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/*
* $Source$
* $Author$
*
* Copyright 1985, 1988, 1990 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America is assumed
* to 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 M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*/
#if !defined(lint) && !defined(SABER)
static char rcsid_make_st_c[] =
"$Id$";
#endif /* !lint & !SABER */
#include <krb5/krb5.h>
#include <stdio.h>
#include "des_int.h"
#include "tables.h"
char temp[8][64];
int mit_des_debug;
void gen(stream)
FILE *stream;
{
register unsigned long i,j,k,l,m,n;
/* rearrange the S table entries, and adjust for host bit order */
fprintf(stream, "static unsigned char const S_adj[8][64] = {");
fprintf(stream, " /* adjusted */\n");
for (i = 0; i<=7 ; i++) {
for (j = 0; j <= 63; j++) {
/*
* figure out which one to put in the new S[i][j]
*
* start by assuming the value of the input bits is "j" in
* host order, then figure out what it means in standard
* form.
*/
k = swap_six_bits_to_ansi(j);
/* figure out the index for k */
l = (((k >> 5) & 01) << 5)
+ ((k & 01) <<4) + ((k >> 1) & 0xf);
m = S[i][l];
/* restore in host order */
n = swap_four_bits_to_ansi(m);
if (mit_des_debug)
fprintf(stderr,
"i = %d, j = %d, k = %d, l = %d, m = %d, n = %d\n",
i,j,k,l,m,n);
temp[i][j] = n;
}
}
for (i = 0; i<=7; i++) {
fprintf(stream,"\n");
k =0;
for (j = 0; j<= 3; j++) {
fprintf(stream,"\n");
for (m = 0; m <= 15; m++) {
fprintf(stream,"%2d",temp[i][k]);
if ((k++ != 63) || (i !=7)) {
fprintf(stream,", ");
}
}
}
}
fprintf(stream,"\n};\n");
}
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