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1 /* $OpenLDAP$ */
2 /*
3  * Copyright 1998-2001 The OpenLDAP Foundation, Redwood City, California, USA
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted only as authorized by the OpenLDAP
8  * Public License.  A copy of this license is available at
9  * http://www.OpenLDAP.org/license.html or in file LICENSE in the
10  * top-level directory of the distribution.
11  */
12
13 /* This version is based on:
14  *      $OpenBSD: sha1.h,v 1.8 1997/07/15 01:54:23 millert Exp $        */
15
16 #ifndef _LUTIL_SHA1_H_
17 #define _LUTIL_SHA1_H_
18
19 #include <ldap_cdefs.h>
20 #include <ac/bytes.h>
21
22 LDAP_BEGIN_DECL
23
24 /*
25  * SHA-1 in C
26  * By Steve Reid <steve@edmweb.com>
27  */
28 #define LUTIL_SHA1_BYTES 20
29
30 /* This code assumes char are 8-bits and uint32 are 32-bits */
31 typedef ac_uint4 uint32;
32
33 typedef struct {
34     uint32 state[5];
35     uint32 count[2];  
36     unsigned char buffer[64];
37 } lutil_SHA1_CTX;
38   
39 LDAP_LUTIL_F( void )
40 lutil_SHA1Transform
41         LDAP_P((uint32 state[5], const unsigned char buffer[64]));
42
43 LDAP_LUTIL_F( void  )
44 lutil_SHA1Init
45         LDAP_P((lutil_SHA1_CTX *context));
46
47 LDAP_LUTIL_F( void  )
48 lutil_SHA1Update
49         LDAP_P((lutil_SHA1_CTX *context, const unsigned char *data, uint32 len));
50
51 LDAP_LUTIL_F( void  )
52 lutil_SHA1Final
53         LDAP_P((unsigned char digest[20], lutil_SHA1_CTX *context));
54
55 LDAP_LUTIL_F( char * )
56 lutil_SHA1End
57         LDAP_P((lutil_SHA1_CTX *, char *));
58
59 LDAP_LUTIL_F( char * )
60 lutil_SHA1File
61         LDAP_P((char *, char *));
62
63 LDAP_LUTIL_F( char * )
64 lutil_SHA1Data
65         LDAP_P((const unsigned char *, size_t, char *));
66
67 LDAP_END_DECL
68
69 #endif /* _LUTIL_SHA1_H_ */