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-rw-r--r--lib/ssl/src/ssl_cipher.erl15
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) ->