diff options
author | Ingela Anderton Andin <[email protected]> | 2010-08-24 08:57:57 +0200 |
---|---|---|
committer | Ingela Anderton Andin <[email protected]> | 2010-08-24 08:57:57 +0200 |
commit | 574a68e84c92a8a44ea2e5d18a1cd2025892d496 (patch) | |
tree | 7ab50c40c457d500cdc2432ca3cc974d8f0959b1 /lib/public_key/src/pubkey_crypto.erl | |
parent | 7ed6bbd4e8bb88958bd45f85e3ef8af39c9f894f (diff) | |
parent | 12dfe961aeaf1a826d851361a24519e54d8ef119 (diff) | |
download | otp-574a68e84c92a8a44ea2e5d18a1cd2025892d496.tar.gz otp-574a68e84c92a8a44ea2e5d18a1cd2025892d496.tar.bz2 otp-574a68e84c92a8a44ea2e5d18a1cd2025892d496.zip |
Merge branch 'ia/public_key_api/OTP-8722' into dev
* ia/public_key_api/OTP-8722:
Revise the public_key API
Resolved, version is now 0.8.
Conflicts:
lib/public_key/vsn.mk
Diffstat (limited to 'lib/public_key/src/pubkey_crypto.erl')
-rw-r--r-- | lib/public_key/src/pubkey_crypto.erl | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/lib/public_key/src/pubkey_crypto.erl b/lib/public_key/src/pubkey_crypto.erl deleted file mode 100644 index 7b7abb1c56..0000000000 --- a/lib/public_key/src/pubkey_crypto.erl +++ /dev/null @@ -1,171 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2008-2010. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% - -%% -%% Description: Functions that call the crypto driver. - --module(pubkey_crypto). - --include("public_key.hrl"). - --export([encrypt_public/3, decrypt_private/3, - encrypt_private/3, decrypt_public/3, - sign/2, sign/3, verify/5, gen_key/2]). - --define(UINT32(X), X:32/unsigned-big-integer). - -%%==================================================================== -%% Internal application API -%%==================================================================== - -%%-------------------------------------------------------------------- -%% Function: encrypt(PlainText, Key, Padding) -> Encrypted -%% -%% PlainText = binary() -%% Key = rsa_public_key() | rsa_private_key() -%% Padding = rsa_pkcs1_padding | rsa_pkcs1_oaep_padding -%% Encrypted = binary() -%% -%% Description: Public key encrypts PlainText. -%%-------------------------------------------------------------------- -encrypt_public(PlainText, #'RSAPublicKey'{modulus=N,publicExponent=E}, - Padding) -> - crypto:rsa_public_encrypt(PlainText, [crypto:mpint(E),crypto:mpint(N)], - Padding); -encrypt_public(PlainText, #'RSAPrivateKey'{modulus=N,publicExponent=E}, - Padding) -> - crypto:rsa_public_encrypt(PlainText, [crypto:mpint(E),crypto:mpint(N)], - Padding). - -encrypt_private(PlainText, #'RSAPrivateKey'{modulus = N, - publicExponent = E, - privateExponent = D}, Padding) -> - crypto:rsa_private_encrypt(PlainText, [crypto:mpint(E), - crypto:mpint(N), - crypto:mpint(D)], Padding). - -%%-------------------------------------------------------------------- -%% Function: decrypt(CipherText, Key) -> PlainText -%% -%% ChipherText = binary() -%% Key = rsa_private_key() -%% Padding = rsa_pkcs1_padding | rsa_pkcs1_oaep_padding -%% PlainText = binary() -%% -%% Description: Uses private key to decrypt public key encrypted data. -%%-------------------------------------------------------------------- -decrypt_private(CipherText, - #'RSAPrivateKey'{modulus = N,publicExponent = E, - privateExponent = D}, - Padding) -> - crypto:rsa_private_decrypt(CipherText, - [crypto:mpint(E), crypto:mpint(N), - crypto:mpint(D)], Padding). -decrypt_public(CipherText, #'RSAPublicKey'{modulus = N, publicExponent = E}, - Padding) -> - crypto:rsa_public_decrypt(CipherText,[crypto:mpint(E), crypto:mpint(N)], - Padding); -decrypt_public(CipherText, #'RSAPrivateKey'{modulus = N, publicExponent = E}, - Padding) -> - crypto:rsa_public_decrypt(CipherText,[crypto:mpint(E), crypto:mpint(N)], - Padding). - -%%-------------------------------------------------------------------- -%% Function: sign(PlainText, Key) -> -%% sign(DigestType, PlainText, Key) -> Signature -%% -%% DigestType = sha | md5 -%% PlainText = binary() -%% Key = rsa_private_key() | dsa_private_key() -%% Signature = binary() -%% -%% Description: Signs PlainText using Key. -%%-------------------------------------------------------------------- -sign(PlainText, Digest) -> - sign(sha, PlainText, Digest). - -sign(DigestType, PlainText, #'RSAPrivateKey'{modulus = N, publicExponent = E, - privateExponent = D}) -> - crypto:rsa_sign(DigestType, sized_binary(PlainText), [crypto:mpint(E), - crypto:mpint(N), - crypto:mpint(D)]); - -sign(none, Hash, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) -> - crypto:dss_sign(none, Hash, - [crypto:mpint(P), crypto:mpint(Q), - crypto:mpint(G), crypto:mpint(X)]); - -sign(sha, PlainText, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) -> - crypto:dss_sign(sized_binary(PlainText), - [crypto:mpint(P), crypto:mpint(Q), - crypto:mpint(G), crypto:mpint(X)]). - -%%-------------------------------------------------------------------- -%% Function: verify(DigestType, PlainText, Signature, Key) -> true | false -%% -%% DigestType = sha | md5 -%% PlainText = binary() -%% Signature = binary() -%% Key = rsa_public_key() | dsa_public_key() -%% -%% Description: Verifies the signature <Signature>. -%%-------------------------------------------------------------------- -verify(DigestType, PlainText, Signature, - #'RSAPublicKey'{modulus = Mod, publicExponent = Exp}, _) -> - crypto:rsa_verify(DigestType, - sized_binary(PlainText), - sized_binary(Signature), - [crypto:mpint(Exp), crypto:mpint(Mod)]); - -verify(none, Hash, Signature, Key, #'Dss-Parms'{p = P, q = Q, g = G}) -> - crypto:dss_verify(none, Hash, - sized_binary(Signature), - [crypto:mpint(P), crypto:mpint(Q), - crypto:mpint(G), crypto:mpint(Key)]); - -verify(sha, PlainText, Signature, Key, #'Dss-Parms'{p = P, q = Q, g = G}) -> - crypto:dss_verify(sized_binary(PlainText), - sized_binary(Signature), - [crypto:mpint(P), crypto:mpint(Q), - crypto:mpint(G), crypto:mpint(Key)]). - - -%%-------------------------------------------------------------------- -%% Function: gen_key(Type, Params) -> -%% Type = diffie_hellman -%% Params = [P,G] | [Y, P, G] -%% Description: Generates keys. -%% ----------------------------------------------------------------- -gen_key(diffie_hellman, [Y, P, G]) -> - crypto:dh_generate_key(crypto:mpint(Y), [crypto:mpint(P), - crypto:mpint(G)]); -gen_key(diffie_hellman, [P, G]) -> - crypto:dh_generate_key([crypto:mpint(P), crypto:mpint(G)]). - -%%% TODO: Support rsa, dss key_gen - -%%-------------------------------------------------------------------- -%%% Internal functions -%%-------------------------------------------------------------------- -sized_binary(Binary) when is_binary(Binary) -> - Size = size(Binary), - <<?UINT32(Size), Binary/binary>>; -sized_binary(List) -> - sized_binary(list_to_binary(List)). - |