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-rw-r--r--lib/crypto/src/crypto.erl14
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index 025d57e9c5..ba824eb9cd 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -27,6 +27,7 @@
-export([sign/4, verify/5]).
-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([cmac/3, cmac/4]).
-export([exor/2, strong_rand_bytes/1, mod_pow/3]).
-export([rand_uniform/2]).
-export([block_encrypt/3, block_decrypt/3, block_encrypt/4, block_decrypt/4]).
@@ -271,6 +272,14 @@ hmac_final(Context) ->
hmac_final_n(Context, HashLen) ->
notsup_to_error(hmac_final_nif(Context, HashLen)).
+-spec cmac(_, iodata(), iodata()) -> binary().
+-spec cmac(_, iodata(), iodata(), integer()) -> binary().
+
+cmac(Type, Key, Data) ->
+ notsup_to_error(cmac_nif(Type, Key, Data)).
+cmac(Type, Key, Data, MacSize) ->
+ erlang:binary_part(cmac(Type, Key, Data), 0, MacSize).
+
%% Ecrypt/decrypt %%%
-spec block_encrypt(des_cbc | des_cfb |
@@ -782,6 +791,10 @@ hmac_update_nif(_Context, _Data) -> ?nif_stub.
hmac_final_nif(_Context) -> ?nif_stub.
hmac_final_nif(_Context, _MacSize) -> ?nif_stub.
+%% CMAC
+
+cmac_nif(_Type, _Key, _Data) -> ?nif_stub.
+
%%
%% MD5_MAC
%%
@@ -1460,6 +1473,7 @@ mod_exp_nif(_Base,_Exp,_Mod,_bin_hdr) -> ?nif_stub.
-define(FUNC_LIST, [hash, hash_init, hash_update, hash_final,
hmac, hmac_init, hmac_update, hmac_final, hmac_final_n,
+ cmac,
%% deprecated
md4, md4_init, md4_update, md4_final,
md5, md5_init, md5_update, md5_final,