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crc's Introduction

A simple tool to calculate CRC

crc is a simple program to calculate CRC values created to simplify some of my work routines. Currently it only supports CRC-16-CCITT-FALSE because that's all that I've required at work. But the code is written in a way that it should be easy to add other CRC algorithms.

Compiling

make

Installing

PREFIX=~/.local make install or PREFIX=/usr make install. Modify PREFIX to your needs.

Usage

  • crc <hex-value> To generate a crc from a hex value. Eg. crc beef1234
  • crc -h To print help
  • crc -l To list supported CRC algorithms

Generating a CRC

  • crc beef1234 will output 488d

Validating a CRC

The CRC of a value with CRC appended to it should be 0. Eg. crc beef1234488d will output 0.

Contributing

Yes please! I'm happy to accept pull requests.

crc's People

Contributors

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Watchers

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