mirror of
https://git.wownero.com/wownero/wownero.git
synced 2024-12-23 01:08:52 +00:00
82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
// Copyright (c) 2018, The Monero Project
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification, are
|
|
// permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
// conditions and the following disclaimer.
|
|
//
|
|
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
|
// of conditions and the following disclaimer in the documentation and/or other
|
|
// materials provided with the distribution.
|
|
//
|
|
// 3. Neither the name of the copyright holder nor the names of its contributors may be
|
|
// used to endorse or promote products derived from this software without specific
|
|
// prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
|
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
|
|
|
|
#pragma once
|
|
|
|
#include <vector>
|
|
#include "ringct/rctOps.h"
|
|
#include "ringct/multiexp.h"
|
|
|
|
enum test_multiexp_algorithm
|
|
{
|
|
multiexp_bos_coster,
|
|
multiexp_straus,
|
|
};
|
|
|
|
template<test_multiexp_algorithm algorithm, size_t npoints>
|
|
class test_multiexp
|
|
{
|
|
public:
|
|
static const size_t loop_count = npoints >= 1024 ? 10 : npoints < 256 ? 1000 : 100;
|
|
|
|
bool init()
|
|
{
|
|
data.resize(npoints);
|
|
res = rct::identity();
|
|
for (size_t n = 0; n < npoints; ++n)
|
|
{
|
|
data[n].scalar = rct::skGen();
|
|
rct::key point = rct::scalarmultBase(rct::skGen());
|
|
if (ge_frombytes_vartime(&data[n].point, point.bytes))
|
|
return false;
|
|
rct::key kn = rct::scalarmultKey(point, data[n].scalar);
|
|
res = rct::addKeys(res, kn);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool test()
|
|
{
|
|
switch (algorithm)
|
|
{
|
|
case multiexp_bos_coster:
|
|
return res == bos_coster_heap_conv_robust(data);
|
|
case multiexp_straus:
|
|
return res == straus(data, false);
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private:
|
|
std::vector<rct::MultiexpData> data;
|
|
rct::key res;
|
|
};
|