KeyExchange.h

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/*
 *  Copyright (c) 2018-present, Facebook, Inc.
 *  All rights reserved.
 *
 *  This source code is licensed under the BSD-style license found in the
 *  LICENSE file in the root directory of this source tree.
 */

#pragma once

#include <folly/Range.h>
#include <folly/io/IOBuf.h>

namespace fizz {

class KeyExchange {
 public:
  virtual ~KeyExchange() = default;

  virtual void generateKeyPair() = 0;

  virtual std::unique_ptr<folly::IOBuf> getKeyShare() const = 0;

  virtual std::unique_ptr<folly::IOBuf> generateSharedSecret(
      folly::ByteRange keyShare) const = 0;
};
} // namespace fizz