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      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
     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