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*/
31 krb5_error_code KRB5_CALLCONV
krb5_c_checksum_length(krb5_context context,krb5_cksumtype cksumtype,size_t * length)32 krb5_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