1 /*
2  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 #pragma ident	"%Z%%M%	%I%	%E% SMI"
7 
8 /*
9  * Copyright (C) 1998 by the FundsXpress, INC.
10  *
11  * All rights reserved.
12  *
13  * Export of this software from the United States of America may require
14  * a specific license from the United States Government.  It is the
15  * responsibility of any person or organization contemplating export to
16  * obtain such a license before exporting.
17  *
18  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
19  * distribute this software and its documentation for any purpose and
20  * without fee is hereby granted, provided that the above copyright
21  * notice appear in all copies and that both that copyright notice and
22  * this permission notice appear in supporting documentation, and that
23  * the name of FundsXpress. not be used in advertising or publicity pertaining
24  * to distribution of the software without specific, written prior
25  * permission.  FundsXpress makes no representations about the suitability of
26  * this software for any purpose.  It is provided "as is" without express
27  * or implied warranty.
28  *
29  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
30  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
31  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
32  */
33 
34 #include <k5-int.h>
35 #include <cksumtypes.h>
36 
37 krb5_boolean KRB5_CALLCONV
38 krb5_c_is_keyed_cksum(krb5_cksumtype ctype)
39 {
40     int i;
41 
42     for (i=0; i<krb5_cksumtypes_length; i++) {
43 	if (krb5_cksumtypes_list[i].ctype == ctype) {
44 	    if (krb5_cksumtypes_list[i].keyhash ||
45 		(krb5_cksumtypes_list[i].flags &
46 		 KRB5_CKSUMFLAG_DERIVE))
47 		return(1);
48 	    else
49 		return(0);
50 	}
51     }
52 
53     /* ick, but it's better than coredumping, which is what the
54        old code would have done */
55     return(0);
56 }
57