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-rw-r--r--lib/ssl/src/ssl_certificate.erl25
1 files changed, 23 insertions, 2 deletions
diff --git a/lib/ssl/src/ssl_certificate.erl b/lib/ssl/src/ssl_certificate.erl
index b186a1015a..53366b060c 100644
--- a/lib/ssl/src/ssl_certificate.erl
+++ b/lib/ssl/src/ssl_certificate.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2014 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
@@ -232,7 +232,12 @@ find_issuer(OtpCert, CertDbHandle) ->
IsIssuerFun = fun({_Key, {_Der, #'OTPCertificate'{} = ErlCertCandidate}}, Acc) ->
case public_key:pkix_is_issuer(OtpCert, ErlCertCandidate) of
true ->
- throw(public_key:pkix_issuer_id(ErlCertCandidate, self));
+ case verify_cert_signer(OtpCert, ErlCertCandidate#'OTPCertificate'.tbsCertificate) of
+ true ->
+ throw(public_key:pkix_issuer_id(ErlCertCandidate, self));
+ false ->
+ Acc
+ end;
false ->
Acc
end;
@@ -254,3 +259,19 @@ is_valid_extkey_usage(KeyUse, client) ->
is_valid_extkey_usage(KeyUse, server) ->
%% Server wants to verify client
is_valid_key_usage(KeyUse, ?'id-kp-clientAuth').
+
+verify_cert_signer(OtpCert, SignerTBSCert) ->
+ PublicKey = public_key(SignerTBSCert#'OTPTBSCertificate'.subjectPublicKeyInfo),
+ public_key:pkix_verify(public_key:pkix_encode('OTPCertificate', OtpCert, otp), PublicKey).
+
+public_key(#'OTPSubjectPublicKeyInfo'{algorithm = #'PublicKeyAlgorithm'{algorithm = ?'id-ecPublicKey',
+ parameters = Params},
+ subjectPublicKey = Point}) ->
+ {Point, Params};
+public_key(#'OTPSubjectPublicKeyInfo'{algorithm = #'PublicKeyAlgorithm'{algorithm = ?'rsaEncryption'},
+ subjectPublicKey = Key}) ->
+ Key;
+public_key(#'OTPSubjectPublicKeyInfo'{algorithm = #'PublicKeyAlgorithm'{algorithm = ?'id-dsa',
+ parameters = {params, Params}},
+ subjectPublicKey = Key}) ->
+ {Key, Params}.