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// Copyright 2021 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 CHROMEOS_CROSAPI_CPP_KEYSTORE_SERVICE_UTIL_H_
#define CHROMEOS_CROSAPI_CPP_KEYSTORE_SERVICE_UTIL_H_
#include "base/component_export.h"
#include "base/values.h"
#include "chromeos/crosapi/mojom/keystore_service.mojom.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
namespace crosapi {
namespace keystore_service_util {
// The WebCrypto string for ECDSA.
COMPONENT_EXPORT(CROSAPI)
extern const char kWebCryptoEcdsa[];
// The WebCrypto string for PKCS1.
COMPONENT_EXPORT(CROSAPI)
extern const char kWebCryptoRsassaPkcs1v15[];
// The WebCrypto string for the P-256 named curve.
COMPONENT_EXPORT(CROSAPI)
extern const char kWebCryptoNamedCurveP256[];
// Converts a crosapi signing algorithm into a WebCrypto dictionary. Returns
// absl::nullopt on error.
COMPONENT_EXPORT(CROSAPI)
absl::optional<base::DictionaryValue> DictionaryFromSigningAlgorithm(
const mojom::KeystoreSigningAlgorithmPtr& algorithm);
// Converts a WebCrypto dictionary into a crosapi signing algorithm. Returns
// absl::nullopt on error.
COMPONENT_EXPORT(CROSAPI)
absl::optional<mojom::KeystoreSigningAlgorithmPtr>
SigningAlgorithmFromDictionary(const base::DictionaryValue& dictionary);
// Creates the KeystorePKCS115Params variant of the KeystoreSigningAlgorithm
// union and populates the modulus_length field with |modulus_length|.
COMPONENT_EXPORT(CROSAPI)
mojom::KeystoreSigningAlgorithmPtr MakeRsaKeystoreSigningAlgorithm(
unsigned int modulus_length,
bool sw_backed);
// Creates the KeystoreECDSAParams variant of the KeystoreSigningAlgorithm
// union and populates the named_curve field with |modulus_length|.
COMPONENT_EXPORT(CROSAPI)
mojom::KeystoreSigningAlgorithmPtr MakeEcKeystoreSigningAlgorithm(
const std::string& named_curve);
} // namespace keystore_service_util
} // namespace crosapi
#endif // CHROMEOS_CROSAPI_CPP_KEYSTORE_SERVICE_UTIL_H_