libraries/liblutil/hash.c - diff

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version 1.1, 2000/09/22 20:19:46	version 1.2, 2000/10/17 22:29:21
Line 1	Line 1
/* $OpenLDAP$ */	/* $OpenLDAP: pkg/ldap/libraries/liblutil/hash.c,v 1.1 2000/09/22 20:19:46 kurt Exp $ */
/* This implements the Fowler / Noll / Vo (FNV-1) hash algorithm.	/* This implements the Fowler / Noll / Vo (FNV-1) hash algorithm.
* A summary of the algorithm can be found at:	* A summary of the algorithm can be found at:
* http://www.isthe.com/chongo/tech/comp/fnv/index.html	* http://www.isthe.com/chongo/tech/comp/fnv/index.html
*/	*/

#include "portable.h"	#include "portable.h"
#include <ac/string.h>

/* include socket.h to get sys/types.h and/or winsock2.h */
#include <ac/socket.h>

#include <lutil_hash.h>	#include <lutil_hash.h>

/* offset and prime for 32-bit FNV-1 */	/* offset and prime for 32-bit FNV-1 */
#define HASH_OFFSET 0x811c9dc5	#define HASH_OFFSET 0x811c9dc5U
#define HASH_PRIME 16777619	#define HASH_PRIME 16777619


Line 60 lutil_HASHFinal( unsigned char *digest,	Line 56 lutil_HASHFinal( unsigned char *digest,
{	{
ber_uint_t h = ctx->hash;	ber_uint_t h = ctx->hash;

digest[0] = h & 0xff;	digest[0] = h & 0xffU;
digest[1] = (h>>8) & 0xff;	digest[1] = (h>>8) & 0xffU;
digest[2] = (h>>16) & 0xff;	digest[2] = (h>>16) & 0xffU;
digest[3] = (h>>24) & 0xff;	digest[3] = (h>>24) & 0xffU;
}	}