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/*
This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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cpp-ethereum 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file SHA3MAC.cpp
* @author Alex Leverington <nessence@gmail.com>
* @date 2014
*
* SHA3 MAC
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*/
#include "CryptoPP.h"
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#include "SHA3MAC.h"
using namespace dev;
using namespace dev::crypto;
using namespace CryptoPP;
void sha3mac(bytesConstRef _secret, bytesConstRef _plain, bytesRef _output)
{
CryptoPP::SHA3_256 ctx;
ctx.Update((byte*)_secret.data(), _secret.size());
ctx.Update((byte*)_plain.data(), _plain.size());
assert(_output.size() >= 32);
ctx.Final(_output.data());
}