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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/webcrypto/algorithm_implementation.h"
#include "base/notreached.h"
#include "components/webcrypto/algorithms/asymmetric_key_util.h"
#include "components/webcrypto/blink_key_handle.h"
#include "components/webcrypto/status.h"
#include "crypto/evp.h"
namespace webcrypto {
AlgorithmImplementation::~AlgorithmImplementation() {
}
Status AlgorithmImplementation::Encrypt(
const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
base::span<const uint8_t> data,
std::vector<uint8_t>* buffer) const {
return Status::ErrorUnsupported();
}
Status AlgorithmImplementation::Decrypt(
const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
base::span<const uint8_t> data,
std::vector<uint8_t>* buffer) const {
return Status::ErrorUnsupported();
}
Status AlgorithmImplementation::Sign(const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
base::span<const uint8_t> data,
std::vector<uint8_t>* buffer) const {
return Status::ErrorUnsupported();
}
Status AlgorithmImplementation::Verify(
const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& key,
base::span<const uint8_t> signature,
base::span<const uint8_t> data,
bool* signature_match) const {
return Status::ErrorUnsupported();
}
Status AlgorithmImplementation::Digest(
const blink::WebCryptoAlgorithm& algorithm,
base::span<const uint8_t> data,
std::vector<uint8_t>* buffer) const {
return Status::ErrorUnsupported();
}
Status AlgorithmImplementation::GenerateKey(
const blink::WebCryptoAlgorithm& algorithm,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
GenerateKeyResult* result) const {
return Status::ErrorUnsupported();
}
Status AlgorithmImplementation::DeriveBits(
const blink::WebCryptoAlgorithm& algorithm,
const blink::WebCryptoKey& base_key,
std::optional<unsigned int> length_bits,
std::vector<uint8_t>* derived_bytes) const {
return Status::ErrorUnsupported();
}
Status AlgorithmImplementation::GetKeyLength(
const blink::WebCryptoAlgorithm& key_length_algorithm,
std::optional<unsigned int>* length_bits) const {
return Status::ErrorUnsupported();
}
Status AlgorithmImplementation::ImportKey(
blink::WebCryptoKeyFormat format,
base::span<const uint8_t> key_data,
const blink::WebCryptoAlgorithm& algorithm,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
blink::WebCryptoKey* key) const {
return Status::ErrorUnsupported();
}
Status AlgorithmImplementation::ExportKey(blink::WebCryptoKeyFormat format,
const blink::WebCryptoKey& key,
std::vector<uint8_t>* buffer) const {
return Status::ErrorUnsupported();
}
Status AlgorithmImplementation::SerializeKeyForClone(
const blink::WebCryptoKey& key,
std::vector<uint8_t>* key_data) const {
switch (key.GetType()) {
case blink::kWebCryptoKeyTypeSecret:
*key_data = GetSymmetricKeyData(key);
return Status::Success();
case blink::kWebCryptoKeyTypePublic: {
*key_data = crypto::evp::PublicKeyToBytes(GetEVP_PKEY(key));
return Status::Success();
}
case blink::kWebCryptoKeyTypePrivate: {
*key_data = crypto::evp::PrivateKeyToBytes(GetEVP_PKEY(key));
return Status::Success();
}
}
NOTREACHED();
}
Status AlgorithmImplementation::DeserializeKeyForClone(
const blink::WebCryptoKeyAlgorithm& algorithm,
blink::WebCryptoKeyType type,
bool extractable,
blink::WebCryptoKeyUsageMask usages,
base::span<const uint8_t> key_data,
blink::WebCryptoKey* key) const {
return Status::ErrorUnsupported();
}
} // namespace webcrypto
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