chromium/components/os_crypt/async/browser/key_provider.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_OS_CRYPT_ASYNC_BROWSER_KEY_PROVIDER_H_
#define COMPONENTS_OS_CRYPT_ASYNC_BROWSER_KEY_PROVIDER_H_

#include <optional>
#include <string>

#include "base/functional/callback.h"
#include "components/os_crypt/async/common/encryptor.h"

namespace os_crypt_async {

// KeyProvider is an interface used by OSCryptAsync to provide
// encryption keys for the Encyptor instance. It is not used for data
// encryption, but just for cryptographic operations and storage related to key
// management.
//
// KeyProvider implementations are passed into the constructor of the
// `OSCryptAsync` class.
class KeyProvider { … };

}  // namespace os_crypt_async

#endif  // COMPONENTS_OS_CRYPT_ASYNC_BROWSER_KEY_PROVIDER_H_