From b12f1e98e32ebb38b4f53e1284bc17350ffbdfed Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Tue, 17 Apr 2018 16:43:28 +0200 Subject: ssl: Avoid hardcoding of cipher suites and fix ECDH suite handling ECDH suite handling did not use the EC parameters form the certs as expected. Conflicts: lib/ssl/src/ssl_cipher.erl --- lib/ssl/src/ssl_cipher.erl | 336 ++++++++++++++++++++++------------------- lib/ssl/src/ssl_connection.erl | 11 +- lib/ssl/src/ssl_handshake.erl | 106 +++++++++---- lib/ssl/test/ssl_test_lib.erl | 29 +++- 4 files changed, 286 insertions(+), 196 deletions(-) diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl index 59cf05fd42..d482b27a8f 100644 --- a/lib/ssl/src/ssl_cipher.erl +++ b/lib/ssl/src/ssl_cipher.erl @@ -36,10 +36,11 @@ -export([security_parameters/2, security_parameters/3, suite_definition/1, 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, anonymous_suites/1, psk_suites/1, psk_suites_anon/1, srp_suites/0, - srp_suites_anon/0, rc4_suites/1, des_suites/1, openssl_suite/1, openssl_suite_name/1, - filter/2, filter_suites/1, filter_suites/2, + suite/1, suites/1, all_suites/1, crypto_support_filters/0, + anonymous_suites/1, psk_suites/1, psk_suites_anon/1, + srp_suites/0, srp_suites_anon/0, + rc4_suites/1, des_suites/1, openssl_suite/1, openssl_suite_name/1, + 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]). @@ -2016,39 +2017,25 @@ 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()]. @@ -2479,141 +2466,184 @@ 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_connection.erl b/lib/ssl/src/ssl_connection.erl index 64ecc29b97..49738b0329 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -1244,7 +1244,7 @@ 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)}}]; @@ -1344,11 +1344,14 @@ 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 8b1ea52ac9..35cd50a9a7 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -759,11 +759,12 @@ 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; @@ -801,7 +802,7 @@ 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) -> @@ -810,10 +811,12 @@ 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}}; _ -> @@ -1041,11 +1044,11 @@ 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 @@ -1993,25 +1996,26 @@ 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; @@ -2020,28 +2024,37 @@ 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; KeyExchange == psk; KeyExchange == dhe_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, @@ -2137,8 +2150,11 @@ 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); @@ -2350,3 +2366,27 @@ 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_test_lib.erl b/lib/ssl/test/ssl_test_lib.erl index 3ab917bbbc..04ee6ef1b1 100644 --- a/lib/ssl/test/ssl_test_lib.erl +++ b/lib/ssl/test/ssl_test_lib.erl @@ -1343,16 +1343,33 @@ 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) -> -- cgit v1.2.3