chromium/components/sync/engine/nigori/nigori.h

// Copyright 2012 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_NIGORI_H_
#define COMPONENTS_SYNC_ENGINE_NIGORI_NIGORI_H_

#include <stddef.h>

#include <memory>
#include <string>

#include "base/time/tick_clock.h"

namespace crypto {
class SymmetricKey;
}  // namespace crypto

namespace syncer {

class KeyDerivationParams;

// A (partial) implementation of Nigori, a protocol to securely store secrets in
// the cloud. This implementation does not support server authentication or
// assisted key derivation.
//
// To store secrets securely, use the |GetKeyName| method to derive a lookup
// name for your secret (basically a map key), and |Encrypt| and |Decrypt| to
// store and retrieve the secret.
//
// https://www.cl.cam.ac.uk/~drt24/nigori/nigori-overview.pdf
class Nigori { … };

}  // namespace syncer

#endif  // COMPONENTS_SYNC_ENGINE_NIGORI_NIGORI_H_