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Bulletproofs+

This commit is contained in:
Sarang Noether 2020-12-12 19:37:16 -05:00 committed by wowario
parent d2fcec5413
commit 0bdbd108d8
11 changed files with 1517 additions and 2 deletions
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2
.gitignore vendored
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@ -109,3 +109,5 @@ nbproject
/testnet
__pycache__/
*.pyc
*.log

2
src/cryptonote_config.h
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@ -234,6 +234,8 @@ namespace config
// Hash domain separators
const char HASH_KEY_BULLETPROOF_EXPONENT[] = "bulletproof";
const char HASH_KEY_BULLETPROOF_PLUS_EXPONENT[] = "bulletproof_plus";
const char HASH_KEY_BULLETPROOF_PLUS_TRANSCRIPT[] = "bulletproof_plus_transcript";
const char HASH_KEY_RINGDB[] = "ringdsb";
const char HASH_KEY_SUBADDRESS[] = "SubAddr";
const unsigned char HASH_KEY_ENCRYPTED_PAYMENT_ID = 0x8d;

6
src/ringct/CMakeLists.txt
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@ -32,13 +32,15 @@ set(ringct_basic_sources
rctCryptoOps.c
multiexp.cc
bulletproofs.cc
bulletproofs2.cc)
bulletproofs2.cc
bulletproofs_plus.cc)
set(ringct_basic_private_headers
rctOps.h
rctTypes.h
multiexp.h
bulletproofs.h)
bulletproofs.h
bulletproofs_plus.h)
monero_private_headers(ringct_basic
${crypto_private_headers})

1135
src/ringct/bulletproofs_plus.cc Normal file
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49
src/ringct/bulletproofs_plus.h Normal file
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@ -0,0 +1,49 @@
// 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.
#pragma once
#ifndef BULLETPROOFS_PLUS_H
#define BULLETPROOFS_PLUS_H
#include "rctTypes.h"
namespace rct
{
BulletproofPlus bulletproof_plus_PROVE(const rct::key &v, const rct::key &gamma);
BulletproofPlus bulletproof_plus_PROVE(uint64_t v, const rct::key &gamma);
BulletproofPlus bulletproof_plus_PROVE(const rct::keyV &v, const rct::keyV &gamma);
BulletproofPlus bulletproof_plus_PROVE(const std::vector<uint64_t> &v, const rct::keyV &gamma);
bool bulletproof_plus_VERIFY(const BulletproofPlus &proof);
bool bulletproof_plus_VERIFY(const std::vector<const BulletproofPlus*> &proofs);
bool bulletproof_plus_VERIFY(const std::vector<BulletproofPlus> &proofs);
}
#endif

33
src/ringct/rctTypes.h
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@ -238,6 +238,39 @@ namespace rct {
END_SERIALIZE()
};
struct BulletproofPlus
{
rct::keyV V;
rct::key A, A1, B;
rct::key r1, s1, d1;
rct::keyV L, R;
BulletproofPlus():
A({}), A1({}), B({}), r1({}), s1({}), d1({}) {}
BulletproofPlus(const rct::key &V, const rct::key &A, const rct::key &A1, const rct::key &B, const rct::key &r1, const rct::key &s1, const rct::key &d1, const rct::keyV &L, const rct::keyV &R):
V({V}), A(A), A1(A1), B(B), r1(r1), s1(s1), d1(d1), L(L), R(R) {}
BulletproofPlus(const rct::keyV &V, const rct::key &A, const rct::key &A1, const rct::key &B, const rct::key &r1, const rct::key &s1, const rct::key &d1, const rct::keyV &L, const rct::keyV &R):
V(V), A(A), A1(A1), B(B), r1(r1), s1(s1), d1(d1), L(L), R(R) {}
bool operator==(const BulletproofPlus &other) const { return V == other.V && A == other.A && A1 == other.A1 && B == other.B && r1 == other.r1 && s1 == other.s1 && d1 == other.d1 && L == other.L && R == other.R; }
BEGIN_SERIALIZE_OBJECT()
// Commitments aren't saved, they're restored via outPk
// FIELD(V)
FIELD(A)
FIELD(A1)
FIELD(B)
FIELD(r1)
FIELD(s1)
FIELD(d1)
FIELD(L)
FIELD(R)
if (L.empty() || L.size() != R.size())
return false;
END_SERIALIZE()
};
size_t n_bulletproof_amounts(const Bulletproof &proof);
size_t n_bulletproof_v1_amounts(const Bulletproof &proof);
size_t n_bulletproof_max_amounts(const Bulletproof &proof);

1
tests/performance_tests/CMakeLists.txt
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@ -46,6 +46,7 @@ set(performance_tests_headers
subaddress_expand.h
range_proof.h
bulletproof.h
bulletproof_plus.h
crypto_ops.h
sc_reduce32.h
sc_check.h

100
tests/performance_tests/bulletproof_plus.h Normal file
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@ -0,0 +1,100 @@
// Copyright (c) 2014-2020, 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
#pragma once
#include "ringct/rctSigs.h"
#include "ringct/bulletproofs_plus.h"
template<bool a_verify, size_t n_amounts>
class test_bulletproof_plus
{
public:
static const size_t approx_loop_count = 100 / n_amounts;
static const size_t loop_count = (approx_loop_count >= 10 ? approx_loop_count : 10) / (a_verify ? 1 : 5);
static const bool verify = a_verify;
bool init()
{
proof = rct::bulletproof_plus_PROVE(std::vector<uint64_t>(n_amounts, 749327532984), rct::skvGen(n_amounts));
return true;
}
bool test()
{
bool ret = true;
if (verify)
ret = rct::bulletproof_plus_VERIFY(proof);
else
rct::bulletproof_plus_PROVE(std::vector<uint64_t>(n_amounts, 749327532984), rct::skvGen(n_amounts));
return ret;
}
private:
rct::BulletproofPlus proof;
};
template<bool batch, size_t start, size_t repeat, size_t mul, size_t add, size_t N>
class test_aggregated_bulletproof_plus
{
public:
static const size_t loop_count = 500 / (N * repeat);
bool init()
{
size_t o = start;
for (size_t n = 0; n < N; ++n)
{
//printf("adding %zu times %zu\n", repeat, o);
for (size_t i = 0; i < repeat; ++i)
proofs.push_back(rct::bulletproof_plus_PROVE(std::vector<uint64_t>(o, 749327532984), rct::skvGen(o)));
o = o * mul + add;
}
return true;
}
bool test()
{
if (batch)
{
return rct::bulletproof_plus_VERIFY(proofs);
}
else
{
for (const rct::BulletproofPlus &proof: proofs)
if (!rct::bulletproof_plus_VERIFY(proof))
return false;
return true;
}
}
private:
std::vector<rct::BulletproofPlus> proofs;
};

21
tests/performance_tests/main.cpp
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@ -58,6 +58,7 @@
#include "equality.h"
#include "range_proof.h"
#include "bulletproof.h"
#include "bulletproof_plus.h"
#include "crypto_ops.h"
#include "multiexp.h"
#include "sig_mlsag.h"
@ -241,6 +242,26 @@ int main(int argc, char** argv)
TEST_PERFORMANCE1(filter, p, test_range_proof, true);
TEST_PERFORMANCE1(filter, p, test_range_proof, false);
TEST_PERFORMANCE2(filter, p, test_bulletproof_plus, true, 1); // 1 bulletproof_plus with 1 amount
TEST_PERFORMANCE2(filter, p, test_bulletproof_plus, false, 1);
TEST_PERFORMANCE2(filter, p, test_bulletproof_plus, true, 2); // 1 bulletproof_plus with 2 amounts
TEST_PERFORMANCE2(filter, p, test_bulletproof_plus, false, 2);
TEST_PERFORMANCE2(filter, p, test_bulletproof_plus, true, 15); // 1 bulletproof_plus with 15 amounts
TEST_PERFORMANCE2(filter, p, test_bulletproof_plus, false, 15);
TEST_PERFORMANCE6(filter, p, test_aggregated_bulletproof_plus, false, 2, 1, 1, 0, 4);
TEST_PERFORMANCE6(filter, p, test_aggregated_bulletproof_plus, true, 2, 1, 1, 0, 4); // 4 proofs, each with 2 amounts
TEST_PERFORMANCE6(filter, p, test_aggregated_bulletproof_plus, false, 8, 1, 1, 0, 4);
TEST_PERFORMANCE6(filter, p, test_aggregated_bulletproof_plus, true, 8, 1, 1, 0, 4); // 4 proofs, each with 8 amounts
TEST_PERFORMANCE6(filter, p, test_aggregated_bulletproof_plus, false, 1, 1, 2, 0, 4);
TEST_PERFORMANCE6(filter, p, test_aggregated_bulletproof_plus, true, 1, 1, 2, 0, 4); // 4 proofs with 1, 2, 4, 8 amounts
TEST_PERFORMANCE6(filter, p, test_aggregated_bulletproof_plus, false, 1, 8, 1, 1, 4);
TEST_PERFORMANCE6(filter, p, test_aggregated_bulletproof_plus, true, 1, 8, 1, 1, 4); // 32 proofs, with 1, 2, 3, 4 amounts, 8 of each
TEST_PERFORMANCE6(filter, p, test_aggregated_bulletproof_plus, false, 2, 1, 1, 0, 64);
TEST_PERFORMANCE6(filter, p, test_aggregated_bulletproof_plus, true, 2, 1, 1, 0, 64); // 64 proof, each with 2 amounts
TEST_PERFORMANCE2(filter, p, test_bulletproof, true, 1); // 1 bulletproof with 1 amount
TEST_PERFORMANCE2(filter, p, test_bulletproof, false, 1);

1
tests/unit_tests/CMakeLists.txt
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@ -36,6 +36,7 @@ set(unit_tests_sources
block_reward.cpp
bootstrap_node_selector.cpp
bulletproofs.cpp
bulletproofs_plus.cpp
canonical_amounts.cpp
chacha.cpp
checkpoints.cpp

169
tests/unit_tests/bulletproofs_plus.cpp Normal file
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@ -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;
}
}