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-rw-r--r--lib/ssl/src/ssl_cipher.erl101
1 files changed, 57 insertions, 44 deletions
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl
index d737f74aa3..dc0a0c2cc4 100644
--- a/lib/ssl/src/ssl_cipher.erl
+++ b/lib/ssl/src/ssl_cipher.erl
@@ -1,7 +1,7 @@
-%%
+%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2015. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -39,16 +39,19 @@
suite/1, suites/1, all_suites/1,
ec_keyed_suites/0, anonymous_suites/1, psk_suites/1, srp_suites/0,
rc4_suites/1, des_suites/1, openssl_suite/1, openssl_suite_name/1, filter/2, filter_suites/1,
- hash_algorithm/1, sign_algorithm/1, is_acceptable_hash/2, is_fallback/1]).
+ hash_algorithm/1, sign_algorithm/1, is_acceptable_hash/2, is_fallback/1,
+ random_bytes/1]).
-export_type([cipher_suite/0,
erl_cipher_suite/0, openssl_cipher_suite/0,
- key_algo/0]).
+ hash/0, key_algo/0, sign_algo/0]).
-type cipher() :: null |rc4_128 | idea_cbc | des40_cbc | des_cbc | '3des_ede_cbc'
| aes_128_cbc | aes_256_cbc | aes_128_gcm | aes_256_gcm | chacha20_poly1305.
-type hash() :: null | sha | md5 | sha224 | sha256 | sha384 | sha512.
--type key_algo() :: null | rsa | dhe_rsa | dhe_dss | ecdhe_ecdsa| ecdh_ecdsa | ecdh_rsa| srp_rsa| srp_dss | psk | dhe_psk | rsa_psk | dh_anon | ecdh_anon | srp_anon.
+-type sign_algo() :: rsa | dsa | ecdsa.
+-type key_algo() :: null | rsa | dhe_rsa | dhe_dss | ecdhe_ecdsa| ecdh_ecdsa | ecdh_rsa| srp_rsa| srp_dss |
+ psk | dhe_psk | rsa_psk | dh_anon | ecdh_anon | srp_anon.
-type erl_cipher_suite() :: {key_algo(), cipher(), hash()} % Pre TLS 1.2
%% TLS 1.2, internally PRE TLS 1.2 will use default_prf
| {key_algo(), cipher(), hash(), hash() | default_prf}.
@@ -101,7 +104,7 @@ cipher_init(?RC4, IV, Key) ->
State = crypto:stream_init(rc4, Key),
#cipher_state{iv = IV, key = Key, state = State};
cipher_init(?AES_GCM, IV, Key) ->
- <<Nonce:64>> = ssl:random_bytes(8),
+ <<Nonce:64>> = random_bytes(8),
#cipher_state{iv = IV, key = Key, nonce = Nonce};
cipher_init(_BCA, IV, Key) ->
#cipher_state{iv = IV, key = Key}.
@@ -852,17 +855,17 @@ suite({rsa_psk, aes_256_cbc,sha}) ->
%%% TLS 1.2 PSK Cipher Suites RFC 5487
-suite({psk, aes_128_gcm, null}) ->
+suite({psk, aes_128_gcm, null, sha256}) ->
?TLS_PSK_WITH_AES_128_GCM_SHA256;
-suite({psk, aes_256_gcm, null}) ->
+suite({psk, aes_256_gcm, null, sha384}) ->
?TLS_PSK_WITH_AES_256_GCM_SHA384;
-suite({dhe_psk, aes_128_gcm, null}) ->
+suite({dhe_psk, aes_128_gcm, null, sha256}) ->
?TLS_DHE_PSK_WITH_AES_128_GCM_SHA256;
-suite({dhe_psk, aes_256_gcm, null}) ->
+suite({dhe_psk, aes_256_gcm, null, sha384}) ->
?TLS_DHE_PSK_WITH_AES_256_GCM_SHA384;
-suite({rsa_psk, aes_128_gcm, null}) ->
+suite({rsa_psk, aes_128_gcm, null, sha256}) ->
?TLS_RSA_PSK_WITH_AES_128_GCM_SHA256;
-suite({rsa_psk, aes_256_gcm, null}) ->
+suite({rsa_psk, aes_256_gcm, null, sha384}) ->
?TLS_RSA_PSK_WITH_AES_256_GCM_SHA384;
suite({psk, aes_128_cbc, sha256}) ->
@@ -969,74 +972,74 @@ suite({ecdh_anon, aes_256_cbc, sha}) ->
?TLS_ECDH_anon_WITH_AES_256_CBC_SHA;
%%% RFC 5289 EC TLS suites
-suite({ecdhe_ecdsa, aes_128_cbc, sha256}) ->
+suite({ecdhe_ecdsa, aes_128_cbc, sha256, sha256}) ->
?TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256;
-suite({ecdhe_ecdsa, aes_256_cbc, sha384}) ->
+suite({ecdhe_ecdsa, aes_256_cbc, sha384, sha384}) ->
?TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384;
-suite({ecdh_ecdsa, aes_128_cbc, sha256}) ->
+suite({ecdh_ecdsa, aes_128_cbc, sha256, sha256}) ->
?TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256;
-suite({ecdh_ecdsa, aes_256_cbc, sha384}) ->
+suite({ecdh_ecdsa, aes_256_cbc, sha384, sha384}) ->
?TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384;
-suite({ecdhe_rsa, aes_128_cbc, sha256}) ->
+suite({ecdhe_rsa, aes_128_cbc, sha256, sha256}) ->
?TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256;
-suite({ecdhe_rsa, aes_256_cbc, sha384}) ->
+suite({ecdhe_rsa, aes_256_cbc, sha384, sha384}) ->
?TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384;
-suite({ecdh_rsa, aes_128_cbc, sha256}) ->
+suite({ecdh_rsa, aes_128_cbc, sha256, sha256}) ->
?TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256;
-suite({ecdh_rsa, aes_256_cbc, sha384}) ->
+suite({ecdh_rsa, aes_256_cbc, sha384, sha384}) ->
?TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384;
%% RFC 5288 AES-GCM Cipher Suites
-suite({rsa, aes_128_gcm, null}) ->
+suite({rsa, aes_128_gcm, null, sha256}) ->
?TLS_RSA_WITH_AES_128_GCM_SHA256;
-suite({rsa, aes_256_gcm, null}) ->
+suite({rsa, aes_256_gcm, null, sha384}) ->
?TLS_RSA_WITH_AES_256_GCM_SHA384;
-suite({dhe_rsa, aes_128_gcm, null}) ->
+suite({dhe_rsa, aes_128_gcm, null, sha256}) ->
?TLS_DHE_RSA_WITH_AES_128_GCM_SHA256;
-suite({dhe_rsa, aes_256_gcm, null}) ->
+suite({dhe_rsa, aes_256_gcm, null, sha384}) ->
?TLS_DHE_RSA_WITH_AES_256_GCM_SHA384;
-suite({dh_rsa, aes_128_gcm, null}) ->
+suite({dh_rsa, aes_128_gcm, null, sha256}) ->
?TLS_DH_RSA_WITH_AES_128_GCM_SHA256;
-suite({dh_rsa, aes_256_gcm, null}) ->
+suite({dh_rsa, aes_256_gcm, null, sha384}) ->
?TLS_DH_RSA_WITH_AES_256_GCM_SHA384;
-suite({dhe_dss, aes_128_gcm, null}) ->
+suite({dhe_dss, aes_128_gcm, null, sha256}) ->
?TLS_DHE_DSS_WITH_AES_128_GCM_SHA256;
-suite({dhe_dss, aes_256_gcm, null}) ->
+suite({dhe_dss, aes_256_gcm, null, sha384}) ->
?TLS_DHE_DSS_WITH_AES_256_GCM_SHA384;
-suite({dh_dss, aes_128_gcm, null}) ->
+suite({dh_dss, aes_128_gcm, null, sha256}) ->
?TLS_DH_DSS_WITH_AES_128_GCM_SHA256;
-suite({dh_dss, aes_256_gcm, null}) ->
+suite({dh_dss, aes_256_gcm, null, sha384}) ->
?TLS_DH_DSS_WITH_AES_256_GCM_SHA384;
-suite({dh_anon, aes_128_gcm, null}) ->
+suite({dh_anon, aes_128_gcm, null, sha256}) ->
?TLS_DH_anon_WITH_AES_128_GCM_SHA256;
-suite({dh_anon, aes_256_gcm, null}) ->
+suite({dh_anon, aes_256_gcm, null, sha384}) ->
?TLS_DH_anon_WITH_AES_256_GCM_SHA384;
%% RFC 5289 ECC AES-GCM Cipher Suites
-suite({ecdhe_ecdsa, aes_128_gcm, null}) ->
+suite({ecdhe_ecdsa, aes_128_gcm, null, sha256}) ->
?TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256;
-suite({ecdhe_ecdsa, aes_256_gcm, null}) ->
+suite({ecdhe_ecdsa, aes_256_gcm, null, sha384}) ->
?TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384;
-suite({ecdh_ecdsa, aes_128_gcm, null}) ->
+suite({ecdh_ecdsa, aes_128_gcm, null, sha256}) ->
?TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256;
-suite({ecdh_ecdsa, aes_256_gcm, null}) ->
+suite({ecdh_ecdsa, aes_256_gcm, null, sha384}) ->
?TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384;
-suite({ecdhe_rsa, aes_128_gcm, null}) ->
+suite({ecdhe_rsa, aes_128_gcm, null, sha256}) ->
?TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256;
-suite({ecdhe_rsa, aes_256_gcm, null}) ->
+suite({ecdhe_rsa, aes_256_gcm, null, sha384}) ->
?TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384;
-suite({ecdh_rsa, aes_128_gcm, null}) ->
+suite({ecdh_rsa, aes_128_gcm, null, sha256}) ->
?TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256;
-suite({ecdh_rsa, aes_256_gcm, null}) ->
+suite({ecdh_rsa, aes_256_gcm, null, sha384}) ->
?TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384;
%% draft-agl-tls-chacha20poly1305-04 Chacha20/Poly1305 Suites
-suite({ecdhe_rsa, chacha20_poly1305, null}) ->
+suite({ecdhe_rsa, chacha20_poly1305, null, sha256}) ->
?TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256;
-suite({ecdhe_ecdsa, chacha20_poly1305, null}) ->
+suite({ecdhe_ecdsa, chacha20_poly1305, null, sha256}) ->
?TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256;
-suite({dhe_rsa, chacha20_poly1305, null}) ->
+suite({dhe_rsa, chacha20_poly1305, null, sha256}) ->
?TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256.
%%--------------------------------------------------------------------
@@ -1471,6 +1474,16 @@ is_acceptable_prf(Prf, Algos) ->
is_fallback(CipherSuites)->
lists:member(?TLS_FALLBACK_SCSV, CipherSuites).
+
+%%--------------------------------------------------------------------
+-spec random_bytes(integer()) -> binary().
+
+%%
+%% Description: Generates cryptographically secure random sequence
+%%--------------------------------------------------------------------
+random_bytes(N) ->
+ crypto:strong_rand_bytes(N).
+
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
@@ -1711,7 +1724,7 @@ get_padding_aux(BlockSize, PadLength) ->
random_iv(IV) ->
IVSz = byte_size(IV),
- ssl:random_bytes(IVSz).
+ random_bytes(IVSz).
next_iv(Bin, IV) ->
BinSz = byte_size(Bin),