diff options
Diffstat (limited to 'lib/ssl/src/ssl_cipher.erl')
-rw-r--r-- | lib/ssl/src/ssl_cipher.erl | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl index 1d645e5782..28b26fd358 100644 --- a/lib/ssl/src/ssl_cipher.erl +++ b/lib/ssl/src/ssl_cipher.erl @@ -96,7 +96,7 @@ security_parameters(Version, CipherSuite, SecParams) -> expanded_key_material_length = expanded_key_material(Cipher), key_material_length = key_material(Cipher), iv_size = iv_size(Cipher), - mac_algorithm = hash_algorithm(Hash), + mac_algorithm = mac_algorithm(Hash), prf_algorithm = prf_algorithm(PrfHashAlg, Version), hash_size = hash_size(Hash)}. @@ -239,7 +239,7 @@ decipher(?AES_CBC, HashSz, CipherState, Fragment, Version, PaddingCheck) -> %%-------------------------------------------------------------------- -spec decipher_aead(cipher_enum(), #cipher_state{}, integer(), binary(), binary(), ssl_record:ssl_version()) -> - {binary(), binary(), #cipher_state{}} | #alert{}. + {binary(), #cipher_state{}} | #alert{}. %% %% Description: Decrypts the data and checks the associated data (AAD) MAC using %% cipher described by cipher_enum() and updating the cipher state. @@ -2372,6 +2372,8 @@ is_acceptable_cipher(Cipher, Algos) -> is_acceptable_hash(null, _Algos) -> true; +is_acceptable_hash(aead, _Algos) -> + true; is_acceptable_hash(Hash, Algos) -> proplists:get_bool(Hash, Algos). @@ -2531,6 +2533,11 @@ prf_algorithm(default_prf, {3, _}) -> prf_algorithm(Algo, _) -> hash_algorithm(Algo). +mac_algorithm(aead) -> + aead; +mac_algorithm(Algo) -> + hash_algorithm(Algo). + hash_algorithm(null) -> ?NULL; hash_algorithm(md5) -> ?MD5; hash_algorithm(sha) -> ?SHA; %% Only sha always refers to "SHA-1" @@ -2561,6 +2568,10 @@ sign_algorithm(Other) when is_integer(Other) andalso ((Other >= 224) and (Other hash_size(null) -> 0; +%% The AEAD MAC hash size is not used in the context +%% of calculating the master secret. See RFC 5246 Section 6.2.3.3. +hash_size(aead) -> + 0; hash_size(md5) -> 16; hash_size(sha) -> |