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Specialized double sha256 for 64 byte inputs

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This commit is contained in:
Pieter Wuille
2017-09-26 18:29:42 -07:00
parent 57f34630fb
commit d0c9632883
4 changed files with 335 additions and 1 deletions
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16
src/test/crypto_tests.cpp
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@@ -546,4 +546,20 @@ BOOST_AUTO_TEST_CASE(countbits_tests)
}
}
BOOST_AUTO_TEST_CASE(sha256d64)
{
for (int i = 0; i <= 32; ++i) {
unsigned char in[64 * 32];
unsigned char out1[32 * 32], out2[32 * 32];
for (int j = 0; j < 64 * i; ++j) {
in[j] = InsecureRandBits(8);
}
for (int j = 0; j < i; ++j) {
CHash256().Write(in + 64 * j, 64).Finalize(out1 + 32 * j);
}
SHA256D64(out2, in, i);
BOOST_CHECK(memcmp(out1, out2, 32 * i) == 0);
}
}
BOOST_AUTO_TEST_SUITE_END()