I've always found "A Painless Guide to CRC Error Detection Algorithms" [1] from the zlib site pretty useful and easy to understand. Once you understand polynomi

I've always found "A Painless Guide to CRC Error Detection Algorithms" [1] from the zlib site pretty useful and easy to understand. Once you understand polynomial division, things start making a lot more sense. [1] https://zlib.net/crc_v3.txt https://zlib.net/crc_v3.txt