chromium/net/third_party/quiche/src/quiche/blind_sign_auth/cached_blind_sign_auth.h

// Copyright (c) 2023 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 QUICHE_BLIND_SIGN_AUTH_CACHED_BLIND_SIGN_AUTH_H_
#define QUICHE_BLIND_SIGN_AUTH_CACHED_BLIND_SIGN_AUTH_H_

#include <string>
#include <vector>

#include "absl/status/statusor.h"
#include "absl/types/span.h"
#include "quiche/blind_sign_auth/blind_sign_auth_interface.h"
#include "quiche/common/platform/api/quiche_export.h"
#include "quiche/common/platform/api/quiche_mutex.h"
#include "quiche/common/quiche_circular_deque.h"

namespace quiche {

inline constexpr int kBlindSignAuthRequestMaxTokens = …;

// CachedBlindSignAuth caches signed tokens generated by BlindSignAuth.
// This class does not guarantee that tokens returned are fresh.
// Tokens may be stale if the backend has rotated its signing key since tokens
// were generated.
// This class is thread-safe.
class QUICHE_EXPORT CachedBlindSignAuth : public BlindSignAuthInterface { … };

}  // namespace quiche

#endif  // QUICHE_BLIND_SIGN_AUTH_CACHED_BLIND_SIGN_AUTH_H_