1/*
2 * Copyright (C) 1998 by the FundsXpress, INC.
3 *
4 * All rights reserved.
5 *
6 * Export of this software from the United States of America may require
7 * a specific license from the United States Government.  It is the
8 * responsibility of any person or organization contemplating export to
9 * obtain such a license before exporting.
10 *
11 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
12 * distribute this software and its documentation for any purpose and
13 * without fee is hereby granted, provided that the above copyright
14 * notice appear in all copies and that both that copyright notice and
15 * this permission notice appear in supporting documentation, and that
16 * the name of FundsXpress. not be used in advertising or publicity pertaining
17 * to distribution of the software without specific, written prior
18 * permission.  FundsXpress makes no representations about the suitability of
19 * this software for any purpose.  It is provided "as is" without express
20 * or implied warranty.
21 *
22 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
24 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
25 */
26
27#include "k5-int.h"
28#include "cksumtypes.h"
29
30/*ARGSUSED*/
31krb5_error_code KRB5_CALLCONV
32krb5_c_checksum_length(krb5_context context, krb5_cksumtype cksumtype,
33		       size_t *length)
34{
35    int i;
36
37    for (i=0; i<krb5_cksumtypes_length; i++) {
38	if (krb5_cksumtypes_list[i].ctype == cksumtype)
39	    break;
40    }
41
42    if (i == krb5_cksumtypes_length)
43	return(KRB5_BAD_ENCTYPE);
44
45    if (krb5_cksumtypes_list[i].keyhash)
46	*length = krb5_cksumtypes_list[i].keyhash->hashsize;
47    else if (krb5_cksumtypes_list[i].trunc_size)
48	*length = krb5_cksumtypes_list[i].trunc_size;
49    else
50	*length = krb5_cksumtypes_list[i].hash->hashsize;
51
52    return(0);
53}
54
55