Function crcbrother

lib/core/crc.cc:96–109

Thanks to user202729 on StackOverflow for miraculously reverse engineering * this. */

/* Thanks to user202729 on StackOverflow for miraculously reverse engineering
 * this. */
uint32_t crcbrother(const Bytes& bytes)
{
    ByteReader br(bytes);

    uint32_t crc = br.read_8();
    while (!br.eof())
    {
        for (int i = 0; i < 8; i++)
            crc = (crc & 0x800000) ? ((crc << 1) ^ BROTHER_POLY) : (crc << 1);
        crc ^= br.read_8();
    }

    return crc & 0xFFFFFF;
}