120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Simple x264 Launcher
|
|
// Copyright (C) 2004-2017 LoRd_MuldeR <MuldeR2@GMX.de>
|
|
//
|
|
// This program 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 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program 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.
|
|
//
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this program; if not, write to the Free Software Foundation, Inc.,
|
|
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
//
|
|
// http://www.gnu.org/licenses/gpl-2.0.txt
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
/*
|
|
BLAKE2 reference source code package - reference C implementations
|
|
|
|
Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
|
|
|
|
To the extent possible under law, the author(s) have dedicated all copyright
|
|
and related and neighboring rights to this software to the public domain
|
|
worldwide. This software is distributed without any warranty.
|
|
|
|
You should have received a copy of the CC0 Public Domain Dedication along with
|
|
this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
|
|
*/
|
|
|
|
#include "Hash_Blake2.h"
|
|
|
|
//MUtils
|
|
#include <MUtils/Exception.h>
|
|
|
|
//Internal
|
|
#include "3rd_party/blake2/include/blake2.h"
|
|
|
|
#include <malloc.h>
|
|
#include <string.h>
|
|
#include <stdexcept>
|
|
|
|
static const size_t HASH_SIZE = 64;
|
|
|
|
class MUtils::Hash::Blake2_Context
|
|
{
|
|
friend Blake2;
|
|
|
|
Blake2_Context(void)
|
|
{
|
|
if(!(state = (MUtils::Hash::Internal::Blake2Impl::blake2b_state*) _aligned_malloc(sizeof(MUtils::Hash::Internal::Blake2Impl::blake2b_state), HASH_SIZE)))
|
|
{
|
|
MUTILS_THROW("Aligend malloc has failed!");
|
|
}
|
|
memset(state, 0, sizeof(MUtils::Hash::Internal::Blake2Impl::blake2b_state));
|
|
}
|
|
|
|
~Blake2_Context(void)
|
|
{
|
|
memset(state, 0, sizeof(MUtils::Hash::Internal::Blake2Impl::blake2b_state));
|
|
_aligned_free(state);
|
|
}
|
|
|
|
private:
|
|
MUtils::Hash::Internal::Blake2Impl::blake2b_state *state;
|
|
};
|
|
|
|
MUtils::Hash::Blake2::Blake2(const char *const key)
|
|
:
|
|
m_context(new Blake2_Context()),
|
|
m_finalized(false)
|
|
{
|
|
if(key && key[0])
|
|
{
|
|
blake2b_init_key(m_context->state, HASH_SIZE, key, (uint8_t)strlen(key));
|
|
}
|
|
else
|
|
{
|
|
blake2b_init(m_context->state, HASH_SIZE);
|
|
}
|
|
}
|
|
|
|
MUtils::Hash::Blake2::~Blake2(void)
|
|
{
|
|
delete m_context;
|
|
}
|
|
|
|
bool MUtils::Hash::Blake2::process(const quint8 *const data, const quint32 len)
|
|
{
|
|
if(m_finalized)
|
|
{
|
|
MUTILS_THROW("BLAKE2 was already finalized!");
|
|
}
|
|
|
|
if(data && (len > 0))
|
|
{
|
|
if(blake2b_update(m_context->state, data, len) != 0)
|
|
{
|
|
MUTILS_THROW("BLAKE2 internal error!");
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
QByteArray MUtils::Hash::Blake2::finalize(void)
|
|
{
|
|
QByteArray result(HASH_SIZE, '\0');
|
|
if(blake2b_final(m_context->state, (uint8_t*) result.data(), result.size()) != 0)
|
|
{
|
|
MUTILS_THROW("BLAKE2 internal error!");
|
|
}
|
|
m_finalized = true;
|
|
return result;
|
|
}
|