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-rw-r--r--lib/crypto/src/crypto.erl30
1 files changed, 13 insertions, 17 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index 3e24ff2b0a..025d57e9c5 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2016. 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.
@@ -28,7 +28,7 @@
-export([generate_key/2, generate_key/3, compute_key/4]).
-export([hmac/3, hmac/4, hmac_init/2, hmac_update/2, hmac_final/1, hmac_final_n/2]).
-export([exor/2, strong_rand_bytes/1, mod_pow/3]).
--export([rand_bytes/1, rand_bytes/3, rand_uniform/2]).
+-export([rand_uniform/2]).
-export([block_encrypt/3, block_decrypt/3, block_encrypt/4, block_decrypt/4]).
-export([next_iv/2, next_iv/3]).
-export([stream_init/2, stream_init/3, stream_encrypt/2, stream_decrypt/2]).
@@ -39,6 +39,9 @@
-export([rand_seed/1]).
%% DEPRECATED
+-export([rand_bytes/1]).
+-deprecated({rand_bytes, 1, next_major_release}).
+
%% Replaced by hash_*
-export([md4/1, md4_init/0, md4_update/2, md4_final/1]).
-export([md5/1, md5_init/0, md5_update/2, md5_final/1]).
@@ -302,6 +305,8 @@ block_encrypt(aes_ige256, Key, Ivec, Data) ->
aes_ige_crypt_nif(Key, Ivec, Data, true);
block_encrypt(aes_gcm, Key, Ivec, {AAD, Data}) ->
aes_gcm_encrypt(Key, Ivec, AAD, Data);
+block_encrypt(aes_gcm, Key, Ivec, {AAD, Data, TagLength}) ->
+ aes_gcm_encrypt(Key, Ivec, AAD, Data, TagLength);
block_encrypt(chacha20_poly1305, Key, Ivec, {AAD, Data}) ->
chacha20_poly1305_encrypt(Key, Ivec, AAD, Data).
@@ -405,8 +410,6 @@ strong_rand_bytes(Bytes) ->
end.
strong_rand_bytes_nif(_Bytes) -> ?nif_stub.
-rand_bytes(_Bytes, _Topmask, _Bottommask) -> ?nif_stub.
-
rand_uniform(From,To) when is_binary(From), is_binary(To) ->
case rand_uniform_nif(From,To) of
@@ -544,7 +547,7 @@ generate_key(dh, DHParameters, PrivateKey) ->
generate_key(srp, {host, [Verifier, Generator, Prime, Version]}, PrivArg)
when is_binary(Verifier), is_binary(Generator), is_binary(Prime), is_atom(Version) ->
Private = case PrivArg of
- undefined -> random_bytes(32);
+ undefined -> strong_rand_bytes(32);
_ -> ensure_int_as_bin(PrivArg)
end,
host_srp_gen_key(Private, Verifier, Generator, Prime, Version);
@@ -552,7 +555,7 @@ generate_key(srp, {host, [Verifier, Generator, Prime, Version]}, PrivArg)
generate_key(srp, {user, [Generator, Prime, Version]}, PrivateArg)
when is_binary(Generator), is_binary(Prime), is_atom(Version) ->
Private = case PrivateArg of
- undefined -> random_bytes(32);
+ undefined -> strong_rand_bytes(32);
_ -> PrivateArg
end,
user_srp_gen_key(Private, Generator, Prime);
@@ -604,16 +607,6 @@ compute_key(ecdh, Others, My, Curve) ->
nif_curve_params(Curve),
ensure_int_as_bin(My)).
-
-random_bytes(N) ->
- try strong_rand_bytes(N) of
- RandBytes ->
- RandBytes
- catch
- error:low_entropy ->
- rand_bytes(N)
- end.
-
%%--------------------------------------------------------------------
%%% On load
%%--------------------------------------------------------------------
@@ -917,7 +910,10 @@ aes_cfb_128_decrypt(Key, IVec, Data) ->
%%
%% AES - in Galois/Counter Mode (GCM)
%%
-aes_gcm_encrypt(_Key, _Ivec, _AAD, _In) -> ?nif_stub.
+%% The default tag length is EVP_GCM_TLS_TAG_LEN(16),
+aes_gcm_encrypt(Key, Ivec, AAD, In) ->
+ aes_gcm_encrypt(Key, Ivec, AAD, In, 16).
+aes_gcm_encrypt(_Key, _Ivec, _AAD, _In, _TagLength) -> ?nif_stub.
aes_gcm_decrypt(_Key, _Ivec, _AAD, _In, _Tag) -> ?nif_stub.
%%