openldap/include/lutil_hash.h
2014-01-25 05:21:25 -08:00

79 lines
1.6 KiB
C

/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2014 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#ifndef _LUTIL_HASH_H_
#define _LUTIL_HASH_H_
#include <lber_types.h>
LDAP_BEGIN_DECL
#define LUTIL_HASH_BYTES 4
#ifdef HAVE_LONG_LONG
typedef union lutil_HASHContext {
ber_uint_t hash;
unsigned long long hash64;
} lutil_HASH_CTX;
#else /* !HAVE_LONG_LONG */
typedef struct lutil_HASHContext {
ber_uint_t hash;
} lutil_HASH_CTX;
#endif /* HAVE_LONG_LONG */
LDAP_LUTIL_F( void )
lutil_HASHInit LDAP_P((
lutil_HASH_CTX *context));
LDAP_LUTIL_F( void )
lutil_HASHUpdate LDAP_P((
lutil_HASH_CTX *context,
unsigned char const *buf,
ber_len_t len));
LDAP_LUTIL_F( void )
lutil_HASHFinal LDAP_P((
unsigned char digest[LUTIL_HASH_BYTES],
lutil_HASH_CTX *context));
#ifdef HAVE_LONG_LONG
#define LUTIL_HASH64_BYTES 8
LDAP_LUTIL_F( void )
lutil_HASH64Init LDAP_P((
lutil_HASH_CTX *context));
LDAP_LUTIL_F( void )
lutil_HASH64Update LDAP_P((
lutil_HASH_CTX *context,
unsigned char const *buf,
ber_len_t len));
LDAP_LUTIL_F( void )
lutil_HASH64Final LDAP_P((
unsigned char digest[LUTIL_HASH64_BYTES],
lutil_HASH_CTX *context));
#endif /* HAVE_LONG_LONG */
LDAP_END_DECL
#endif /* _LUTIL_HASH_H_ */