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C++: Add even more test cases.

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This commit is contained in:
Geoffrey White
2023-12-04 11:36:49 +00:00
parent 2f0be40f37
commit cde975dc24
1 changed files with 23 additions and 0 deletions
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23
cpp/ql/test/experimental/query-tests/Security/CWE/CWE-1240/tests_not_crypto.cpp
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@@ -113,3 +113,26 @@ void broadcastNodes(int *v) {
// This function has "cast" and "des" in the name.
COMPUTE(v)
}
#define ROTATE(val, amount) ( (val << amount) | (val >> (32 - amount)) )
static inline void hashMix(const int *data, int &state) {
// This function looks like part of a hashing function. It's not necessarily intended to
// be a cryptographic hash, so should not be flagged.
state ^= data[0];
ROTATE(state, 1);
state ^= data[1];
ROTATE(state, 7);
state ^= data[2];
ROTATE(state, 11);
state ^= data[3];
ROTATE(state, 3);
state ^= data[4];
ROTATE(state, 13);
state ^= data[5];
ROTATE(state, 5);
state ^= data[6];
ROTATE(state, 2);
state ^= data[7];
ROTATE(state, 17);
}