diff options
Diffstat (limited to 'lib/public_key/src/public_key.erl')
| -rw-r--r-- | lib/public_key/src/public_key.erl | 81 |
1 files changed, 41 insertions, 40 deletions
diff --git a/lib/public_key/src/public_key.erl b/lib/public_key/src/public_key.erl index 9f1a0b3af5..d5df53e848 100644 --- a/lib/public_key/src/public_key.erl +++ b/lib/public_key/src/public_key.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2011. All Rights Reserved. +%% Copyright Ericsson AB 2008-2012. 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 @@ -48,8 +48,8 @@ -type rsa_padding() :: 'rsa_pkcs1_padding' | 'rsa_pkcs1_oaep_padding' | 'rsa_no_padding'. -type public_crypt_options() :: [{rsa_pad, rsa_padding()}]. --type rsa_digest_type() :: 'md5' | 'sha'| 'sha256' | 'sha512'. --type dss_digest_type() :: 'none' | 'sha'. +-type rsa_digest_type() :: 'md5' | 'sha'| 'sha224' | 'sha256' | 'sha384' | 'sha512'. +-type dss_digest_type() :: 'none' | 'sha'. %% None is for backwards compatibility -define(UINT32(X), X:32/unsigned-big-integer). -define(DER_NULL, <<5, 0>>). @@ -332,60 +332,61 @@ format_rsa_private_key(#'RSAPrivateKey'{modulus = N, publicExponent = E, [crypto:mpint(K) || K <- [E, N, D]]. %%-------------------------------------------------------------------- --spec sign(PlainTextOrDigest :: binary(), rsa_digest_type() | dss_digest_type(), - rsa_private_key() | +-spec sign(binary() | {digest, binary()}, rsa_digest_type() | dss_digest_type(), + rsa_private_key() | dsa_private_key()) -> Signature :: binary(). -%% %% Description: Create digital signature. %%-------------------------------------------------------------------- -sign(PlainText, DigestType, - #'RSAPrivateKey'{modulus = N, publicExponent = E, privateExponent = D} = Key) - when is_binary(PlainText), - (DigestType == md5 orelse DigestType == sha), - is_integer(N), is_integer(E), is_integer(D) -> - crypto:rsa_sign(DigestType, sized_binary(PlainText), - format_rsa_private_key(Key)); - -sign(Digest, none, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) - when is_binary(Digest)-> - crypto:dss_sign(none, Digest, - [crypto:mpint(P), crypto:mpint(Q), +sign({digest,_}=Digest, DigestType, Key = #'RSAPrivateKey'{}) -> + crypto:rsa_sign(DigestType, Digest, format_rsa_private_key(Key)); + +sign(PlainText, DigestType, Key = #'RSAPrivateKey'{}) -> + crypto:rsa_sign(DigestType, sized_binary(PlainText), format_rsa_private_key(Key)); + +sign({digest,_}=Digest, sha, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) -> + crypto:dss_sign(Digest, + [crypto:mpint(P), crypto:mpint(Q), crypto:mpint(G), crypto:mpint(X)]); - -sign(PlainText, sha, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) - when is_binary(PlainText) -> - crypto:dss_sign(sized_binary(PlainText), - [crypto:mpint(P), crypto:mpint(Q), - crypto:mpint(G), crypto:mpint(X)]). + +sign(PlainText, sha, #'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)]); + +%% Backwards compatible +sign(Digest, none, #'DSAPrivateKey'{} = Key) -> + sign({digest,Digest}, sha, Key). %%-------------------------------------------------------------------- --spec verify(PlainTextOrDigest :: binary(), rsa_digest_type() | dss_digest_type(), - Signature :: binary(), rsa_public_key() +-spec verify(binary() | {digest, binary()}, rsa_digest_type() | dss_digest_type(), + Signature :: binary(), rsa_public_key() | dsa_public_key()) -> boolean(). -%% %% Description: Verifies a digital signature. %%-------------------------------------------------------------------- -verify(PlainText, DigestType, Signature, - #'RSAPublicKey'{modulus = Mod, publicExponent = Exp}) - when is_binary (PlainText) and (DigestType == sha orelse - DigestType == sha256 orelse - DigestType == sha512 orelse - DigestType == md5) -> +verify({digest,_}=Digest, DigestType, Signature, + #'RSAPublicKey'{modulus = Mod, publicExponent = Exp}) -> + crypto:rsa_verify(DigestType, Digest, + sized_binary(Signature), + [crypto:mpint(Exp), crypto:mpint(Mod)]); + +verify(PlainText, DigestType, Signature, + #'RSAPublicKey'{modulus = Mod, publicExponent = Exp}) -> crypto:rsa_verify(DigestType, sized_binary(PlainText), sized_binary(Signature), [crypto:mpint(Exp), crypto:mpint(Mod)]); -verify(Digest, none, Signature, {Key, #'Dss-Parms'{p = P, q = Q, g = G}}) - when is_integer(Key), is_binary(Digest), is_binary(Signature) -> - crypto:dss_verify(none, - Digest, - sized_binary(Signature), +verify({digest,_}=Digest, sha, Signature, {Key, #'Dss-Parms'{p = P, q = Q, g = G}}) + when is_integer(Key), is_binary(Signature) -> + crypto:dss_verify(Digest, sized_binary(Signature), [crypto:mpint(P), crypto:mpint(Q), crypto:mpint(G), crypto:mpint(Key)]); - +%% Backwards compatibility +verify(Digest, none, Signature, {_, #'Dss-Parms'{}} = Key ) -> + verify({digest,Digest}, sha, Signature, Key); + verify(PlainText, sha, Signature, {Key, #'Dss-Parms'{p = P, q = Q, g = G}}) - when is_integer(Key), is_binary(PlainText), is_binary(Signature) -> + when is_integer(Key), is_binary(PlainText), is_binary(Signature) -> crypto:dss_verify(sized_binary(PlainText), sized_binary(Signature), [crypto:mpint(P), crypto:mpint(Q), |