def _crc32(self, ch, crc):
        return ((crc >> 8) & 0xffffff) ^ self.crctable[(crc ^ ord(ch)) & 0xff]
Compute the CRC32 primitive on one byte.
dataset/ETHPy150Open AndroBugs/AndroBugs_Framework/tools/modified/androguard/patch/zipfile.py/_ZipDecrypter._crc32