external/bsd/openldap/dist/include/lutil_md5.h

   1 /* $OpenLDAP: pkg/ldap/include/lutil_md5.h,v 1.24.2.3 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_MD5_H_
  17 #define _LUTIL_MD5_H_
  18
  19 #include <lber_types.h>
  20
  21 LDAP_BEGIN_DECL
  22
  23 /* Unlike previous versions of this code, ber_int_t need not be exactly
  24    32 bits, merely 32 bits or more.  Choosing a data type which is 32
  25    bits instead of 64 is not important; speed is considerably more
  26    important.  ANSI guarantees that "unsigned long" will be big enough,
  27    and always using it seems to have few disadvantages.  */
  28
  29 #define LUTIL_MD5_BYTES 16
  30
  31 struct lutil_MD5Context {
  32         ber_uint_t buf[4];
  33         ber_uint_t bits[2];
  34         unsigned char in[64];
  35 };
  36
  37 LDAP_LUTIL_F( void )
  38 lutil_MD5Init LDAP_P((
  39         struct lutil_MD5Context *context));
  40
  41 LDAP_LUTIL_F( void )
  42 lutil_MD5Update LDAP_P((
  43         struct lutil_MD5Context *context,
  44         unsigned char const *buf,
  45         ber_len_t len));
  46
  47 LDAP_LUTIL_F( void )
  48 lutil_MD5Final LDAP_P((
  49         unsigned char digest[16],
  50         struct lutil_MD5Context *context));
  51
  52 LDAP_LUTIL_F( void )
  53 lutil_MD5Transform LDAP_P((
  54         ber_uint_t buf[4],
  55         const unsigned char in[64]));
  56
  57 /*
  58  * This is needed to make RSAREF happy on some MS-DOS compilers.
  59  */
  60 typedef struct lutil_MD5Context lutil_MD5_CTX;
  61
  62 LDAP_END_DECL
  63
  64 #endif /* _LUTIL_MD5_H_ */