Implement crypto signature verification routines using OpenSSL.

extensions/browser/api/cast_channel/cast_socket.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/browser/api/cast_channel/cast_socket.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #include "base/bind.h"
@@ skipping 159 matching lines @@
                             << *cert;
   }
 
   logger_->LogSocketEventWithRv(
       channel_id_, proto::DER_ENCODED_CERT_OBTAIN, result ? 1 : 0);
   return result;
 }
 
 bool CastSocket::VerifyChallengeReply() {
   AuthResult result = AuthenticateChallengeReply(*challenge_reply_, peer_cert_);
+  if (result.success()) {

[mark a. foltz, 2014/10/31 22:29:26]

Did you intend to submit this change?
If so, is error_message set on success?

+    VLOG(1) << result.error_message;
+  }
   logger_->LogSocketChallengeReplyEvent(channel_id_, result);
   return result.success();
 }
 
 void CastSocket::Connect(const net::CompletionCallback& callback) {
   DCHECK(CalledOnValidThread());
   VLOG_WITH_CONNECTION(1) << "Connect readyState = " << ready_state_;
   if (ready_state_ != READY_STATE_NONE) {
     logger_->LogSocketEventWithDetails(
         channel_id_, proto::CONNECT_FAILED, "ReadyState not NONE");
@@ skipping 687 matching lines @@
 }
 
 CastSocket::WriteRequest::~WriteRequest() {
 }
 
 }  // namespace cast_channel
 }  // namespace core_api
 }  // namespace extensions
 
 #undef VLOG_WITH_CONNECTION