WebCrypto: Implement importKey() and sign() for HMAC in NSS

content/renderer/webcrypto_impl.h

 // Copyright (c) 2013 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 CONTENT_RENDERER_WEBCRYPTO_IMPL_H_
 #define CONTENT_RENDERER_WEBCRYPTO_IMPL_H_
 
 #include "base/compiler_specific.h"
 
 #include "base/gtest_prod_util.h"
+#include "base/memory/scoped_ptr.h"
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/WebCrypto.h"
 
 namespace content {
 
 class CONTENT_EXPORT WebCryptoImpl
     : NON_EXPORTED_BASE(public WebKit::WebCrypto) {
  public:
   virtual void digest(
       const WebKit::WebCryptoAlgorithm& algorithm,
       const unsigned char* data,
 #ifdef WEBCRYPTO_DIGEST_LENGTH_IS_UINT
       unsigned data_size,
 #else
       size_t data_size,
 #endif
       WebKit::WebCryptoResult result);
+  virtual void importKey(
+      WebKit::WebCryptoKeyFormat format,
+      const unsigned char* key_data,
+      unsigned key_data_size,
+      const WebKit::WebCryptoAlgorithm& algorithm,
+      bool extractable,
+      WebKit::WebCryptoKeyUsageMask usage_mask,
+      WebKit::WebCryptoResult result);
+  virtual void sign(
+      const WebKit::WebCryptoAlgorithm& algorithm,
+      const WebKit::WebCryptoKey& key,
+      const unsigned char* data,
+      unsigned data_size,
+      WebKit::WebCryptoResult result);
 
  protected:
   FRIEND_TEST_ALL_PREFIXES(WebCryptoImplTest, DigestSampleSets);
+  FRIEND_TEST_ALL_PREFIXES(WebCryptoImplTest, HMACSampleSets);
 
   bool DigestInternal(
       const WebKit::WebCryptoAlgorithm& algorithm,
       const unsigned char* data,
       unsigned data_size,
       WebKit::WebArrayBuffer* buffer);
+  bool ImportKeyInternal(
+      WebKit::WebCryptoKeyFormat format,
+      const unsigned char* key_data,
+      unsigned key_data_size,
+      const WebKit::WebCryptoAlgorithm& algorithm,
+      WebKit::WebCryptoKeyUsageMask usage_mask,
+      scoped_ptr<WebKit::WebCryptoKeyHandle>* handle,
+      WebKit::WebCryptoKeyType* type);
+  bool SignInternal(
+      const WebKit::WebCryptoAlgorithm& algorithm,
+      const WebKit::WebCryptoKeyHandle* key,
+      const unsigned char* data,
+      unsigned data_size,
+      WebKit::WebArrayBuffer* buffer);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_WEBCRYPTO_IMPL_H_