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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 CONTENT_CHILD_WEBCRYPTO_ALGORITHM_DISPATCH_H_
#define CONTENT_CHILD_WEBCRYPTO_ALGORITHM_DISPATCH_H_
#include <stdint.h>
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "content/common/content_export.h"
#include "third_party/WebKit/public/platform/WebCrypto.h"
namespace content {
namespace webcrypto {
class AlgorithmImplementation;
class CryptoData;
class GenerateKeyResult;
class Status;
// These functions provide an entry point for synchronous webcrypto operations.
//
// The inputs to these methods come from Blink, and hence the validations done
// by Blink can be assumed:
//
// * The algorithm parameters are consistent with the algorithm
// * The key contains the required usage for the operation
CONTENT_EXPORT Status Encrypt(const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
const CryptoData& data,
std::vector<uint8_t>* buffer);
CONTENT_EXPORT Status Decrypt(const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
const CryptoData& data,
std::vector<uint8_t>* buffer);
CONTENT_EXPORT Status Digest(const blink::WebCryptoAlgorithm& algorithm,
const CryptoData& data,
std::vector<uint8_t>* buffer);
CONTENT_EXPORT Status GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
GenerateKeyResult* result);
CONTENT_EXPORT Status ImportKey(blink::WebCryptoKeyFormat format,
const CryptoData& key_data,
const blink::WebCryptoAlgorithm& algorithm,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
blink::WebCryptoKey* key);
CONTENT_EXPORT Status ExportKey(blink::WebCryptoKeyFormat format,
const blink::WebCryptoKey& key,
std::vector<uint8_t>* buffer);
CONTENT_EXPORT Status Sign(const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
const CryptoData& data,
std::vector<uint8_t>* buffer);
CONTENT_EXPORT Status Verify(const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
const CryptoData& signature,
const CryptoData& data,
bool* signature_match);
CONTENT_EXPORT Status
WrapKey(blink::WebCryptoKeyFormat format,
const blink::WebCryptoKey& key_to_wrap,
const blink::WebCryptoKey& wrapping_key,
const blink::WebCryptoAlgorithm& wrapping_algorithm,
std::vector<uint8_t>* buffer);
CONTENT_EXPORT Status
UnwrapKey(blink::WebCryptoKeyFormat format,
const CryptoData& wrapped_key_data,
const blink::WebCryptoKey& wrapping_key,
const blink::WebCryptoAlgorithm& wrapping_algorithm,
const blink::WebCryptoAlgorithm& algorithm,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
blink::WebCryptoKey* key);
CONTENT_EXPORT scoped_ptr<blink::WebCryptoDigestor> CreateDigestor(
blink::WebCryptoAlgorithmId algorithm);
CONTENT_EXPORT bool SerializeKeyForClone(const blink::WebCryptoKey& key,
blink::WebVector<uint8_t>* key_data);
CONTENT_EXPORT bool DeserializeKeyForClone(
const blink::WebCryptoKeyAlgorithm& algorithm,
blink::WebCryptoKeyType type,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
const CryptoData& key_data,
blink::WebCryptoKey* key);
} // namespace webcrypto
} // namespace content
#endif // CONTENT_CHILD_WEBCRYPTO_ALGORITHM_DISPATCH_H_
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