From c500d66b68ff0fe174128926318f3eead4dcbb15 Mon Sep 17 00:00:00 2001 From: Hans Nilsson Date: Tue, 16 Apr 2019 12:27:15 +0200 Subject: crypto: New function supports/1 Takes argument hashs, public_keys, ciphers, macs, curves or rsa_opts. Returns the algorithm names, but ONLY the openssl names. supports/0 still returns aliases and misspellings. --- lib/crypto/src/crypto.erl | 158 ++++++++++++++++++++++++++++++---------------- 1 file changed, 104 insertions(+), 54 deletions(-) (limited to 'lib/crypto/src') diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl index 3b431cceba..98378412d4 100644 --- a/lib/crypto/src/crypto.erl +++ b/lib/crypto/src/crypto.erl @@ -61,7 +61,8 @@ crypto_one_time/4, crypto_one_time/5, crypto_one_time_aead/6, crypto_one_time_aead/7, crypto_dyn_iv_init/3, - crypto_dyn_iv_update/3 + crypto_dyn_iv_update/3, + supports/1 ]). @@ -499,15 +500,22 @@ stop() -> Macs :: [hmac | cmac | poly1305], Curves :: [ec_named_curve() | edwards_curve_dh() | edwards_curve_ed()], RSAopts :: [rsa_sign_verify_opt() | rsa_opt()] . -supports()-> - {Hashs, PubKeys, Ciphers, Macs, Curves, RsaOpts} = algorithms(), - [{hashs, Hashs}, - {ciphers, prepend_cipher_aliases(Ciphers)}, - {public_keys, PubKeys}, - {macs, Macs}, - {curves, Curves}, - {rsa_opts, RsaOpts} - ]. +supports() -> + [{hashs, hash_algorithms()}, + {ciphers, prepend_old_aliases( cipher_algorithms())}, + {public_keys, pubkey_algorithms()}, + {macs, mac_algorithms()}, + {curves, curve_algorithms()}, + {rsa_opts, rsa_opts_algorithms()} + ]. + +supports(hashs) -> hash_algorithms(); +supports(public_keys) -> pubkey_algorithms(); +supports(ciphers) -> cipher_algorithms(); +supports(macs) -> mac_algorithms(); +supports(curves) -> curve_algorithms(); +supports(rsa_opts) -> rsa_opts_algorithms(). + -spec info_lib() -> [{Name,VerNum,VerStr}] when Name :: binary(), VerNum :: integer(), @@ -700,7 +708,7 @@ poly1305(Key, Data) -> | xts_mode . -%% These ciphers are not available via the EVP interface on older cryptolibs. +%% %% These ciphers are not available via the EVP interface on older cryptolibs. cipher_info(aes_ctr) -> #{block_size => 1,iv_length => 16,key_length => 32,mode => ctr_mode,type => undefined}; cipher_info(aes_128_ctr) -> @@ -709,9 +717,36 @@ cipher_info(aes_192_ctr) -> #{block_size => 1,iv_length => 16,key_length => 24,mode => ctr_mode,type => undefined}; cipher_info(aes_256_ctr) -> #{block_size => 1,iv_length => 16,key_length => 32,mode => ctr_mode,type => undefined}; -%% This cipher is handled specialy. +%% %% This cipher is handled specialy. cipher_info(aes_ige256) -> #{block_size => 16,iv_length => 32,key_length => 16,mode => ige_mode,type => undefined}; +%% %% These ciphers belong to the "old" interface: +%% cipher_info(aes_cbc) -> +%% #{block_size => 16,iv_length => 16,key_length => 24,mode => cbc_mode,type => 423}; +%% cipher_info(aes_cbc128) -> +%% #{block_size => 16,iv_length => 16,key_length => 16,mode => cbc_mode,type => 419}; +%% cipher_info(aes_cbc256) -> +%% #{block_size => 16,iv_length => 16,key_length => 32,mode => cbc_mode,type => 427}; +%% cipher_info(aes_ccm) -> +%% #{block_size => 1,iv_length => 12,key_length => 24,mode => ccm_mode,type => 899}; +%% cipher_info(aes_cfb128) -> +%% #{block_size => 1,iv_length => 16,key_length => 32,mode => cfb_mode,type => 429}; +%% cipher_info(aes_cfb8) -> +%% #{block_size => 1,iv_length => 16,key_length => 32,mode => cfb_mode,type => 429}; +%% cipher_info(aes_ecb) -> +%% #{block_size => 16,iv_length => 0,key_length => 24,mode => ecb_mode,type => 422}; +%% cipher_info(aes_gcm) -> +%% #{block_size => 1,iv_length => 12,key_length => 24,mode => gcm_mode,type => 898}; +%% cipher_info(des3_cbc) -> +%% #{block_size => 8,iv_length => 8,key_length => 24,mode => cbc_mode,type => 44}; +%% cipher_info(des3_cbf) -> +%% #{block_size => 1,iv_length => 8,key_length => 24,mode => cfb_mode,type => 30}; +%% cipher_info(des3_cfb) -> +%% #{block_size => 1,iv_length => 8,key_length => 24,mode => cfb_mode,type => 30}; +%% cipher_info(des_ede3) -> +%% #{block_size => 8,iv_length => 8,key_length => 24,mode => cbc_mode,type => 44}; +%% cipher_info(des_ede3_cbf) -> +%% #{block_size => 1,iv_length => 8,key_length => 24,mode => cfb_mode,type => 30}; cipher_info(Type) -> cipher_info_nif(alias(Type)). @@ -1058,20 +1093,34 @@ ng_crypto_one_time_nif(_Cipher, _Key, _IVec, _Data, _EncryptFlg) -> ?nif_stub. %%%---------------------------------------------------------------- %%% Cipher aliases %%% -prepend_cipher_aliases(L0) -> - L = - case lists:member(des_ede3_cbc, L0) of +-define(if_also(Cipher, Ciphers, AliasCiphers), + case lists:member(Cipher, Ciphers) of true -> - [des3_cbc, des_ede3, des_ede3_cbf, des3_cbf, des3_cfb | L0]; + AliasCiphers; false -> - L0 - end, - case lists:member(aes_128_cbc, L0) of - true -> - [aes_cbc128, aes_cbc256 | L]; - false -> - L - end. + Ciphers + end). + + +prepend_old_aliases(L0) -> + L1 = ?if_also(des_ede3_cbc, L0, + [des3_cbc, des_ede3, des_ede3_cbf, des3_cbf, des3_cfb | L0]), + L2 = ?if_also(aes_128_cbc, L1, + [aes_cbc, aes_cbc128, aes_cbc256 | L1]), + L3 = ?if_also(aes_128_ctr, L2, + [aes_ctr | L2]), + L4 = ?if_also(aes_128_ccm, L3, + [aes_ccm | L3]), + L5 = ?if_also(aes_128_gcm, L4, + [aes_gcm | L4]), + L6 = ?if_also(aes_128_cfb8, L5, + [aes_cfb8 | L5]), + L7 = ?if_also(aes_128_cfb128, L6, + [aes_cfb128 | L6]), + L8 = ?if_also(aes_128_ecb, L7, + [aes_ecb | L7]), + L8. + %%%---- des_ede3_cbc @@ -1088,42 +1137,37 @@ alias(aes_cbc256) -> aes_256_cbc; alias(Alg) -> Alg. -%%%---- des_ede3_cbc -alias(des3_cbc, _) -> des_ede3_cbc; -alias(des_ede3, _) -> des_ede3_cbc; -%%%---- des_ede3_cfb -alias(des_ede3_cbf,_ ) -> des_ede3_cfb; -alias(des3_cbf, _) -> des_ede3_cfb; -alias(des3_cfb, _) -> des_ede3_cfb; -%%%---- aes_*_cbc -alias(aes_cbc128, _) -> aes_128_cbc; -alias(aes_cbc256, _) -> aes_256_cbc; +alias(Ciph, Key) -> alias2(alias(Ciph), Key). + +alias2(aes_cbc, Key) when size(Key)==16 -> aes_128_cbc; +alias2(aes_cbc, Key) when size(Key)==24 -> aes_192_cbc; +alias2(aes_cbc, Key) when size(Key)==32 -> aes_256_cbc; -alias(aes_cbc, Key) when size(Key)==128 -> aes_128_cbc; -alias(aes_cbc, Key) when size(Key)==192 -> aes_192_cbc; -alias(aes_cbc, Key) when size(Key)==256 -> aes_256_cbc; +alias2(aes_cfb8, Key) when size(Key)==16 -> aes_128_cfb8; +alias2(aes_cfb8, Key) when size(Key)==24 -> aes_192_cfb8; +alias2(aes_cfb8, Key) when size(Key)==32 -> aes_256_cfb8; -alias(aes_cfb8, Key) when size(Key)==128 -> aes_128_cfb8; -alias(aes_cfb8, Key) when size(Key)==192 -> aes_192_cfb8; -alias(aes_cfb8, Key) when size(Key)==256 -> aes_256_cfb8; +alias2(aes_cfb128, Key) when size(Key)==16 -> aes_128_cfb128; +alias2(aes_cfb128, Key) when size(Key)==24 -> aes_192_cfb128; +alias2(aes_cfb128, Key) when size(Key)==32 -> aes_256_cfb128; -alias(aes_cfb128, Key) when size(Key)==128 -> aes_128_cfb128; -alias(aes_cfb128, Key) when size(Key)==192 -> aes_192_cfb128; -alias(aes_cfb128, Key) when size(Key)==256 -> aes_256_cfb128; +alias2(aes_ctr, Key) when size(Key)==16 -> aes_128_ctr; +alias2(aes_ctr, Key) when size(Key)==24 -> aes_192_ctr; +alias2(aes_ctr, Key) when size(Key)==32 -> aes_256_ctr; -alias(aes_ctr, Key) when size(Key)==128 -> aes_128_ctr; -alias(aes_ctr, Key) when size(Key)==192 -> aes_192_ctr; -alias(aes_ctr, Key) when size(Key)==256 -> aes_256_ctr; +alias2(aes_ecb, Key) when size(Key)==16 -> aes_128_ecb; +alias2(aes_ecb, Key) when size(Key)==24 -> aes_192_ecb; +alias2(aes_ecb, Key) when size(Key)==32 -> aes_256_ecb; -alias(aes_gcm, Key) when size(Key)==128 -> aes_128_gcm; -alias(aes_gcm, Key) when size(Key)==192 -> aes_192_gcm; -alias(aes_gcm, Key) when size(Key)==256 -> aes_256_gcm; +alias2(aes_gcm, Key) when size(Key)==16 -> aes_128_gcm; +alias2(aes_gcm, Key) when size(Key)==24 -> aes_192_gcm; +alias2(aes_gcm, Key) when size(Key)==32 -> aes_256_gcm; -alias(aes_ccm, Key) when size(Key)==128 -> aes_128_ccm; -alias(aes_ccm, Key) when size(Key)==192 -> aes_192_ccm; -alias(aes_ccm, Key) when size(Key)==256 -> aes_256_ccm; +alias2(aes_ccm, Key) when size(Key)==16 -> aes_128_ccm; +alias2(aes_ccm, Key) when size(Key)==24 -> aes_192_ccm; +alias2(aes_ccm, Key) when size(Key)==32 -> aes_256_ccm; -alias(Alg, _) -> Alg. +alias2(Alg, _) -> Alg. %%%================================================================ %%% @@ -2387,7 +2431,13 @@ exor(Data1, Data2, _Size, MaxByts, Acc) -> do_exor(_A, _B) -> ?nif_stub. -algorithms() -> ?nif_stub. +hash_algorithms() -> ?nif_stub. +pubkey_algorithms() -> ?nif_stub. +cipher_algorithms() -> ?nif_stub. +mac_algorithms() -> ?nif_stub. +curve_algorithms() -> ?nif_stub. +rsa_opts_algorithms() -> ?nif_stub. + int_to_bin(X) when X < 0 -> int_to_bin_neg(X, []); int_to_bin(X) -> int_to_bin_pos(X, []). -- cgit v1.2.3