diff options
Diffstat (limited to 'lib/crypto/src/crypto.erl')
| -rw-r--r-- | lib/crypto/src/crypto.erl | 748 |
1 files changed, 630 insertions, 118 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl index 1328a95e87..f4e157198c 100644 --- a/lib/crypto/src/crypto.erl +++ b/lib/crypto/src/crypto.erl @@ -21,100 +21,220 @@ -module(crypto). --export([start/0, stop/0, info/0, info_lib/0, version/0]). +-export([start/0, stop/0, info_lib/0, algorithms/0, version/0]). -export([hash/2, hash_init/1, hash_update/2, hash_final/1]). +-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([exor/2, strong_rand_bytes/1, mod_pow/3]). +-export([rand_bytes/1, rand_bytes/3, rand_uniform/2]). +-export([block_encrypt/3, block_decrypt/3, block_encrypt/4, block_decrypt/4]). +-export([next_iv/2, next_iv/3]). +-export([stream_init/2, stream_init/3, stream_encrypt/2, stream_decrypt/2]). +-export([public_encrypt/4, private_decrypt/4]). +-export([private_encrypt/4, public_decrypt/4]). + +-export([dh_generate_parameters/2, dh_check/1]). %% Testing see + +%% DEPRECATED +%% Replaced by hash_* -export([md4/1, md4_init/0, md4_update/2, md4_final/1]). -export([md5/1, md5_init/0, md5_update/2, md5_final/1]). -export([sha/1, sha_init/0, sha_update/2, sha_final/1]). --export([sha224/1, sha224_init/0, sha224_update/2, sha224_final/1]). --export([sha256/1, sha256_init/0, sha256_update/2, sha256_final/1]). --export([sha384/1, sha384_init/0, sha384_update/2, sha384_final/1]). --export([sha512/1, sha512_init/0, sha512_update/2, sha512_final/1]). +-deprecated({md4, 1, next_major_release}). +-deprecated({md5, 1, next_major_release}). +-deprecated({sha, 1, next_major_release}). +-deprecated({md4_init, 0, next_major_release}). +-deprecated({md5_init, 0, next_major_release}). +-deprecated({sha_init, 0, next_major_release}). +-deprecated({md4_update, 2, next_major_release}). +-deprecated({md5_update, 2, next_major_release}). +-deprecated({sha_update, 2, next_major_release}). +-deprecated({md4_final, 1, next_major_release}). +-deprecated({md5_final, 1, next_major_release}). +-deprecated({sha_final, 1, next_major_release}). + +%% Replaced by hmac_* -export([md5_mac/2, md5_mac_96/2, sha_mac/2, sha_mac/3, sha_mac_96/2]). --export([sha224_mac/2, sha224_mac/3]). --export([sha256_mac/2, sha256_mac/3]). --export([sha384_mac/2, sha384_mac/3]). --export([sha512_mac/2, sha512_mac/3]). --export([hmac/3, hmac/4, hmac_init/2, hmac_update/2, hmac_final/1, hmac_final_n/2]). +-deprecated({md5_mac, 2, next_major_release}). +-deprecated({md5_mac_96, 2, next_major_release}). +-deprecated({sha_mac, 2, next_major_release}). +-deprecated({sha_mac, 3, next_major_release}). +-deprecated({sha_mac_96, 2, next_major_release}). + +%% Replaced by sign/verify +-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]). +-deprecated({dss_verify, 3, next_major_release}). +-deprecated({dss_verify, 4, next_major_release}). +-deprecated({rsa_verify, 3, next_major_release}). +-deprecated({rsa_verify, 4, next_major_release}). +-deprecated({dss_sign, 2, next_major_release}). +-deprecated({dss_sign, 3, next_major_release}). +-deprecated({rsa_sign, 2, next_major_release}). +-deprecated({rsa_sign, 3, next_major_release}). + +%% Replaced by generate_key +-export([dh_generate_key/1, dh_generate_key/2, dh_compute_key/3]). +-deprecated({dh_generate_key, 1, next_major_release}). +-deprecated({dh_generate_key, 2, next_major_release}). +-deprecated({dh_compute_key, 3, next_major_release}). + +%% Replaced by mod_exp_prim and no longer needed +-export([mod_exp/3, mpint/1, erlint/1, strong_rand_mpint/3]). +-deprecated({mod_exp, 3, next_major_release}). +-deprecated({mpint, 1, next_major_release}). +-deprecated({erlint, 1, next_major_release}). +-deprecated({strong_rand_mpint, 3, next_major_release}). + +%% Replaced by block_* -export([des_cbc_encrypt/3, des_cbc_decrypt/3, des_cbc_ivec/1]). +-export([des3_cbc_encrypt/5, des3_cbc_decrypt/5]). -export([des_ecb_encrypt/2, des_ecb_decrypt/2]). +-export([des_ede3_cbc_encrypt/5, des_ede3_cbc_decrypt/5]). -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]). +-deprecated({des_cbc_encrypt, 3, next_major_release}). +-deprecated({des_cbc_decrypt, 3, next_major_release}). +-deprecated({des_cbc_ivec, 1, next_major_release}). +-deprecated({des3_cbc_encrypt, 5, next_major_release}). +-deprecated({des3_cbc_decrypt, 5, next_major_release}). +-deprecated({des_ecb_encrypt, 2, next_major_release}). +-deprecated({des_ecb_decrypt, 2, next_major_release}). +-deprecated({des_ede3_cbc_encrypt, 5, next_major_release}). +-deprecated({des_ede3_cbc_decrypt, 5, next_major_release}). +-deprecated({des_cfb_encrypt, 3, next_major_release}). +-deprecated({des_cfb_decrypt, 3, next_major_release}). +-deprecated({des_cfb_ivec, 2, next_major_release}). +-deprecated({des3_cfb_encrypt, 5, next_major_release}). +-deprecated({des3_cfb_decrypt, 5, next_major_release}). -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]). -export([blowfish_ofb64_encrypt/3]). --export([des_ede3_cbc_encrypt/5, des_ede3_cbc_decrypt/5]). +-deprecated({blowfish_ecb_encrypt, 2, next_major_release}). +-deprecated({blowfish_ecb_decrypt, 2, next_major_release}). +-deprecated({blowfish_cbc_encrypt, 3, next_major_release}). +-deprecated({blowfish_cbc_decrypt, 3, next_major_release}). +-deprecated({blowfish_cfb64_encrypt, 3, next_major_release}). +-deprecated({blowfish_cfb64_decrypt, 3, next_major_release}). +-deprecated({blowfish_ofb64_encrypt, 3, next_major_release}). -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_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]). --export([rsa_private_encrypt/3, rsa_public_decrypt/3]). --export([dh_generate_key/1, dh_generate_key/2, dh_compute_key/3]). --export([rand_bytes/1, rand_bytes/3, rand_uniform/2]). --export([strong_rand_bytes/1, strong_rand_mpint/3]). --export([mod_exp/3, mpint/1, erlint/1]). -%% -export([idea_cbc_encrypt/3, idea_cbc_decrypt/3]). -export([aes_cbc_128_encrypt/3, aes_cbc_128_decrypt/3]). -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]). +-deprecated({aes_cfb_128_encrypt, 3, next_major_release}). +-deprecated({aes_cfb_128_decrypt, 3, next_major_release}). +-deprecated({aes_cbc_128_encrypt, 3, next_major_release}). +-deprecated({aes_cbc_128_decrypt, 3, next_major_release}). +-deprecated({aes_cbc_256_encrypt, 3, next_major_release}). +-deprecated({aes_cbc_256_decrypt, 3, next_major_release}). +-deprecated({aes_cbc_ivec, 1, next_major_release}). +-export([rc2_cbc_encrypt/3, rc2_cbc_decrypt/3]). +-export([rc2_40_cbc_encrypt/3, rc2_40_cbc_decrypt/3]). +-deprecated({rc2_cbc_encrypt, 3, next_major_release}). +-deprecated({rc2_cbc_decrypt, 3, next_major_release}). +%% allready replaced by above! +-deprecated({rc2_40_cbc_encrypt, 3, next_major_release}). +-deprecated({rc2_40_cbc_decrypt, 3, next_major_release}). + +%% Replaced by stream_* -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 - - --define(FUNC_LIST, [md4, md4_init, md4_update, md4_final, +-export([rc4_set_key/1, rc4_encrypt_with_state/2]). +-deprecated({aes_ctr_stream_init, 2, next_major_release}). +-deprecated({aes_ctr_stream_encrypt, 2, next_major_release}). +-deprecated({aes_ctr_stream_decrypt, 2, next_major_release}). +-deprecated({rc4_set_key, 1, next_major_release}). +-deprecated({rc4_encrypt_with_state, 2, next_major_release}). + +%% Not needed special case of stream_* +-export([aes_ctr_encrypt/3, aes_ctr_decrypt/3, rc4_encrypt/2]). +-deprecated({aes_ctr_encrypt, 3, next_major_release}). +-deprecated({aes_ctr_decrypt, 3, next_major_release}). +-deprecated({rc4_encrypt, 2, next_major_release}). + +%% Replace by public/private_encrypt/decrypt +-export([rsa_public_encrypt/3, rsa_private_decrypt/3]). +-export([rsa_private_encrypt/3, rsa_public_decrypt/3]). +-deprecated({rsa_public_encrypt, 3, next_major_release}). +-deprecated({rsa_private_decrypt, 3, next_major_release}). +-deprecated({rsa_public_decrypt, 3, next_major_release}). +-deprecated({rsa_private_encrypt, 3, next_major_release}). + +%% Replaced by crypto:module_info() +-export([info/0]). +-deprecated({info, 0, next_major_release}). + +-define(FUNC_LIST, [hash, hash_init, hash_update, hash_final, + hmac, hmac_init, hmac_update, hmac_final, hmac_final_n, + %% deprecated + md4, md4_init, md4_update, md4_final, md5, md5_init, md5_update, md5_final, sha, sha_init, sha_update, sha_final, - sha224, sha224_init, sha224_update, sha224_final, - sha256, sha256_init, sha256_update, sha256_final, - sha384, sha384_init, sha384_update, sha384_final, - sha512, sha512_init, sha512_update, sha512_final, md5_mac, md5_mac_96, sha_mac, sha_mac_96, - sha224_mac, sha256_mac, sha384_mac, sha512_mac, + %% + block_encrypt, block_decrypt, + %% deprecated des_cbc_encrypt, des_cbc_decrypt, des_cfb_encrypt, des_cfb_decrypt, des_ecb_encrypt, des_ecb_decrypt, des3_cbc_encrypt, des3_cbc_decrypt, des3_cfb_encrypt, des3_cfb_decrypt, aes_cfb_128_encrypt, aes_cfb_128_decrypt, + rc2_cbc_encrypt, rc2_cbc_decrypt, + rc2_40_cbc_encrypt, rc2_40_cbc_decrypt, + aes_cbc_128_encrypt, aes_cbc_128_decrypt, + aes_cbc_256_encrypt, aes_cbc_256_decrypt, + blowfish_cbc_encrypt, blowfish_cbc_decrypt, + blowfish_cfb64_encrypt, blowfish_cfb64_decrypt, + blowfish_ecb_encrypt, blowfish_ecb_decrypt, blowfish_ofb64_encrypt, + %% rand_bytes, strong_rand_bytes, - strong_rand_mpint, rand_uniform, - mod_exp, + mod_pow, + exor, + %% deprecated + mod_exp,strong_rand_mpint,erlint, mpint, + %% + sign, verify, generate_key, compute_key, + %% deprecated dss_verify,dss_sign, rsa_verify,rsa_sign, rsa_public_encrypt,rsa_private_decrypt, rsa_private_encrypt,rsa_public_decrypt, dh_generate_key, dh_compute_key, - aes_cbc_128_encrypt, aes_cbc_128_decrypt, - exor, + %% + stream_init, stream_encrypt, stream_decrypt, + %% deprecated rc4_encrypt, rc4_set_key, rc4_encrypt_with_state, - 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_stream_init, aes_ctr_stream_encrypt, aes_ctr_stream_decrypt, - aes_cbc_ivec, blowfish_cbc_encrypt, blowfish_cbc_decrypt, - blowfish_cfb64_encrypt, blowfish_cfb64_decrypt, - 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, hmac_init, hmac_update, hmac_final, hmac_final_n, info, - rc2_cbc_encrypt, rc2_cbc_decrypt, - info_lib]). - + %% + next_iv, + %% deprecated + aes_cbc_ivec, + des_cbc_ivec, des_cfb_ivec, + info, + %% + info_lib, algorithms]). + +-type mpint() :: binary(). -type rsa_digest_type() :: 'md5' | 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'. -type dss_digest_type() :: 'none' | 'sha'. +%%-type ecdsa_digest_type() :: 'md5' | 'sha' | 'sha256' | 'sha384' | 'sha512'. -type data_or_digest() :: binary() | {digest, binary()}. -type crypto_integer() :: binary() | integer(). +-type ec_key_res() :: any(). %% nif resource +-type ec_named_curve() :: atom(). +-type ec_point() :: crypto_integer(). +-type ec_basis() :: {tpbasis, K :: non_neg_integer()} | {ppbasis, K1 :: non_neg_integer(), K2 :: non_neg_integer(), K3 :: non_neg_integer()} | onbasis. +-type ec_field() :: {prime_field, Prime :: integer()} | {characteristic_two_field, M :: integer(), Basis :: ec_basis()}. +-type ec_prime() :: {A :: crypto_integer(), B :: crypto_integer(), Seed :: binary() | none}. +-type ec_curve_spec() :: {Field :: ec_field(), Prime :: ec_prime(), Point :: crypto_integer(), Order :: integer(), CoFactor :: none | integer()}. +-type ec_curve() :: ec_named_curve() | ec_curve_spec(). +-type ec_key() :: {Curve :: ec_curve(), PrivKey :: binary() | undefined, PubKey :: ec_point() | undefined}. -define(nif_stub,nif_stub_error(?LINE)). @@ -184,6 +304,8 @@ info() -> info_lib() -> ?nif_stub. +algorithms() -> ?nif_stub. + %% Crypto app version history: %% (no version): Driver implementation %% 2.0 : NIF implementation, requires OTP R14 @@ -559,6 +681,110 @@ sha512_mac(Key, Data, MacSz) -> sha512_mac_nif(_Key,_Data,_MacSz) -> ?nif_stub. + +%% Ecrypt/decrypt %%% + +-spec block_encrypt(des_cbc | des_cfb | des3_cbc | des3_cbf | des_ede3 | blowfish_cbc | + blowfish_cfb64 | aes_cbc128 | aes_cfb128 | aes_cbc256 | rc2_cbc, + Key::iodata(), Ivec::binary(), Data::iodata()) -> 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(aes_cfb128, Key, Ivec, Data) -> + aes_cfb_128_encrypt(Key, Ivec, Data); +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_cfb128 | rc2_cbc, + Key::iodata(), Ivec::binary(), Data::iodata()) -> binary(). + +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_ofb, 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(aes_cfb128, Key, Ivec, Data) -> + aes_cfb_128_decrypt(Key, Ivec, Data); +block_decrypt(rc2_cbc, Key, Ivec, Data) -> + rc2_cbc_decrypt(Key, Ivec, Data). + +-spec block_encrypt(des_ecb | blowfish_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). + +-spec block_decrypt(des_ecb | blowfish_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). + +-spec next_iv(des_cbc | aes_cbc, Data::iodata()) -> binary(). + +next_iv(des_cbc, Data) -> + des_cbc_ivec(Data); +next_iv(aes_cbc, Data) -> + aes_cbc_ivec(Data). + +-spec next_iv(des_cbf, Ivec::binary(), Data::iodata()) -> binary(). + +next_iv(des_cbf, Ivec, Data) -> + des_cfb_ivec(Ivec, Data). + +stream_init(aes_ctr, Key, Ivec) -> + {aes_ctr, aes_ctr_stream_init(Key, Ivec)}. +stream_init(rc4, Key) -> + {rc4, rc4_set_key(Key)}. +stream_encrypt({aes_ctr, State}, Data) -> + {State, Cipher} = aes_ctr_stream_encrypt(State, Data), + {{aes_ctr, State}, Cipher}; +stream_encrypt({rc4, State0}, Data) -> + {State, Cipher} = rc4_encrypt_with_state(State0, Data), + {{rc4, State}, Cipher}. +stream_decrypt({aes_ctr, State0}, Data) -> + {State, Text} = aes_ctr_stream_decrypt(State0, Data), + {{aes_ctr, State}, Text}; +stream_decrypt({rc4, State0}, Data) -> + {State, Text} = rc4_encrypt_with_state (State0, Data), + {{rc4, State}, Text}. + %% %% CRYPTO FUNCTIONS %% @@ -707,8 +933,12 @@ blowfish_cfb64_decrypt(Key, IVec, Data) -> bf_cfb64_crypt(_Key, _IVec, _Data, _IsEncrypt) -> ?nif_stub. +blowfish_ofb64_decrypt(Key, Ivec, Data) -> + blowfish_ofb64_encrypt(Key, Ivec, Data). + blowfish_ofb64_encrypt(_Key, _IVec, _Data) -> ?nif_stub. + %% %% AES in cipher feedback mode (CFB) %% @@ -783,21 +1013,24 @@ rand_uniform_pos(_,_) -> rand_uniform_nif(_From,_To) -> ?nif_stub. %% -%% mod_exp - utility for rsa generation +%% mod_exp - utility for rsa generation and SRP %% mod_exp(Base, Exponent, Modulo) when is_integer(Base), is_integer(Exponent), is_integer(Modulo) -> - erlint(mod_exp(mpint(Base), mpint(Exponent), mpint(Modulo))); + bin_to_int(mod_exp_nif(int_to_bin(Base), int_to_bin(Exponent), int_to_bin(Modulo), 0)); mod_exp(Base, Exponent, Modulo) -> - case mod_exp_nif(Base,Exponent,Modulo) of - <<Len:32/integer, MSB, Rest/binary>> when MSB > 127 -> - <<(Len + 1):32/integer, 0, MSB, Rest/binary>>; - Whatever -> - Whatever + mod_exp_nif(mpint_to_bin(Base),mpint_to_bin(Exponent),mpint_to_bin(Modulo), 4). + +-spec mod_pow(binary()|integer(), binary()|integer(), binary()|integer()) -> binary() | error. +mod_pow(Base, Exponent, Prime) -> + case mod_exp_nif(ensure_int_as_bin(Base), ensure_int_as_bin(Exponent), ensure_int_as_bin(Prime), 0) of + <<0>> -> error; + R -> R end. -mod_exp_nif(_Base,_Exp,_Mod) -> ?nif_stub. + +mod_exp_nif(_Base,_Exp,_Mod,_bin_hdr) -> ?nif_stub. %% %% DSS, RSA - verify @@ -810,19 +1043,40 @@ mod_exp_nif(_Base,_Exp,_Mod) -> ?nif_stub. %% Key = [P,Q,G,Y] P,Q,G=DSSParams Y=PublicKey dss_verify(Data,Signature,Key) -> - dss_verify(sha, Data, Signature, Key). -dss_verify(_Type,_Data,_Signature,_Key) -> ?nif_stub. + dss_verify(sha, Data, Signature, Key). + +dss_verify(Type,Data,Signature,Key) when is_binary(Data), Type=/=none -> + verify(dss,Type,mpint_to_bin(Data),mpint_to_bin(Signature),map_mpint_to_bin(Key)); +dss_verify(Type,Digest,Signature,Key) -> + verify(dss,Type,Digest,mpint_to_bin(Signature),map_mpint_to_bin(Key)). % Key = [E,N] E=PublicExponent N=PublicModulus rsa_verify(Data,Signature,Key) -> - rsa_verify_nif(sha, Data,Signature,Key). -rsa_verify(Type, DataOrDigest, Signature, Key) -> - case rsa_verify_nif(Type, DataOrDigest, Signature, Key) of + rsa_verify(sha, Data,Signature,Key). +rsa_verify(Type, Data, Signature, Key) when is_binary(Data) -> + verify(rsa, Type, mpint_to_bin(Data), mpint_to_bin(Signature), map_mpint_to_bin(Key)); +rsa_verify(Type, Digest, Signature, Key) -> + verify(rsa, Type, Digest, mpint_to_bin(Signature), map_mpint_to_bin(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, term_to_ec_key({Curve, undefined, Key})) of + notsup -> erlang:error(notsup); + Bool -> Bool end. + +dss_verify_nif(_Type, _Data, _Signature, _Key) -> ?nif_stub. rsa_verify_nif(_Type, _Data, _Signature, _Key) -> ?nif_stub. +ecdsa_verify_nif(_Type, _DataOrDigest, _Signature, _Key) -> ?nif_stub. %% @@ -836,24 +1090,103 @@ rsa_verify_nif(_Type, _Data, _Signature, _Key) -> ?nif_stub. dss_sign(DataOrDigest,Key) -> dss_sign(sha,DataOrDigest,Key). -dss_sign(Type, DataOrDigest, Key) -> - case dss_sign_nif(Type,DataOrDigest,Key) of - error -> erlang:error(badkey, [DataOrDigest, Key]); - Sign -> Sign - end. +dss_sign(Type, Data, Key) when is_binary(Data), Type=/=none -> + sign(dss, Type, mpint_to_bin(Data), map_mpint_to_bin(Key)); +dss_sign(Type, Digest, Key) -> + sign(dss, Type, Digest, map_mpint_to_bin(Key)). -dss_sign_nif(_Type,_Data,_Key) -> ?nif_stub. %% Key = [E,N,D] E=PublicExponent N=PublicModulus D=PrivateExponent rsa_sign(DataOrDigest,Key) -> rsa_sign(sha, DataOrDigest, Key). -rsa_sign(Type, DataOrDigest, Key) -> - case rsa_sign_nif(Type,DataOrDigest,Key) of + +rsa_sign(Type, Data, Key) when is_binary(Data) -> + sign(rsa, Type, mpint_to_bin(Data), map_mpint_to_bin(Key)); +rsa_sign(Type, Digest, Key) -> + sign(rsa, Type, Digest, map_mpint_to_bin(Key)). + +map_mpint_to_bin(List) -> + lists:map(fun(E) -> mpint_to_bin(E) end, List ). + +map_ensure_int_as_bin([H|_]=List) when is_integer(H) -> + lists:map(fun(E) -> int_to_bin(E) end, List); +map_ensure_int_as_bin(List) -> + List. + +ensure_int_as_bin(Int) when is_integer(Int) -> + int_to_bin(Int); +ensure_int_as_bin(Bin) -> + Bin. + +map_to_norm_bin([H|_]=List) when is_integer(H) -> + lists:map(fun(E) -> int_to_bin(E) end, List); +map_to_norm_bin(List) -> + lists:map(fun(E) -> mpint_to_bin(E) end, List). + + +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 -> 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 -> Sign + end; +sign(ecdsa, Type, DataOrDigest, [Key, Curve]) -> + case ecdsa_sign_nif(Type, DataOrDigest, term_to_ec_key({Curve, Key, undefined})) of error -> erlang:error(badkey, [Type,DataOrDigest,Key]); Sign -> Sign end. rsa_sign_nif(_Type,_Data,_Key) -> ?nif_stub. +dss_sign_nif(_Type,_Data,_Key) -> ?nif_stub. +ecdsa_sign_nif(_Type, _DataOrDigest, _Key) -> ?nif_stub. + + + + +-spec public_encrypt(rsa, binary(), [binary()], rsa_padding()) -> + binary(). +-spec public_decrypt(rsa, binary(), [integer() | binary()], rsa_padding()) -> + binary(). +-spec private_encrypt(rsa, binary(), [integer() | binary()], rsa_padding()) -> + binary(). +-spec private_decrypt(rsa, binary(), [integer() | binary()], rsa_padding()) -> + binary(). + +public_encrypt(rsa, BinMesg, Key, Padding) -> + case rsa_public_crypt(BinMesg, map_ensure_int_as_bin(Key), Padding, true) of + error -> + erlang:error(encrypt_failed, [BinMesg,Key, Padding]); + Sign -> Sign + end. + +%% Binary, Key = [E,N,D] +private_decrypt(rsa, BinMesg, Key, Padding) -> + case rsa_private_crypt(BinMesg, map_ensure_int_as_bin(Key), Padding, false) of + error -> + erlang:error(decrypt_failed, [BinMesg,Key, Padding]); + Sign -> Sign + end. + + +%% Binary, Key = [E,N,D] +private_encrypt(rsa, BinMesg, Key, Padding) -> + case rsa_private_crypt(BinMesg, map_ensure_int_as_bin(Key), Padding, true) of + error -> + erlang:error(encrypt_failed, [BinMesg,Key, Padding]); + Sign -> Sign + end. + +%% Binary, Key = [E,N] +public_decrypt(rsa, BinMesg, Key, Padding) -> + case rsa_public_crypt(BinMesg, map_ensure_int_as_bin(Key), Padding, false) of + error -> + erlang:error(decrypt_failed, [BinMesg,Key, Padding]); + Sign -> Sign + end. %% @@ -863,16 +1196,16 @@ rsa_sign_nif(_Type,_Data,_Key) -> ?nif_stub. -spec rsa_public_encrypt(binary(), [binary()], rsa_padding()) -> binary(). --spec rsa_public_decrypt(binary(), [binary()], rsa_padding()) -> +-spec rsa_public_decrypt(binary(), [integer() | mpint()], rsa_padding()) -> binary(). --spec rsa_private_encrypt(binary(), [binary()], rsa_padding()) -> +-spec rsa_private_encrypt(binary(), [integer() | mpint()], rsa_padding()) -> binary(). --spec rsa_private_decrypt(binary(), [binary()], rsa_padding()) -> +-spec rsa_private_decrypt(binary(), [integer() | mpint()], rsa_padding()) -> binary(). %% Binary, Key = [E,N] rsa_public_encrypt(BinMesg, Key, Padding) -> - case rsa_public_crypt(BinMesg, Key, Padding, true) of + case rsa_public_crypt(BinMesg, map_to_norm_bin(Key), Padding, true) of error -> erlang:error(encrypt_failed, [BinMesg,Key, Padding]); Sign -> Sign @@ -882,7 +1215,7 @@ rsa_public_crypt(_BinMsg, _Key, _Padding, _IsEncrypt) -> ?nif_stub. %% Binary, Key = [E,N,D] rsa_private_decrypt(BinMesg, Key, Padding) -> - case rsa_private_crypt(BinMesg, Key, Padding, false) of + case rsa_private_crypt(BinMesg, map_to_norm_bin(Key), Padding, false) of error -> erlang:error(decrypt_failed, [BinMesg,Key, Padding]); Sign -> Sign @@ -893,7 +1226,7 @@ rsa_private_crypt(_BinMsg, _Key, _Padding, _IsEncrypt) -> ?nif_stub. %% Binary, Key = [E,N,D] rsa_private_encrypt(BinMesg, Key, Padding) -> - case rsa_private_crypt(BinMesg, Key, Padding, true) of + case rsa_private_crypt(BinMesg, map_to_norm_bin(Key), Padding, true) of error -> erlang:error(encrypt_failed, [BinMesg,Key, Padding]); Sign -> Sign @@ -901,7 +1234,7 @@ rsa_private_encrypt(BinMesg, Key, Padding) -> %% Binary, Key = [E,N] rsa_public_decrypt(BinMesg, Key, Padding) -> - case rsa_public_crypt(BinMesg, Key, Padding, false) of + case rsa_public_crypt(BinMesg, map_to_norm_bin(Key), Padding, false) of error -> erlang:error(decrypt_failed, [BinMesg,Key, Padding]); Sign -> Sign @@ -1043,71 +1376,250 @@ dh_check([_Prime,_Gen]) -> ?nif_stub. {binary(),binary()}. dh_generate_key(DHParameters) -> - dh_generate_key(undefined, DHParameters). + dh_generate_key_nif(undefined, map_mpint_to_bin(DHParameters), 4). dh_generate_key(PrivateKey, DHParameters) -> - case dh_generate_key_nif(PrivateKey, DHParameters) of - error -> erlang:error(generation_failed, [PrivateKey,DHParameters]); - Res -> Res - end. + dh_generate_key_nif(mpint_to_bin(PrivateKey), map_mpint_to_bin(DHParameters), 4). -dh_generate_key_nif(_PrivateKey, _DHParameters) -> ?nif_stub. +dh_generate_key_nif(_PrivateKey, _DHParameters, _Mpint) -> ?nif_stub. %% DHParameters = [P (Prime)= mpint(), G(Generator) = mpint()] -%% MyPrivKey, OthersPublicKey = mpint() +%% MyPrivKey, OthersPublicKey = mpint() -spec dh_compute_key(binary(), binary(), [binary()]) -> binary(). dh_compute_key(OthersPublicKey, MyPrivateKey, DHParameters) -> - case dh_compute_key_nif(OthersPublicKey,MyPrivateKey,DHParameters) of - error -> erlang:error(computation_failed, [OthersPublicKey,MyPrivateKey,DHParameters]); + compute_key(dh, mpint_to_bin(OthersPublicKey), mpint_to_bin(MyPrivateKey), + map_mpint_to_bin(DHParameters)). + + +dh_compute_key_nif(_OthersPublicKey, _MyPrivateKey, _DHParameters) -> ?nif_stub. + +generate_key(Type, Params) -> + generate_key(Type, Params, undefined). + +generate_key(dh, DHParameters, PrivateKey) -> + dh_generate_key_nif(PrivateKey, map_ensure_int_as_bin(DHParameters), 0); + +generate_key(srp, {host, [Verifier, Generator, Prime, Version]}, PrivArg) + when is_binary(Verifier), is_binary(Generator), is_binary(Prime), is_atom(Version) -> + Private = case PrivArg of + undefined -> random_bytes(32); + _ -> PrivArg + end, + host_srp_gen_key(Private, Verifier, Generator, Prime, Version); + +generate_key(srp, {user, [Generator, Prime, Version]}, PrivateArg) + when is_binary(Generator), is_binary(Prime), is_atom(Version) -> + Private = case PrivateArg of + undefined -> random_bytes(32); + _ -> PrivateArg + end, + user_srp_gen_key(Private, Generator, Prime); + +generate_key(ecdh, Curve, undefined) -> + ec_key_to_term(ec_key_generate(Curve)). + + +ec_key_generate(_Key) -> ?nif_stub. + + +compute_key(dh, OthersPublicKey, MyPrivateKey, DHParameters) -> + case dh_compute_key_nif(OthersPublicKey,MyPrivateKey, map_ensure_int_as_bin(DHParameters)) of + error -> erlang:error(computation_failed, + [OthersPublicKey,MyPrivateKey,DHParameters]); Ret -> Ret + end; + +compute_key(srp, HostPublic, {UserPublic, UserPrivate}, + {user, [DerivedKey, Prime, Generator, Version | ScramblerArg]}) when + is_binary(Prime), + is_binary(Generator), + is_binary(UserPublic), + is_binary(UserPrivate), + is_binary(HostPublic), + is_atom(Version) -> + Multiplier = srp_multiplier(Version, Generator, Prime), + Scrambler = case ScramblerArg of + [] -> srp_scrambler(Version, UserPublic, HostPublic, Prime); + [S] -> S + end, + srp_user_secret_nif(UserPrivate, Scrambler, HostPublic, Multiplier, + Generator, DerivedKey, Prime); + +compute_key(srp, UserPublic, {HostPublic, HostPrivate}, + {host,[Verifier, Prime, Version | ScramblerArg]}) when + is_binary(Verifier), + is_binary(Prime), + is_binary(UserPublic), + is_binary(HostPublic), + is_binary(HostPrivate), + is_atom(Version) -> + Scrambler = case ScramblerArg of + [] -> srp_scrambler(Version, UserPublic, HostPublic, Prime); + [S] -> S + end, + srp_host_secret_nif(Verifier, HostPrivate, Scrambler, UserPublic, Prime); + +compute_key(ecdh, Others, My, Curve) -> + ecdh_compute_key_nif(Others, term_to_ec_key({Curve,My,undefined})). + +ecdh_compute_key_nif(_Others, _My) -> ?nif_stub. + + +%% +%% EC +%% +ec_key_to_term(Key) -> + case ec_key_to_term_nif(Key) of + {PrivKey, PubKey} -> + {bin_to_int(PrivKey), PubKey}; + _ -> + erlang:error(conversion_failed) end. -dh_compute_key_nif(_OthersPublicKey, _MyPrivateKey, _DHParameters) -> ?nif_stub. +ec_key_to_term_nif(_Key) -> ?nif_stub. + +term_to_nif_prime({prime_field, Prime}) -> + {prime_field, int_to_bin(Prime)}; +term_to_nif_prime(PrimeField) -> + PrimeField. +term_to_nif_curve({A, B, Seed}) -> + {ensure_int_as_bin(A), ensure_int_as_bin(B), Seed}. +term_to_nif_curve_parameters({PrimeField, Curve, BasePoint, Order, CoFactor}) -> + {term_to_nif_prime(PrimeField), term_to_nif_curve(Curve), ensure_int_as_bin(BasePoint), int_to_bin(Order), int_to_bin(CoFactor)}; +term_to_nif_curve_parameters(Curve) when is_atom(Curve) -> + %% named curve + Curve. + +-spec term_to_ec_key(ec_key()) -> ec_key_res(). +term_to_ec_key({Curve, undefined, PubKey}) -> + term_to_ec_key_nif(term_to_nif_curve_parameters(Curve), undefined, PubKey); +term_to_ec_key({Curve, PrivKey, PubKey}) -> + term_to_ec_key_nif(term_to_nif_curve_parameters(Curve), int_to_bin(PrivKey), PubKey). + +term_to_ec_key_nif(_Curve, _PrivKey, _PubKey) -> ?nif_stub. + + -%% %% LOCAL FUNCTIONS %% +user_srp_gen_key(Private, Generator, Prime) -> + case mod_pow(Generator, Private, Prime) of + error -> + error; + Public -> + {Public, Private} + end. + +host_srp_gen_key(Private, Verifier, Generator, Prime, Version) -> + Multiplier = srp_multiplier(Version, Generator, Prime), + case srp_value_B_nif(Multiplier, Verifier, Generator, Private, Prime) of + error -> + error; + 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); +srp_multiplier('6', _, _) -> + <<3/integer>>; +srp_multiplier('3', _, _) -> + <<1/integer>>. + +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); +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. + <<U:32/bits, _/binary>> = sha(HostPublic), + U. + +srp_pad_length(Width, Length) -> + (Width - Length rem Width) rem Width. + +srp_pad_to(Width, Binary) -> + case srp_pad_length(Width, size(Binary)) of + 0 -> Binary; + N -> << 0:(N*8), Binary/binary>> + end. + +srp_host_secret_nif(_Verifier, _B, _U, _A, _Prime) -> ?nif_stub. + +srp_user_secret_nif(_A, _U, _B, _Multiplier, _Generator, _Exponent, _Prime) -> ?nif_stub. + +srp_value_B_nif(_Multiplier, _Verifier, _Generator, _Exponent, _Prime) -> ?nif_stub. %% large integer in a binary with 32bit length %% MP representaion (SSH2) -mpint(X) when X < 0 -> - case X of - -1 -> - <<0,0,0,1,16#ff>>; - _ -> - mpint_neg(X,0,[]) - end; -mpint(X) -> - case X of - 0 -> - <<0,0,0,0>>; - _ -> - mpint_pos(X,0,[]) - end. +mpint(X) when X < 0 -> mpint_neg(X); +mpint(X) -> mpint_pos(X). -define(UINT32(X), X:32/unsigned-big-integer). -mpint_neg(-1,I,Ds=[MSB|_]) -> - if MSB band 16#80 =/= 16#80 -> - <<?UINT32((I+1)), (list_to_binary([255|Ds]))/binary>>; - true -> - (<<?UINT32(I), (list_to_binary(Ds))/binary>>) - end; -mpint_neg(X,I,Ds) -> - mpint_neg(X bsr 8,I+1,[(X band 255)|Ds]). + +mpint_neg(X) -> + Bin = int_to_bin_neg(X, []), + Sz = byte_size(Bin), + <<?UINT32(Sz), Bin/binary>>. -mpint_pos(0,I,Ds=[MSB|_]) -> +mpint_pos(X) -> + Bin = int_to_bin_pos(X, []), + <<MSB,_/binary>> = Bin, + Sz = byte_size(Bin), if MSB band 16#80 == 16#80 -> - <<?UINT32((I+1)), (list_to_binary([0|Ds]))/binary>>; + <<?UINT32((Sz+1)), 0, Bin/binary>>; true -> - (<<?UINT32(I), (list_to_binary(Ds))/binary>>) - end; -mpint_pos(X,I,Ds) -> - mpint_pos(X bsr 8,I+1,[(X band 255)|Ds]). + <<?UINT32(Sz), Bin/binary>> + end. + +int_to_bin(X) when X < 0 -> int_to_bin_neg(X, []); +int_to_bin(X) -> int_to_bin_pos(X, []). + +%%int_to_bin_pos(X) when X >= 0 -> +%% int_to_bin_pos(X, []). + +int_to_bin_pos(0,Ds=[_|_]) -> + list_to_binary(Ds); +int_to_bin_pos(X,Ds) -> + int_to_bin_pos(X bsr 8, [(X band 255)|Ds]). + +int_to_bin_neg(-1, Ds=[MSB|_]) when MSB >= 16#80 -> + list_to_binary(Ds); +int_to_bin_neg(X,Ds) -> + int_to_bin_neg(X bsr 8, [(X band 255)|Ds]). + + +bin_to_int(Bin) when is_binary(Bin) -> + Bits = bit_size(Bin), + <<Integer:Bits/integer>> = Bin, + Integer; +bin_to_int(undefined) -> + undefined. %% int from integer in a binary with 32bit length erlint(<<MPIntSize:32/integer,MPIntValue/binary>>) -> Bits= MPIntSize * 8, <<Integer:Bits/integer>> = MPIntValue, Integer. + +mpint_to_bin(<<Len:32, Bin:Len/binary>>) -> + Bin. + +random_bytes(N) -> + try strong_rand_bytes(N) of + RandBytes -> + RandBytes + catch + error:low_entropy -> + rand_bytes(N) + end. |