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-rw-r--r--lib/public_key/doc/src/public_key.xml15
-rw-r--r--lib/public_key/src/public_key.erl84
2 files changed, 36 insertions, 63 deletions
diff --git a/lib/public_key/doc/src/public_key.xml b/lib/public_key/doc/src/public_key.xml
index 0c9e0c9013..f64274d608 100644
--- a/lib/public_key/doc/src/public_key.xml
+++ b/lib/public_key/doc/src/public_key.xml
@@ -396,11 +396,11 @@
<name>sign(Msg, DigestType, Key) -> binary()</name>
<fsummary> Create digital signature.</fsummary>
<type>
- <v>Msg = binary()</v>
+ <v>Msg = binary() | {digest,binary()}</v>
<d>The msg is either the binary "plain text" data to be
- signed or in the case that digest type is <c>{digest, DigestType}</c>
- it is the hashed value of "plain text" i.e. the digest.</d>
- <v>DigestType = rsa_digest_type() | dsa_digest_type() | {digest, rsa_digest_type() | dsa_digest_type()}</v>
+ signed or it is the hashed value of "plain text" i.e. the
+ digest.</d>
+ <v>DigestType = rsa_digest_type() | dsa_digest_type()</v>
<v>Key = rsa_private_key() | dsa_private_key()</v>
</type>
<desc>
@@ -461,11 +461,10 @@
<name>verify(Msg, DigestType, Signature, Key) -> boolean()</name>
<fsummary>Verifies a digital signature.</fsummary>
<type>
- <v>Msg = binary()</v>
+ <v>Msg = binary() | {digest,binary()}</v>
<d>The msg is either the binary "plain text" data
- or in the case that digest type is <c>{digest, DigestType}</c>
- it is the hashed value of "plain text" i.e. the digest.</d>
- <v>DigestType = rsa_digest_type() | dsa_digest_type() | {digest, rsa_digest_type() | dsa_digest_type()}</v>
+ or it is the hashed value of "plain text" i.e. the digest.</d>
+ <v>DigestType = rsa_digest_type() | dsa_digest_type()</v>
<v>Signature = binary()</v>
<v>Key = rsa_public_key() | dsa_public_key()</v>
</type>
diff --git a/lib/public_key/src/public_key.erl b/lib/public_key/src/public_key.erl
index 9c87c9505e..686a11a7b2 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
@@ -48,7 +48,7 @@
-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 rsa_digest_type() :: 'md5' | 'sha'| 'sha256' | 'sha384' | 'sha512'.
-type dss_digest_type() :: 'none' | 'sha'. %% None is for backwards compatibility
-define(UINT32(X), X:32/unsigned-big-integer).
@@ -332,87 +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() |
- {digest, rsa_digest_type() | dss_digest_type()},
+-spec sign(binary() | {digest, binary()}, rsa_digest_type() | dss_digest_type(),
rsa_private_key() |
dsa_private_key()) -> Signature :: binary().
%% Description: Create digital signature.
%%--------------------------------------------------------------------
-sign(Digest, {digest, DigestType}, #'RSAPrivateKey'{modulus = N, publicExponent = E,
- privateExponent = D})
- when is_binary(Digest),
- (DigestType == sha orelse
- DigestType == sh256 orelse
- DigestType == sha512 orelse
- DigestType == md5) ->
- crypto:rsa_sign_hash(DigestType, Digest, [crypto:mpint(E), crypto:mpint(N), crypto:mpint(D)]);
-
-sign(PlainText,DigestType, #'RSAPrivateKey'{modulus = N, publicExponent = E,
- privateExponent = D})
- when is_binary(PlainText),
- (DigestType == sha orelse
- DigestType == sh256 orelse
- DigestType == sha512 orelse
- DigestType == md5) ->
- crypto:rsa_sign(DigestType, sized_binary(PlainText), [crypto:mpint(E),
- crypto:mpint(N),
- crypto:mpint(D)]);
-
-sign(PlainText, sha, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X})
- when is_binary(PlainText) ->
+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}) ->
crypto:dss_sign(sized_binary(PlainText),
[crypto:mpint(P), crypto:mpint(Q),
crypto:mpint(G), crypto:mpint(X)]);
-sign(Digest, {digest, DigestType}, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X})
- when is_binary(Digest)->
- crypto:dss_sign_hash(DigestType, Digest,
- [crypto:mpint(P), crypto:mpint(Q),
- crypto:mpint(G), crypto:mpint(X)]);
%% Backwards compatible
sign(Digest, none, #'DSAPrivateKey'{} = Key) ->
- sign(Digest, {digest, sha}, Key).
+ sign({digest,Digest}, sha, Key).
%%--------------------------------------------------------------------
--spec verify(PlainTextOrDigest :: binary(), rsa_digest_type() | dss_digest_type() |
- {digest, rsa_digest_type() | dss_digest_type()},
+-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({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})
- when is_binary (PlainText) and (DigestType == sha orelse
- DigestType == sha256 orelse
- DigestType == sha512 orelse
- DigestType == md5) ->
+ #'RSAPublicKey'{modulus = Mod, publicExponent = Exp}) ->
crypto:rsa_verify(DigestType,
sized_binary(PlainText),
sized_binary(Signature),
[crypto:mpint(Exp), crypto:mpint(Mod)]);
-verify(Digest, {digest, DigestType}, Signature, #'RSAPublicKey'{modulus = Mod, publicExponent = Exp})
- when is_binary (Digest) and (DigestType == sha orelse
- DigestType == sha256 orelse
- DigestType == sha512 orelse
- DigestType == md5) ->
- crypto:rsa_verify_hash(DigestType, Digest,
- sized_binary(Signature),
- [crypto:mpint(Exp), crypto:mpint(Mod)]);
-
-verify(Digest, {digest, sha}, 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({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),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 22:30:28 +0000