chromium/components/sync/engine/nigori/cross_user_sharing_public_key.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_SYNC_ENGINE_NIGORI_CROSS_USER_SHARING_PUBLIC_KEY_H_
#define COMPONENTS_SYNC_ENGINE_NIGORI_CROSS_USER_SHARING_PUBLIC_KEY_H_

#include <array>
#include <optional>

#include "base/containers/span.h"
#include "third_party/boringssl/src/include/openssl/curve25519.h"

namespace syncer {

// A wrapper around a 32-byte X25519 public key.
class CrossUserSharingPublicKey { … };

}  // namespace syncer

#endif  // COMPONENTS_SYNC_ENGINE_NIGORI_CROSS_USER_SHARING_PUBLIC_KEY_H_