xref: /titanic_52/usr/src/lib/gss_mechs/mech_krb5/crypto/coll_proof_cksum.c (revision 159d09a20817016f09b3ea28d1bdada4a336bb91)
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 krb5_boolean KRB5_CALLCONV
31 krb5_c_is_coll_proof_cksum(krb5_cksumtype ctype)
32 {
33     int i;
34 
35     for (i=0; i<krb5_cksumtypes_length; i++) {
36 	if (krb5_cksumtypes_list[i].ctype == ctype)
37 	    return((krb5_cksumtypes_list[i].flags &
38 		    KRB5_CKSUMFLAG_NOT_COLL_PROOF)?0:1);
39     }
40 
41     /* ick, but it's better than coredumping, which is what the
42        old code would have done */
43     return(0);
44 }
45 
46 krb5_boolean KRB5_CALLCONV
47 is_coll_proof_cksum(krb5_cksumtype ctype)
48 {
49     return krb5_c_is_coll_proof_cksum (ctype);
50 }
51