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// Copyright (c) 2014-2019, 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 "ringct/rctSigs.h"
#include "cryptonote_basic/cryptonote_basic.h"
#include "single_tx_test_base.h"
template<size_t ring_size, bool ver>
class test_sig_mlsag : public single_tx_test_base
{
public:
static const size_t cols = ring_size;
static const size_t rows = 2; // 1 spend + 1 commitment
static const size_t loop_count = 1000;
bool init()
{
if (!single_tx_test_base::init())
return false;
rct::keyV xtmp = rct::skvGen(rows);
rct::keyM xm = rct::keyMInit(rows, cols);// = [[None]*N] #just used to generate test public keys
sk = rct::skvGen(rows);
P = rct::keyMInit(rows, cols);// = keyM[[None]*N] #stores the public keys;
ind = 0; // fixed spend index
for (size_t j = 0 ; j < rows ; j++)
{
for (size_t i = 0 ; i < cols ; i++)
{
xm[i][j] = rct::skGen();
P[i][j] = rct::scalarmultBase(xm[i][j]);
}
}
for (size_t j = 0 ; j < rows ; j++)
{
sk[j] = xm[ind][j];
}
IIccss = MLSAG_Gen(rct::identity(), P, sk, NULL, NULL, ind, rows-1, hw::get_device("default"));
return true;
}
bool test()
{
if (ver)
return MLSAG_Ver(rct::identity(), P, IIccss, rows-1);
else
MLSAG_Gen(rct::identity(), P, sk, NULL, NULL, ind, rows-1, hw::get_device("default"));
return true;
}
private:
rct::keyV sk;
rct::keyM P;
size_t ind;
rct::mgSig IIccss;
};
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