Add ability to create self signed certs to mac.

base/crypto/signature_creator_mac.cc

 // Copyright (c) 2009 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 "base/crypto/signature_creator.h"
 
 #include <stdlib.h>
 
 #include "base/crypto/cssm_init.h"
 #include "base/logging.h"
@@ skipping 41 matching lines @@
 bool SignatureCreator::Update(const uint8* data_part, int data_part_len) {
   CSSM_DATA data;
   data.Data = const_cast<uint8*>(data_part);
   data.Length = data_part_len;
   CSSM_RETURN crtn = CSSM_SignDataUpdate(sig_handle_, &data, 1);
   DCHECK(crtn == CSSM_OK);
   return true;
 }
 
 bool SignatureCreator::Final(std::vector<uint8>* signature) {
-  CSSM_DATA sig;
-  memset(&sig, 0, sizeof(CSSM_DATA)); // Allow CSSM allocate memory;
-  CSSM_RETURN crtn = CSSM_SignDataFinal(sig_handle_, &sig);
+  ScopedCSSMData sig;
+  CSSM_RETURN crtn = CSSM_SignDataFinal(sig_handle_, sig);
 
   if (crtn) {
     NOTREACHED();
     return false;
   }
 
-  signature->assign(sig.Data, sig.Data + sig.Length);
-  kCssmMemoryFunctions.free_func(sig.Data, NULL); // Release data alloc'd
-                                                  // by CSSM
-
+  signature->assign(sig->Data, sig->Data + sig->Length);
   return true;
 }
 
 }  // namespace base