diff options
Diffstat (limited to 'lib/crypto/src/crypto.erl')
| -rw-r--r-- | lib/crypto/src/crypto.erl | 85 |
1 files changed, 74 insertions, 11 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl index c3e13d6b91..0714cb686d 100644 --- a/lib/crypto/src/crypto.erl +++ b/lib/crypto/src/crypto.erl @@ -27,11 +27,13 @@ -export([sha/1, sha_init/0, sha_update/2, sha_final/1]). %-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([md5_mac/2, md5_mac_96/2, sha_mac/2, sha_mac/3, 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([des_cfb_encrypt/3, des_cfb_decrypt/3, des_cfb_ivec/2]). -export([des3_cbc_encrypt/5, des3_cbc_decrypt/5]). +-export([des3_cfb_encrypt/5, des3_cfb_decrypt/5]). -export([blowfish_ecb_encrypt/2, blowfish_ecb_decrypt/2]). -export([blowfish_cbc_encrypt/3, blowfish_cbc_decrypt/3]). -export([blowfish_cfb64_encrypt/3, blowfish_cfb64_decrypt/3]). @@ -40,7 +42,7 @@ -export([aes_cfb_128_encrypt/3, aes_cfb_128_decrypt/3]). -export([exor/2]). -export([rc4_encrypt/2, rc4_set_key/1, rc4_encrypt_with_state/2]). --export([rc2_40_cbc_encrypt/3, rc2_40_cbc_decrypt/3]). +-export([rc2_cbc_encrypt/3, rc2_cbc_decrypt/3, rc2_40_cbc_encrypt/3, rc2_40_cbc_decrypt/3]). -export([dss_verify/3, dss_verify/4, rsa_verify/3, rsa_verify/4]). -export([dss_sign/2, dss_sign/3, rsa_sign/2, rsa_sign/3]). -export([rsa_public_encrypt/3, rsa_private_decrypt/3]). @@ -68,8 +70,10 @@ sha_mac, sha_mac_96, sha_mac_init, sha_mac_update, sha_mac_final, des_cbc_encrypt, des_cbc_decrypt, + des_cfb_encrypt, des_cfb_decrypt, des_ecb_encrypt, des_ecb_decrypt, des_ede3_cbc_encrypt, des_ede3_cbc_decrypt, + des_ede3_cfb_encrypt, des_ede3_cfb_decrypt, aes_cfb_128_encrypt, aes_cfb_128_decrypt, rand_bytes, strong_rand_bytes, @@ -79,7 +83,7 @@ dss_verify,dss_sign, rsa_verify,rsa_sign, rsa_public_encrypt,rsa_private_decrypt, - rsa_private_encrypt,rsa_public_decrypt, + rsa_private_encrypt,rsa_public_decrypt, dh_generate_key, dh_compute_key, aes_cbc_128_encrypt, aes_cbc_128_decrypt, exor, @@ -87,7 +91,7 @@ rc2_40_cbc_encrypt, rc2_40_cbc_decrypt, %% idea_cbc_encrypt, idea_cbc_decrypt, aes_cbc_256_encrypt, aes_cbc_256_decrypt, - aes_ctr_encrypt, aes_ctr_decrypt, + aes_ctr_encrypt, aes_ctr_decrypt, aes_ctr_stream_init, aes_ctr_stream_encrypt, aes_ctr_stream_decrypt, info_lib]). @@ -256,6 +260,9 @@ md5_mac_n(_Key,_Data,_MacSz) -> ?nif_stub. sha_mac(Key, Data) -> sha_mac_n(Key,Data,20). +sha_mac(Key, Data, Size) -> + sha_mac_n(Key, Data, Size). + sha_mac_96(Key, Data) -> sha_mac_n(Key,Data,12). @@ -294,6 +301,33 @@ des_cbc_ivec(Data) when is_list(Data) -> des_cbc_ivec(list_to_binary(Data)). %% +%% DES - in 8-bits cipher feedback mode (CFB) +%% +-spec des_cfb_encrypt(iodata(), binary(), iodata()) -> binary(). +-spec des_cfb_decrypt(iodata(), binary(), iodata()) -> binary(). + +des_cfb_encrypt(Key, IVec, Data) -> + des_cfb_crypt(Key, IVec, Data, true). + +des_cfb_decrypt(Key, IVec, Data) -> + des_cfb_crypt(Key, IVec, Data, false). + +des_cfb_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. + +%% +%% dec_cfb_ivec(IVec, Data) -> binary() +%% +%% Returns the IVec to be used in the next iteration of +%% des_cfb_[encrypt|decrypt]. +%% +-spec des_cfb_ivec(iodata(), iodata()) -> binary(). + +des_cfb_ivec(IVec, Data) -> + IVecAndData = list_to_binary([IVec, Data]), + {_, NewIVec} = split_binary(IVecAndData, byte_size(IVecAndData) - 8), + NewIVec. + +%% %% DES - in electronic codebook mode (ECB) %% -spec des_ecb_encrypt(iodata(), iodata()) -> binary(). @@ -326,6 +360,26 @@ des_ede3_cbc_decrypt(Key1, Key2, Key3, IVec, Data) -> des_ede3_cbc_crypt(_Key1, _Key2, _Key3, _IVec, _Data, _IsEncrypt) -> ?nif_stub. %% +%% DES3 - in 8-bits cipher feedback mode (CFB) +%% +-spec des3_cfb_encrypt(iodata(), iodata(), iodata(), binary(), iodata()) -> + binary(). +-spec des3_cfb_decrypt(iodata(), iodata(), iodata(), binary(), iodata()) -> + binary(). + +des3_cfb_encrypt(Key1, Key2, Key3, IVec, Data) -> + des_ede3_cfb_encrypt(Key1, Key2, Key3, IVec, Data). +des_ede3_cfb_encrypt(Key1, Key2, Key3, IVec, Data) -> + des_ede3_cfb_crypt(Key1, Key2, Key3, IVec, Data, true). + +des3_cfb_decrypt(Key1, Key2, Key3, IVec, Data) -> + des_ede3_cfb_decrypt(Key1, Key2, Key3, IVec, Data). +des_ede3_cfb_decrypt(Key1, Key2, Key3, IVec, Data) -> + des_ede3_cfb_crypt(Key1, Key2, Key3, IVec, Data, false). + +des_ede3_cfb_crypt(_Key1, _Key2, _Key3, _IVec, _Data, _IsEncrypt) -> ?nif_stub. + +%% %% Blowfish %% -spec blowfish_ecb_encrypt(iodata(), iodata()) -> binary(). @@ -638,16 +692,25 @@ rc4_encrypt(_Key, _Data) -> ?nif_stub. rc4_set_key(_Key) -> ?nif_stub. rc4_encrypt_with_state(_State, _Data) -> ?nif_stub. + +%% RC2 block cipher + +rc2_cbc_encrypt(Key, IVec, Data) -> + rc2_cbc_crypt(Key,IVec,Data,true). + +rc2_cbc_decrypt(Key, IVec, Data) -> + rc2_cbc_crypt(Key,IVec,Data,false). + +rc2_cbc_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. + %% -%% RC2 - 40 bits block cipher +%% RC2 - 40 bits block cipher - Backwards compatibility not documented. %% -rc2_40_cbc_encrypt(Key, IVec, Data) -> - rc2_40_cbc_crypt(Key,IVec,Data,true). - -rc2_40_cbc_decrypt(Key, IVec, Data) -> - rc2_40_cbc_crypt(Key,IVec,Data,false). +rc2_40_cbc_encrypt(Key, IVec, Data) when erlang:byte_size(Key) == 5 -> + rc2_cbc_crypt(Key,IVec,Data,true). -rc2_40_cbc_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. +rc2_40_cbc_decrypt(Key, IVec, Data) when erlang:byte_size(Key) == 5 -> + rc2_cbc_crypt(Key,IVec,Data,false). %% %% DH Diffie-Hellman functions |