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// Copyright 2024 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_PAYMENTS_CONTENT_BROWSER_BINDING_BROWSER_BOUND_KEY_STORE_H_
#define COMPONENTS_PAYMENTS_CONTENT_BROWSER_BINDING_BROWSER_BOUND_KEY_STORE_H_
#include <memory>
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_refptr.h"
#include "device/fido/public_key_credential_params.h"
namespace payments {
class BrowserBoundKey;
class BrowserBoundKeyStore;
// Get a platform specific instance of the BrowserBoundKeyStore. This function
// has per-platform implementations.
scoped_refptr<BrowserBoundKeyStore> GetBrowserBoundKeyStoreInstance();
// An interface for creating storing and retrieving browser bound keys.
class BrowserBoundKeyStore : public base::RefCounted<BrowserBoundKeyStore> {
public:
using CredentialInfoList =
std::vector<device::PublicKeyCredentialParams::CredentialInfo>;
BrowserBoundKeyStore() = default;
BrowserBoundKeyStore(const BrowserBoundKeyStore&) = delete;
BrowserBoundKeyStore& operator=(const BrowserBoundKeyStore&) = delete;
// Get (or create if not present) a browser bound key for the given
// credential_id.
// `allowed_credentials` is a vector of COSE Algorithm identifiers that
// restricts the algorithms of the browser bound key when creating a new key.
virtual std::unique_ptr<BrowserBoundKey>
GetOrCreateBrowserBoundKeyForCredentialId(
const std::vector<uint8_t>& credential_id,
const CredentialInfoList& allowed_credentials) = 0;
// Deletes the browser bound key, given its identifier.
// `bbk_id` is the identifier of the BrowserBoundKey. Use `std::move()` when
// appropriate to avoid copying the `bbk_id` vector.
virtual void DeleteBrowserBoundKey(std::vector<uint8_t> bbk_id) = 0;
// Returns whether hardware keys are supported by this implementation on the
// current device.
virtual bool GetDeviceSupportsHardwareKeys() = 0;
protected:
virtual ~BrowserBoundKeyStore() = default;
private:
friend base::RefCounted<BrowserBoundKeyStore>;
};
} // namespace payments
#endif // COMPONENTS_PAYMENTS_CONTENT_BROWSER_BINDING_BROWSER_BOUND_KEY_STORE_H_
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