diff options
Diffstat (limited to 'lib/public_key/src/pubkey_crypto.erl')
| -rw-r--r-- | lib/public_key/src/pubkey_crypto.erl | 59 |
1 files changed, 41 insertions, 18 deletions
diff --git a/lib/public_key/src/pubkey_crypto.erl b/lib/public_key/src/pubkey_crypto.erl index fe4e97fcc5..4ab655e977 100644 --- a/lib/public_key/src/pubkey_crypto.erl +++ b/lib/public_key/src/pubkey_crypto.erl @@ -1,19 +1,19 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2008-2009. All Rights Reserved. -%% +%% +%% 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% %% @@ -26,7 +26,7 @@ -export([encrypt_public/3, decrypt_private/3, encrypt_private/3, decrypt_public/3, - sign/2, sign/3, verify/5]). + sign/2, sign/3, verify/5, gen_key/2]). -define(UINT32(X), X:32/unsigned-big-integer). @@ -44,10 +44,14 @@ %% %% 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_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, @@ -67,15 +71,20 @@ encrypt_private(PlainText, #'RSAPrivateKey'{modulus = N, %% Description: Uses private key to decrypt public key encrypted data. %%-------------------------------------------------------------------- decrypt_private(CipherText, - #'RSAPrivateKey'{modulus = N,publicExponent = E,privateExponent = D}, + #'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). + [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) -> @@ -125,10 +134,24 @@ verify(sha, PlainText, Signature, Key, #'Dss-Parms'{p = P, q = Q, g = G}) -> [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>>; |