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ringct: the commitment mask is now deterministic

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saves space in the tx and is safe

Found by knaccc
This commit is contained in:
moneromooo-monero 2019-01-08 16:05:18 +00:00
parent 99d946e619
commit 7d37598158
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GPG key ID: 686F07454D6CEFC3
7 changed files with 55 additions and 63 deletions
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21
tests/unit_tests/ringct.cpp
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@ -831,27 +831,6 @@ TEST(ringct, HPow2)
static const xmr_amount test_amounts[]={0, 1, 2, 3, 4, 5, 10000, 10000000000000000000ull, 10203040506070809000ull, 123456789123456789};
TEST(ringct, ecdh_roundtrip)
{
key k;
ecdhTuple t0, t1;
for (auto amount: test_amounts) {
skGen(k);
t0.mask = skGen();
t0.amount = d2h(amount);
t1 = t0;
ecdhEncode(t1, k, true);
ecdhDecode(t1, k, true);
ASSERT_TRUE(t0.mask == t1.mask);
ASSERT_TRUE(equalKeys(t0.mask, t1.mask));
ASSERT_TRUE(t0.amount == t1.amount);
ASSERT_TRUE(equalKeys(t0.amount, t1.amount));
}
}
TEST(ringct, d2h)
{
key k, P1;