crc 0.1

This is a general CRC (Cyclic Redundancy Check) generator for ruby. It is written by pure ruby with based on slice-by-eight algorithm (byte-order-free slice-by-16 algorithm). Included built-in CRC modules are CRC-32, CRC-64-ECMA, CRC-64-ISO, CRC-16-CCITT, CRC-16-IBM, CRC-8, CRC-5-USB, CRC-5-EPC and more. And your defined CRC modules to use. If you need more speed, please use crc-turbo.