlsv1.1', "OpenSSL 1.0.0" ++ _} -> false; - {'dtlsv1.2', "OpenSSL 1.0.0" ++ _} -> + {'dtlsv1.2', "OpenSSL 1.0.2" ++ _} -> false; {'dtlsv1', "OpenSSL 1.0.0" ++ _} -> false; diff --git a/lib/ssl/test/ssl_to_openssl_SUITE.erl b/lib/ssl/test/ssl_to_openssl_SUITE.erl index 9c60a6315e..a2e8ef8be0 100644 --- a/lib/ssl/test/ssl_to_openssl_SUITE.erl +++ b/lib/ssl/test/ssl_to_openssl_SUITE.erl @@ -37,26 +37,43 @@ %%-------------------------------------------------------------------- all() -> - [ - {group, basic}, - {group, 'tlsv1.2'}, - {group, 'tlsv1.1'}, - {group, 'tlsv1'}, - {group, 'sslv3'}, - {group, 'dtlsv1.2'}, - {group, 'dtlsv1'} - ]. + case ssl_test_lib:openssl_sane_dtls() of + true -> + [{group, basic}, + {group, 'tlsv1.2'}, + {group, 'tlsv1.1'}, + {group, 'tlsv1'}, + {group, 'sslv3'}, + {group, 'dtlsv1.2'}, + {group, 'dtlsv1'}]; + false -> + [{group, basic}, + {group, 'tlsv1.2'}, + {group, 'tlsv1.1'}, + {group, 'tlsv1'}, + {group, 'sslv3'}] + end. groups() -> - [{basic, [], basic_tests()}, - {'tlsv1.2', [], all_versions_tests() ++ alpn_tests() ++ npn_tests() ++ sni_server_tests()}, - {'tlsv1.1', [], all_versions_tests() ++ alpn_tests() ++ npn_tests() ++ sni_server_tests()}, - {'tlsv1', [], all_versions_tests()++ alpn_tests() ++ npn_tests() ++ sni_server_tests()}, - {'sslv3', [], all_versions_tests()}, - {'dtlsv1.2', [], dtls_all_versions_tests()}, - {'dtlsv1', [], dtls_all_versions_tests()} - ]. - + case ssl_test_lib:openssl_sane_dtls() of + true -> + [{basic, [], basic_tests()}, + {'tlsv1.2', [], all_versions_tests() ++ alpn_tests() ++ npn_tests() ++ sni_server_tests()}, + {'tlsv1.1', [], all_versions_tests() ++ alpn_tests() ++ npn_tests() ++ sni_server_tests()}, + {'tlsv1', [], all_versions_tests()++ alpn_tests() ++ npn_tests() ++ sni_server_tests()}, + {'sslv3', [], all_versions_tests()}, + {'dtlsv1.2', [], dtls_all_versions_tests()}, + {'dtlsv1', [], dtls_all_versions_tests()} + ]; + false -> + [{basic, [], basic_tests()}, + {'tlsv1.2', [], all_versions_tests() ++ alpn_tests() ++ npn_tests() ++ sni_server_tests()}, + {'tlsv1.1', [], all_versions_tests() ++ alpn_tests() ++ npn_tests() ++ sni_server_tests()}, + {'tlsv1', [], all_versions_tests()++ alpn_tests() ++ npn_tests() ++ sni_server_tests()}, + {'sslv3', [], all_versions_tests()} + ] + end. + basic_tests() -> [basic_erlang_client_openssl_server, basic_erlang_server_openssl_client, @@ -85,9 +102,20 @@ all_versions_tests() -> expired_session, ssl2_erlang_server_openssl_client ]. + dtls_all_versions_tests() -> - [ - erlang_client_openssl_server, + case ssl_test_lib:openssl_sane_client_cert() of + true -> + [erlang_server_openssl_client_client_cert, + erlang_client_openssl_server_no_server_ca_cert, + erlang_client_openssl_server_client_cert + | dtls_all_versions_tests_2()]; + false -> + dtls_all_versions_tests_2() + end. + +dtls_all_versions_tests_2() -> + [erlang_client_openssl_server, erlang_server_openssl_client, erlang_client_openssl_server_dsa_cert, erlang_server_openssl_client_dsa_cert, @@ -98,12 +126,8 @@ dtls_all_versions_tests() -> erlang_client_openssl_server_renegotiate, erlang_client_openssl_server_nowrap_seqnum, erlang_server_openssl_client_nowrap_seqnum, - erlang_client_openssl_server_no_server_ca_cert, - erlang_client_openssl_server_client_cert, - erlang_server_openssl_client_client_cert, ciphers_rsa_signed_certs, ciphers_dsa_signed_certs - %%erlang_client_bad_openssl_server, %%expired_session ]. @@ -167,7 +191,15 @@ end_per_suite(_Config) -> application:stop(crypto). init_per_group(basic, Config0) -> - ssl_test_lib:clean_tls_version(Config0); + case ssl_test_lib:supports_ssl_tls_version('tlsv1.2') + orelse ssl_test_lib:supports_ssl_tls_version('tlsv1.1') + orelse ssl_test_lib:supports_ssl_tls_version('tlsv1') + of + true -> + ssl_test_lib:clean_tls_version(Config0); + false -> + {skip, "only sslv3 supported by OpenSSL"} + end; init_per_group(GroupName, Config) -> case ssl_test_lib:is_tls_version(GroupName) of @@ -381,7 +413,7 @@ basic_erlang_server_openssl_client(Config) when is_list(Config) -> Exe = "openssl", Args = ["s_client", "-connect", hostname_format(Hostname) ++ - ":" ++ integer_to_list(Port) ++ no_v2_flag() | workaround_openssl_s_clinent()], + ":" ++ integer_to_list(Port) ++ no_low_flag() | workaround_openssl_s_clinent()], OpenSslPort = ssl_test_lib:portable_open_port(Exe, Args), true = port_command(OpenSslPort, Data), @@ -1963,10 +1995,10 @@ hostname_format(Hostname) -> "localhost" end. -no_v2_flag() -> +no_low_flag() -> case ssl_test_lib:supports_ssl_tls_version(sslv2) of true -> - " -no_ssl2 "; + " -no_ssl2 -no_ssl3"; false -> - "" + " -no_ssl3" end. |