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Merge pull request #5707

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3a0451a MLSAG speedup and additional checks (SarangNoether)
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luigi1111 2019-08-28 02:22:00 -05:00
commit 85014813cf
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7 changed files with 75 additions and 101 deletions
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15
tests/unit_tests/ringct.cpp
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@ -788,7 +788,20 @@ TEST(ringct, HPow2)
{
key G = scalarmultBase(d2h(1));
key H = hashToPointSimple(G);
// Note that H is computed differently than standard hashing
// This method is not guaranteed to return a curvepoint for all inputs
// Don't use it elsewhere
key H = cn_fast_hash(G);
ge_p3 H_p3;
int decode = ge_frombytes_vartime(&H_p3, H.bytes);
ASSERT_EQ(decode, 0); // this is known to pass for the particular value G
ge_p2 H_p2;
ge_p3_to_p2(&H_p2, &H_p3);
ge_p1p1 H8_p1p1;
ge_mul8(&H8_p1p1, &H_p2);
ge_p1p1_to_p3(&H_p3, &H8_p1p1);
ge_p3_tobytes(H.bytes, &H_p3);
for (int j = 0 ; j < ATOMS ; j++) {
ASSERT_TRUE(equalKeys(H, H2[j]));
addKeys(H, H, H);