blob: d4cb33a6d27a2f88c6c590bcae0d587bf36afff0 [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2013-2018 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.
*/
#include "command-interest-signer.hpp"
#include "../util/random.hpp"
namespace ndn {
namespace security {
CommandInterestPreparer::CommandInterestPreparer()
: m_lastUsedTimestamp(0)
{
}
Name
CommandInterestPreparer::prepareCommandInterestName(Name name)
{
time::milliseconds timestamp = time::toUnixTimestamp(time::system_clock::now());
if (timestamp <= m_lastUsedTimestamp) {
timestamp = m_lastUsedTimestamp + 1_ms;
}
m_lastUsedTimestamp = timestamp;
name
.append(name::Component::fromNumber(timestamp.count()))
.append(name::Component::fromNumber(random::generateWord64())) // nonce
;
return name;
}
CommandInterestSigner::CommandInterestSigner(KeyChain& keyChain)
: m_keyChain(keyChain)
{
}
Interest
CommandInterestSigner::makeCommandInterest(const Name& name, const SigningInfo& params)
{
Interest commandInterest(prepareCommandInterestName(name));
commandInterest.setCanBePrefix(false);
m_keyChain.sign(commandInterest, params);
return commandInterest;
}
} // namespace security
} // namespace ndn