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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_SECURITY_DIGEST_SHA256_HPP
#define NDN_SECURITY_DIGEST_SHA256_HPP
#include "../data.hpp"
#include "../encoding/tlv.hpp"
namespace ndn {
/**
* Represent a SHA256 digest.
*/
class DigestSha256 : public Signature
{
public:
class Error : public Signature::Error
{
public:
explicit
Error(const std::string& what)
: Signature::Error(what)
{
}
};
DigestSha256()
{
m_info = Block(Tlv::SignatureInfo);
m_type = Signature::Sha256;
m_info.push_back(nonNegativeIntegerBlock(Tlv::SignatureType, Tlv::DigestSha256));
}
explicit
DigestSha256(const Signature& signature)
: Signature(signature)
{
if (getType() != Signature::Sha256)
throw Error("Incorrect signature type");
}
};
} // namespace ndn
#endif //NDN_SECURITY_DIGEST_SHA256_HPP