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Diffstat (limited to 'tests/unit_tests/bulletproofs_plus.cpp')
-rw-r--r-- | tests/unit_tests/bulletproofs_plus.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/tests/unit_tests/bulletproofs_plus.cpp b/tests/unit_tests/bulletproofs_plus.cpp new file mode 100644 index 000000000..a64320233 --- /dev/null +++ b/tests/unit_tests/bulletproofs_plus.cpp @@ -0,0 +1,169 @@ +// Copyright (c) 2017-2020, 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 "string_tools.h" +#include "ringct/rctOps.h" +#include "ringct/rctSigs.h" +#include "ringct/bulletproofs_plus.h" +#include "cryptonote_basic/blobdatatype.h" +#include "cryptonote_basic/cryptonote_format_utils.h" +#include "device/device.hpp" +#include "misc_log_ex.h" + +TEST(bulletproofs_plus, valid_zero) +{ + rct::BulletproofPlus proof = bulletproof_plus_PROVE(0, rct::skGen()); + ASSERT_TRUE(rct::bulletproof_plus_VERIFY(proof)); +} + +TEST(bulletproofs_plus, valid_max) +{ + rct::BulletproofPlus proof = bulletproof_plus_PROVE(0xffffffffffffffff, rct::skGen()); + ASSERT_TRUE(rct::bulletproof_plus_VERIFY(proof)); +} + +TEST(bulletproofs_plus, valid_random) +{ + for (int n = 0; n < 8; ++n) + { + rct::BulletproofPlus proof = bulletproof_plus_PROVE(crypto::rand<uint64_t>(), rct::skGen()); + ASSERT_TRUE(rct::bulletproof_plus_VERIFY(proof)); + } +} + +TEST(bulletproofs_plus, 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::BulletproofPlus proof = bulletproof_plus_PROVE(amounts, gamma); + ASSERT_TRUE(rct::bulletproof_plus_VERIFY(proof)); + } +} + +TEST(bulletproofs_plus, valid_aggregated) +{ + static const size_t N_PROOFS = 8; + std::vector<rct::BulletproofPlus> proofs(N_PROOFS); + for (size_t n = 0; n < N_PROOFS; ++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()); + } + proofs[n] = bulletproof_plus_PROVE(amounts, gamma); + } + ASSERT_TRUE(rct::bulletproof_plus_VERIFY(proofs)); +} + +TEST(bulletproofs_plus, invalid_8) +{ + rct::key invalid_amount = rct::zero(); + invalid_amount[8] = 1; + rct::BulletproofPlus proof = bulletproof_plus_PROVE(invalid_amount, rct::skGen()); + ASSERT_FALSE(rct::bulletproof_plus_VERIFY(proof)); +} + +TEST(bulletproofs_plus, invalid_31) +{ + rct::key invalid_amount = rct::zero(); + invalid_amount[31] = 1; + rct::BulletproofPlus proof = bulletproof_plus_PROVE(invalid_amount, rct::skGen()); + ASSERT_FALSE(rct::bulletproof_plus_VERIFY(proof)); +} + +static const char * const torsion_elements[] = +{ + "c7176a703d4dd84fba3c0b760d10670f2a2053fa2c39ccc64ec7fd7792ac03fa", + "0000000000000000000000000000000000000000000000000000000000000000", + "26e8958fc2b227b045c3f489f2ef98f0d5dfac05d3c63339b13802886d53fc85", + "ecffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f", + "26e8958fc2b227b045c3f489f2ef98f0d5dfac05d3c63339b13802886d53fc05", + "0000000000000000000000000000000000000000000000000000000000000080", + "c7176a703d4dd84fba3c0b760d10670f2a2053fa2c39ccc64ec7fd7792ac037a", +}; + +TEST(bulletproofs_plus, invalid_torsion) +{ + rct::BulletproofPlus proof = bulletproof_plus_PROVE(7329838943733, rct::skGen()); + ASSERT_TRUE(rct::bulletproof_plus_VERIFY(proof)); + for (const auto &xs: torsion_elements) + { + rct::key x; + ASSERT_TRUE(epee::string_tools::hex_to_pod(xs, x)); + ASSERT_FALSE(rct::isInMainSubgroup(x)); + for (auto &k: proof.V) + { + const rct::key org_k = k; + rct::addKeys(k, org_k, x); + ASSERT_FALSE(rct::bulletproof_plus_VERIFY(proof)); + k = org_k; + } + for (auto &k: proof.L) + { + const rct::key org_k = k; + rct::addKeys(k, org_k, x); + ASSERT_FALSE(rct::bulletproof_plus_VERIFY(proof)); + k = org_k; + } + for (auto &k: proof.R) + { + const rct::key org_k = k; + rct::addKeys(k, org_k, x); + ASSERT_FALSE(rct::bulletproof_plus_VERIFY(proof)); + k = org_k; + } + const rct::key org_A = proof.A; + rct::addKeys(proof.A, org_A, x); + ASSERT_FALSE(rct::bulletproof_plus_VERIFY(proof)); + proof.A = org_A; + const rct::key org_A1 = proof.A1; + rct::addKeys(proof.A1, org_A1, x); + ASSERT_FALSE(rct::bulletproof_plus_VERIFY(proof)); + proof.A1 = org_A1; + const rct::key org_B = proof.B; + rct::addKeys(proof.B, org_B, x); + ASSERT_FALSE(rct::bulletproof_plus_VERIFY(proof)); + proof.B = org_B; + } +} |