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      1 /*	$NetBSD: lutil_md5.h,v 1.4 2025/09/05 21:16:19 christos Exp $	*/
      2 
      3 /* $OpenLDAP$ */
      4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
      5  *
      6  * Copyright 1998-2024 The OpenLDAP Foundation.
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted only as authorized by the OpenLDAP
     11  * Public License.
     12  *
     13  * A copy of this license is available in file LICENSE in the
     14  * top-level directory of the distribution or, alternatively, at
     15  * <http://www.OpenLDAP.org/license.html>.
     16  */
     17 
     18 #ifndef _LUTIL_MD5_H_
     19 #define _LUTIL_MD5_H_
     20 
     21 #include <lber_types.h>
     22 
     23 LDAP_BEGIN_DECL
     24 
     25 /* Unlike previous versions of this code, ber_int_t need not be exactly
     26    32 bits, merely 32 bits or more.  Choosing a data type which is 32
     27    bits instead of 64 is not important; speed is considerably more
     28    important.  ANSI guarantees that "unsigned long" will be big enough,
     29    and always using it seems to have few disadvantages.  */
     30 
     31 #define LUTIL_MD5_BYTES 16
     32 
     33 struct lutil_MD5Context {
     34 	ber_uint_t buf[4];
     35 	ber_uint_t bits[2];
     36 	unsigned char in[64];
     37 };
     38 
     39 LDAP_LUTIL_F( void )
     40 lutil_MD5Init LDAP_P((
     41 	struct lutil_MD5Context *context));
     42 
     43 LDAP_LUTIL_F( void )
     44 lutil_MD5Update LDAP_P((
     45 	struct lutil_MD5Context *context,
     46 	unsigned char const *buf,
     47 	ber_len_t len));
     48 
     49 LDAP_LUTIL_F( void )
     50 lutil_MD5Final LDAP_P((
     51 	unsigned char digest[16],
     52 	struct lutil_MD5Context *context));
     53 
     54 LDAP_LUTIL_F( void )
     55 lutil_MD5Transform LDAP_P((
     56 	ber_uint_t buf[4],
     57 	const unsigned char in[64]));
     58 
     59 /*
     60  * This is needed to make RSAREF happy on some MS-DOS compilers.
     61  */
     62 typedef struct lutil_MD5Context lutil_MD5_CTX;
     63 
     64 LDAP_END_DECL
     65 
     66 #endif /* _LUTIL_MD5_H_ */
     67