diff options
Diffstat (limited to 'lib/crypto/src/crypto.erl')
| -rw-r--r-- | lib/crypto/src/crypto.erl | 314 |
1 files changed, 192 insertions, 122 deletions
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl index 8ffdde2b90..965697578d 100644 --- a/lib/crypto/src/crypto.erl +++ b/lib/crypto/src/crypto.erl @@ -28,9 +28,6 @@ -export([hash/2, hash_init/1, hash_update/2, hash_final/1]). -export([sign/4, sign/5, verify/5, verify/6]). -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([cmac/3, cmac/4]). --export([poly1305/2]). -export([exor/2, strong_rand_bytes/1, mod_pow/3]). -export([rand_seed/0, rand_seed_alg/1, rand_seed_alg/2]). -export([rand_seed_s/0, rand_seed_alg_s/1, rand_seed_alg_s/2]). @@ -48,6 +45,9 @@ -export([rand_seed/1]). %% Old interface. Now implemented with the New interface +-export([hmac/3, hmac/4, hmac_init/2, hmac_update/2, hmac_final/1, hmac_final_n/2]). +-export([cmac/3, cmac/4]). +-export([poly1305/2]). -export([stream_init/2, stream_init/3, stream_encrypt/2, stream_decrypt/2, @@ -62,7 +62,9 @@ crypto_one_time_aead/6, crypto_one_time_aead/7, crypto_dyn_iv_init/3, crypto_dyn_iv_update/3, - supports/1 + supports/1, + mac/3, mac/4, macN/4, macN/5, + mac_init/2, mac_init/3, mac_update/2, mac_final/1, mac_finalN/2 ]). @@ -109,9 +111,10 @@ stream_state/0, hmac_state/0, hash_state/0, - crypto_state/0 + crypto_state/0, + mac_state/0 ]). - + %% Private. For tests. -export([packed_openssl_version/4, engine_methods_convert_to_bitmask/2, get_test_engine/0]). @@ -136,7 +139,7 @@ -type rsa_private() :: [key_integer()] . % [E, N, D] | [E, N, D, P1, P2, E1, E2, C] -type rsa_params() :: {ModulusSizeInBits::integer(), PublicExponent::key_integer()} . --type dss_public() :: [key_integer()] . % [P, Q, G, Y] +-type dss_public() :: [key_integer()] . % [P, Q, G, Y] -type dss_private() :: [key_integer()] . % [P, Q, G, X] -type ecdsa_public() :: key_integer() . @@ -282,7 +285,7 @@ %%% New cipher schema %%% -type cipher() :: cipher_no_iv() - | cipher_iv() + | cipher_iv() | cipher_aead() . -type cipher_no_iv() :: aes_128_ecb @@ -326,7 +329,7 @@ -type cipher_aead() :: aes_128_ccm | aes_192_ccm | aes_256_ccm - + | aes_128_gcm | aes_192_gcm | aes_256_gcm @@ -334,23 +337,6 @@ | chacha20_poly1305 . -%% -type retired_cipher_no_iv_aliases() :: aes_ecb . - -%% -type retired_cipher_iv_aliases() :: aes_cbc -%% | aes_cbc128 % aes_128_cbc -%% | aes_cbc256 % aes_256_cbc -%% | aes_cfb128 -%% | aes_cfb8 -%% | aes_ctr -%% | des3_cbc % des_ede3_cbc -%% | des_ede3 % des_ede3_cbc -%% | des_ede3_cbf % des_ede3_cfb -%% | des3_cbf % des_ede3_cfb -%% | des3_cfb . % des_ede3_cfb - -%% -type retired_cipher_aead_aliases() :: aes_ccm -%% | aes_gcm . - %%%---------------------------------------------------------------- %%% Old cipher scheme %%% @@ -365,7 +351,7 @@ -type stream_cipher() :: ctr_cipher() | chacha20 | rc4 . - + %%%---- -type cbc_cipher() :: aes_128_cbc @@ -374,7 +360,7 @@ | blowfish_cbc | des_cbc | des_ede3_cbc - | rc2_cbc + | rc2_cbc | retired_cbc_cipher_aliases() . -type retired_cbc_cipher_aliases() :: aes_cbc % aes_*_cbc @@ -382,7 +368,7 @@ | aes_cbc256 % aes_256_cbc | des3_cbc % des_ede3_cbc | des_ede3 . % des_ede3_cbc - + %%%---- -type cfb_cipher() :: aes_128_cfb128 | aes_192_cfb128 @@ -398,7 +384,7 @@ -type retired_cfb_cipher_aliases() :: aes_cfb8 % aes_*_cfb8 | aes_cfb128 % aes_*_cfb128 | des3_cbf % des_ede3_cfb, cfb misspelled - | des3_cfb % des_ede3_cfb + | des3_cfb % des_ede3_cfb | des_ede3_cbf .% cfb misspelled @@ -457,6 +443,19 @@ %%-------------------------------------------------------------------- +%% +%% Make the new descriptive_error() look like the old run_time_error() +%% +-define(COMPAT(CALL), + try begin CALL end + catch + error:{error, {_File,_Line}, _Reason} -> + error(badarg); + error:{E, {_File,_Line}, _Reason} when E==notsup ; E==badarg -> + error(E) + end). + +%%-------------------------------------------------------------------- -compile(no_native). -on_load(on_load/0). -define(CRYPTO_NIF_VSN,302). @@ -580,7 +579,7 @@ hash(Type, Data) -> -spec hash_init(Type) -> State when Type :: hash_algorithm(), State :: hash_state(). -hash_init(Type) -> +hash_init(Type) -> notsup_to_error(hash_init_nif(Type)). -spec hash_update(State, Data) -> NewState when State :: hash_state(), @@ -599,25 +598,139 @@ hash_final(Context) -> %%%================================================================ %%% %%% MACs (Message Authentication Codes) -%%% +%%% %%%================================================================ -%%%---- HMAC - -type hmac_hash_algorithm() :: sha1() | sha2() | sha3() | compatibility_only_hash(). -%%%---- hmac/3,4 +-type cmac_cipher_algorithm() :: aes_128_cbc | aes_192_cbc | aes_256_cbc | blowfish_cbc + | des_cbc | des_ede3_cbc | rc2_cbc + | aes_128_cfb128 | aes_192_cfb128 | aes_256_cfb128 + | aes_128_cfb8 | aes_192_cfb8 | aes_256_cfb8 + . + +%%%---------------------------------------------------------------- +%%% Calculate MAC for the whole text at once + +-spec mac(Type :: poly1305, Key, Data) -> Mac | descriptive_error() + when Key :: iodata(), + Data :: iodata(), + Mac :: binary(). + +mac(poly1305, Key, Data) -> mac(poly1305, undefined, Key, Data). + + +-spec mac(Type, SubType, Key, Data) -> Mac | descriptive_error() + when Type :: hmac | cmac | poly1305, + SubType :: hmac_hash_algorithm() | cmac_cipher_algorithm() | undefined, + Key :: iodata(), + Data :: iodata(), + Mac :: binary(). + +mac(Type, SubType, Key, Data) -> mac_nif(Type, SubType, Key, Data). + + + +-spec macN(Type :: poly1305, Key, Data, MacLength) -> Mac | descriptive_error() + when Key :: iodata(), + Data :: iodata(), + Mac :: binary(), + MacLength :: pos_integer(). + +macN(Type, Key, Data, MacLength) -> + macN(Type, undefined, Key, Data, MacLength). + + +-spec macN(Type, SubType, Key, Data, MacLength) -> Mac | descriptive_error() + when Type :: hmac | cmac | poly1305, + SubType :: hmac_hash_algorithm() | cmac_cipher_algorithm() | undefined, + Key :: iodata(), + Data :: iodata(), + Mac :: binary(), + MacLength :: pos_integer(). + +macN(Type, SubType, Key, Data, MacLength) -> + erlang:binary_part(mac(Type,SubType,Key,Data), 0, MacLength). + + +%%%---------------------------------------------------------------- +%%% Calculate the MAC by uppdating by pieces of the text + +-opaque mac_state() :: reference() . + +-spec mac_init(Type :: poly1305, Key) -> State | descriptive_error() + when Key :: iodata(), + State :: mac_state() . +mac_init(poly1305, Key) -> + mac_init_nif(poly1305, undefined, Key). + + +-spec mac_init(Type, SubType, Key) -> State | descriptive_error() + when Type :: hmac | cmac | poly1305, + SubType :: hmac_hash_algorithm() | cmac_cipher_algorithm() | undefined, + Key :: iodata(), + State :: mac_state() . +mac_init(Type, SubType, Key) -> + mac_init_nif(Type, SubType, Key). + + +-spec mac_update(State0, Data) -> State | descriptive_error() + when Data :: iodata(), + State0 :: mac_state(), + State :: mac_state(). +mac_update(Ref, Data) -> + mac_update_nif(Ref, Data). + + + +-spec mac_final(State) -> Mac | descriptive_error() + when State :: mac_state(), + Mac :: binary(). +mac_final(Ref) -> + mac_final_nif(Ref). + + +-spec mac_finalN(State, MacLength) -> Mac | descriptive_error() + when State :: mac_state(), + MacLength :: pos_integer(), + Mac :: binary(). +mac_finalN(Ref, MacLength) -> + erlang:binary_part(mac_final(Ref), 0, MacLength). + --spec hmac(Type, Key, Data) -> +%%%---------------------------------------------------------------- +%%% NIFs for the functions above + +mac_nif(_Type, _SubType, _Key, _Data) -> ?nif_stub. + +mac_init_nif(_Type, _SubType, _Key) -> ?nif_stub. +mac_update_nif(_Ref, _Data) -> ?nif_stub. +mac_final_nif(_Ref) -> ?nif_stub. + +%%%================================================================ +%%% +%%% The "Old API", kept for compatibility +%%% +%%%================================================================ + +%%%---------------------------------------------------------------- +%%%---------------------------------------------------------------- +%%% Message Authentication Codes, MAC +%%% + +%%%---- HMAC + +%%%---- hmac/3,4 + +-spec hmac(Type, Key, Data) -> Mac when Type :: hmac_hash_algorithm(), Key :: iodata(), Data :: iodata(), Mac :: binary() . hmac(Type, Key, Data) -> - Data1 = iolist_to_binary(Data), - hmac(Type, Key, Data1, undefined, erlang:byte_size(Data1), max_bytes()). + ?COMPAT(mac(hmac, Type, Key, Data)). --spec hmac(Type, Key, Data, MacLength) -> +-spec hmac(Type, Key, Data, MacLength) -> Mac when Type :: hmac_hash_algorithm(), Key :: iodata(), Data :: iodata(), @@ -625,45 +738,43 @@ hmac(Type, Key, Data) -> Mac :: binary() . hmac(Type, Key, Data, MacLength) -> - Data1 = iolist_to_binary(Data), - hmac(Type, Key, Data1, MacLength, erlang:byte_size(Data1), max_bytes()). + ?COMPAT(macN(hmac, Type, Key, Data, MacLength)). %%%---- hmac_init, hamc_update, hmac_final --opaque hmac_state() :: binary(). +-opaque hmac_state() :: mac_state(). % Was: binary(). -spec hmac_init(Type, Key) -> State when Type :: hmac_hash_algorithm(), Key :: iodata(), State :: hmac_state() . hmac_init(Type, Key) -> - notsup_to_error(hmac_init_nif(Type, Key)). + ?COMPAT(mac_init(hmac, Type, Key)). %%%---- hmac_update -spec hmac_update(State, Data) -> NewState when Data :: iodata(), State :: hmac_state(), NewState :: hmac_state(). -hmac_update(State, Data0) -> - Data = iolist_to_binary(Data0), - hmac_update(State, Data, erlang:byte_size(Data), max_bytes()). +hmac_update(State, Data) -> + ?COMPAT(mac_update(State, Data)). %%%---- hmac_final -spec hmac_final(State) -> Mac when State :: hmac_state(), Mac :: binary(). hmac_final(Context) -> - notsup_to_error(hmac_final_nif(Context)). + ?COMPAT(mac_final(Context)). -spec hmac_final_n(State, HashLen) -> Mac when State :: hmac_state(), HashLen :: integer(), Mac :: binary(). hmac_final_n(Context, HashLen) -> - notsup_to_error(hmac_final_nif(Context, HashLen)). + ?COMPAT(mac_finalN(Context, HashLen)). %%%---- CMAC --define(CMAC_CIPHER_ALGORITHM, cbc_cipher() | cfb_cipher() | blowfish_cbc | des_ede3 | rc2_cbc ). +-define(CMAC_CIPHER_ALGORITHM, cbc_cipher() | cfb_cipher() | blowfish_cbc | des_ede3 | rc2_cbc ). -spec cmac(Type, Key, Data) -> Mac when Type :: ?CMAC_CIPHER_ALGORITHM, @@ -671,42 +782,31 @@ hmac_final_n(Context, HashLen) -> Data :: iodata(), Mac :: binary(). cmac(Type, Key, Data) -> - notsup_to_error(cmac_nif(alias(Type), Key, Data)). + ?COMPAT(mac(cmac, alias(Type), Key, Data)). -spec cmac(Type, Key, Data, MacLength) -> Mac when Type :: ?CMAC_CIPHER_ALGORITHM, Key :: iodata(), Data :: iodata(), - MacLength :: integer(), + MacLength :: integer(), Mac :: binary(). cmac(Type, Key, Data, MacLength) -> - erlang:binary_part(cmac(alias(Type), Key, Data), 0, MacLength). + ?COMPAT(macN(cmac, alias(Type), Key, Data, MacLength)). %%%---- POLY1305 -spec poly1305(iodata(), iodata()) -> Mac when Mac :: binary(). poly1305(Key, Data) -> - poly1305_nif(Key, Data). + ?COMPAT(mac(poly1305, Key, Data)). -%%%================================================================ -%%% -%%% Encrypt/decrypt, The "Old API" -%%% -%%%================================================================ +%%%---------------------------------------------------------------- +%%%---------------------------------------------------------------- +%%% Ciphers --define(COMPAT(CALL), - try begin CALL end - catch - error:{error, {_File,_Line}, _Reason} -> - error(badarg); - error:{E, {_File,_Line}, _Reason} when E==notsup ; E==badarg -> - error(E) - end). %%%---- Cipher info -%%%---------------------------------------------------------------- -spec cipher_info(Type) -> Result | run_time_error() when Type :: cipher(), Result :: #{key_length := integer(), @@ -845,7 +945,7 @@ block_decrypt(Type, Key0, CryptoText) -> Key :: iodata(), IVec ::binary(), State :: stream_state() . -stream_init(Type, Key0, IVec) when is_binary(IVec) -> +stream_init(Type, Key0, IVec) when is_binary(IVec) -> Key = iolist_to_binary(Key0), Ref = ?COMPAT(ng_crypto_init_nif(alias(Type,Key), Key, iolist_to_binary(IVec), @@ -933,7 +1033,7 @@ next_iv(Type, Data, _Ivec) -> %%%---------------------------------------------------------------- %%% %%% Create and initialize a new state for encryption or decryption -%%% +%%% -spec crypto_init(Cipher, Key, EncryptFlag) -> State | descriptive_error() when Cipher :: cipher_no_iv(), @@ -971,12 +1071,12 @@ crypto_dyn_iv_init(Cipher, Key, EncryptFlag) -> %%% Encrypt/decrypt a sequence of bytes. The sum of the sizes %%% of all blocks must be an integer multiple of the crypto's %%% blocksize. -%%% +%%% -spec crypto_update(State, Data) -> Result | descriptive_error() - when State :: crypto_state(), - Data :: iodata(), - Result :: binary() . + when State :: crypto_state(), + Data :: iodata(), + Result :: binary() . crypto_update(State, Data0) -> case iolist_to_binary(Data0) of <<>> -> @@ -1005,7 +1105,7 @@ crypto_dyn_iv_update(State, Data0, IV) -> %%% %%% Encrypt/decrypt one set bytes. %%% The size must be an integer multiple of the crypto's blocksize. -%%% +%%% -spec crypto_one_time(Cipher, Key, Data, EncryptFlag) -> Result | descriptive_error() @@ -1015,8 +1115,15 @@ crypto_dyn_iv_update(State, Data0, IV) -> EncryptFlag :: boolean(), Result :: binary() . -crypto_one_time(Cipher, Key, Data, EncryptFlag) -> - crypto_one_time(Cipher, Key, <<>>, Data, EncryptFlag). +crypto_one_time(Cipher, Key, Data0, EncryptFlag) -> + case iolist_to_binary(Data0) of + <<>> -> + <<>>; % Known to fail on OpenSSL 0.9.8h + Data -> + ng_crypto_one_time_nif(Cipher, + iolist_to_binary(Key), <<>>, Data, + EncryptFlag) + end. -spec crypto_one_time(Cipher, Key, IV, Data, EncryptFlag) -> Result | descriptive_error() @@ -1121,7 +1228,7 @@ ng_crypto_one_time_nif(_Cipher, _Key, _IVec, _Data, _EncryptFlg) -> ?nif_stub. false -> Ciphers end). - + prepend_old_aliases(L0) -> L1 = ?if_also(des_ede3_cbc, L0, @@ -1465,7 +1572,7 @@ rand_seed_nif(_Seed) -> ?nif_stub. %%% Sign -spec sign(Algorithm, DigestType, Msg, Key) - -> Signature + -> Signature when Algorithm :: pk_sign_verify_algs(), DigestType :: rsa_digest_type() | dss_digest_type() @@ -1483,7 +1590,7 @@ sign(Algorithm, Type, Data, Key) -> -spec sign(Algorithm, DigestType, Msg, Key, Options) - -> Signature + -> Signature when Algorithm :: pk_sign_verify_algs(), DigestType :: rsa_digest_type() | dss_digest_type() @@ -1580,7 +1687,7 @@ sign_verify_compatibility(Algorithm0, Type0, _Digest) -> | rsa_x931_padding | rsa_no_padding. --type rsa_opt() :: {rsa_padding, rsa_padding()} +-type rsa_opt() :: {rsa_padding, rsa_padding()} | {signature_md, atom()} | {rsa_mgf1_md, sha} | {rsa_oaep_label, binary()} @@ -1653,7 +1760,7 @@ pkey_crypt_nif(_Algorithm, _In, _Key, _Options, _IsPrivate, _IsEncrypt) -> ?nif_ %%%================================================================ -spec generate_key(Type, Params) - -> {PublicKey, PrivKeyOut} + -> {PublicKey, PrivKeyOut} when Type :: dh | ecdh | rsa | srp, PublicKey :: dh_public() | ecdh_public() | rsa_public() | srp_public(), PrivKeyOut :: dh_private() | ecdh_private() | rsa_private() | {srp_public(),srp_private()}, @@ -1663,7 +1770,7 @@ generate_key(Type, Params) -> generate_key(Type, Params, undefined). -spec generate_key(Type, Params, PrivKeyIn) - -> {PublicKey, PrivKeyOut} + -> {PublicKey, PrivKeyOut} when Type :: dh | ecdh | rsa | srp, PublicKey :: dh_public() | ecdh_public() | rsa_public() | srp_public(), PrivKeyIn :: undefined | dh_private() | ecdh_private() | rsa_private() | {srp_public(),srp_private()}, @@ -1814,7 +1921,7 @@ mod_pow(Base, Exponent, Prime) -> %%%====================================================================== %%% %%% Engine functions -%%% +%%% %%%====================================================================== %%%---- Refering to keys stored in an engine: @@ -2121,7 +2228,7 @@ ensure_engine_unloaded(Engine) -> %%---------------------------------------------------------------------- %% Function: ensure_engine_unloaded/2 %%---------------------------------------------------------------------- --spec ensure_engine_unloaded(Engine, EngineMethods) -> +-spec ensure_engine_unloaded(Engine, EngineMethods) -> Result when Engine :: engine_ref(), EngineMethods :: [engine_method_type()], Result :: ok | {error, Reason::term()}. @@ -2203,7 +2310,7 @@ path2bin(Path) when is_list(Path) -> %%%================================================================ %%% %%% Internal functions -%%% +%%% %%%================================================================ max_bytes() -> @@ -2235,43 +2342,6 @@ hash_init_nif(_Hash) -> ?nif_stub. hash_update_nif(_State, _Data) -> ?nif_stub. hash_final_nif(_State) -> ?nif_stub. -%% HMAC -------------------------------------------------------------------- - -hmac(Type, Key, Data, MacSize, Size, MaxBytes) when Size =< MaxBytes -> - notsup_to_error( - case MacSize of - 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), - State1 = hmac_update(State0, Data, Size, MaxBytes), - case MacSize of - undefined -> hmac_final(State1); - _ -> hmac_final_n(State1, MacSize) - end. - -hmac_update(State, Data, Size, MaxBytes) when Size =< MaxBytes -> - notsup_to_error(hmac_update_nif(State, Data)); -hmac_update(State0, Data, _, MaxBytes) -> - <<Increment:MaxBytes/binary, Rest/binary>> = Data, - State = notsup_to_error(hmac_update_nif(State0, Increment)), - hmac_update(State, Rest, erlang:byte_size(Rest), MaxBytes). - -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. - -%% CMAC -cmac_nif(_Type, _Key, _Data) -> ?nif_stub. - -%% POLY1305 -poly1305_nif(_Key, _Data) -> ?nif_stub. - - %% CIPHERS -------------------------------------------------------------------- cipher_info_nif(_Type) -> ?nif_stub. |