rotating_hash.h File Reference

Rotating Hash algorithm (interface). More...

#include <cfg/compiler.h>

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Functions
void	rotating_init (rotating_t *rot)
	Init rotating checksum.
void	rotating_update1 (uint8_t c, rotating_t *rot)
	Update checksum pointed by rot with c data.
void	rotating_update (const void *_buf, size_t len, rotating_t *rot)
	Update checksum pointed by rot with data supplied in buf.

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Detailed Description

Rotating Hash algorithm (interface).

This is a simple yet powerfull checksum algorithm. Instead of just xor-ing the data, rotating hash circular shift the checksum 4 place left before xoring. This is a bit more stronger than simply sum the data.

Version:

Id

rotating_hash.h 1202 2008-03-20 14:40:42Z asterix

Author:

Francesco Sacchi <batt@develer.com>

Definition in file rotating_hash.h.