crc32.h File Reference

Go to the source code of this file.

#include "utildev.h"

Detailed Description

CRC32 hash function support.

Param	Value
Alias	"CRC-32"
Check	0xCBF43926 (crc32 of "123456789")
Poly	0x04C11DB7
Init	0xffffffff
RefIn	true
RefOut	true
XorOut	0xffffffff

Copyright

This file is released into the Public Domain under the Creative Commons Zero v1.0 Universal license.

Macros
#define	CRC32LEN   4
	CRC32 message digest length, in bytes.

Functions
uint32_t	crc32 (void *in, size_t inlen)
	Compute CRC32 on inlen bytes of in. More...

Function Documentation

crc32()

uint32_t crc32	(	void *	in,
		size_t	inlen
	)

Compute CRC32 on inlen bytes of in.

Parameters

in	Pointer to data to hash
inlen	Length in bytes of in data

Returns

32-bit unsigned integer result of CRC32 hash.

32-bit CRC table