monero/tests/unit_tests/bulletproofs.cpp
2018-09-11 13:37:17 +00:00

90 lines
3.1 KiB
C++

// Copyright (c) 2017-2018, 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
#include "gtest/gtest.h"
#include "ringct/rctOps.h"
#include "ringct/bulletproofs.h"
#include "misc_log_ex.h"
TEST(bulletproofs, valid_zero)
{
rct::Bulletproof proof = bulletproof_PROVE(0, rct::skGen());
ASSERT_TRUE(rct::bulletproof_VERIFY(proof));
}
TEST(bulletproofs, valid_max)
{
rct::Bulletproof proof = bulletproof_PROVE(0xffffffffffffffff, rct::skGen());
ASSERT_TRUE(rct::bulletproof_VERIFY(proof));
}
TEST(bulletproofs, valid_random)
{
for (int n = 0; n < 8; ++n)
{
rct::Bulletproof proof = bulletproof_PROVE(crypto::rand<uint64_t>(), rct::skGen());
ASSERT_TRUE(rct::bulletproof_VERIFY(proof));
}
}
TEST(bulletproofs, valid_multi_random)
{
for (int n = 0; n < 8; ++n)
{
size_t outputs = 2 + n;
std::vector<uint64_t> amounts;
rct::keyV gamma;
for (size_t i = 0; i < outputs; ++i)
{
amounts.push_back(crypto::rand<uint64_t>());
gamma.push_back(rct::skGen());
}
rct::Bulletproof proof = bulletproof_PROVE(amounts, gamma);
ASSERT_TRUE(rct::bulletproof_VERIFY(proof));
}
}
TEST(bulletproofs, invalid_8)
{
rct::key invalid_amount = rct::zero();
invalid_amount[8] = 1;
rct::Bulletproof proof = bulletproof_PROVE(invalid_amount, rct::skGen());
ASSERT_FALSE(rct::bulletproof_VERIFY(proof));
}
TEST(bulletproofs, invalid_31)
{
rct::key invalid_amount = rct::zero();
invalid_amount[31] = 1;
rct::Bulletproof proof = bulletproof_PROVE(invalid_amount, rct::skGen());
ASSERT_FALSE(rct::bulletproof_VERIFY(proof));
}