blob: d215662c769a0911e22c2bd0ef4b145ec7392f1c [file] [log] [blame]
/* -*- 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.
*
* @author Yingdi Yu <http://irl.cs.ucla.edu/~yingdi/>
* @author Alexander Afanasyev <http://lasr.cs.ucla.edu/afanasyev/index.html>
*/
#include "common.hpp"
#include "certificate-extension.hpp"
#include "cryptopp.hpp"
namespace ndn {
void
CertificateExtension::encode(CryptoPP::BufferedTransformation& out) const
{
using namespace CryptoPP;
// Extension ::= SEQUENCE {
// extnID OBJECT IDENTIFIER,
// critical BOOLEAN DEFAULT FALSE,
// extnValue OCTET STRING }
DERSequenceEncoder extension(out);
{
m_extensionId.encode(extension);
DEREncodeUnsigned(extension, m_isCritical, BOOLEAN);
DEREncodeOctetString(extension, m_extensionValue.buf(), m_extensionValue.size());
}
extension.MessageEnd();
}
void
CertificateExtension::decode(CryptoPP::BufferedTransformation& in)
{
using namespace CryptoPP;
// Extension ::= SEQUENCE {
// extnID OBJECT IDENTIFIER,
// critical BOOLEAN DEFAULT FALSE,
// extnValue OCTET STRING }
BERSequenceDecoder extension(in);
{
m_extensionId.decode(extension);
BERDecodeUnsigned(extension, m_isCritical, BOOLEAN);
// the extra copy operation can be optimized, but not trivial,
// since the length is not known in advance
SecByteBlock tmpBlock;
BERDecodeOctetString(extension, tmpBlock);
m_extensionValue.assign(tmpBlock.begin(), tmpBlock.end());
}
extension.MessageEnd();
}
} // namespace ndn