mirrors/bitcoin
1
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2024-11-20 02:25:40 +01:00
Code Issues Projects Releases Wiki Activity

Add unit test for ChaCha20's new caching

Browse Source
This commit is contained in:
Pieter Wuille 2023-01-18 16:27:06 -05:00
parent fb243d25f7
commit 511aa4f1c7
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/test/crypto_tests.cpp
View File

@ -160,6 +160,27 @@ static void TestChaCha20(const std::string &hex_message, const std::string &hexk
}
BOOST_CHECK_EQUAL(hexout, HexStr(outres));
}
// Repeat 10x, but fragmented into 3 chunks, to exercise the ChaCha20 class's caching.
for (int i = 0; i < 10; ++i) {
size_t lens[3];
lens[0] = InsecureRandRange(hexout.size() / 2U + 1U);
lens[1] = InsecureRandRange(hexout.size() / 2U + 1U - lens[0]);
lens[2] = hexout.size() / 2U - lens[0] - lens[1];
rng.Seek64(seek);
outres.assign(hexout.size() / 2U, 0);
size_t pos = 0;
for (int j = 0; j < 3; ++j) {
if (!hex_message.empty()) {
rng.Crypt(m.data() + pos, outres.data() + pos, lens[j]);
} else {
rng.Keystream(outres.data() + pos, lens[j]);
}
pos += lens[j];
}
BOOST_CHECK_EQUAL(hexout, HexStr(outres));
}
}
static void TestPoly1305(const std::string &hexmessage, const std::string &hexkey, const std::string& hextag)