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      1 /*	$NetBSD: lutil_sha1.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 /* This version is based on:
     19  *	$OpenBSD: sha1.h,v 1.8 1997/07/15 01:54:23 millert Exp $	*/
     20 
     21 #ifndef _LUTIL_SHA1_H_
     22 #define _LUTIL_SHA1_H_
     23 
     24 #include <ldap_cdefs.h>
     25 #include <ac/bytes.h>
     26 
     27 #ifdef AC_INT4_TYPE
     28 
     29 LDAP_BEGIN_DECL
     30 
     31 
     32 /*
     33  * SHA-1 in C
     34  * By Steve Reid <steve (at) edmweb.com>
     35  */
     36 #define LUTIL_SHA1_BYTES 20
     37 
     38 /* This code assumes char are 8-bits and uint32 are 32-bits */
     39 typedef ac_uint4 uint32;
     40 
     41 typedef struct {
     42     uint32 state[5];
     43     uint32 count[2];
     44     unsigned char buffer[64];
     45 } lutil_SHA1_CTX;
     46 
     47 LDAP_LUTIL_F( void )
     48 lutil_SHA1Transform
     49 	LDAP_P((uint32 state[5], const unsigned char buffer[64]));
     50 
     51 LDAP_LUTIL_F( void  )
     52 lutil_SHA1Init
     53 	LDAP_P((lutil_SHA1_CTX *context));
     54 
     55 LDAP_LUTIL_F( void  )
     56 lutil_SHA1Update
     57 	LDAP_P((lutil_SHA1_CTX *context, const unsigned char *data, uint32 len));
     58 
     59 LDAP_LUTIL_F( void  )
     60 lutil_SHA1Final
     61 	LDAP_P((unsigned char digest[20], lutil_SHA1_CTX *context));
     62 
     63 LDAP_LUTIL_F( char * )
     64 lutil_SHA1End
     65 	LDAP_P((lutil_SHA1_CTX *, char *));
     66 
     67 LDAP_LUTIL_F( char * )
     68 lutil_SHA1File
     69 	LDAP_P((char *, char *));
     70 
     71 LDAP_LUTIL_F( char * )
     72 lutil_SHA1Data
     73 	LDAP_P((const unsigned char *, size_t, char *));
     74 
     75 LDAP_END_DECL
     76 
     77 #endif /* AC_INT4_TYPE */
     78 
     79 #endif /* _LUTIL_SHA1_H_ */
     80