blob: 51c29ed008c19c0b4a8174969d20b9550ee256d9 [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/**
* Copyright (C) 2013 Regents of the University of California.
* @author: Yingdi Yu <yingdi@cs.ucla.edu>
* @author: Jeff Thompson <jefft0@remap.ucla.edu>
* See COPYING for copyright and distribution information.
*/
#include <ndn-cpp/security/certificate/certificate-extension.hpp>
#include <cryptopp/asn.h>
using namespace std;
using namespace CryptoPP;
namespace ndn {
void
CertificateExtension::encode(CryptoPP::BufferedTransformation &out) const
{
// Extension ::= SEQUENCE {
// extnID OBJECT IDENTIFIER,
// critical BOOLEAN DEFAULT FALSE,
// extnValue OCTET STRING }
DERSequenceEncoder extension(out);
{
extensionId_.encode(extension);
DEREncodeUnsigned(extension, isCritical_, BOOLEAN);
DEREncodeOctetString(extension, extensionValue_.buf(), extensionValue_.size());
}
extension.MessageEnd();
}
void
CertificateExtension::decode(CryptoPP::BufferedTransformation &in)
{
// Extension ::= SEQUENCE {
// extnID OBJECT IDENTIFIER,
// critical BOOLEAN DEFAULT FALSE,
// extnValue OCTET STRING }
BERSequenceDecoder extension(in);
{
extensionId_.decode(extension);
BERDecodeUnsigned(extension, 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);
extensionValue_.assign(tmpBlock.begin(), tmpBlock.end());
}
extension.MessageEnd();
}
}