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Merge pull request #4795

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5d7c2316 rct: add a zeroCommit cache for common pre-rct case (moneromooo-monero)
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Riccardo Spagni 2018-11-16 11:11:10 +02:00
commit 46f989bc49
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GPG key ID: 55432DF31CCD4FCD
4 changed files with 211 additions and 0 deletions
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4
tests/performance_tests/crypto_ops.h
View file

@ -40,6 +40,7 @@ enum test_op
op_sc_mul,
op_ge_add_raw,
op_ge_add_p3_p3,
op_zeroCommitCached,
ops_fast,
op_addKeys,
@ -55,6 +56,7 @@ enum test_op
op_addKeys3,
op_addKeys3_2,
op_isInMainSubgroup,
op_zeroCommitUncached,
};
template<test_op op>
@ -111,6 +113,8 @@ public:
case op_addKeys3: rct::addKeys3(key, scalar0, point0, scalar1, precomp1); break;
case op_addKeys3_2: rct::addKeys3(key, scalar0, precomp0, scalar1, precomp1); break;
case op_isInMainSubgroup: rct::isInMainSubgroup(point0); break;
case op_zeroCommitUncached: rct::zeroCommit(9001); break;
case op_zeroCommitCached: rct::zeroCommit(9000); break;
default: return false;
}
return true;

2
tests/performance_tests/main.cpp
View file

@ -261,6 +261,8 @@ int main(int argc, char** argv)
TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_addKeys3);
TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_addKeys3_2);
TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_isInMainSubgroup);
TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_zeroCommitUncached);
TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_zeroCommitCached);
TEST_PERFORMANCE2(filter, p, test_multiexp, multiexp_bos_coster, 2);
TEST_PERFORMANCE2(filter, p, test_multiexp, multiexp_bos_coster, 4);

19
tests/unit_tests/ringct.cpp
View file

@ -1086,6 +1086,25 @@ TEST(ringct, zeroCommmit)
ASSERT_EQ(z, manual);
}
static rct::key uncachedZeroCommit(uint64_t amount)
{
const rct::key am = rct::d2h(amount);
const rct::key bH = rct::scalarmultH(am);
return rct::addKeys(rct::G, bH);
}
TEST(ringct, zeroCommitCache)
{
ASSERT_EQ(rct::zeroCommit(0), uncachedZeroCommit(0));
ASSERT_EQ(rct::zeroCommit(1), uncachedZeroCommit(1));
ASSERT_EQ(rct::zeroCommit(2), uncachedZeroCommit(2));
ASSERT_EQ(rct::zeroCommit(10), uncachedZeroCommit(10));
ASSERT_EQ(rct::zeroCommit(200), uncachedZeroCommit(200));
ASSERT_EQ(rct::zeroCommit(1000000000), uncachedZeroCommit(1000000000));
ASSERT_EQ(rct::zeroCommit(3000000000000), uncachedZeroCommit(3000000000000));
ASSERT_EQ(rct::zeroCommit(900000000000000), uncachedZeroCommit(900000000000000));
}
TEST(ringct, H)
{
ge_p3 p3;