d0s3t3ch/wownero
1
0
Fork 0
mirror of https://git.wownero.com/wownero/wownero.git synced 2024-08-15 01:03:23 +00:00
Code Issues Projects Releases Wiki Activity

bulletproofs: reject points not in the main subgroup

Browse source
This commit is contained in:
moneromooo-monero 2018-06-29 15:03:00 +01:00
parent 1569717718
commit c429176248
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
6 changed files with 97 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

61
tests/unit_tests/bulletproofs.cpp
View file

@ -30,6 +30,7 @@
#include "gtest/gtest.h"
#include "string_tools.h"
#include "ringct/rctOps.h"
#include "ringct/rctSigs.h"
#include "ringct/bulletproofs.h"
@ -193,3 +194,63 @@ TEST(bulletproofs, invalid_gamma_ff)
rct::Bulletproof proof = bulletproof_PROVE(invalid_amount, gamma);
ASSERT_FALSE(rct::bulletproof_VERIFY(proof));
}
static const char * const torsion_elements[] =
{
"c7176a703d4dd84fba3c0b760d10670f2a2053fa2c39ccc64ec7fd7792ac03fa",
"0000000000000000000000000000000000000000000000000000000000000000",
"26e8958fc2b227b045c3f489f2ef98f0d5dfac05d3c63339b13802886d53fc85",
"ecffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff7f",
"26e8958fc2b227b045c3f489f2ef98f0d5dfac05d3c63339b13802886d53fc05",
"0000000000000000000000000000000000000000000000000000000000000080",
"c7176a703d4dd84fba3c0b760d10670f2a2053fa2c39ccc64ec7fd7792ac037a",
};
TEST(bulletproofs, invalid_torsion)
{
rct::Bulletproof proof = bulletproof_PROVE(7329838943733, rct::skGen());
ASSERT_TRUE(rct::bulletproof_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_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_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_VERIFY(proof));
k = org_k;
}
const rct::key org_A = proof.A;
rct::addKeys(proof.A, org_A, x);
ASSERT_FALSE(rct::bulletproof_VERIFY(proof));
proof.A = org_A;
const rct::key org_S = proof.S;
rct::addKeys(proof.S, org_S, x);
ASSERT_FALSE(rct::bulletproof_VERIFY(proof));
proof.S = org_S;
const rct::key org_T1 = proof.T1;
rct::addKeys(proof.T1, org_T1, x);
ASSERT_FALSE(rct::bulletproof_VERIFY(proof));
proof.T1 = org_T1;
const rct::key org_T2 = proof.T2;
rct::addKeys(proof.T2, org_T2, x);
ASSERT_FALSE(rct::bulletproof_VERIFY(proof));
proof.T2 = org_T2;
}
}