Refactor to share more code between OpenSSL and NSS implementations.

content/renderer/webcrypto/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_WEBCRYPTO_IMPL_H_
 #define CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/WebCrypto.h"
 
 namespace content {
-namespace webcrypto { class Status; }
 
-class CONTENT_EXPORT WebCryptoImpl
-    : NON_EXPORTED_BASE(public blink::WebCrypto) {
+// Wrapper around the blink WebCrypto asynchronous interface, which forwards to
+// the synchronous platfrom (NSS or OpenSSL) implementation.
+//
+// TODO(eroman): Post the synchronous work to a background thread.
+class WebCryptoImpl : public blink::WebCrypto {
  public:
   WebCryptoImpl();
+  virtual ~WebCryptoImpl();
 
   virtual void encrypt(
       const blink::WebCryptoAlgorithm& algorithm,
       const blink::WebCryptoKey& key,
       const unsigned char* data,
       unsigned int data_size,
       blink::WebCryptoResult result);
   virtual void decrypt(
       const blink::WebCryptoAlgorithm& algorithm,
       const blink::WebCryptoKey& key,
@@ skipping 30 matching lines @@
       blink::WebCryptoResult result);
   virtual void verifySignature(
       const blink::WebCryptoAlgorithm& algorithm,
       const blink::WebCryptoKey& key,
       const unsigned char* signature,
       unsigned int signature_size,
       const unsigned char* data,
       unsigned int data_size,
       blink::WebCryptoResult result);
 
-
- protected:
-  friend class WebCryptoImplTest;
-
-  void Init();
-
-  webcrypto::Status EncryptInternal(
-      const blink::WebCryptoAlgorithm& algorithm,
-      const blink::WebCryptoKey& key,
-      const unsigned char* data,
-      unsigned int data_size,
-      blink::WebArrayBuffer* buffer);
-  webcrypto::Status DecryptInternal(
-      const blink::WebCryptoAlgorithm& algorithm,
-      const blink::WebCryptoKey& key,
-      const unsigned char* data,
-      unsigned int data_size,
-      blink::WebArrayBuffer* buffer);
-  webcrypto::Status DigestInternal(
-      const blink::WebCryptoAlgorithm& algorithm,
-      const unsigned char* data,
-      unsigned int data_size,
-      blink::WebArrayBuffer* buffer);
-  webcrypto::Status GenerateSecretKeyInternal(
-      const blink::WebCryptoAlgorithm& algorithm,
-      bool extractable,
-      blink::WebCryptoKeyUsageMask usage_mask,
-      blink::WebCryptoKey* key);
-  webcrypto::Status GenerateKeyPairInternal(
-      const blink::WebCryptoAlgorithm& algorithm,
-      bool extractable,
-      blink::WebCryptoKeyUsageMask usage_mask,
-      blink::WebCryptoKey* public_key,
-      blink::WebCryptoKey* private_key);
-  webcrypto::Status ImportKeyInternal(
-      blink::WebCryptoKeyFormat format,
-      const unsigned char* key_data,
-      unsigned int key_data_size,
-      const blink::WebCryptoAlgorithm& algorithm_or_null,
-      bool extractable,
-      blink::WebCryptoKeyUsageMask usage_mask,
-      blink::WebCryptoKey* key);
-  webcrypto::Status ExportKeyInternal(
-      blink::WebCryptoKeyFormat format,
-      const blink::WebCryptoKey& key,
-      blink::WebArrayBuffer* buffer);
-  webcrypto::Status SignInternal(
-      const blink::WebCryptoAlgorithm& algorithm,
-      const blink::WebCryptoKey& key,
-      const unsigned char* data,
-      unsigned int data_size,
-      blink::WebArrayBuffer* buffer);
-  webcrypto::Status VerifySignatureInternal(
-      const blink::WebCryptoAlgorithm& algorithm,
-      const blink::WebCryptoKey& key,
-      const unsigned char* signature,
-      unsigned int signature_size,
-      const unsigned char* data,
-      unsigned int data_size,
-      bool* signature_match);
-
-  webcrypto::Status ImportKeyJwk(
-      const unsigned char* key_data,
-      unsigned int key_data_size,
-      const blink::WebCryptoAlgorithm& algorithm_or_null,
-      bool extractable,
-      blink::WebCryptoKeyUsageMask usage_mask,
-      blink::WebCryptoKey* key);
-  webcrypto::Status ImportRsaPublicKeyInternal(
-      const unsigned char* modulus_data,
-      unsigned int modulus_size,
-      const unsigned char* exponent_data,
-      unsigned int exponent_size,
-      const blink::WebCryptoAlgorithm& algorithm,
-      bool extractable,
-      blink::WebCryptoKeyUsageMask usage_mask,
-      blink::WebCryptoKey* key);
-
  private:
   DISALLOW_COPY_AND_ASSIGN(WebCryptoImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_IMPL_H_