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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 1995 by Richard P. Basch. All Rights Reserved.
* Copyright 1995 by Lehman Brothers, 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 Richard P. Basch, Lehman Brothers and M.I.T. not be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. Richard P. Basch,
* Lehman Brothers and M.I.T. make no representations about the suitability
* of this software for any purpose. It is provided "as is" without
* express or implied warranty.
*/
#include "k5-int.h"
#include "des_int.h"
int
mit_des3_key_sched(mit_des3_cblock k, mit_des3_key_schedule schedule)
{
mit_des_make_key_sched(k[0],schedule[0]);
mit_des_make_key_sched(k[1],schedule[1]);
mit_des_make_key_sched(k[2],schedule[2]);
if (!mit_des_check_key_parity(k[0])) /* bad parity --> return -1 */
return(-1);
if (mit_des_is_weak_key(k[0]))
return(-2);
if (!mit_des_check_key_parity(k[1]))
return(-1);
if (mit_des_is_weak_key(k[1]))
return(-2);
if (!mit_des_check_key_parity(k[2]))
return(-1);
if (mit_des_is_weak_key(k[2]))
return(-2);
/* if key was good, return 0 */
return 0;
}
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