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-rw-r--r--lib/public_key/doc/src/public_key.xml23
-rw-r--r--lib/public_key/src/public_key.erl126
2 files changed, 105 insertions, 44 deletions
diff --git a/lib/public_key/doc/src/public_key.xml b/lib/public_key/doc/src/public_key.xml
index 8d4191d112..942203bd12 100644
--- a/lib/public_key/doc/src/public_key.xml
+++ b/lib/public_key/doc/src/public_key.xml
@@ -129,18 +129,31 @@
<p><c>| 'rsa_no_padding'</c></p>
</item>
+ <tag><c>public_sign_options() =</c></tag>
+ <item><p><c>[{rsa_pad, rsa_sign_padding()} | {rsa_pss_saltlen, integer()}]</c></p></item>
+
+ <tag><c>rsa_sign_padding() =</c></tag>
+ <item>
+ <p><c>'rsa_pkcs1_padding'</c></p>
+ <p><c>| 'rsa_pkcs1_pss_padding'</c></p>
+ </item>
+
<tag><c>digest_type() = </c></tag>
<item><p>Union of <c>rsa_digest_type()</c>, <c>dss_digest_type()</c>,
and <c>ecdsa_digest_type()</c>.</p></item>
<tag><c>rsa_digest_type() = </c></tag>
- <item><p><c>'md5' | 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p></item>
+ <item><p><c>'md5' | 'ripemd160' | 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p></item>
<tag><c>dss_digest_type() = </c></tag>
- <item><p><c>'sha'</c></p></item>
+ <item><p><c>'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p>
+ <p>Note that the actual supported dss_digest_type depends on the underlying crypto library.
+ In OpenSSL version >= 1.0.1 the listed digest are supported, while in 1.0.0 only
+ sha, sha224 and sha256 are supported. In version 0.9.8 only sha is supported.</p>
+ </item>
<tag><c>ecdsa_digest_type() = </c></tag>
- <item><p><c>'sha'| 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p></item>
+ <item><p><c>'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p></item>
<tag><c>crl_reason() = </c></tag>
<item>
@@ -803,6 +816,7 @@ fun(#'DistributionPoint'{}, #'CertificateList'{},
<func>
<name>sign(Msg, DigestType, Key) -> binary()</name>
+ <name>sign(Msg, DigestType, Key, Options) -> binary()</name>
<fsummary>Creates a digital signature.</fsummary>
<type>
<v>Msg = binary() | {digest,binary()}</v>
@@ -811,6 +825,7 @@ fun(#'DistributionPoint'{}, #'CertificateList'{},
digest.</d>
<v>DigestType = rsa_digest_type() | dss_digest_type() | ecdsa_digest_type()</v>
<v>Key = rsa_private_key() | dsa_private_key() | ec_private_key()</v>
+ <v>Options = public_sign_options()</v>
</type>
<desc>
<p>Creates a digital signature.</p>
@@ -903,6 +918,7 @@ fun(#'DistributionPoint'{}, #'CertificateList'{},
<func>
<name>verify(Msg, DigestType, Signature, Key) -> boolean()</name>
+ <name>verify(Msg, DigestType, Signature, Key, Options) -> boolean()</name>
<fsummary>Verifies a digital signature.</fsummary>
<type>
<v>Msg = binary() | {digest,binary()}</v>
@@ -911,6 +927,7 @@ fun(#'DistributionPoint'{}, #'CertificateList'{},
<v>DigestType = rsa_digest_type() | dss_digest_type() | ecdsa_digest_type()</v>
<v>Signature = binary()</v>
<v>Key = rsa_public_key() | dsa_public_key() | ec_public_key()</v>
+ <v>Options = public_sign_options()</v>
</type>
<desc>
<p>Verifies a digital signature.</p>
diff --git a/lib/public_key/src/public_key.erl b/lib/public_key/src/public_key.erl
index 341118e5a2..1776baf830 100644
--- a/lib/public_key/src/public_key.erl
+++ b/lib/public_key/src/public_key.erl
@@ -37,7 +37,7 @@
decrypt_public/2, decrypt_public/3,
dh_gex_group/4,
dh_gex_group_sizes/0,
- sign/3, verify/4,
+ sign/3, sign/4, verify/4, verify/5,
generate_key/1,
compute_key/2, compute_key/3,
pkix_sign/2, pkix_verify/2,
@@ -90,10 +90,12 @@
auth_keys.
-type rsa_padding() :: 'rsa_pkcs1_padding' | 'rsa_pkcs1_oaep_padding'
| 'rsa_no_padding'.
+-type rsa_sign_padding() :: 'rsa_pkcs1_padding' | 'rsa_pkcs1_pss_padding'.
-type public_crypt_options() :: [{rsa_pad, rsa_padding()}].
--type rsa_digest_type() :: 'md5' | 'sha'| 'sha224' | 'sha256' | 'sha384' | 'sha512'.
--type dss_digest_type() :: 'none' | 'sha'. %% None is for backwards compatibility
--type ecdsa_digest_type() :: 'sha'| 'sha224' | 'sha256' | 'sha384' | 'sha512'.
+-type rsa_digest_type() :: 'md5' | 'ripemd160' | 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'.
+-type dss_digest_type() :: 'none' | 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'. %% None is for backwards compatibility
+-type ecdsa_digest_type() :: 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'.
+-type public_sign_options() :: [{rsa_pad, rsa_sign_padding()} | {rsa_pss_saltlen, integer()}].
-type digest_type() :: rsa_digest_type() | dss_digest_type() | ecdsa_digest_type().
-type crl_reason() :: unspecified | keyCompromise | cACompromise | affiliationChanged | superseded
| cessationOfOperation | certificateHold | privilegeWithdrawn | aACompromise.
@@ -498,35 +500,67 @@ pkix_sign_types(?'ecdsa-with-SHA512') ->
{sha512, ecdsa}.
%%--------------------------------------------------------------------
--spec sign(binary() | {digest, binary()}, rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(),
- rsa_private_key() |
- dsa_private_key() | ec_private_key()) -> Signature :: binary().
-%% Description: Create digital signature.
-%%--------------------------------------------------------------------
-sign(DigestOrPlainText, DigestType, Key = #'RSAPrivateKey'{}) ->
- crypto:sign(rsa, DigestType, DigestOrPlainText, format_rsa_private_key(Key));
+-spec sign(binary() | {digest, binary()},
+ rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(),
+ rsa_private_key() | dsa_private_key() | ec_private_key()
+ ) -> Signature :: binary().
-sign(DigestOrPlainText, sha, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) ->
- crypto:sign(dss, sha, DigestOrPlainText, [P, Q, G, X]);
+-spec sign(binary() | {digest, binary()},
+ rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(),
+ rsa_private_key() | dsa_private_key() | ec_private_key(),
+ public_sign_options()
+ ) -> Signature :: binary().
-sign(DigestOrPlainText, DigestType, #'ECPrivateKey'{privateKey = PrivKey,
- parameters = Param}) ->
- ECCurve = ec_curve_spec(Param),
- crypto:sign(ecdsa, DigestType, DigestOrPlainText, [PrivKey, ECCurve]);
+%% Description: Create digital signature.
+%%--------------------------------------------------------------------
+sign(DigestOrPlainText, DigestType, Key) ->
+ sign(DigestOrPlainText, DigestType, Key, []).
%% Backwards compatible
-sign(Digest, none, #'DSAPrivateKey'{} = Key) ->
- sign({digest,Digest}, sha, Key).
+sign(Digest, none, Key = #'DSAPrivateKey'{}, Options) when is_binary(Digest) ->
+ sign({digest, Digest}, sha, Key, Options);
+sign(DigestOrPlainText, DigestType, Key, Options) ->
+ case format_sign_key(Key) of
+ badarg ->
+ erlang:error(badarg, [DigestOrPlainText, DigestType, Key, Options]);
+ {Algorithm, CryptoKey} ->
+ crypto:sign(Algorithm, DigestType, DigestOrPlainText, CryptoKey, Options)
+ end.
%%--------------------------------------------------------------------
--spec verify(binary() | {digest, binary()}, rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(),
- Signature :: binary(), rsa_public_key()
- | dsa_public_key() | ec_public_key()) -> boolean().
+-spec verify(binary() | {digest, binary()},
+ rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(),
+ Signature :: binary(),
+ rsa_public_key() | dsa_public_key() | ec_public_key()
+ | rsa_private_key() | dsa_private_key() | ec_private_key()
+ ) -> boolean().
+
+-spec verify(binary() | {digest, binary()},
+ rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(),
+ Signature :: binary(),
+ rsa_public_key() | dsa_public_key() | ec_public_key()
+ | rsa_private_key() | dsa_private_key() | ec_private_key(),
+ public_sign_options()
+ ) -> boolean().
+
%% Description: Verifies a digital signature.
%%--------------------------------------------------------------------
-verify(DigestOrPlainText, DigestType, Signature, Key) when is_binary(Signature) ->
- do_verify(DigestOrPlainText, DigestType, Signature, Key);
-verify(_,_,_,_) ->
+verify(DigestOrPlainText, DigestType, Signature, Key) ->
+ verify(DigestOrPlainText, DigestType, Signature, Key, []).
+
+%% Backwards compatible
+verify(Digest, none, Signature, Key = {_, #'Dss-Parms'{}}, Options) when is_binary(Digest) ->
+ verify({digest, Digest}, sha, Signature, Key, Options);
+verify(Digest, none, Signature, Key = #'DSAPrivateKey'{}, Options) when is_binary(Digest) ->
+ verify({digest, Digest}, sha, Signature, Key, Options);
+verify(DigestOrPlainText, DigestType, Signature, Key, Options) when is_binary(Signature) ->
+ case format_verify_key(Key) of
+ badarg ->
+ erlang:error(badarg, [DigestOrPlainText, DigestType, Signature, Key, Options]);
+ {Algorithm, CryptoKey} ->
+ crypto:verify(Algorithm, DigestType, DigestOrPlainText, Signature, CryptoKey, Options)
+ end;
+verify(_,_,_,_,_) ->
%% If Signature is a bitstring and not a binary we know already at this
%% point that the signature is invalid.
false.
@@ -994,22 +1028,32 @@ short_name_hash({rdnSequence, _Attributes} = Name) ->
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
-do_verify(DigestOrPlainText, DigestType, Signature,
- #'RSAPublicKey'{modulus = Mod, publicExponent = Exp}) ->
- crypto:verify(rsa, DigestType, DigestOrPlainText, Signature,
- [Exp, Mod]);
-
-do_verify(DigestOrPlaintext, DigestType, Signature, {#'ECPoint'{point = Point}, Param}) ->
- ECCurve = ec_curve_spec(Param),
- crypto:verify(ecdsa, DigestType, DigestOrPlaintext, Signature, [Point, ECCurve]);
-
-%% Backwards compatibility
-do_verify(Digest, none, Signature, {_, #'Dss-Parms'{}} = Key ) ->
- verify({digest,Digest}, sha, Signature, Key);
-
-do_verify(DigestOrPlainText, sha = DigestType, Signature, {Key, #'Dss-Parms'{p = P, q = Q, g = G}})
- when is_integer(Key), is_binary(Signature) ->
- crypto:verify(dss, DigestType, DigestOrPlainText, Signature, [P, Q, G, Key]).
+format_sign_key(Key = #'RSAPrivateKey'{}) ->
+ {rsa, format_rsa_private_key(Key)};
+format_sign_key(#'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) ->
+ {dss, [P, Q, G, X]};
+format_sign_key(#'ECPrivateKey'{privateKey = PrivKey, parameters = Param}) ->
+ {ecdsa, [PrivKey, ec_curve_spec(Param)]};
+format_sign_key(_) ->
+ badarg.
+
+format_verify_key(#'RSAPublicKey'{modulus = Mod, publicExponent = Exp}) ->
+ {rsa, [Exp, Mod]};
+format_verify_key({#'ECPoint'{point = Point}, Param}) ->
+ {ecdsa, [Point, ec_curve_spec(Param)]};
+format_verify_key({Key, #'Dss-Parms'{p = P, q = Q, g = G}}) ->
+ {dss, [P, Q, G, Key]};
+%% Convert private keys to public keys
+format_verify_key(#'RSAPrivateKey'{modulus = Mod, publicExponent = Exp}) ->
+ format_verify_key(#'RSAPublicKey'{modulus = Mod, publicExponent = Exp});
+format_verify_key(#'ECPrivateKey'{parameters = Param, publicKey = {_, Point}}) ->
+ format_verify_key({#'ECPoint'{point = Point}, Param});
+format_verify_key(#'ECPrivateKey'{parameters = Param, publicKey = Point}) ->
+ format_verify_key({#'ECPoint'{point = Point}, Param});
+format_verify_key(#'DSAPrivateKey'{y=Y, p=P, q=Q, g=G}) ->
+ format_verify_key({Y, #'Dss-Parms'{p=P, q=Q, g=G}});
+format_verify_key(_) ->
+ badarg.
do_pem_entry_encode(Asn1Type, Entity, CipherInfo, Password) ->
Der = der_encode(Asn1Type, Entity),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 04:14:55 +0000