external/bsd/openldap/dist/include/lutil_hash.h

   1 /* $OpenLDAP: pkg/ldap/include/lutil_hash.h,v 1.8.2.3 2008/02/11 23:26:40 kurt Exp $ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2008 The OpenLDAP Foundation.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted only as authorized by the OpenLDAP
   9  * Public License.
  10  *
  11  * A copy of this license is available in file LICENSE in the
  12  * top-level directory of the distribution or, alternatively, at
  13  * <http://www.OpenLDAP.org/license.html>.
  14  */
  15
  16 #ifndef _LUTIL_HASH_H_
  17 #define _LUTIL_HASH_H_
  18
  19 #include <lber_types.h>
  20
  21 LDAP_BEGIN_DECL
  22
  23 #define LUTIL_HASH_BYTES 4
  24
  25 struct lutil_HASHContext {
  26         ber_uint_t hash;
  27 };
  28
  29 LDAP_LUTIL_F( void )
  30 lutil_HASHInit LDAP_P((
  31         struct lutil_HASHContext *context));
  32
  33 LDAP_LUTIL_F( void )
  34 lutil_HASHUpdate LDAP_P((
  35         struct lutil_HASHContext *context,
  36         unsigned char const *buf,
  37         ber_len_t len));
  38
  39 LDAP_LUTIL_F( void )
  40 lutil_HASHFinal LDAP_P((
  41         unsigned char digest[LUTIL_HASH_BYTES],
  42         struct lutil_HASHContext *context));
  43
  44 typedef struct lutil_HASHContext lutil_HASH_CTX;
  45
  46 LDAP_END_DECL
  47
  48 #endif /* _LUTIL_HASH_H_ */