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bulletproofs: a few fixes from the Kudelski review

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- fix integer overflow in n_bulletproof_amounts
- check input scalars are in range
- remove use of environment variable to tweak straus performance
- do not use implementation defined signed shift for signum
This commit is contained in:
moneromooo-monero 2018-07-16 14:40:51 +01:00
parent c429176248
commit 869b3bf824
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4 changed files with 23 additions and 15 deletions
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10
tests/unit_tests/bulletproofs.cpp
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@ -185,16 +185,6 @@ TEST(bulletproofs, invalid_gamma_0)
ASSERT_FALSE(rct::bulletproof_VERIFY(proof));
}
TEST(bulletproofs, invalid_gamma_ff)
{
rct::key invalid_amount = rct::zero();
invalid_amount[8] = 1;
rct::key gamma = rct::zero();
memset(&gamma, 0xff, sizeof(gamma));
rct::Bulletproof proof = bulletproof_PROVE(invalid_amount, gamma);
ASSERT_FALSE(rct::bulletproof_VERIFY(proof));
}
static const char * const torsion_elements[] =
{
"c7176a703d4dd84fba3c0b760d10670f2a2053fa2c39ccc64ec7fd7792ac03fa",