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GENERATING AND CHECKING CRC CODES

Sean E. O'Connor

Overview

C++ software for a program which generates and checks CRC (Cyclic Redundancy Check) codes.

Features:

Can work with any size CRC code up to 32 bits.
Well commented source code, easy to extend.

Drawbacks:

Not optimized for speed yet --- I'm working a table lookup method.

References: See my mathematical tutorial on CRC definition and properties. I also have an example generated by Mathematica showing CRC encoding and decoding. Ross Williams has description of various CRC implemenations.

Download Source Code

Source code is distributed under the terms of the GNU General Public License The current version is 2.1

Click on the symbol to view and download the source files below.
Download crcCode.h	This is the CRC code class.
Download crcCode.cpp	Member functions of the CRC code class.
Download shiftRegister.h	This is the class defining a binary linear feedback shift register.
Download shiftRegister.cpp	Member functions of the shift register class.
Download testCRC.cpp	Main unit test program.
Download makefile	Makefile for Cygwin.

Install and Run

On Mac OS X, I use the Xcode IDE; on a Windows platforms, I use the GNU Cygwin toolset for command line compiling and debugging; and on Unix systems, including Mac OS X, I use the built-in gcc compiler and gdb debugger. For online C++ language tutorials, books and references, see links to C++ documentation.

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