New answers tagged ghidra
4
FindCrypt is not supposed to find your key, it's supposed to find fixed, known constants associated with well-known cryptographic algorithms. You can see the byte patterns it's looking for in its database.json. It has done exactly what it was supposed to do. Your job as a reverse engineer is to look at the cross-references to the tables that it found and see ...
0
This code can be cleaned up to be a bit more readable
void __cdecl decrypt(char *dst,char *src)
{
byte j;
uint i;
i = 0;
while (j = (byte)i, (char)j < 8) {
dst[i] = ((dst[i] ^ src[i]) << (j & 7) | (byte)(dst[i] ^ src[i]) >> 8 - (j & 7)) - j;
i = (uint)(byte)(j + 1);
}
return;
}
But the shifting and or-ing still ...
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