diff options
Diffstat (limited to 'lib/crypto/src/crypto.erl')
| -rw-r--r-- | lib/crypto/src/crypto.erl | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl index cc7b3acc9c..c35dfcebab 100644 --- a/lib/crypto/src/crypto.erl +++ b/lib/crypto/src/crypto.erl @@ -28,6 +28,7 @@ %-export([sha256/1, sha256_init/0, sha256_update/2, sha256_final/1]). %-export([sha512/1, sha512_init/0, sha512_update/2, sha512_final/1]). -export([md5_mac/2, md5_mac_96/2, sha_mac/2, sha_mac_96/2]). +-export([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([des3_cbc_encrypt/5, des3_cbc_decrypt/5]). @@ -53,6 +54,7 @@ -export([aes_cbc_256_encrypt/3, aes_cbc_256_decrypt/3]). -export([aes_cbc_ivec/1]). -export([aes_ctr_encrypt/3, aes_ctr_decrypt/3]). +-export([aes_ctr_stream_init/2, aes_ctr_stream_encrypt/2, aes_ctr_stream_decrypt/2]). -export([dh_generate_parameters/2, dh_check/1]). %% Testing see below @@ -64,6 +66,7 @@ %% sha512, sha512_init, sha512_update, sha512_final, md5_mac, md5_mac_96, sha_mac, sha_mac_96, + sha_mac_init, sha_mac_update, sha_mac_final, des_cbc_encrypt, des_cbc_decrypt, des_ecb_encrypt, des_ecb_decrypt, des_ede3_cbc_encrypt, des_ede3_cbc_decrypt, @@ -85,6 +88,7 @@ %% idea_cbc_encrypt, idea_cbc_decrypt, aes_cbc_256_encrypt, aes_cbc_256_decrypt, aes_ctr_encrypt, aes_ctr_decrypt, + aes_ctr_stream_init, aes_ctr_stream_encrypt, aes_ctr_stream_decrypt, info_lib]). -type rsa_digest_type() :: 'md5' | 'sha'. @@ -217,6 +221,19 @@ sha_final(_Context) -> ?nif_stub. %% %% +%% HMAC (multiple hash options) +%% +-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_init(_Type, _Key) -> ?nif_stub. +hmac_update(_Context, _Data) -> ? nif_stub. +hmac_final(_Context) -> ? nif_stub. +hmac_final_n(_Context, _HashLen) -> ? nif_stub. + +%% %% MD5_MAC %% -spec md5_mac(iodata(), iodata()) -> binary(). @@ -243,7 +260,7 @@ sha_mac_96(Key, Data) -> sha_mac_n(Key,Data,12). sha_mac_n(_Key,_Data,_MacSz) -> ?nif_stub. - + %% %% CRYPTO FUNCTIONS %% @@ -579,6 +596,22 @@ aes_ctr_encrypt(_Key, _IVec, _Data) -> ?nif_stub. aes_ctr_decrypt(_Key, _IVec, _Cipher) -> ?nif_stub. %% +%% AES - in counter mode (CTR) with state maintained for multi-call streaming +%% +-type ctr_state() :: { iodata(), binary(), binary(), integer() }. + +-spec aes_ctr_stream_init(iodata(), binary()) -> ctr_state(). +-spec aes_ctr_stream_encrypt(ctr_state(), binary()) -> + { ctr_state(), binary() }. +-spec aes_ctr_stream_decrypt(ctr_state(), binary()) -> + { ctr_state(), binary() }. + +aes_ctr_stream_init(Key, IVec) -> + {Key, IVec, << 0:128 >>, 0}. +aes_ctr_stream_encrypt({_Key, _IVec, _ECount, _Num}=_State, _Data) -> ?nif_stub. +aes_ctr_stream_decrypt({_Key, _IVec, _ECount, _Num}=_State, _Cipher) -> ?nif_stub. + +%% %% XOR - xor to iolists and return a binary %% NB doesn't check that they are the same size, just concatenates %% them and sends them to the driver |