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// 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 {
class CONTENT_EXPORT WebCryptoImpl
: NON_EXPORTED_BASE(public WebKit::WebCrypto) {
public:
WebCryptoImpl();
virtual void encrypt(
const WebKit::WebCryptoAlgorithm& algorithm,
const WebKit::WebCryptoKey& key,
const unsigned char* data,
unsigned data_size,
WebKit::WebCryptoResult result);
virtual void decrypt(
const WebKit::WebCryptoAlgorithm& algorithm,
const WebKit::WebCryptoKey& key,
const unsigned char* data,
unsigned data_size,
WebKit::WebCryptoResult result);
virtual void digest(
const WebKit::WebCryptoAlgorithm& algorithm,
const unsigned char* data,
unsigned data_size,
WebKit::WebCryptoResult result);
virtual void generateKey(
const WebKit::WebCryptoAlgorithm& algorithm,
bool extractable,
WebKit::WebCryptoKeyUsageMask usage_mask,
WebKit::WebCryptoResult result);
virtual void importKey(
WebKit::WebCryptoKeyFormat format,
const unsigned char* key_data,
unsigned key_data_size,
const WebKit::WebCryptoAlgorithm& algorithm_or_null,
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);
virtual void verifySignature(
const WebKit::WebCryptoAlgorithm& algorithm,
const WebKit::WebCryptoKey& key,
const unsigned char* signature,
unsigned signature_size,
const unsigned char* data,
unsigned data_size,
WebKit::WebCryptoResult result);
static void ShrinkBuffer(WebKit::WebArrayBuffer* buffer, unsigned new_size);
protected:
friend class WebCryptoImplTest;
void Init();
bool EncryptInternal(
const WebKit::WebCryptoAlgorithm& algorithm,
const WebKit::WebCryptoKey& key,
const unsigned char* data,
unsigned data_size,
WebKit::WebArrayBuffer* buffer);
bool DecryptInternal(
const WebKit::WebCryptoAlgorithm& algorithm,
const WebKit::WebCryptoKey& key,
const unsigned char* data,
unsigned data_size,
WebKit::WebArrayBuffer* buffer);
bool DigestInternal(
const WebKit::WebCryptoAlgorithm& algorithm,
const unsigned char* data,
unsigned data_size,
WebKit::WebArrayBuffer* buffer);
bool GenerateKeyInternal(
const WebKit::WebCryptoAlgorithm& algorithm,
bool extractable,
WebKit::WebCryptoKeyUsageMask usage_mask,
WebKit::WebCryptoKey* key);
bool GenerateKeyPairInternal(
const WebKit::WebCryptoAlgorithm& algorithm,
bool extractable,
WebKit::WebCryptoKeyUsageMask usage_mask,
WebKit::WebCryptoKey* public_key,
WebKit::WebCryptoKey* private_key);
bool ImportKeyInternal(
WebKit::WebCryptoKeyFormat format,
const unsigned char* key_data,
unsigned key_data_size,
const WebKit::WebCryptoAlgorithm& algorithm_or_null,
bool extractable,
WebKit::WebCryptoKeyUsageMask usage_mask,
WebKit::WebCryptoKey* key);
bool SignInternal(
const WebKit::WebCryptoAlgorithm& algorithm,
const WebKit::WebCryptoKey& key,
const unsigned char* data,
unsigned data_size,
WebKit::WebArrayBuffer* buffer);
bool VerifySignatureInternal(
const WebKit::WebCryptoAlgorithm& algorithm,
const WebKit::WebCryptoKey& key,
const unsigned char* signature,
unsigned signature_size,
const unsigned char* data,
unsigned data_size,
bool* signature_match);
private:
DISALLOW_COPY_AND_ASSIGN(WebCryptoImpl);
};
} // namespace content
#endif // CONTENT_RENDERER_WEBCRYPTO_WEBCRYPTO_IMPL_H_
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