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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2014 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*/
#ifndef NDN_UTIL_RANDOM_HPP
#define NDN_UTIL_RANDOM_HPP
#include "../common.hpp"
namespace ndn {
namespace random {
/**
* @brief Generate a cryptographically secure random integer from the range [0, 2^32)
*
* This method uses CryptoPP routines
*/
uint32_t
generateSecureWord32();
/**
* @brief Generate a cryptographically secure random integer from the range [0, 2^64)
*
* This method uses CryptoPP routines
*/
uint64_t
generateSecureWord64();
/**
* @brief Generate a cryptographically non-secure random integer from the range [0, 2^32)
*
* This method uses Boost.Random routines
*
* This version is faster than generateSecureWord32, but it should not be used when
* cryptographically secure random integers are needed (e.g., when creating signing or
* encryption keys)
*/
uint32_t
generateWord32();
/**
* @brief Generate a cryptographically non-secure random integer from range [0, 2^64)
*
* This method uses Boost.Random routines
*
* This version is faster than generateSecureWord64, but it should not be used when
* cryptographically secure random integers are needed (e.g., when creating signing or
* encryption keys)
*/
uint64_t
generateWord64();
} // namespace random
} // namespace ndn
#endif // NDN_UTIL_RANDOM_HPP