diff options
Diffstat (limited to 'lib/crypto/src/crypto.erl')
| -rw-r--r-- | lib/crypto/src/crypto.erl | 855 |
1 files changed, 249 insertions, 606 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl index 38e71591f3..3e24ff2b0a 100644 --- a/lib/crypto/src/crypto.erl +++ b/lib/crypto/src/crypto.erl @@ -210,10 +210,8 @@ supports()-> {Hashs, PubKeys, Ciphers} = algorithms(), [{hashs, Hashs}, - {ciphers, [des_cbc, des_cfb, des3_cbc, des_ede3, blowfish_cbc, - blowfish_cfb64, blowfish_ofb64, blowfish_ecb, aes_cbc128, aes_cfb8, aes_cfb128, - aes_cbc256, rc2_cbc, aes_ctr, rc4, aes_ecb] ++ Ciphers}, - {public_keys, [rsa, dss, dh, srp] ++ PubKeys} + {ciphers, Ciphers}, + {public_keys, PubKeys} ]. info_lib() -> ?nif_stub. @@ -222,20 +220,14 @@ info_lib() -> ?nif_stub. hash(Hash, Data0) -> Data = iolist_to_binary(Data0), - MaxByts = max_bytes(), - hash(Hash, Data, erlang:byte_size(Data), MaxByts, initial). + MaxBytes = max_bytes(), + hash(Hash, Data, erlang:byte_size(Data), MaxBytes). -spec hash_init('md5'|'md4'|'ripemd160'| 'sha'|'sha224'|'sha256'|'sha384'|'sha512') -> any(). -hash_init(md5) -> {md5, md5_init()}; -hash_init(md4) -> {md4, md4_init()}; -hash_init(sha) -> {sha, sha_init()}; -hash_init(ripemd160) -> {ripemd160, ripemd160_init()}; -hash_init(sha224) -> {sha224, sha224_init()}; -hash_init(sha256) -> {sha256, sha256_init()}; -hash_init(sha384) -> {sha384, sha384_init()}; -hash_init(sha512) -> {sha512, sha512_init()}. +hash_init(Hash) -> + notsup_to_error(hash_init_nif(Hash)). -spec hash_update(_, iodata()) -> any(). @@ -246,14 +238,8 @@ hash_update(State, Data0) -> -spec hash_final(_) -> binary(). -hash_final({md5,Context}) -> md5_final(Context); -hash_final({md4,Context}) -> md4_final(Context); -hash_final({sha,Context}) -> sha_final(Context); -hash_final({ripemd160,Context}) -> ripemd160_final(Context); -hash_final({sha224,Context}) -> sha224_final(Context); -hash_final({sha256,Context}) -> sha256_final(Context); -hash_final({sha384,Context}) -> sha384_final(Context); -hash_final({sha512,Context}) -> sha512_final(Context). +hash_final(State) -> + notsup_to_error(hash_final_nif(State)). -spec hmac(_, iodata(), iodata()) -> binary(). @@ -265,151 +251,132 @@ hash_final({sha512,Context}) -> sha512_final(Context). hmac(Type, Key, Data0) -> Data = iolist_to_binary(Data0), - hmac(Type, Key, Data, undefined, erlang:byte_size(Data), max_bytes(), initial). + hmac(Type, Key, Data, undefined, erlang:byte_size(Data), max_bytes()). hmac(Type, Key, Data0, MacSize) -> Data = iolist_to_binary(Data0), - hmac(Type, Key, Data, MacSize, erlang:byte_size(Data), max_bytes(), initial). - + hmac(Type, Key, Data, MacSize, erlang:byte_size(Data), max_bytes()). -hmac_init(_Type, _Key) -> ?nif_stub. +hmac_init(Type, Key) -> + notsup_to_error(hmac_init_nif(Type, Key)). hmac_update(State, Data0) -> Data = iolist_to_binary(Data0), hmac_update(State, Data, erlang:byte_size(Data), max_bytes()). -hmac_final(_Context) -> ? nif_stub. -hmac_final_n(_Context, _HashLen) -> ? nif_stub. + +hmac_final(Context) -> + notsup_to_error(hmac_final_nif(Context)). +hmac_final_n(Context, HashLen) -> + notsup_to_error(hmac_final_nif(Context, HashLen)). %% Ecrypt/decrypt %%% --spec block_encrypt(des_cbc | des_cfb | des3_cbc | des3_cbf | des_ede3 | blowfish_cbc | - blowfish_cfb64 | aes_cbc128 | aes_cfb8 | aes_cfb128 | aes_cbc256 | rc2_cbc, +-spec block_encrypt(des_cbc | des_cfb | + des3_cbc | des3_cbf | des_ede3 | + blowfish_cbc | blowfish_cfb64 | blowfish_ofb64 | + aes_cbc128 | aes_cfb8 | aes_cfb128 | aes_cbc256 | aes_ige256 | + aes_cbc | + rc2_cbc, Key::iodata(), Ivec::binary(), Data::iodata()) -> binary(); (aes_gcm | chacha20_poly1305, Key::iodata(), Ivec::binary(), {AAD::binary(), Data::iodata()}) -> {binary(), binary()}. -block_encrypt(des_cbc, Key, Ivec, Data) -> - des_cbc_encrypt(Key, Ivec, Data); -block_encrypt(des_cfb, Key, Ivec, Data) -> - des_cfb_encrypt(Key, Ivec, Data); -block_encrypt(des3_cbc, [Key1, Key2, Key3], Ivec, Data) -> - des3_cbc_encrypt(Key1, Key2, Key3, Ivec, Data); -block_encrypt(des3_cbf, [Key1, Key2, Key3], Ivec, Data) -> - des3_cfb_encrypt(Key1, Key2, Key3, Ivec, Data); -block_encrypt(des_ede3, [Key1, Key2, Key3], Ivec, Data) -> - des_ede3_cbc_encrypt(Key1, Key2, Key3, Ivec, Data); -block_encrypt(blowfish_cbc, Key, Ivec, Data) -> - blowfish_cbc_encrypt(Key, Ivec, Data); -block_encrypt(blowfish_cfb64, Key, Ivec, Data) -> - blowfish_cfb64_encrypt(Key, Ivec, Data); -block_encrypt(blowfish_ofb64, Key, Ivec, Data) -> - blowfish_ofb64_encrypt(Key, Ivec, Data); -block_encrypt(aes_cbc128, Key, Ivec, Data) -> - aes_cbc_128_encrypt(Key, Ivec, Data); -block_encrypt(aes_cbc256, Key, Ivec, Data) -> - aes_cbc_256_encrypt(Key, Ivec, Data); +block_encrypt(Type, Key, Ivec, Data) when Type =:= des_cbc; + Type =:= des_cfb; + Type =:= blowfish_cbc; + Type =:= blowfish_cfb64; + Type =:= blowfish_ofb64; + Type =:= aes_cbc128; + Type =:= aes_cfb8; + Type =:= aes_cfb128; + Type =:= aes_cbc256; + Type =:= aes_cbc; + Type =:= rc2_cbc -> + block_crypt_nif(Type, Key, Ivec, Data, true); +block_encrypt(Type, Key0, Ivec, Data) when Type =:= des3_cbc; + Type =:= des_ede3 -> + Key = check_des3_key(Key0), + block_crypt_nif(des_ede3_cbc, Key, Ivec, Data, true); +block_encrypt(des3_cbf, Key0, Ivec, Data) -> + Key = check_des3_key(Key0), + block_crypt_nif(des_ede3_cbf, Key, Ivec, Data, true); block_encrypt(aes_ige256, Key, Ivec, Data) -> - aes_ige_256_encrypt(Key, Ivec, Data); -block_encrypt(aes_cfb8, Key, Ivec, Data) -> - aes_cfb_8_encrypt(Key, Ivec, Data); -block_encrypt(aes_cfb128, Key, Ivec, Data) -> - aes_cfb_128_encrypt(Key, Ivec, Data); + aes_ige_crypt_nif(Key, Ivec, Data, true); block_encrypt(aes_gcm, Key, Ivec, {AAD, Data}) -> - case aes_gcm_encrypt(Key, Ivec, AAD, Data) of - notsup -> erlang:error(notsup); - Return -> Return - end; + aes_gcm_encrypt(Key, Ivec, AAD, Data); block_encrypt(chacha20_poly1305, Key, Ivec, {AAD, Data}) -> - case chacha20_poly1305_encrypt(Key, Ivec, AAD, Data) of - notsup -> erlang:error(notsup); - Return -> Return - end; -block_encrypt(rc2_cbc, Key, Ivec, Data) -> - rc2_cbc_encrypt(Key, Ivec, Data). - --spec block_decrypt(des_cbc | des_cfb | des3_cbc | des3_cbf | des_ede3 | blowfish_cbc | - blowfish_cfb64 | blowfish_ofb64 | aes_cbc128 | aes_cbc256 | aes_ige256 | - aes_cfb8 | aes_cfb128 | rc2_cbc, + chacha20_poly1305_encrypt(Key, Ivec, AAD, Data). + +-spec block_decrypt(des_cbc | des_cfb | + des3_cbc | des3_cbf | des_ede3 | + blowfish_cbc | blowfish_cfb64 | blowfish_ofb64 | + aes_cbc128 | aes_cfb8 | aes_cfb128 | aes_cbc256 | aes_ige256 | + aes_cbc | + rc2_cbc, Key::iodata(), Ivec::binary(), Data::iodata()) -> binary(); (aes_gcm | chacha20_poly1305, Key::iodata(), Ivec::binary(), {AAD::binary(), Data::iodata(), Tag::binary()}) -> binary() | error. -block_decrypt(des_cbc, Key, Ivec, Data) -> - des_cbc_decrypt(Key, Ivec, Data); -block_decrypt(des_cfb, Key, Ivec, Data) -> - des_cfb_decrypt(Key, Ivec, Data); -block_decrypt(des3_cbc, [Key1, Key2, Key3], Ivec, Data) -> - des3_cbc_decrypt(Key1, Key2, Key3, Ivec, Data); -block_decrypt(des3_cbf, [Key1, Key2, Key3], Ivec, Data) -> - des3_cfb_decrypt(Key1, Key2, Key3, Ivec, Data); -block_decrypt(des_ede3, [Key1, Key2, Key3], Ivec, Data) -> - des_ede3_cbc_decrypt(Key1, Key2, Key3, Ivec, Data); -block_decrypt(blowfish_cbc, Key, Ivec, Data) -> - blowfish_cbc_decrypt(Key, Ivec, Data); -block_decrypt(blowfish_cfb64, Key, Ivec, Data) -> - blowfish_cfb64_decrypt(Key, Ivec, Data); -block_decrypt(blowfish_ofb64, Key, Ivec, Data) -> - blowfish_ofb64_decrypt(Key, Ivec, Data); -block_decrypt(aes_cbc128, Key, Ivec, Data) -> - aes_cbc_128_decrypt(Key, Ivec, Data); -block_decrypt(aes_cbc256, Key, Ivec, Data) -> - aes_cbc_256_decrypt(Key, Ivec, Data); +block_decrypt(Type, Key, Ivec, Data) when Type =:= des_cbc; + Type =:= des_cfb; + Type =:= blowfish_cbc; + Type =:= blowfish_cfb64; + Type =:= blowfish_ofb64; + Type =:= aes_cbc; + Type =:= aes_cbc128; + Type =:= aes_cfb8; + Type =:= aes_cfb128; + Type =:= aes_cbc256; + Type =:= rc2_cbc -> + block_crypt_nif(Type, Key, Ivec, Data, false); +block_decrypt(Type, Key0, Ivec, Data) when Type =:= des3_cbc; + Type =:= des_ede3 -> + Key = check_des3_key(Key0), + block_crypt_nif(des_ede3_cbc, Key, Ivec, Data, false); +block_decrypt(des3_cbf, Key0, Ivec, Data) -> + Key = check_des3_key(Key0), + block_crypt_nif(des_ede3_cbf, Key, Ivec, Data, false); block_decrypt(aes_ige256, Key, Ivec, Data) -> - aes_ige_256_decrypt(Key, Ivec, Data); -block_decrypt(aes_cfb8, Key, Ivec, Data) -> - aes_cfb_8_decrypt(Key, Ivec, Data); -block_decrypt(aes_cfb128, Key, Ivec, Data) -> - aes_cfb_128_decrypt(Key, Ivec, Data); + notsup_to_error(aes_ige_crypt_nif(Key, Ivec, Data, false)); block_decrypt(aes_gcm, Key, Ivec, {AAD, Data, Tag}) -> - case aes_gcm_decrypt(Key, Ivec, AAD, Data, Tag) of - notsup -> erlang:error(notsup); - Return -> Return - end; + aes_gcm_decrypt(Key, Ivec, AAD, Data, Tag); block_decrypt(chacha20_poly1305, Key, Ivec, {AAD, Data, Tag}) -> - case chacha20_poly1305_decrypt(Key, Ivec, AAD, Data, Tag) of - notsup -> erlang:error(notsup); - Return -> Return - end; -block_decrypt(rc2_cbc, Key, Ivec, Data) -> - rc2_cbc_decrypt(Key, Ivec, Data). + chacha20_poly1305_decrypt(Key, Ivec, AAD, Data, Tag). -spec block_encrypt(des_ecb | blowfish_ecb | aes_ecb, Key::iodata(), Data::iodata()) -> binary(). -block_encrypt(des_ecb, Key, Data) -> - des_ecb_encrypt(Key, Data); -block_encrypt(blowfish_ecb, Key, Data) -> - blowfish_ecb_encrypt(Key, Data); -block_encrypt(aes_ecb, Key, Data) -> - aes_ecb_encrypt(Key, Data). +block_encrypt(Type, Key, Data) -> + block_crypt_nif(Type, Key, Data, true). -spec block_decrypt(des_ecb | blowfish_ecb | aes_ecb, Key::iodata(), Data::iodata()) -> binary(). -block_decrypt(des_ecb, Key, Data) -> - des_ecb_decrypt(Key, Data); -block_decrypt(blowfish_ecb, Key, Data) -> - blowfish_ecb_decrypt(Key, Data); -block_decrypt(aes_ecb, Key, Data) -> - aes_ecb_decrypt(Key, Data). +block_decrypt(Type, Key, Data) -> + block_crypt_nif(Type, Key, Data, false). -spec next_iv(des_cbc | des3_cbc | aes_cbc | aes_ige, Data::iodata()) -> binary(). -next_iv(des_cbc, Data) -> - des_cbc_ivec(Data); -next_iv(des3_cbc, Data) -> - des_cbc_ivec(Data); -next_iv(aes_cbc, Data) -> - aes_cbc_ivec(Data); -next_iv(aes_ige, Data) -> - aes_ige_ivec(Data). +next_iv(Type, Data) when is_binary(Data) -> + IVecSize = case Type of + des_cbc -> 8; + des3_cbc -> 8; + aes_cbc -> 16; + aes_ige -> 32 + end, + {_, IVec} = split_binary(Data, size(Data) - IVecSize), + IVec; +next_iv(Type, Data) when is_list(Data) -> + next_iv(Type, list_to_binary(Data)). -spec next_iv(des_cfb, Data::iodata(), Ivec::binary()) -> binary(). -next_iv(des_cfb, Data, Ivec) -> - des_cfb_ivec(Ivec, Data); +next_iv(des_cfb, Data, IVec) -> + IVecAndData = list_to_binary([IVec, Data]), + {_, NewIVec} = split_binary(IVecAndData, byte_size(IVecAndData) - 8), + NewIVec; next_iv(Type, Data, _Ivec) -> next_iv(Type, Data). stream_init(aes_ctr, Key, Ivec) -> {aes_ctr, aes_ctr_stream_init(Key, Ivec)}. stream_init(rc4, Key) -> - {rc4, rc4_set_key(Key)}. + {rc4, notsup_to_error(rc4_set_key(Key))}. stream_encrypt(State, Data0) -> Data = iolist_to_binary(Data0), @@ -485,35 +452,31 @@ verify(dss, none, Data, Signature, Key) when is_binary(Data) -> verify(dss, sha, {digest, Data}, Signature, Key); verify(Alg, Type, Data, Signature, Key) when is_binary(Data) -> verify(Alg, Type, {digest, hash(Type, Data)}, Signature, Key); -verify(dss, Type, Data, Signature, Key) -> - dss_verify_nif(Type, Data, Signature, map_ensure_int_as_bin(Key)); -verify(rsa, Type, DataOrDigest, Signature, Key) -> - case rsa_verify_nif(Type, DataOrDigest, Signature, map_ensure_int_as_bin(Key)) of - notsup -> erlang:error(notsup); - Bool -> Bool - end; -verify(ecdsa, Type, DataOrDigest, Signature, [Key, Curve]) -> - case ecdsa_verify_nif(Type, DataOrDigest, Signature, nif_curve_params(Curve), ensure_int_as_bin(Key)) of - notsup -> erlang:error(notsup); - Bool -> Bool - end. +verify(dss, Type, {digest, Digest}, Signature, Key) -> + dss_verify_nif(Type, Digest, Signature, map_ensure_int_as_bin(Key)); +verify(rsa, Type, {digest, Digest}, Signature, Key) -> + notsup_to_error( + rsa_verify_nif(Type, Digest, Signature, map_ensure_int_as_bin(Key))); +verify(ecdsa, Type, {digest, Digest}, Signature, [Key, Curve]) -> + notsup_to_error( + ecdsa_verify_nif(Type, Digest, Signature, nif_curve_params(Curve), ensure_int_as_bin(Key))). sign(dss, none, Data, Key) when is_binary(Data) -> sign(dss, sha, {digest, Data}, Key); sign(Alg, Type, Data, Key) when is_binary(Data) -> sign(Alg, Type, {digest, hash(Type, Data)}, Key); -sign(rsa, Type, DataOrDigest, Key) -> - case rsa_sign_nif(Type, DataOrDigest, map_ensure_int_as_bin(Key)) of - error -> erlang:error(badkey, [Type,DataOrDigest,Key]); +sign(rsa, Type, {digest, Digest}, Key) -> + case rsa_sign_nif(Type, Digest, map_ensure_int_as_bin(Key)) of + error -> erlang:error(badkey, [Type,Digest,Key]); Sign -> Sign end; -sign(dss, Type, DataOrDigest, Key) -> - case dss_sign_nif(Type, DataOrDigest, map_ensure_int_as_bin(Key)) of - error -> erlang:error(badkey, [DataOrDigest, Key]); +sign(dss, Type, {digest, Digest}, Key) -> + case dss_sign_nif(Type, Digest, map_ensure_int_as_bin(Key)) of + error -> erlang:error(badkey, [Digest, Key]); Sign -> Sign end; -sign(ecdsa, Type, DataOrDigest, [Key, Curve]) -> - case ecdsa_sign_nif(Type, DataOrDigest, nif_curve_params(Curve), ensure_int_as_bin(Key)) of - error -> erlang:error(badkey, [Type,DataOrDigest,Key]); +sign(ecdsa, Type, {digest, Digest}, [Key, Curve]) -> + case ecdsa_sign_nif(Type, Digest, nif_curve_params(Curve), ensure_int_as_bin(Key)) of + error -> erlang:error(badkey, [Type,Digest,Key]); Sign -> Sign end. @@ -618,8 +581,9 @@ compute_key(srp, HostPublic, {UserPublic, UserPrivate}, HostPubBin, Prime); [S] -> S end, + notsup_to_error( srp_user_secret_nif(ensure_int_as_bin(UserPrivate), Scrambler, HostPubBin, - Multiplier, Generator, DerivedKey, Prime); + Multiplier, Generator, DerivedKey, Prime)); compute_key(srp, UserPublic, {HostPublic, HostPrivate}, {host,[Verifier, Prime, Version | ScramblerArg]}) when @@ -631,8 +595,9 @@ compute_key(srp, UserPublic, {HostPublic, HostPrivate}, [] -> srp_scrambler(Version, UserPubBin, ensure_int_as_bin(HostPublic), Prime); [S] -> S end, + notsup_to_error( srp_host_secret_nif(Verifier, ensure_int_as_bin(HostPrivate), Scrambler, - UserPubBin, Prime); + UserPubBin, Prime)); compute_key(ecdh, Others, My, Curve) -> ecdh_compute_key_nif(ensure_int_as_bin(Others), @@ -677,7 +642,8 @@ on_load() -> end end, Lib = filename:join([PrivDir, "lib", LibName]), - Status = case erlang:load_nif(Lib, {?CRYPTO_NIF_VSN,path2bin(Lib)}) of + LibBin = path2bin(Lib), + Status = case erlang:load_nif(Lib, {?CRYPTO_NIF_VSN,LibBin}) of ok -> ok; {error, {load_failed, _}}=Error1 -> ArchLibDir = @@ -689,7 +655,8 @@ on_load() -> [] -> Error1; _ -> ArchLib = filename:join([ArchLibDir, LibName]), - erlang:load_nif(ArchLib, {?CRYPTO_NIF_VSN,path2bin(ArchLib)}) + ArchBin = path2bin(ArchLib), + erlang:load_nif(ArchLib, {?CRYPTO_NIF_VSN,ArchBin}) end; Error1 -> Error1 end, @@ -714,46 +681,30 @@ path2bin(Path) when is_list(Path) -> max_bytes() -> ?MAX_BYTES_TO_NIF. +notsup_to_error(notsup) -> + erlang:error(notsup); +notsup_to_error(Other) -> + Other. + %% HASH -------------------------------------------------------------------- -hash(Hash, Data, Size, Max, initial) when Size =< Max -> - do_hash(Hash, Data); -hash(State0, Data, Size, Max, continue) when Size =< Max -> - State = do_hash_update(State0, Data), - hash_final(State); -hash(Hash, Data, _Size, Max, initial) -> - <<Increment:Max/binary, Rest/binary>> = Data, +hash(Hash, Data, Size, Max) when Size =< Max -> + notsup_to_error(hash_nif(Hash, Data)); +hash(Hash, Data, Size, Max) -> State0 = hash_init(Hash), - State = do_hash_update(State0, Increment), - hash(State, Rest, erlang:byte_size(Rest), max_bytes(), continue); -hash(State0, Data, _Size, MaxByts, continue) -> - <<Increment:MaxByts/binary, Rest/binary>> = Data, - State = do_hash_update(State0, Increment), - hash(State, Rest, erlang:byte_size(Rest), max_bytes(), continue). - -do_hash(md5, Data) -> md5(Data); -do_hash(md4, Data) -> md4(Data); -do_hash(sha, Data) -> sha(Data); -do_hash(ripemd160, Data) -> ripemd160(Data); -do_hash(sha224, Data) -> sha224(Data); -do_hash(sha256, Data) -> sha256(Data); -do_hash(sha384, Data) -> sha384(Data); -do_hash(sha512, Data) -> sha512(Data). + State1 = hash_update(State0, Data, Size, Max), + hash_final(State1). hash_update(State, Data, Size, MaxBytes) when Size =< MaxBytes -> - do_hash_update(State, Data); + notsup_to_error(hash_update_nif(State, Data)); hash_update(State0, Data, _, MaxBytes) -> <<Increment:MaxBytes/binary, Rest/binary>> = Data, - State = do_hash_update(State0, Increment), + State = notsup_to_error(hash_update_nif(State0, Increment)), hash_update(State, Rest, erlang:byte_size(Rest), MaxBytes). -do_hash_update({md5,Context}, Data) -> {md5, md5_update(Context,Data)}; -do_hash_update({md4,Context}, Data) -> {md4, md4_update(Context,Data)}; -do_hash_update({sha,Context}, Data) -> {sha, sha_update(Context,Data)}; -do_hash_update({ripemd160,Context}, Data) -> {ripemd160, ripemd160_update(Context,Data)}; -do_hash_update({sha224,Context}, Data) -> {sha224, sha224_update(Context,Data)}; -do_hash_update({sha256,Context}, Data) -> {sha256, sha256_update(Context,Data)}; -do_hash_update({sha384,Context}, Data) -> {sha384, sha384_update(Context,Data)}; -do_hash_update({sha512,Context}, Data) -> {sha512, sha512_update(Context,Data)}. +hash_nif(_Hash, _Data) -> ?nif_stub. +hash_init_nif(_Hash) -> ?nif_stub. +hash_update_nif(_State, _Data) -> ?nif_stub. +hash_final_nif(_State) -> ?nif_stub. %% @@ -765,10 +716,14 @@ do_hash_update({sha512,Context}, Data) -> {sha512, sha512_update(Context,Data -spec md5_update(binary(), iodata()) -> binary(). -spec md5_final(binary()) -> binary(). -md5(_Data) -> ?nif_stub. -md5_init() -> ?nif_stub. -md5_update(_Context, _Data) -> ?nif_stub. -md5_final(_Context) -> ?nif_stub. +md5(Data) -> + hash(md5, Data). +md5_init() -> + hash_init(md5). +md5_update(Context, Data) -> + hash_update(Context, Data). +md5_final(Context) -> + hash_final(Context). %% %% MD4 @@ -778,24 +733,14 @@ md5_final(_Context) -> ?nif_stub. -spec md4_update(binary(), iodata()) -> binary(). -spec md4_final(binary()) -> binary(). -md4(_Data) -> ?nif_stub. -md4_init() -> ?nif_stub. -md4_update(_Context, _Data) -> ?nif_stub. -md4_final(_Context) -> ?nif_stub. - -%% -%% RIPEMD160 -%% - --spec ripemd160(iodata()) -> binary(). --spec ripemd160_init() -> binary(). --spec ripemd160_update(binary(), iodata()) -> binary(). --spec ripemd160_final(binary()) -> binary(). - -ripemd160(_Data) -> ?nif_stub. -ripemd160_init() -> ?nif_stub. -ripemd160_update(_Context, _Data) -> ?nif_stub. -ripemd160_final(_Context) -> ?nif_stub. +md4(Data) -> + hash(md4, Data). +md4_init() -> + hash_init(md4). +md4_update(Context, Data) -> + hash_update(Context, Data). +md4_final(Context) -> + hash_final(Context). %% %% SHA @@ -805,196 +750,44 @@ ripemd160_final(_Context) -> ?nif_stub. -spec sha_update(binary(), iodata()) -> binary(). -spec sha_final(binary()) -> binary(). -sha(_Data) -> ?nif_stub. -sha_init() -> ?nif_stub. -sha_update(_Context, _Data) -> ?nif_stub. -sha_final(_Context) -> ?nif_stub. - -% -%% SHA224 -%% --spec sha224(iodata()) -> binary(). --spec sha224_init() -> binary(). --spec sha224_update(binary(), iodata()) -> binary(). --spec sha224_final(binary()) -> binary(). - -sha224(Data) -> - case sha224_nif(Data) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha224_init() -> - case sha224_init_nif() of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha224_update(Context, Data) -> - case sha224_update_nif(Context, Data) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha224_final(Context) -> - case sha224_final_nif(Context) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. - -sha224_nif(_Data) -> ?nif_stub. -sha224_init_nif() -> ?nif_stub. -sha224_update_nif(_Context, _Data) -> ?nif_stub. -sha224_final_nif(_Context) -> ?nif_stub. - -% -%% SHA256 -%% --spec sha256(iodata()) -> binary(). --spec sha256_init() -> binary(). --spec sha256_update(binary(), iodata()) -> binary(). --spec sha256_final(binary()) -> binary(). - -sha256(Data) -> - case sha256_nif(Data) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha256_init() -> - case sha256_init_nif() of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha256_update(Context, Data) -> - case sha256_update_nif(Context, Data) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha256_final(Context) -> - case sha256_final_nif(Context) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. - -sha256_nif(_Data) -> ?nif_stub. -sha256_init_nif() -> ?nif_stub. -sha256_update_nif(_Context, _Data) -> ?nif_stub. -sha256_final_nif(_Context) -> ?nif_stub. - -% -%% SHA384 -%% --spec sha384(iodata()) -> binary(). --spec sha384_init() -> binary(). --spec sha384_update(binary(), iodata()) -> binary(). --spec sha384_final(binary()) -> binary(). - -sha384(Data) -> - case sha384_nif(Data) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha384_init() -> - case sha384_init_nif() of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha384_update(Context, Data) -> - case sha384_update_nif(Context, Data) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha384_final(Context) -> - case sha384_final_nif(Context) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. - -sha384_nif(_Data) -> ?nif_stub. -sha384_init_nif() -> ?nif_stub. -sha384_update_nif(_Context, _Data) -> ?nif_stub. -sha384_final_nif(_Context) -> ?nif_stub. - -% -%% SHA512 -%% --spec sha512(iodata()) -> binary(). --spec sha512_init() -> binary(). --spec sha512_update(binary(), iodata()) -> binary(). --spec sha512_final(binary()) -> binary(). - -sha512(Data) -> - case sha512_nif(Data) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha512_init() -> - case sha512_init_nif() of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha512_update(Context, Data) -> - case sha512_update_nif(Context, Data) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. -sha512_final(Context) -> - case sha512_final_nif(Context) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. - -sha512_nif(_Data) -> ?nif_stub. -sha512_init_nif() -> ?nif_stub. -sha512_update_nif(_Context, _Data) -> ?nif_stub. -sha512_final_nif(_Context) -> ?nif_stub. +sha(Data) -> + hash(sha, Data). +sha_init() -> + hash_init(sha). +sha_update(Context, Data) -> + hash_update(Context, Data). +sha_final(Context) -> + hash_final(Context). %% HMAC -------------------------------------------------------------------- -hmac(Type, Key, Data, MacSize, Size, MaxBytes, initial) when Size =< MaxBytes -> +hmac(Type, Key, Data, MacSize, Size, MaxBytes) when Size =< MaxBytes -> + notsup_to_error( case MacSize of - undefined -> - do_hmac(Type, Key, Data); - _ -> - do_hmac(Type, Key, Data, MacSize) - end; -hmac(Type, Key, Data, MacSize, _, MaxBytes, initial) -> - <<Increment:MaxBytes/binary, Rest/binary>> = Data, + undefined -> hmac_nif(Type, Key, Data); + _ -> hmac_nif(Type, Key, Data, MacSize) + end); +hmac(Type, Key, Data, MacSize, Size, MaxBytes) -> State0 = hmac_init(Type, Key), - State = hmac_update(State0, Increment), - hmac(State, Rest, MacSize, erlang:byte_size(Rest), max_bytes(), continue). -hmac(State0, Data, MacSize, Size, MaxBytes, continue) when Size =< MaxBytes -> - State = hmac_update(State0, Data), + State1 = hmac_update(State0, Data, Size, MaxBytes), case MacSize of - undefined -> - hmac_final(State); - _ -> - hmac_final_n(State, MacSize) - end; -hmac(State0, Data, MacSize, _Size, MaxBytes, continue) -> - <<Increment:MaxBytes/binary, Rest/binary>> = Data, - State = hmac_update(State0, Increment), - hmac(State, Rest, MacSize, erlang:byte_size(Rest), max_bytes(), continue). + undefined -> hmac_final(State1); + _ -> hmac_final_n(State1, MacSize) + end. hmac_update(State, Data, Size, MaxBytes) when Size =< MaxBytes -> - do_hmac_update(State, Data); + notsup_to_error(hmac_update_nif(State, Data)); hmac_update(State0, Data, _, MaxBytes) -> <<Increment:MaxBytes/binary, Rest/binary>> = Data, - State = do_hmac_update(State0, Increment), + State = notsup_to_error(hmac_update_nif(State0, Increment)), hmac_update(State, Rest, erlang:byte_size(Rest), MaxBytes). -do_hmac(md5, Key, Data) -> md5_mac(Key, Data); -do_hmac(sha, Key, Data) -> sha_mac(Key, Data); -do_hmac(sha224, Key, Data) -> sha224_mac(Key, Data); -do_hmac(sha256, Key, Data) -> sha256_mac(Key, Data); -do_hmac(sha384, Key, Data) -> sha384_mac(Key, Data); -do_hmac(sha512, Key, Data) -> sha512_mac(Key, Data). - -do_hmac(md5, Key, Data, Size) -> md5_mac_n(Key, Data, Size); -do_hmac(sha, Key, Data, Size) -> sha_mac_n(Key, Data, Size); -do_hmac(sha224, Key, Data, Size) -> sha224_mac(Key, Data, Size); -do_hmac(sha256, Key, Data, Size) -> sha256_mac(Key, Data, Size); -do_hmac(sha384, Key, Data, Size) -> sha384_mac(Key, Data, Size); -do_hmac(sha512, Key, Data, Size) -> sha512_mac(Key, Data, Size). - -do_hmac_update(_Context, _Data) -> ? nif_stub. +hmac_nif(_Type, _Key, _Data) -> ?nif_stub. +hmac_nif(_Type, _Key, _Data, _MacSize) -> ?nif_stub. +hmac_init_nif(_Type, _Key) -> ?nif_stub. +hmac_update_nif(_Context, _Data) -> ?nif_stub. +hmac_final_nif(_Context) -> ?nif_stub. +hmac_final_nif(_Context, _MacSize) -> ?nif_stub. %% %% MD5_MAC @@ -1002,97 +795,37 @@ do_hmac_update(_Context, _Data) -> ? nif_stub. -spec md5_mac(iodata(), iodata()) -> binary(). -spec md5_mac_96(iodata(), iodata()) -> binary(). -md5_mac(Key, Data) -> - md5_mac_n(Key,Data,16). +md5_mac(Key, Data) -> hmac(md5, Key, Data). -md5_mac_96(Key, Data) -> - md5_mac_n(Key,Data,12). +md5_mac_96(Key, Data) -> hmac(md5, Key, Data, 12). -md5_mac_n(_Key,_Data,_MacSz) -> ?nif_stub. - %% %% SHA_MAC %% -spec sha_mac(iodata(), iodata()) -> binary(). -spec sha_mac_96(iodata(), iodata()) -> binary(). -sha_mac(Key, Data) -> - sha_mac_n(Key,Data,20). - -sha_mac(Key, Data, Size) -> - sha_mac_n(Key, Data, Size). +sha_mac(Key, Data) -> hmac(sha, Key, Data). -sha_mac_96(Key, Data) -> - sha_mac_n(Key,Data,12). - -sha_mac_n(_Key,_Data,_MacSz) -> ?nif_stub. - -%% -%% SHA224_MAC -%% --spec sha224_mac(iodata(), iodata()) -> binary(). +sha_mac(Key, Data, Size) -> hmac(sha, Key, Data, Size). -sha224_mac(Key, Data) -> - sha224_mac(Key, Data, 224 div 8). +sha_mac_96(Key, Data) -> hmac(sha, Key, Data, 12). -sha224_mac(Key, Data, Size) -> - case sha224_mac_nif(Key, Data, Size) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. - -sha224_mac_nif(_Key,_Data,_MacSz) -> ?nif_stub. - -%% -%% SHA256_MAC -%% --spec sha256_mac(iodata(), iodata()) -> binary(). - -sha256_mac(Key, Data) -> - sha256_mac(Key, Data, 256 div 8). - -sha256_mac(Key, Data, Size) -> - case sha256_mac_nif(Key, Data, Size) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. - -sha256_mac_nif(_Key,_Data,_MacSz) -> ?nif_stub. - -%% -%% SHA384_MAC -%% --spec sha384_mac(iodata(), iodata()) -> binary(). - -sha384_mac(Key, Data) -> - sha384_mac(Key, Data, 384 div 8). - -sha384_mac(Key, Data, Size) -> - case sha384_mac_nif(Key, Data, Size) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. - -sha384_mac_nif(_Key,_Data,_MacSz) -> ?nif_stub. - -%% -%% SHA512_MAC -%% --spec sha512_mac(iodata(), iodata()) -> binary(). - -sha512_mac(Key, Data) -> - sha512_mac(Key, Data, 512 div 8). +%% CIPHERS -------------------------------------------------------------------- -sha512_mac(Key, Data, MacSz) -> - case sha512_mac_nif(Key, Data, MacSz) of - notsup -> erlang:error(notsup); - Bin -> Bin +block_crypt_nif(_Type, _Key, _Ivec, _Text, _IsEncrypt) -> ?nif_stub. +block_crypt_nif(_Type, _Key, _Text, _IsEncrypt) -> ?nif_stub. + +check_des3_key(Key) -> + case lists:map(fun erlang:iolist_to_binary/1, Key) of + ValidKey = [B1, B2, B3] when byte_size(B1) =:= 8, + byte_size(B2) =:= 8, + byte_size(B3) =:= 8 -> + ValidKey; + _ -> + error(badarg) end. -sha512_mac_nif(_Key,_Data,_MacSz) -> ?nif_stub. - -%% CIPHERS -------------------------------------------------------------------- - %% %% DES - in electronic codebook mode (ECB) %% @@ -1100,10 +833,9 @@ sha512_mac_nif(_Key,_Data,_MacSz) -> ?nif_stub. -spec des_ecb_decrypt(iodata(), iodata()) -> binary(). des_ecb_encrypt(Key, Data) -> - des_ecb_crypt(Key, Data, true). + block_encrypt(des_ecb, Key, Data). des_ecb_decrypt(Key, Data) -> - des_ecb_crypt(Key, Data, false). -des_ecb_crypt(_Key, _Data, _IsEncrypt) -> ?nif_stub. + block_decrypt(des_ecb, Key, Data). %% %% DES3 - in cipher block chaining mode (CBC) @@ -1114,16 +846,14 @@ des_ecb_crypt(_Key, _Data, _IsEncrypt) -> ?nif_stub. binary(). des3_cbc_encrypt(Key1, Key2, Key3, IVec, Data) -> - des_ede3_cbc_crypt(Key1, Key2, Key3, IVec, Data, true). + block_encrypt(des3_cbc, [Key1, Key2, Key3], IVec, Data). des_ede3_cbc_encrypt(Key1, Key2, Key3, IVec, Data) -> - des_ede3_cbc_crypt(Key1, Key2, Key3, IVec, Data, true). + block_encrypt(des_ede3, [Key1, Key2, Key3], IVec, Data). des3_cbc_decrypt(Key1, Key2, Key3, IVec, Data) -> - des_ede3_cbc_crypt(Key1, Key2, Key3, IVec, Data, false). + block_decrypt(des3_cbc, [Key1, Key2, Key3], IVec, Data). des_ede3_cbc_decrypt(Key1, Key2, Key3, IVec, Data) -> - des_ede3_cbc_crypt(Key1, Key2, Key3, IVec, Data, false). - -des_ede3_cbc_crypt(_Key1, _Key2, _Key3, _IVec, _Data, _IsEncrypt) -> ?nif_stub. + block_decrypt(des_ede3, [Key1, Key2, Key3], IVec, Data). %% %% DES3 - in 8-bits cipher feedback mode (CFB) @@ -1134,18 +864,10 @@ des_ede3_cbc_crypt(_Key1, _Key2, _Key3, _IVec, _Data, _IsEncrypt) -> ?nif_stub. binary(). des3_cfb_encrypt(Key1, Key2, Key3, IVec, Data) -> - des_ede3_cfb_crypt(Key1, Key2, Key3, IVec, Data, true). + block_encrypt(des3_cbf, [Key1, Key2, Key3], IVec, Data). des3_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) -> - case des_ede3_cfb_crypt_nif(Key1,Key2,Key3,IVec,Data,IsEncrypt) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. - -des_ede3_cfb_crypt_nif(_Key1, _Key2, _Key3, _IVec, _Data, _IsEncrypt) -> ?nif_stub. + block_decrypt(des3_cbf, [Key1, Key2, Key3], IVec, Data). %% %% Blowfish @@ -1159,62 +881,38 @@ des_ede3_cfb_crypt_nif(_Key1, _Key2, _Key3, _IVec, _Data, _IsEncrypt) -> ?nif_st -spec blowfish_ofb64_encrypt(iodata(), binary(), iodata()) -> binary(). blowfish_ecb_encrypt(Key, Data) -> - bf_ecb_crypt(Key,Data, true). + block_encrypt(blowfish_ecb, Key, Data). blowfish_ecb_decrypt(Key, Data) -> - bf_ecb_crypt(Key,Data, false). - -bf_ecb_crypt(_Key,_Data,_IsEncrypt) -> ?nif_stub. + block_decrypt(blowfish_ecb, Key, Data). blowfish_cbc_encrypt(Key, IVec, Data) -> - bf_cbc_crypt(Key,IVec,Data,true). + block_encrypt(blowfish_cbc, Key, IVec, Data). blowfish_cbc_decrypt(Key, IVec, Data) -> - bf_cbc_crypt(Key,IVec,Data,false). - -bf_cbc_crypt(_Key,_IVec,_Data,_IsEncrypt) -> ?nif_stub. + block_decrypt(blowfish_cbc, Key, IVec, Data). blowfish_cfb64_encrypt(Key, IVec, Data) -> - bf_cfb64_crypt(Key, IVec, Data, true). + block_encrypt(blowfish_cfb64, Key, IVec, Data). blowfish_cfb64_decrypt(Key, IVec, Data) -> - bf_cfb64_crypt(Key, IVec, Data, false). - -bf_cfb64_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. - -blowfish_ofb64_decrypt(Key, Ivec, Data) -> - blowfish_ofb64_encrypt(Key, Ivec, Data). + block_decrypt(blowfish_cfb64, Key, IVec, Data). -blowfish_ofb64_encrypt(_Key, _IVec, _Data) -> ?nif_stub. +blowfish_ofb64_encrypt(Key, IVec, Data) -> + block_encrypt(blowfish_ofb64, Key, IVec, Data). %% -%% AES in cipher feedback mode (CFB) - 8 bit shift -%% --spec aes_cfb_8_encrypt(iodata(), binary(), iodata()) -> binary(). --spec aes_cfb_8_decrypt(iodata(), binary(), iodata()) -> binary(). - -aes_cfb_8_encrypt(Key, IVec, Data) -> - aes_cfb_8_crypt(Key, IVec, Data, true). - -aes_cfb_8_decrypt(Key, IVec, Data) -> - aes_cfb_8_crypt(Key, IVec, Data, false). - -aes_cfb_8_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. - -%% %% AES in cipher feedback mode (CFB) - 128 bit shift %% -spec aes_cfb_128_encrypt(iodata(), binary(), iodata()) -> binary(). -spec aes_cfb_128_decrypt(iodata(), binary(), iodata()) -> binary(). aes_cfb_128_encrypt(Key, IVec, Data) -> - aes_cfb_128_crypt(Key, IVec, Data, true). + block_encrypt(aes_cfb128, Key, IVec, Data). aes_cfb_128_decrypt(Key, IVec, Data) -> - aes_cfb_128_crypt(Key, IVec, Data, false). - -aes_cfb_128_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. + block_decrypt(aes_cfb128, Key, IVec, Data). %% %% AES - in Galois/Counter Mode (GCM) @@ -1235,12 +933,10 @@ chacha20_poly1305_decrypt(_Key, _Ivec, _AAD, _In, _Tag) -> ?nif_stub. -spec des_cbc_decrypt(iodata(), binary(), iodata()) -> binary(). des_cbc_encrypt(Key, IVec, Data) -> - des_cbc_crypt(Key, IVec, Data, true). + block_encrypt(des_cbc, Key, IVec, Data). des_cbc_decrypt(Key, IVec, Data) -> - des_cbc_crypt(Key, IVec, Data, false). - -des_cbc_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. + block_decrypt(des_cbc, Key, IVec, Data). %% %% dec_cbc_ivec(Data) -> binary() @@ -1250,11 +946,8 @@ des_cbc_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. %% -spec des_cbc_ivec(iodata()) -> binary(). -des_cbc_ivec(Data) when is_binary(Data) -> - {_, IVec} = split_binary(Data, size(Data) - 8), - IVec; -des_cbc_ivec(Data) when is_list(Data) -> - des_cbc_ivec(list_to_binary(Data)). +des_cbc_ivec(Data) -> + next_iv(des_cbc, Data). %% %% DES - in 8-bits cipher feedback mode (CFB) @@ -1263,12 +956,10 @@ des_cbc_ivec(Data) when is_list(Data) -> -spec des_cfb_decrypt(iodata(), binary(), iodata()) -> binary(). des_cfb_encrypt(Key, IVec, Data) -> - des_cfb_crypt(Key, IVec, Data, true). + block_encrypt(des_cfb, Key, IVec, Data). des_cfb_decrypt(Key, IVec, Data) -> - des_cfb_crypt(Key, IVec, Data, false). - -des_cfb_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. + block_decrypt(des_cfb, Key, IVec, Data). %% %% dec_cfb_ivec(IVec, Data) -> binary() @@ -1280,9 +971,7 @@ des_cfb_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. -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. + next_iv(des_cfb, Data, IVec). %% @@ -1298,18 +987,16 @@ des_cfb_ivec(IVec, Data) -> binary(). aes_cbc_128_encrypt(Key, IVec, Data) -> - aes_cbc_crypt(Key, IVec, Data, true). + block_encrypt(aes_cbc128, Key, IVec, Data). aes_cbc_128_decrypt(Key, IVec, Data) -> - aes_cbc_crypt(Key, IVec, Data, false). + block_decrypt(aes_cbc128, Key, IVec, Data). aes_cbc_256_encrypt(Key, IVec, Data) -> - aes_cbc_crypt(Key, IVec, Data, true). + block_encrypt(aes_cbc256, Key, IVec, Data). aes_cbc_256_decrypt(Key, IVec, Data) -> - aes_cbc_crypt(Key, IVec, Data, false). - -aes_cbc_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. + block_decrypt(aes_cbc256, Key, IVec, Data). %% %% aes_cbc_ivec(Data) -> binary() @@ -1318,47 +1005,15 @@ aes_cbc_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. %% aes_cbc_*_[encrypt|decrypt]. %% IVec size: 16 bytes %% -aes_cbc_ivec(Data) when is_binary(Data) -> - {_, IVec} = split_binary(Data, size(Data) - 16), - IVec; -aes_cbc_ivec(Data) when is_list(Data) -> - aes_cbc_ivec(list_to_binary(Data)). - +aes_cbc_ivec(Data) -> + next_iv(aes_cbc, Data). %% %% AES - with 256 bit key in infinite garble extension mode (IGE) %% --spec aes_ige_256_decrypt(iodata(), binary(), iodata()) -> - binary(). - -aes_ige_256_encrypt(Key, IVec, Data) -> - aes_ige_crypt(Key, IVec, Data, true). - -aes_ige_256_decrypt(Key, IVec, Data) -> - aes_ige_crypt(Key, IVec, Data, false). - -aes_ige_crypt(Key, IVec, Data, IsEncrypt) -> - case aes_ige_crypt_nif(Key,IVec,Data,IsEncrypt) of - notsup -> erlang:error(notsup); - Bin -> Bin - end. - aes_ige_crypt_nif(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. -%% -%% aes_ige_ivec(Data) -> binary() -%% -%% Returns the IVec to be used in the next iteration of -%% aes_ige_*_[encrypt|decrypt]. -%% IVec size: 32 bytes -%% -aes_ige_ivec(Data) when is_binary(Data) -> - {_, IVec} = split_binary(Data, size(Data) - 32), - IVec; -aes_ige_ivec(Data) when is_list(Data) -> - aes_ige_ivec(list_to_binary(Data)). - %% Stream ciphers -------------------------------------------------------------------- @@ -1397,22 +1052,11 @@ do_stream_decrypt({rc4, State0}, Data) -> aes_ctr_encrypt(_Key, _IVec, _Data) -> ?nif_stub. aes_ctr_decrypt(_Key, _IVec, _Cipher) -> ?nif_stub. -%% -%% AES - in electronic codebook mode (ECB) -%% -aes_ecb_encrypt(Key, Data) -> - aes_ecb_crypt(Key, Data, true). - -aes_ecb_decrypt(Key, Data) -> - aes_ecb_crypt(Key, Data, false). - -aes_ecb_crypt(_Key, __Data, _IsEncrypt) -> ?nif_stub. - %% %% AES - in counter mode (CTR) with state maintained for multi-call streaming %% --type ctr_state() :: { iodata(), binary(), binary(), integer() }. +-type ctr_state() :: { iodata(), binary(), binary(), integer() } | binary(). -spec aes_ctr_stream_init(iodata(), binary()) -> ctr_state(). -spec aes_ctr_stream_encrypt(ctr_state(), binary()) -> @@ -1420,10 +1064,9 @@ aes_ecb_crypt(_Key, __Data, _IsEncrypt) -> ?nif_stub. -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. +aes_ctr_stream_init(_Key, _IVec) -> ?nif_stub. +aes_ctr_stream_encrypt(_State, _Data) -> ?nif_stub. +aes_ctr_stream_decrypt(_State, _Cipher) -> ?nif_stub. %% %% RC4 - symmetric stream cipher @@ -1438,21 +1081,19 @@ rc4_encrypt_with_state(_State, _Data) -> ?nif_stub. %% RC2 block cipher rc2_cbc_encrypt(Key, IVec, Data) -> - rc2_cbc_crypt(Key,IVec,Data,true). + block_encrypt(rc2_cbc, Key, IVec, Data). rc2_cbc_decrypt(Key, IVec, Data) -> - rc2_cbc_crypt(Key,IVec,Data,false). - -rc2_cbc_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. + block_decrypt(rc2_cbc, Key, IVec, Data). %% %% RC2 - 40 bits block cipher - Backwards compatibility not documented. %% rc2_40_cbc_encrypt(Key, IVec, Data) when erlang:byte_size(Key) == 5 -> - rc2_cbc_crypt(Key,IVec,Data,true). + block_encrypt(rc2_cbc, Key, IVec, Data). rc2_40_cbc_decrypt(Key, IVec, Data) when erlang:byte_size(Key) == 5 -> - rc2_cbc_crypt(Key,IVec,Data,false). + block_decrypt(rc2_cbc, Key, IVec, Data). %% Secure remote password ------------------------------------------------------------------- @@ -1470,16 +1111,18 @@ host_srp_gen_key(Private, Verifier, Generator, Prime, Version) -> case srp_value_B_nif(Multiplier, Verifier, Generator, Private, Prime) of error -> error; + notsup -> + erlang:error(notsup); Public -> {Public, Private} end. srp_multiplier('6a', Generator, Prime) -> %% k = SHA1(N | PAD(g)) from http://srp.stanford.edu/design.html - C0 = sha_init(), - C1 = sha_update(C0, Prime), - C2 = sha_update(C1, srp_pad_to(erlang:byte_size(Prime), Generator)), - sha_final(C2); + C0 = hash_init(sha), + C1 = hash_update(C0, Prime), + C2 = hash_update(C1, srp_pad_to(erlang:byte_size(Prime), Generator)), + hash_final(C2); srp_multiplier('6', _, _) -> <<3/integer>>; srp_multiplier('3', _, _) -> @@ -1488,10 +1131,10 @@ srp_multiplier('3', _, _) -> srp_scrambler(Version, UserPublic, HostPublic, Prime) when Version == '6'; Version == '6a'-> %% SHA1(PAD(A) | PAD(B)) from http://srp.stanford.edu/design.html PadLength = erlang:byte_size(Prime), - C0 = sha_init(), - C1 = sha_update(C0, srp_pad_to(PadLength, UserPublic)), - C2 = sha_update(C1, srp_pad_to(PadLength, HostPublic)), - sha_final(C2); + C0 = hash_init(sha), + C1 = hash_update(C0, srp_pad_to(PadLength, UserPublic)), + C2 = hash_update(C1, srp_pad_to(PadLength, HostPublic)), + hash_final(C2); srp_scrambler('3', _, HostPublic, _Prime) -> %% The parameter u is a 32-bit unsigned integer which takes its value %% from the first 32 bits of the SHA1 hash of B, MSB first. @@ -1515,13 +1158,13 @@ srp_value_B_nif(_Multiplier, _Verifier, _Generator, _Exponent, _Prime) -> ?nif_s %% Digital signatures -------------------------------------------------------------------- -rsa_sign_nif(_Type,_Data,_Key) -> ?nif_stub. -dss_sign_nif(_Type,_Data,_Key) -> ?nif_stub. -ecdsa_sign_nif(_Type, _DataOrDigest, _Curve, _Key) -> ?nif_stub. +rsa_sign_nif(_Type,_Digest,_Key) -> ?nif_stub. +dss_sign_nif(_Type,_Digest,_Key) -> ?nif_stub. +ecdsa_sign_nif(_Type, _Digest, _Curve, _Key) -> ?nif_stub. -dss_verify_nif(_Type, _Data, _Signature, _Key) -> ?nif_stub. -rsa_verify_nif(_Type, _Data, _Signature, _Key) -> ?nif_stub. -ecdsa_verify_nif(_Type, _DataOrDigest, _Signature, _Curve, _Key) -> ?nif_stub. +dss_verify_nif(_Type, _Digest, _Signature, _Key) -> ?nif_stub. +rsa_verify_nif(_Type, _Digest, _Signature, _Key) -> ?nif_stub. +ecdsa_verify_nif(_Type, _Digest, _Signature, _Curve, _Key) -> ?nif_stub. %% Public Keys -------------------------------------------------------------------- %% DH Diffie-Hellman functions |