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/*
* Copyright (C) 1998 by the FundsXpress, INC.
*
* All rights reserved.
*
* Export of this software from the United States of America may require
* a specific license from the United States Government. It is the
* responsibility of any person or organization contemplating export to
* obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of FundsXpress. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. FundsXpress makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "k5-int.h"
#include "etypes.h"
#include "cksumtypes.h"
static int etype_match(krb5_enctype e1, krb5_enctype e2)
{
int i1, i2;
for (i1=0; i1<krb5_enctypes_length; i1++)
if (krb5_enctypes_list[i1].etype == e1)
break;
for (i2=0; i2<krb5_enctypes_length; i2++)
if (krb5_enctypes_list[i2].etype == e2)
break;
return((i1 < krb5_enctypes_length) &&
(i2 < krb5_enctypes_length) &&
(krb5_enctypes_list[i1].enc == krb5_enctypes_list[i2].enc));
}
krb5_error_code KRB5_CALLCONV
krb5_c_keyed_checksum_types(krb5_context context, krb5_enctype enctype,
unsigned int *count, krb5_cksumtype **cksumtypes)
{
unsigned int i, c;
c = 0;
for (i=0; i<krb5_cksumtypes_length; i++) {
if ((krb5_cksumtypes_list[i].keyhash &&
etype_match(krb5_cksumtypes_list[i].keyed_etype, enctype)) ||
(krb5_cksumtypes_list[i].flags & KRB5_CKSUMFLAG_DERIVE)) {
c++;
}
}
*count = c;
if ((*cksumtypes = (krb5_cksumtype *) malloc(c*sizeof(krb5_cksumtype)))
== NULL)
return(ENOMEM);
c = 0;
for (i=0; i<krb5_cksumtypes_length; i++) {
if ((krb5_cksumtypes_list[i].keyhash &&
etype_match(krb5_cksumtypes_list[i].keyed_etype, enctype)) ||
(krb5_cksumtypes_list[i].flags & KRB5_CKSUMFLAG_DERIVE)) {
(*cksumtypes)[c] = krb5_cksumtypes_list[i].ctype;
c++;
}
}
return(0);
}
void KRB5_CALLCONV
krb5_free_cksumtypes(krb5_context context, krb5_cksumtype *val)
{
if (val)
krb5_xfree(val);
return;
}
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