1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* lib/crypto/des/make_s.c
*
* Copyright 1985, 1988, 1990 by the Massachusetts Institute of Technology.
* 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 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.
*
*/
#include <krb5/krb5.h>
#include <stdio.h>
#include "des_int.h"
#include "s_table.h"
void gen(stream)
FILE *stream;
{
/* clear the output */
fprintf(stream,"\n\tL2 = 0; R2 = 0;");
#ifdef notdef
/* P permutes 32 bit input R1 into 32 bit output R2 */
fprintf(stream,"\n/* P operations */\n/* first left to left */\n");
/* first list mapping from left to left */
for (i = 0; i <=31; i++)
if (S[i] < 32)
fprintf(stream,
"\n\tif (R1 & (1<<%d)) R2 |= 1<<%d;",S[i],i);
#endif
fprintf(stream,"\n");
}
|
