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authorDaniel White <[email protected]>2012-09-27 02:40:11 +1000
committerSverker Eriksson <[email protected]>2012-12-12 15:35:36 +0100
commitffef856e205bcaf42a1a9a8cc5fb4965fd459edc (patch)
tree19778c527d674f63d54b27c9e888864279a2d237 /lib/crypto/src/crypto.erl
parent918546531fafb9a20170fc1ba1a2c876a46b3cc1 (diff)
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crypto: Provide a generic interface for HMAC generation
Diffstat (limited to 'lib/crypto/src/crypto.erl')
-rw-r--r--lib/crypto/src/crypto.erl21
1 files changed, 19 insertions, 2 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index 461558a79e..5e7f1a948a 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -35,7 +35,7 @@
-export([sha256_mac/2, sha256_mac/3]).
-export([sha384_mac/2, sha384_mac/3]).
-export([sha512_mac/2, sha512_mac/3]).
--export([hmac_init/2, hmac_update/2, hmac_final/1, hmac_final_n/2]).
+-export([hmac/3, hmac/4, hmac_init/2, hmac_update/2, hmac_final/1, hmac_final_n/2]).
-export([des_cbc_encrypt/3, des_cbc_decrypt/3, des_cbc_ivec/1]).
-export([des_ecb_encrypt/2, des_ecb_decrypt/2]).
-export([des_cfb_encrypt/3, des_cfb_decrypt/3, des_cfb_ivec/2]).
@@ -107,7 +107,7 @@
blowfish_ecb_encrypt, blowfish_ecb_decrypt, blowfish_ofb64_encrypt,
des_cbc_ivec, des_cfb_ivec, erlint, mpint,
hash, hash_init, hash_update, hash_final,
- hmac_init, hmac_update, hmac_final, hmac_final_n, info,
+ hmac, hmac_init, hmac_update, hmac_final, hmac_final_n, info,
rc2_cbc_encrypt, rc2_cbc_decrypt,
info_lib]).
@@ -418,11 +418,28 @@ sha512_final_nif(_Context) -> ?nif_stub.
%%
%% HMAC (multiple hash options)
%%
+
+-spec hmac(_, iodata(), iodata()) -> binary().
+-spec hmac(_, iodata(), iodata(), integer()) -> binary().
-spec hmac_init(atom(), iodata()) -> binary().
-spec hmac_update(binary(), iodata()) -> binary().
-spec hmac_final(binary()) -> binary().
-spec hmac_final_n(binary(), integer()) -> binary().
+hmac(md5, Key, Data) -> md5_mac(Key, Data);
+hmac(sha, Key, Data) -> sha_mac(Key, Data);
+hmac(sha224, Key, Data) -> sha224_mac(Key, Data);
+hmac(sha256, Key, Data) -> sha256_mac(Key, Data);
+hmac(sha384, Key, Data) -> sha384_mac(Key, Data);
+hmac(sha512, Key, Data) -> sha512_mac(Key, Data).
+
+hmac(md5, Key, Data, Size) -> md5_mac_n(Key, Data, Size);
+hmac(sha, Key, Data, Size) -> sha_mac(Key, Data, Size);
+hmac(sha224, Key, Data, Size) -> sha224_mac(Key, Data, Size);
+hmac(sha256, Key, Data, Size) -> sha256_mac(Key, Data, Size);
+hmac(sha384, Key, Data, Size) -> sha384_mac(Key, Data, Size);
+hmac(sha512, Key, Data, Size) -> sha512_mac(Key, Data, Size).
+
hmac_init(_Type, _Key) -> ?nif_stub.
hmac_update(_Context, _Data) -> ? nif_stub.
hmac_final(_Context) -> ? nif_stub.