Implement PBKDF2-based key derivation, random key generation,...

base/crypto/signature_creator_win.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 "base/logging.h"
 #include "base/scoped_ptr.h"
 
 namespace base {
 
 // static
 SignatureCreator* SignatureCreator::Create(RSAPrivateKey* key) {
   scoped_ptr<SignatureCreator> result(new SignatureCreator);
   result->key_ = key;
 
   if (!CryptCreateHash(key->provider(), CALG_SHA1, 0, 0,
-                       &result->hash_object_)) {
+                       result->hash_object_.receive())) {
     NOTREACHED();
     return NULL;
   }
 
   return result.release();
 }
 
 SignatureCreator::SignatureCreator() : hash_object_(0) {}
 
-SignatureCreator::~SignatureCreator() {
-  if (hash_object_) {
-    if (!CryptDestroyHash(hash_object_))
-      NOTREACHED();
-
-    hash_object_ = 0;
-  }
-}
+SignatureCreator::~SignatureCreator() {}
 
 bool SignatureCreator::Update(const uint8* data_part, int data_part_len) {
   if (!CryptHashData(hash_object_, data_part, data_part_len, 0)) {
     NOTREACHED();
     return false;
   }
 
   return true;
 }
 
@@ skipping 12 matching lines @@
   }
 
   temp.resize(signature_length);
   for (size_t i = temp.size(); i > 0; --i)
     signature->push_back(temp[i - 1]);
 
   return true;
 }
 
 }  // namespace base