diff options
Diffstat (limited to 'lib/ssl/src/ssl_cipher.erl')
| -rw-r--r-- | lib/ssl/src/ssl_cipher.erl | 320 |
1 files changed, 226 insertions, 94 deletions
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl index d43d312be8..567690a413 100644 --- a/lib/ssl/src/ssl_cipher.erl +++ b/lib/ssl/src/ssl_cipher.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2011. All Rights Reserved. +%% Copyright Ericsson AB 2007-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -28,25 +28,27 @@ -include("ssl_internal.hrl"). -include("ssl_record.hrl"). -include("ssl_cipher.hrl"). +-include("ssl_handshake.hrl"). -include("ssl_alert.hrl"). -include_lib("public_key/include/public_key.hrl"). --export([security_parameters/2, suite_definition/1, - decipher/5, cipher/4, +-export([security_parameters/3, suite_definition/1, + decipher/5, cipher/5, suite/1, suites/1, anonymous_suites/0, - openssl_suite/1, openssl_suite_name/1, filter/2]). + openssl_suite/1, openssl_suite_name/1, filter/2, + hash_algorithm/1, sign_algorithm/1]). -compile(inline). %%-------------------------------------------------------------------- --spec security_parameters(cipher_suite(), #security_parameters{}) -> +-spec security_parameters(tls_version(), cipher_suite(), #security_parameters{}) -> #security_parameters{}. %% %% Description: Returns a security parameters record where the %% cipher values has been updated according to <CipherSuite> %%------------------------------------------------------------------- -security_parameters(CipherSuite, SecParams) -> - { _, Cipher, Hash} = suite_definition(CipherSuite), +security_parameters(Version, CipherSuite, SecParams) -> + { _, Cipher, Hash, PrfHashAlg} = suite_definition(CipherSuite), SecParams#security_parameters{ cipher_suite = CipherSuite, bulk_cipher_algorithm = bulk_cipher_algorithm(Cipher), @@ -55,20 +57,21 @@ security_parameters(CipherSuite, SecParams) -> expanded_key_material_length = expanded_key_material(Cipher), key_material_length = key_material(Cipher), iv_size = iv_size(Cipher), - mac_algorithm = mac_algorithm(Hash), + mac_algorithm = hash_algorithm(Hash), + prf_algorithm = prf_algorithm(PrfHashAlg, Version), hash_size = hash_size(Hash)}. %%-------------------------------------------------------------------- --spec cipher(cipher_enum(), #cipher_state{}, binary(), binary()) -> +-spec cipher(cipher_enum(), #cipher_state{}, binary(), binary(), tls_version()) -> {binary(), #cipher_state{}}. %% %% Description: Encrypts the data and the MAC using chipher described %% by cipher_enum() and updating the cipher state %%------------------------------------------------------------------- -cipher(?NULL, CipherState, <<>>, Fragment) -> +cipher(?NULL, CipherState, <<>>, Fragment, _Version) -> GenStreamCipherList = [Fragment, <<>>], {GenStreamCipherList, CipherState}; -cipher(?RC4, CipherState, Mac, Fragment) -> +cipher(?RC4, CipherState, Mac, Fragment, _Version) -> State0 = case CipherState#cipher_state.state of undefined -> crypto:rc4_set_key(CipherState#cipher_state.key); S -> S @@ -76,32 +79,41 @@ cipher(?RC4, CipherState, Mac, Fragment) -> GenStreamCipherList = [Fragment, Mac], {State1, T} = crypto:rc4_encrypt_with_state(State0, GenStreamCipherList), {T, CipherState#cipher_state{state = State1}}; -cipher(?DES, CipherState, Mac, Fragment) -> +cipher(?DES, CipherState, Mac, Fragment, Version) -> block_cipher(fun(Key, IV, T) -> crypto:des_cbc_encrypt(Key, IV, T) - end, block_size(des_cbc), CipherState, Mac, Fragment); -cipher(?'3DES', CipherState, Mac, Fragment) -> + end, block_size(des_cbc), CipherState, Mac, Fragment, Version); +cipher(?'3DES', CipherState, Mac, Fragment, Version) -> block_cipher(fun(<<K1:8/binary, K2:8/binary, K3:8/binary>>, IV, T) -> crypto:des3_cbc_encrypt(K1, K2, K3, IV, T) - end, block_size(des_cbc), CipherState, Mac, Fragment); -cipher(?AES, CipherState, Mac, Fragment) -> + end, block_size(des_cbc), CipherState, Mac, Fragment, Version); +cipher(?AES, CipherState, Mac, Fragment, Version) -> block_cipher(fun(Key, IV, T) when byte_size(Key) =:= 16 -> crypto:aes_cbc_128_encrypt(Key, IV, T); (Key, IV, T) when byte_size(Key) =:= 32 -> crypto:aes_cbc_256_encrypt(Key, IV, T) - end, block_size(aes_128_cbc), CipherState, Mac, Fragment). -%% cipher(?IDEA, CipherState, Mac, Fragment) -> -%% block_cipher(fun(Key, IV, T) -> -%% crypto:idea_cbc_encrypt(Key, IV, T) -%% end, block_size(idea_cbc), CipherState, Mac, Fragment); - -block_cipher(Fun, BlockSz, #cipher_state{key=Key, iv=IV} = CS0, - Mac, Fragment) -> + end, block_size(aes_128_cbc), CipherState, Mac, Fragment, Version). + +build_cipher_block(BlockSz, Mac, Fragment) -> TotSz = byte_size(Mac) + erlang:iolist_size(Fragment) + 1, {PaddingLength, Padding} = get_padding(TotSz, BlockSz), - L = [Fragment, Mac, PaddingLength, Padding], + [Fragment, Mac, PaddingLength, Padding]. + +block_cipher(Fun, BlockSz, #cipher_state{key=Key, iv=IV} = CS0, + Mac, Fragment, {3, N}) + when N == 0; N == 1 -> + L = build_cipher_block(BlockSz, Mac, Fragment), T = Fun(Key, IV, L), NextIV = next_iv(T, IV), + {T, CS0#cipher_state{iv=NextIV}}; + +block_cipher(Fun, BlockSz, #cipher_state{key=Key, iv=IV} = CS0, + Mac, Fragment, {3, N}) + when N == 2; N == 3 -> + NextIV = random_iv(IV), + L0 = build_cipher_block(BlockSz, Mac, Fragment), + L = [NextIV|L0], + T = Fun(Key, IV, L), {T, CS0#cipher_state{iv=NextIV}}. %%-------------------------------------------------------------------- @@ -147,19 +159,16 @@ decipher(?AES, HashSz, CipherState, Fragment, Version) -> (Key, IV, T) when byte_size(Key) =:= 32 -> crypto:aes_cbc_256_decrypt(Key, IV, T) end, CipherState, HashSz, Fragment, Version). -%% decipher(?IDEA, HashSz, CipherState, Fragment, Version) -> -%% block_decipher(fun(Key, IV, T) -> -%% crypto:idea_cbc_decrypt(Key, IV, T) -%% end, CipherState, HashSz, Fragment, Version); block_decipher(Fun, #cipher_state{key=Key, iv=IV} = CipherState0, HashSz, Fragment, Version) -> try Text = Fun(Key, IV, Fragment), - GBC = generic_block_cipher_from_bin(Text, HashSz), + NextIV = next_iv(Fragment, IV), + GBC = generic_block_cipher_from_bin(Version, Text, NextIV, HashSz), Content = GBC#generic_block_cipher.content, Mac = GBC#generic_block_cipher.mac, - CipherState1 = CipherState0#cipher_state{iv=next_iv(Fragment, IV)}, + CipherState1 = CipherState0#cipher_state{iv=GBC#generic_block_cipher.next_iv}, case is_correct_padding(GBC, Version) of true -> {Content, Mac, CipherState1}; @@ -187,8 +196,8 @@ block_decipher(Fun, #cipher_state{key=Key, iv=IV} = CipherState0, %%-------------------------------------------------------------------- suites({3, 0}) -> ssl_ssl3:suites(); -suites({3, N}) when N == 1; N == 2 -> - ssl_tls1:suites(). +suites({3, N}) -> + ssl_tls1:suites(N). %%-------------------------------------------------------------------- -spec anonymous_suites() -> [cipher_suite()]. @@ -201,10 +210,12 @@ anonymous_suites() -> ?TLS_DH_anon_WITH_DES_CBC_SHA, ?TLS_DH_anon_WITH_3DES_EDE_CBC_SHA, ?TLS_DH_anon_WITH_AES_128_CBC_SHA, - ?TLS_DH_anon_WITH_AES_256_CBC_SHA]. + ?TLS_DH_anon_WITH_AES_256_CBC_SHA, + ?TLS_DH_anon_WITH_AES_128_CBC_SHA256, + ?TLS_DH_anon_WITH_AES_256_CBC_SHA256]. %%-------------------------------------------------------------------- --spec suite_definition(cipher_suite()) -> erl_cipher_suite(). +-spec suite_definition(cipher_suite()) -> int_cipher_suite(). %% %% Description: Return erlang cipher suite definition. %% Note: Currently not supported suites are commented away. @@ -212,56 +223,81 @@ anonymous_suites() -> %%------------------------------------------------------------------- %% TLS v1.1 suites suite_definition(?TLS_NULL_WITH_NULL_NULL) -> - {null, null, null}; + {null, null, null, null}; %% suite_definition(?TLS_RSA_WITH_NULL_MD5) -> -%% {rsa, null, md5}; +%% {rsa, null, md5, default_prf}; %% suite_definition(?TLS_RSA_WITH_NULL_SHA) -> -%% {rsa, null, sha}; +%% {rsa, null, sha, default_prf}; suite_definition(?TLS_RSA_WITH_RC4_128_MD5) -> - {rsa, rc4_128, md5}; -suite_definition(?TLS_RSA_WITH_RC4_128_SHA) -> - {rsa, rc4_128, sha}; -%% suite_definition(?TLS_RSA_WITH_IDEA_CBC_SHA) -> -%% {rsa, idea_cbc, sha}; -suite_definition(?TLS_RSA_WITH_DES_CBC_SHA) -> - {rsa, des_cbc, sha}; + {rsa, rc4_128, md5, default_prf}; +suite_definition(?TLS_RSA_WITH_RC4_128_SHA) -> + {rsa, rc4_128, sha, default_prf}; +suite_definition(?TLS_RSA_WITH_DES_CBC_SHA) -> + {rsa, des_cbc, sha, default_prf}; suite_definition(?TLS_RSA_WITH_3DES_EDE_CBC_SHA) -> - {rsa, '3des_ede_cbc', sha}; + {rsa, '3des_ede_cbc', sha, default_prf}; suite_definition(?TLS_DHE_DSS_WITH_DES_CBC_SHA) -> - {dhe_dss, des_cbc, sha}; + {dhe_dss, des_cbc, sha, default_prf}; suite_definition(?TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA) -> - {dhe_dss, '3des_ede_cbc', sha}; + {dhe_dss, '3des_ede_cbc', sha, default_prf}; suite_definition(?TLS_DHE_RSA_WITH_DES_CBC_SHA) -> - {dhe_rsa, des_cbc, sha}; + {dhe_rsa, des_cbc, sha, default_prf}; suite_definition(?TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA) -> - {dhe_rsa, '3des_ede_cbc', sha}; + {dhe_rsa, '3des_ede_cbc', sha, default_prf}; %%% TSL V1.1 AES suites suite_definition(?TLS_RSA_WITH_AES_128_CBC_SHA) -> - {rsa, aes_128_cbc, sha}; + {rsa, aes_128_cbc, sha, default_prf}; suite_definition(?TLS_DHE_DSS_WITH_AES_128_CBC_SHA) -> - {dhe_dss, aes_128_cbc, sha}; + {dhe_dss, aes_128_cbc, sha, default_prf}; suite_definition(?TLS_DHE_RSA_WITH_AES_128_CBC_SHA) -> - {dhe_rsa, aes_128_cbc, sha}; + {dhe_rsa, aes_128_cbc, sha, default_prf}; suite_definition(?TLS_RSA_WITH_AES_256_CBC_SHA) -> - {rsa, aes_256_cbc, sha}; + {rsa, aes_256_cbc, sha, default_prf}; suite_definition(?TLS_DHE_DSS_WITH_AES_256_CBC_SHA) -> - {dhe_dss, aes_256_cbc, sha}; + {dhe_dss, aes_256_cbc, sha, default_prf}; suite_definition(?TLS_DHE_RSA_WITH_AES_256_CBC_SHA) -> - {dhe_rsa, aes_256_cbc, sha}; + {dhe_rsa, aes_256_cbc, sha, default_prf}; + +%% TLS v1.2 suites + +%% suite_definition(?TLS_RSA_WITH_NULL_SHA) -> +%% {rsa, null, sha, default_prf}; +suite_definition(?TLS_RSA_WITH_AES_128_CBC_SHA256) -> + {rsa, aes_128_cbc, sha256, default_prf}; +suite_definition(?TLS_RSA_WITH_AES_256_CBC_SHA256) -> + {rsa, aes_256_cbc, sha256, default_prf}; +suite_definition(?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256) -> + {dhe_dss, aes_128_cbc, sha256, default_prf}; +suite_definition(?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256) -> + {dhe_rsa, aes_128_cbc, sha256, default_prf}; +suite_definition(?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256) -> + {dhe_dss, aes_256_cbc, sha256, default_prf}; +suite_definition(?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256) -> + {dhe_rsa, aes_256_cbc, sha256, default_prf}; + +%% not defined YET: +%% TLS_DH_DSS_WITH_AES_128_CBC_SHA256 DH_DSS AES_128_CBC SHA256 +%% TLS_DH_RSA_WITH_AES_128_CBC_SHA256 DH_RSA AES_128_CBC SHA256 +%% TLS_DH_DSS_WITH_AES_256_CBC_SHA256 DH_DSS AES_256_CBC SHA256 +%% TLS_DH_RSA_WITH_AES_256_CBC_SHA256 DH_RSA AES_256_CBC SHA256 %%% DH-ANON deprecated by TLS spec and not available %%% by default, but good for testing purposes. suite_definition(?TLS_DH_anon_WITH_RC4_128_MD5) -> - {dh_anon, rc4_128, md5}; + {dh_anon, rc4_128, md5, default_prf}; suite_definition(?TLS_DH_anon_WITH_DES_CBC_SHA) -> - {dh_anon, des_cbc, sha}; + {dh_anon, des_cbc, sha, default_prf}; suite_definition(?TLS_DH_anon_WITH_3DES_EDE_CBC_SHA) -> - {dh_anon, '3des_ede_cbc', sha}; + {dh_anon, '3des_ede_cbc', sha, default_prf}; suite_definition(?TLS_DH_anon_WITH_AES_128_CBC_SHA) -> - {dh_anon, aes_128_cbc, sha}; + {dh_anon, aes_128_cbc, sha, default_prf}; suite_definition(?TLS_DH_anon_WITH_AES_256_CBC_SHA) -> - {dh_anon, aes_256_cbc, sha}. + {dh_anon, aes_256_cbc, sha, default_prf}; +suite_definition(?TLS_DH_anon_WITH_AES_128_CBC_SHA256) -> + {dh_anon, aes_128_cbc, sha256, default_prf}; +suite_definition(?TLS_DH_anon_WITH_AES_256_CBC_SHA256) -> + {dh_anon, aes_256_cbc, sha256, default_prf}. %%-------------------------------------------------------------------- -spec suite(erl_cipher_suite()) -> cipher_suite(). @@ -278,8 +314,6 @@ suite({rsa, rc4_128, md5}) -> ?TLS_RSA_WITH_RC4_128_MD5; suite({rsa, rc4_128, sha}) -> ?TLS_RSA_WITH_RC4_128_SHA; -%% suite({rsa, idea_cbc, sha}) -> -%% ?TLS_RSA_WITH_IDEA_CBC_SHA; suite({rsa, des_cbc, sha}) -> ?TLS_RSA_WITH_DES_CBC_SHA; suite({rsa, '3des_ede_cbc', sha}) -> @@ -315,7 +349,28 @@ suite({dhe_dss, aes_256_cbc, sha}) -> suite({dhe_rsa, aes_256_cbc, sha}) -> ?TLS_DHE_RSA_WITH_AES_256_CBC_SHA; suite({dh_anon, aes_256_cbc, sha}) -> - ?TLS_DH_anon_WITH_AES_256_CBC_SHA. + ?TLS_DH_anon_WITH_AES_256_CBC_SHA; + +%% TLS v1.2 suites + +%% suite_definition(?TLS_RSA_WITH_NULL_SHA) -> +%% {rsa, null, sha, sha256}; +suite({rsa, aes_128_cbc, sha256}) -> + ?TLS_RSA_WITH_AES_128_CBC_SHA256; +suite({rsa, aes_256_cbc, sha256}) -> + ?TLS_RSA_WITH_AES_256_CBC_SHA256; +suite({dhe_dss, aes_128_cbc, sha256}) -> + ?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256; +suite({dhe_rsa, aes_128_cbc, sha256}) -> + ?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256; +suite({dhe_dss, aes_256_cbc, sha256}) -> + ?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256; +suite({dhe_rsa, aes_256_cbc, sha256}) -> + ?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256; +suite({dh_anon, aes_128_cbc, sha256}) -> + ?TLS_DH_anon_WITH_AES_128_CBC_SHA256; +suite({dh_anon, aes_256_cbc, sha256}) -> + ?TLS_DH_anon_WITH_AES_256_CBC_SHA256. %%-------------------------------------------------------------------- -spec openssl_suite(openssl_cipher_suite()) -> cipher_suite(). @@ -323,6 +378,18 @@ suite({dh_anon, aes_256_cbc, sha}) -> %% Description: Return TLS cipher suite definition. %%-------------------------------------------------------------------- %% translate constants <-> openssl-strings +openssl_suite("DHE-RSA-AES256-SHA256") -> + ?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256; +openssl_suite("DHE-DSS-AES256-SHA256") -> + ?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256; +openssl_suite("AES256-SHA256") -> + ?TLS_RSA_WITH_AES_256_CBC_SHA256; +openssl_suite("DHE-RSA-AES128-SHA256") -> + ?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256; +openssl_suite("DHE-DSS-AES128-SHA256") -> + ?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256; +openssl_suite("AES128-SHA256") -> + ?TLS_RSA_WITH_AES_128_CBC_SHA256; openssl_suite("DHE-RSA-AES256-SHA") -> ?TLS_DHE_RSA_WITH_AES_256_CBC_SHA; openssl_suite("DHE-DSS-AES256-SHA") -> @@ -341,8 +408,6 @@ openssl_suite("DHE-DSS-AES128-SHA") -> ?TLS_DHE_DSS_WITH_AES_128_CBC_SHA; openssl_suite("AES128-SHA") -> ?TLS_RSA_WITH_AES_128_CBC_SHA; -%%openssl_suite("IDEA-CBC-SHA") -> -%% ?TLS_RSA_WITH_IDEA_CBC_SHA; openssl_suite("RC4-SHA") -> ?TLS_RSA_WITH_RC4_128_SHA; openssl_suite("RC4-MD5") -> @@ -374,8 +439,6 @@ openssl_suite_name(?TLS_DHE_DSS_WITH_AES_128_CBC_SHA) -> "DHE-DSS-AES128-SHA"; openssl_suite_name(?TLS_RSA_WITH_AES_128_CBC_SHA) -> "AES128-SHA"; -%% openssl_suite_name(?TLS_RSA_WITH_IDEA_CBC_SHA) -> -%% "IDEA-CBC-SHA"; openssl_suite_name(?TLS_RSA_WITH_RC4_128_SHA) -> "RC4-SHA"; openssl_suite_name(?TLS_RSA_WITH_RC4_128_MD5) -> @@ -384,6 +447,28 @@ openssl_suite_name(?TLS_DHE_RSA_WITH_DES_CBC_SHA) -> "EDH-RSA-DES-CBC-SHA"; openssl_suite_name(?TLS_RSA_WITH_DES_CBC_SHA) -> "DES-CBC-SHA"; +openssl_suite_name(?TLS_RSA_WITH_NULL_SHA256) -> + "NULL-SHA256"; +openssl_suite_name(?TLS_RSA_WITH_AES_128_CBC_SHA256) -> + "AES128-SHA256"; +openssl_suite_name(?TLS_RSA_WITH_AES_256_CBC_SHA256) -> + "AES256-SHA256"; +openssl_suite_name(?TLS_DH_DSS_WITH_AES_128_CBC_SHA256) -> + "DH-DSS-AES128-SHA256"; +openssl_suite_name(?TLS_DH_RSA_WITH_AES_128_CBC_SHA256) -> + "DH-RSA-AES128-SHA256"; +openssl_suite_name(?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256) -> + "DHE-DSS-AES128-SHA256"; +openssl_suite_name(?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256) -> + "DHE-RSA-AES128-SHA256"; +openssl_suite_name(?TLS_DH_DSS_WITH_AES_256_CBC_SHA256) -> + "DH-DSS-AES256-SHA256"; +openssl_suite_name(?TLS_DH_RSA_WITH_AES_256_CBC_SHA256) -> + "DH-RSA-AES256-SHA256"; +openssl_suite_name(?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256) -> + "DHE-DSS-AES256-SHA256"; +openssl_suite_name(?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256) -> + "DHE-RSA-AES256-SHA256"; %% No oppenssl name openssl_suite_name(Cipher) -> suite_definition(Cipher). @@ -411,9 +496,6 @@ filter(DerCert, Ciphers) -> bulk_cipher_algorithm(null) -> ?NULL; -%% Not supported yet -%% bulk_cipher_algorithm(idea_cbc) -> -%% ?IDEA; bulk_cipher_algorithm(rc4_128) -> ?RC4; bulk_cipher_algorithm(des_cbc) -> @@ -428,8 +510,7 @@ type(Cipher) when Cipher == null; Cipher == rc4_128 -> ?STREAM; -type(Cipher) when Cipher == idea_cbc; - Cipher == des_cbc; +type(Cipher) when Cipher == des_cbc; Cipher == '3des_ede_cbc'; Cipher == aes_128_cbc; Cipher == aes_256_cbc -> @@ -437,8 +518,7 @@ type(Cipher) when Cipher == idea_cbc; key_material(null) -> 0; -key_material(Cipher) when Cipher == idea_cbc; - Cipher == rc4_128 -> +key_material(rc4_128) -> 16; key_material(des_cbc) -> 8; @@ -451,8 +531,7 @@ key_material(aes_256_cbc) -> expanded_key_material(null) -> 0; -expanded_key_material(Cipher) when Cipher == idea_cbc; - Cipher == rc4_128 -> +expanded_key_material(rc4_128) -> 16; expanded_key_material(Cipher) when Cipher == des_cbc -> 8; @@ -467,8 +546,7 @@ effective_key_bits(null) -> 0; effective_key_bits(des_cbc) -> 56; -effective_key_bits(Cipher) when Cipher == idea_cbc; - Cipher == rc4_128; +effective_key_bits(Cipher) when Cipher == rc4_128; Cipher == aes_128_cbc -> 128; effective_key_bits('3des_ede_cbc') -> @@ -482,8 +560,7 @@ iv_size(Cipher) when Cipher == null; iv_size(Cipher) -> block_size(Cipher). -block_size(Cipher) when Cipher == idea_cbc; - Cipher == des_cbc; +block_size(Cipher) when Cipher == des_cbc; Cipher == '3des_ede_cbc' -> 8; @@ -491,19 +568,51 @@ block_size(Cipher) when Cipher == aes_128_cbc; Cipher == aes_256_cbc -> 16. -mac_algorithm(null) -> - ?NULL; -mac_algorithm(md5) -> - ?MD5; -mac_algorithm(sha) -> - ?SHA. +prf_algorithm(default_prf, {3, N}) when N >= 3 -> + ?SHA256; +prf_algorithm(default_prf, {3, _}) -> + ?MD5SHA; +prf_algorithm(Algo, _) -> + hash_algorithm(Algo). + +hash_algorithm(null) -> ?NULL; +hash_algorithm(md5) -> ?MD5; +hash_algorithm(sha) -> ?SHA; %% Only sha always refers to "SHA-1" +hash_algorithm(sha224) -> ?SHA224; +hash_algorithm(sha256) -> ?SHA256; +hash_algorithm(sha384) -> ?SHA384; +hash_algorithm(sha512) -> ?SHA512; +hash_algorithm(?NULL) -> null; +hash_algorithm(?MD5) -> md5; +hash_algorithm(?SHA) -> sha; +hash_algorithm(?SHA224) -> sha224; +hash_algorithm(?SHA256) -> sha256; +hash_algorithm(?SHA384) -> sha384; +hash_algorithm(?SHA512) -> sha512. + +sign_algorithm(anon) -> ?ANON; +sign_algorithm(rsa) -> ?RSA; +sign_algorithm(dsa) -> ?DSA; +sign_algorithm(ecdsa) -> ?ECDSA; +sign_algorithm(?ANON) -> anon; +sign_algorithm(?RSA) -> rsa; +sign_algorithm(?DSA) -> dsa; +sign_algorithm(?ECDSA) -> ecdsa. hash_size(null) -> 0; hash_size(md5) -> 16; hash_size(sha) -> - 20. + 20; +hash_size(sha256) -> + 32. +%% Currently no supported cipher suites defaults to sha384 or sha512 +%% so these clauses are not needed at the moment. +%% hash_size(sha384) -> +%% 48; +%% hash_size(sha512) -> +%% 64. %% RFC 5246: 6.2.3.2. CBC Block Cipher %% @@ -525,7 +634,8 @@ hash_size(sha) -> %% We return the original (possibly invalid) PadLength in any case. %% An invalid PadLength will be caught by is_correct_padding/2 %% -generic_block_cipher_from_bin(T, HashSize) -> +generic_block_cipher_from_bin({3, N}, T, IV, HashSize) + when N == 0; N == 1 -> Sz1 = byte_size(T) - 1, <<_:Sz1/binary, ?BYTE(PadLength0)>> = T, PadLength = if @@ -536,7 +646,20 @@ generic_block_cipher_from_bin(T, HashSize) -> <<Content:CompressedLength/binary, Mac:HashSize/binary, Padding:PadLength/binary, ?BYTE(PadLength0)>> = T, #generic_block_cipher{content=Content, mac=Mac, - padding=Padding, padding_length=PadLength0}. + padding=Padding, padding_length=PadLength0, + next_iv = IV}; + +generic_block_cipher_from_bin({3, N}, T, IV, HashSize) + when N == 2; N == 3 -> + Sz1 = byte_size(T) - 1, + <<_:Sz1/binary, ?BYTE(PadLength)>> = T, + IVLength = byte_size(IV), + CompressedLength = byte_size(T) - IVLength - PadLength - 1 - HashSize, + <<NextIV:IVLength/binary, Content:CompressedLength/binary, Mac:HashSize/binary, + Padding:PadLength/binary, ?BYTE(PadLength)>> = T, + #generic_block_cipher{content=Content, mac=Mac, + padding=Padding, padding_length=PadLength, + next_iv = NextIV}. generic_stream_cipher_from_bin(T, HashSz) -> Sz = byte_size(T), @@ -567,6 +690,10 @@ get_padding_aux(BlockSize, PadLength) -> N = BlockSize - PadLength, {N, list_to_binary(lists:duplicate(N, N))}. +random_iv(IV) -> + IVSz = byte_size(IV), + ssl:random_bytes(IVSz). + next_iv(Bin, IV) -> BinSz = byte_size(Bin), IVSz = byte_size(IV), @@ -578,16 +705,19 @@ rsa_signed_suites() -> dhe_rsa_suites() ++ rsa_suites(). dhe_rsa_suites() -> - [?TLS_DHE_RSA_WITH_AES_256_CBC_SHA, + [?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]. rsa_suites() -> - [?TLS_RSA_WITH_AES_256_CBC_SHA, + [?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_IDEA_CBC_SHA, ?TLS_RSA_WITH_RC4_128_SHA, ?TLS_RSA_WITH_RC4_128_MD5, ?TLS_RSA_WITH_DES_CBC_SHA]. @@ -596,8 +726,10 @@ dsa_signed_suites() -> dhe_dss_suites(). dhe_dss_suites() -> - [?TLS_DHE_DSS_WITH_AES_256_CBC_SHA, + [?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]. |