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-rw-r--r--lib/public_key/src/public_key.erl81
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),