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// Copyright 2014 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 COMPONENTS_WEBCRYPTO_WEBCRYPTO_IMPL_H_
#define COMPONENTS_WEBCRYPTO_WEBCRYPTO_IMPL_H_
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/single_thread_task_runner.h"
#include "third_party/blink/public/platform/web_crypto.h"
#include "third_party/blink/public/platform/web_crypto_algorithm.h"
#include "third_party/blink/public/platform/web_vector.h"
namespace webcrypto {
// Wrapper around the Blink WebCrypto asynchronous interface, which forwards to
// the synchronous OpenSSL implementation.
//
// WebCryptoImpl is threadsafe.
//
// EnsureInit() must be called prior to using methods on WebCryptoImpl().
class WebCryptoImpl : public blink::WebCrypto {
public:
WebCryptoImpl();
~WebCryptoImpl() override;
void Encrypt(
const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
blink::WebVector<unsigned char> data,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void Decrypt(
const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
blink::WebVector<unsigned char> data,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void Digest(const blink::WebCryptoAlgorithm& algorithm,
blink::WebVector<unsigned char> data,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void GenerateKey(
const blink::WebCryptoAlgorithm& algorithm,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void ImportKey(
blink::WebCryptoKeyFormat format,
blink::WebVector<unsigned char> key_data,
const blink::WebCryptoAlgorithm& algorithm,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void ExportKey(
blink::WebCryptoKeyFormat format,
const blink::WebCryptoKey& key,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void Sign(const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
blink::WebVector<unsigned char> data,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void VerifySignature(
const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
blink::WebVector<unsigned char> signature,
blink::WebVector<unsigned char> data,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void WrapKey(
blink::WebCryptoKeyFormat format,
const blink::WebCryptoKey& key,
const blink::WebCryptoKey& wrapping_key,
const blink::WebCryptoAlgorithm& wrap_algorithm,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void UnwrapKey(
blink::WebCryptoKeyFormat format,
blink::WebVector<unsigned char> wrapped_key,
const blink::WebCryptoKey& wrapping_key,
const blink::WebCryptoAlgorithm& unwrap_algorithm,
const blink::WebCryptoAlgorithm& unwrapped_key_algorithm,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void DeriveBits(
const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& base_key,
unsigned int length_bits,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
void DeriveKey(
const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& base_key,
const blink::WebCryptoAlgorithm& import_algorithm,
const blink::WebCryptoAlgorithm& key_length_algorithm,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
blink::WebCryptoResult result,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
bool DeserializeKeyForClone(const blink::WebCryptoKeyAlgorithm& algorithm,
blink::WebCryptoKeyType type,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
const unsigned char* key_data,
unsigned key_data_size,
blink::WebCryptoKey& key) override;
bool SerializeKeyForClone(const blink::WebCryptoKey& key,
blink::WebVector<unsigned char>& key_data) override;
private:
DISALLOW_COPY_AND_ASSIGN(WebCryptoImpl);
};
} // namespace webcrypto
#endif // COMPONENTS_WEBCRYPTO_WEBCRYPTO_IMPL_H_
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