blob: c48040195861a09cacaa9e4344eb2b1f5b72a557 [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.
*/
#include "../common.hpp"
#include "crypto.hpp"
#include "../encoding/buffer-stream.hpp"
#include "../security/cryptopp.hpp"
namespace ndn {
void ndn_digestSha256(const uint8_t* data, size_t dataLength, uint8_t* digest)
{
try
{
using namespace CryptoPP;
CryptoPP::SHA256 hash;
OBufferStream os;
StringSource(data, dataLength, true,
new HashFilter(hash, new ArraySink(digest, crypto::SHA256_DIGEST_SIZE)));
}
catch (CryptoPP::Exception& e)
{
return;
}
}
namespace crypto {
ConstBufferPtr
sha256(const uint8_t* data, size_t dataLength)
{
try
{
using namespace CryptoPP;
SHA256 hash;
OBufferStream os;
StringSource(data, dataLength, true, new HashFilter(hash, new FileSink(os)));
return os.buf();
}
catch (CryptoPP::Exception& e)
{
return ConstBufferPtr();
}
}
} // namespace crypto
} // namespace ndn