blob: 0d2f82f0f2579fe993000bec2887504398040fc6 [file] [log] [blame]
Alexander Afanasyev1b58a032017-01-04 14:00:47 -08001/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/**
3 * Copyright (c) 2013-2017 Regents of the University of California.
4 *
5 * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
6 *
7 * ndn-cxx library is free software: you can redistribute it and/or modify it under the
8 * terms of the GNU Lesser General Public License as published by the Free Software
9 * Foundation, either version 3 of the License, or (at your option) any later version.
10 *
11 * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
12 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
14 *
15 * You should have received copies of the GNU General Public License and GNU Lesser
16 * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
17 * <http://www.gnu.org/licenses/>.
18 *
19 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
20 */
21
22#include "command-interest-signer.hpp"
23#include "../util/random.hpp"
24
25namespace ndn {
26namespace security {
27
Alexander Afanasyev3e2c3a02017-01-19 13:55:56 -080028CommandInterestPreparer::CommandInterestPreparer()
29 : m_lastUsedTimestamp(0)
30{
31}
32
Alexander Afanasyev1b58a032017-01-04 14:00:47 -080033Name
34CommandInterestPreparer::prepareCommandInterestName(Name name)
35{
36 time::milliseconds timestamp = time::toUnixTimestamp(time::system_clock::now());
37 if (timestamp <= m_lastUsedTimestamp) {
38 timestamp = m_lastUsedTimestamp + time::milliseconds(1);
39 }
40 m_lastUsedTimestamp = timestamp;
41
42 name
43 .append(name::Component::fromNumber(timestamp.count()))
44 .append(name::Component::fromNumber(random::generateWord64())) // nonce
45 ;
46
47 return name;
48}
49
50CommandInterestSigner::CommandInterestSigner(v2::KeyChain& keyChain)
51 : m_keyChain(keyChain)
52{
53}
54
55Interest
56CommandInterestSigner::makeCommandInterest(const Name& name, const SigningInfo& params)
57{
58 Interest commandInterest(prepareCommandInterestName(name));
59 m_keyChain.sign(commandInterest, params);
60 return commandInterest;
61}
62
63} // namespace security
64} // namespace ndn