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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 "device/device.hpp"
#include "single_tx_test_base.h"
using namespace rct;
template<size_t ring_size, size_t index>
class test_sig_clsag : public single_tx_test_base
{
public:
static const size_t N = ring_size;
static const size_t loop_count = 1000;
static const size_t l = index;
bool init()
{
if (!single_tx_test_base::init())
return false;
message = skGen();
// Random signing/commitment keys
pubs.reserve(N);
for (size_t i = 0; i < N; i++)
{
key sk;
ctkey tmp;
skpkGen(sk, tmp.dest);
skpkGen(sk, tmp.mask);
pubs.push_back(tmp);
}
// Signing key
key p;
skpkGen(p,pubs[l].dest);
// Commitment key
key t,u;
t = skGen();
u = skGen();
addKeys2(pubs[l].mask,t,u,H);
// Offset
key t2;
t2 = skGen();
addKeys2(C_offset,t2,u,H);
// Final signing keys
ctkey insk;
insk.dest = p;
insk.mask = t;
sig = proveRctCLSAGSimple(message,pubs,insk,t2,C_offset,NULL,NULL,NULL,l,hw::get_device("default"));
return true;
}
bool test()
{
return verRctCLSAGSimple(message,sig,pubs,C_offset);
}
private:
ctkeyV pubs;
key C_offset;
clsag sig;
key message;
};
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