Generalize crypto::SignatureCreator to allow choice of hash function, so as to support SHA256 (not …

chrome/browser/extensions/extension_creator.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/extension_creator.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 193 matching lines @@
     return false;
   }
 
   return true;
 }
 
 bool ExtensionCreator::SignZip(const base::FilePath& zip_path,
                                crypto::RSAPrivateKey* private_key,
                                std::vector<uint8>* signature) {
   scoped_ptr<crypto::SignatureCreator> signature_creator(
-      crypto::SignatureCreator::Create(private_key));
+      crypto::SignatureCreator::Create(private_key,
+                                       crypto::SignatureCreator::SHA1));
   base::ScopedFILE zip_handle(base::OpenFile(zip_path, "rb"));
   size_t buffer_size = 1 << 16;
   scoped_ptr<uint8[]> buffer(new uint8[buffer_size]);
   int bytes_read = -1;
   while ((bytes_read = fread(buffer.get(), 1, buffer_size,
        zip_handle.get())) > 0) {
     if (!signature_creator->Update(buffer.get(), bytes_read)) {
       error_message_ =
           l10n_util::GetStringUTF8(IDS_EXTENSION_ERROR_WHILE_SIGNING);
       return false;
@@ skipping 97 matching lines @@
       SignZip(zip_path, key_pair.get(), &signature) &&
       WriteCRX(zip_path, key_pair.get(), signature, crx_path)) {
     result = true;
   }
 
   base::DeleteFile(zip_path, false);
   return result;
 }
 
 }  // namespace extensions