Implement signature_creator_mac

base/crypto/signature_creator.h

 // 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.
 
 #ifndef BASE_CRYPTO_SIGNATURE_CREATOR_H_
 #define BASE_CRYPTO_SIGNATURE_CREATOR_H_
 
 #include "build/build_config.h"
 
 #if defined(USE_NSS)
 #include <cryptoht.h>
 #elif defined(OS_MACOSX)
-// TODO(port)
+#include <Security/cssm.h>
 #elif defined(OS_WIN)
 #include <windows.h>
 #include <wincrypt.h>
 #endif
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/crypto/rsa_private_key.h"
 
@@ skipping 17 matching lines @@
 
  private:
   // Private constructor. Use the Create() method instead.
   SignatureCreator();
 
   RSAPrivateKey* key_;
 
 #if defined(USE_NSS)
   SGNContext* sign_context_;
 #elif defined(OS_MACOSX)
-  // TODO(port)
+  CSSM_CSP_HANDLE csp_handle_;  
+  CSSM_CC_HANDLE sig_handle_;
 #elif defined(OS_WIN)
   HCRYPTHASH hash_object_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(SignatureCreator);
 };
 
 }  // namespace base
 
 #endif  // BASE_CRYPTO_SIGNATURE_CREATOR_H_