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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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Packit Bot |
805b76 |
/* lib/crypto/builtin/des/t_verify.c */
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805b76 |
/*
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Packit Bot |
805b76 |
* Copyright 1988, 1990 by the Massachusetts Institute of Technology.
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Packit Bot |
805b76 |
* All Rights Reserved.
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Packit Bot |
805b76 |
*
|
|
Packit Bot |
805b76 |
* Export of this software from the United States of America may
|
|
Packit Bot |
805b76 |
* require a specific license from the United States Government.
|
|
Packit Bot |
805b76 |
* It is the responsibility of any person or organization contemplating
|
|
Packit Bot |
805b76 |
* export to obtain such a license before exporting.
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Packit Bot |
805b76 |
*
|
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Packit Bot |
805b76 |
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
|
|
Packit Bot |
805b76 |
* distribute this software and its documentation for any purpose and
|
|
Packit Bot |
805b76 |
* without fee is hereby granted, provided that the above copyright
|
|
Packit Bot |
805b76 |
* notice appear in all copies and that both that copyright notice and
|
|
Packit Bot |
805b76 |
* this permission notice appear in supporting documentation, and that
|
|
Packit Bot |
805b76 |
* the name of M.I.T. not be used in advertising or publicity pertaining
|
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Packit Bot |
805b76 |
* to distribution of the software without specific, written prior
|
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Packit Bot |
805b76 |
* permission. Furthermore if you modify this software you must label
|
|
Packit Bot |
805b76 |
* your software as modified software and not distribute it in such a
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|
Packit Bot |
805b76 |
* fashion that it might be confused with the original M.I.T. software.
|
|
Packit Bot |
805b76 |
* M.I.T. makes no representations about the suitability of
|
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Packit Bot |
805b76 |
* this software for any purpose. It is provided "as is" without express
|
|
Packit Bot |
805b76 |
* or implied warranty.
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Packit Bot |
805b76 |
*/
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Packit Bot |
805b76 |
/*
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805b76 |
* Copyright (C) 1998 by the FundsXpress, INC.
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805b76 |
*
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805b76 |
* All rights reserved.
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Packit Bot |
805b76 |
*
|
|
Packit Bot |
805b76 |
* Export of this software from the United States of America may require
|
|
Packit Bot |
805b76 |
* a specific license from the United States Government. It is the
|
|
Packit Bot |
805b76 |
* responsibility of any person or organization contemplating export to
|
|
Packit Bot |
805b76 |
* obtain such a license before exporting.
|
|
Packit Bot |
805b76 |
*
|
|
Packit Bot |
805b76 |
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
|
|
Packit Bot |
805b76 |
* distribute this software and its documentation for any purpose and
|
|
Packit Bot |
805b76 |
* without fee is hereby granted, provided that the above copyright
|
|
Packit Bot |
805b76 |
* notice appear in all copies and that both that copyright notice and
|
|
Packit Bot |
805b76 |
* this permission notice appear in supporting documentation, and that
|
|
Packit Bot |
805b76 |
* the name of FundsXpress. not be used in advertising or publicity pertaining
|
|
Packit Bot |
805b76 |
* to distribution of the software without specific, written prior
|
|
Packit Bot |
805b76 |
* permission. FundsXpress makes no representations about the suitability of
|
|
Packit Bot |
805b76 |
* this software for any purpose. It is provided "as is" without express
|
|
Packit Bot |
805b76 |
* or implied warranty.
|
|
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805b76 |
*
|
|
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805b76 |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
|
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805b76 |
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
|
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805b76 |
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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|
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805b76 |
*/
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805b76 |
|
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Packit Bot |
805b76 |
/*
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805b76 |
*
|
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805b76 |
* Program to test the correctness of the DES library
|
|
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805b76 |
* implementation.
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*
|
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* exit returns 0 ==> success
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|
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* -1 ==> error
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*/
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805b76 |
|
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#include "k5-int.h"
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#include "des_int.h"
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#include <stdio.h>
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#include "com_err.h"
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805b76 |
|
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static void do_encrypt(unsigned char *, unsigned char *);
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static void do_decrypt(unsigned char *, unsigned char *);
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805b76 |
|
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805b76 |
char *progname;
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805b76 |
int nflag = 2;
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805b76 |
int vflag;
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805b76 |
int mflag;
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805b76 |
int zflag;
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int pid;
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int mit_des_debug;
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805b76 |
|
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unsigned char cipher_text[64];
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unsigned char clear_text[64] = "Now is the time for all " ;
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805b76 |
unsigned char clear_text2[64] = "7654321 Now is the time for ";
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unsigned char clear_text3[64] = {2,0,0,0, 1,0,0,0};
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805b76 |
unsigned char output[64];
|
|
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805b76 |
unsigned char zero_text[8] = {0x0,0,0,0,0,0,0,0};
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|
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805b76 |
unsigned char msb_text[8] = {0x0,0,0,0, 0,0,0,0x40}; /* to ANSI MSB */
|
|
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805b76 |
unsigned char *input;
|
|
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805b76 |
|
|
Packit Bot |
805b76 |
/* 0x0123456789abcdef */
|
|
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805b76 |
unsigned char default_key[8] = {
|
|
Packit Bot |
805b76 |
0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef
|
|
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805b76 |
};
|
|
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805b76 |
unsigned char key2[8] = { 0x08,0x19,0x2a,0x3b,0x4c,0x5d,0x6e,0x7f };
|
|
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805b76 |
unsigned char key3[8] = { 0x80,1,1,1,1,1,1,1 };
|
|
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805b76 |
mit_des_cblock s_key;
|
|
Packit Bot |
805b76 |
unsigned char default_ivec[8] = {
|
|
Packit Bot |
805b76 |
0x12,0x34,0x56,0x78,0x90,0xab,0xcd,0xef
|
|
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805b76 |
};
|
|
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805b76 |
unsigned char *ivec;
|
|
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805b76 |
unsigned char zero_key[8] = {1,1,1,1,1,1,1,1}; /* just parity bits */
|
|
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805b76 |
|
|
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805b76 |
unsigned char cipher1[8] = {
|
|
Packit Bot |
805b76 |
0x25,0xdd,0xac,0x3e,0x96,0x17,0x64,0x67
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|
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805b76 |
};
|
|
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805b76 |
unsigned char cipher2[8] = {
|
|
Packit Bot |
805b76 |
0x3f,0xa4,0x0e,0x8a,0x98,0x4d,0x48,0x15
|
|
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805b76 |
};
|
|
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805b76 |
unsigned char cipher3[64] = {
|
|
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805b76 |
0xe5,0xc7,0xcd,0xde,0x87,0x2b,0xf2,0x7c,
|
|
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805b76 |
0x43,0xe9,0x34,0x00,0x8c,0x38,0x9c,0x0f,
|
|
Packit Bot |
805b76 |
0x68,0x37,0x88,0x49,0x9a,0x7c,0x05,0xf6
|
|
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805b76 |
};
|
|
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805b76 |
unsigned char checksum[8] = {
|
|
Packit Bot |
805b76 |
0x58,0xd2,0xe7,0x7e,0x86,0x06,0x27,0x33
|
|
Packit Bot |
805b76 |
};
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
unsigned char zresult[8] = {
|
|
Packit Bot |
805b76 |
0x8c, 0xa6, 0x4d, 0xe9, 0xc1, 0xb1, 0x23, 0xa7
|
|
Packit Bot |
805b76 |
};
|
|
Packit Bot |
805b76 |
|
|
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805b76 |
unsigned char mresult[8] = {
|
|
Packit Bot |
805b76 |
0xa3, 0x80, 0xe0, 0x2a, 0x6b, 0xe5, 0x46, 0x96
|
|
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805b76 |
};
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
/*
|
|
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805b76 |
* Can also add :
|
|
Packit Bot |
805b76 |
* plaintext = 0, key = 0, cipher = 0x8ca64de9c1b123a7 (or is it a 1?)
|
|
Packit Bot |
805b76 |
*/
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
mit_des_key_schedule sched;
|
|
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805b76 |
|
|
Packit Bot |
805b76 |
int
|
|
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805b76 |
main(argc,argv)
|
|
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805b76 |
int argc;
|
|
Packit Bot |
805b76 |
char *argv[];
|
|
Packit Bot |
805b76 |
{
|
|
Packit Bot |
805b76 |
/* Local Declarations */
|
|
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805b76 |
size_t in_length;
|
|
Packit Bot |
805b76 |
int retval;
|
|
Packit Bot |
805b76 |
int i, j;
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
#ifdef WINDOWS
|
|
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805b76 |
/* Set screen window buffer to infinite size -- MS default is tiny. */
|
|
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805b76 |
_wsetscreenbuf (fileno (stdout), _WINBUFINF);
|
|
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805b76 |
#endif
|
|
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805b76 |
progname=argv[0]; /* salt away invoking program */
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
while (--argc > 0 && (*++argv)[0] == '-')
|
|
Packit Bot |
805b76 |
for (i=1; argv[0][i] != '\0'; i++) {
|
|
Packit Bot |
805b76 |
switch (argv[0][i]) {
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
/* debug flag */
|
|
Packit Bot |
805b76 |
case 'd':
|
|
Packit Bot |
805b76 |
mit_des_debug=3;
|
|
Packit Bot |
805b76 |
continue;
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
case 'z':
|
|
Packit Bot |
805b76 |
zflag = 1;
|
|
Packit Bot |
805b76 |
continue;
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
case 'm':
|
|
Packit Bot |
805b76 |
mflag = 1;
|
|
Packit Bot |
805b76 |
continue;
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
default:
|
|
Packit Bot |
805b76 |
printf("%s: illegal flag \"%c\" ",
|
|
Packit Bot |
805b76 |
progname,argv[0][i]);
|
|
Packit Bot |
805b76 |
exit(1);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
};
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
if (argc) {
|
|
Packit Bot |
805b76 |
fprintf(stderr, "Usage: %s [-dmz]\n", progname);
|
|
Packit Bot |
805b76 |
exit(1);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
/* do some initialisation */
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
/* use known input and key */
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
/* ECB zero text zero key */
|
|
Packit Bot |
805b76 |
if (zflag) {
|
|
Packit Bot |
805b76 |
input = zero_text;
|
|
Packit Bot |
805b76 |
mit_des_key_sched(zero_key, sched);
|
|
Packit Bot |
805b76 |
printf("plaintext = key = 0, cipher = 0x8ca64de9c1b123a7\n");
|
|
Packit Bot |
805b76 |
do_encrypt(input,cipher_text);
|
|
Packit Bot |
805b76 |
printf("\tcipher = (low to high bytes)\n\t\t");
|
|
Packit Bot |
805b76 |
for (j = 0; j<=7; j++)
|
|
Packit Bot |
805b76 |
printf("%02x ",cipher_text[j]);
|
|
Packit Bot |
805b76 |
printf("\n");
|
|
Packit Bot |
805b76 |
do_decrypt(output,cipher_text);
|
|
Packit Bot |
805b76 |
if ( memcmp((char *)cipher_text, (char *)zresult, 8) ) {
|
|
Packit Bot |
805b76 |
printf("verify: error in zero key test\n");
|
|
Packit Bot |
805b76 |
exit(-1);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
exit(0);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
if (mflag) {
|
|
Packit Bot |
805b76 |
input = msb_text;
|
|
Packit Bot |
805b76 |
mit_des_key_sched(key3, sched);
|
|
Packit Bot |
805b76 |
printf("plaintext = 0x00 00 00 00 00 00 00 40, ");
|
|
Packit Bot |
805b76 |
printf("key = 0x80 01 01 01 01 01 01 01\n");
|
|
Packit Bot |
805b76 |
printf(" cipher = 0xa380e02a6be54696\n");
|
|
Packit Bot |
805b76 |
do_encrypt(input,cipher_text);
|
|
Packit Bot |
805b76 |
printf("\tcipher = (low to high bytes)\n\t\t");
|
|
Packit Bot |
805b76 |
for (j = 0; j<=7; j++) {
|
|
Packit Bot |
805b76 |
printf("%02x ",cipher_text[j]);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
printf("\n");
|
|
Packit Bot |
805b76 |
do_decrypt(output,cipher_text);
|
|
Packit Bot |
805b76 |
if ( memcmp((char *)cipher_text, (char *)mresult, 8) ) {
|
|
Packit Bot |
805b76 |
printf("verify: error in msb test\n");
|
|
Packit Bot |
805b76 |
exit(-1);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
exit(0);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
/* ECB mode Davies and Price */
|
|
Packit Bot |
805b76 |
{
|
|
Packit Bot |
805b76 |
input = zero_text;
|
|
Packit Bot |
805b76 |
mit_des_key_sched(key2, sched);
|
|
Packit Bot |
805b76 |
printf("Examples per FIPS publication 81, keys ivs and cipher\n");
|
|
Packit Bot |
805b76 |
printf("in hex. These are the correct answers, see below for\n");
|
|
Packit Bot |
805b76 |
printf("the actual answers.\n\n");
|
|
Packit Bot |
805b76 |
printf("Examples per Davies and Price.\n\n");
|
|
Packit Bot |
805b76 |
printf("EXAMPLE ECB\tkey = 08192a3b4c5d6e7f\n");
|
|
Packit Bot |
805b76 |
printf("\tclear = 0\n");
|
|
Packit Bot |
805b76 |
printf("\tcipher = 25 dd ac 3e 96 17 64 67\n");
|
|
Packit Bot |
805b76 |
printf("ACTUAL ECB\n");
|
|
Packit Bot |
805b76 |
printf("\tclear \"%s\"\n", input);
|
|
Packit Bot |
805b76 |
do_encrypt(input,cipher_text);
|
|
Packit Bot |
805b76 |
printf("\tcipher = (low to high bytes)\n\t\t");
|
|
Packit Bot |
805b76 |
for (j = 0; j<=7; j++)
|
|
Packit Bot |
805b76 |
printf("%02x ",cipher_text[j]);
|
|
Packit Bot |
805b76 |
printf("\n\n");
|
|
Packit Bot |
805b76 |
do_decrypt(output,cipher_text);
|
|
Packit Bot |
805b76 |
if ( memcmp((char *)cipher_text, (char *)cipher1, 8) ) {
|
|
Packit Bot |
805b76 |
printf("verify: error in ECB encryption\n");
|
|
Packit Bot |
805b76 |
exit(-1);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
else
|
|
Packit Bot |
805b76 |
printf("verify: ECB encryption is correct\n\n");
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
/* ECB mode */
|
|
Packit Bot |
805b76 |
{
|
|
Packit Bot |
805b76 |
mit_des_key_sched(default_key, sched);
|
|
Packit Bot |
805b76 |
input = clear_text;
|
|
Packit Bot |
805b76 |
ivec = default_ivec;
|
|
Packit Bot |
805b76 |
printf("EXAMPLE ECB\tkey = 0123456789abcdef\n");
|
|
Packit Bot |
805b76 |
printf("\tclear = \"Now is the time for all \"\n");
|
|
Packit Bot |
805b76 |
printf("\tcipher = 3f a4 0e 8a 98 4d 48 15 ...\n");
|
|
Packit Bot |
805b76 |
printf("ACTUAL ECB\n\tclear \"%s\"",input);
|
|
Packit Bot |
805b76 |
do_encrypt(input,cipher_text);
|
|
Packit Bot |
805b76 |
printf("\n\tcipher = (low to high bytes)\n\t\t");
|
|
Packit Bot |
805b76 |
for (j = 0; j<=7; j++) {
|
|
Packit Bot |
805b76 |
printf("%02x ",cipher_text[j]);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
printf("\n\n");
|
|
Packit Bot |
805b76 |
do_decrypt(output,cipher_text);
|
|
Packit Bot |
805b76 |
if ( memcmp((char *)cipher_text, (char *)cipher2, 8) ) {
|
|
Packit Bot |
805b76 |
printf("verify: error in ECB encryption\n");
|
|
Packit Bot |
805b76 |
exit(-1);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
else
|
|
Packit Bot |
805b76 |
printf("verify: ECB encryption is correct\n\n");
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
/* CBC mode */
|
|
Packit Bot |
805b76 |
printf("EXAMPLE CBC\tkey = 0123456789abcdef");
|
|
Packit Bot |
805b76 |
printf("\tiv = 1234567890abcdef\n");
|
|
Packit Bot |
805b76 |
printf("\tclear = \"Now is the time for all \"\n");
|
|
Packit Bot |
805b76 |
printf("\tcipher =\te5 c7 cd de 87 2b f2 7c\n");
|
|
Packit Bot |
805b76 |
printf("\t\t\t43 e9 34 00 8c 38 9c 0f\n");
|
|
Packit Bot |
805b76 |
printf("\t\t\t68 37 88 49 9a 7c 05 f6\n");
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
printf("ACTUAL CBC\n\tclear \"%s\"\n",input);
|
|
Packit Bot |
805b76 |
in_length = strlen((char *)input);
|
|
Packit Bot |
805b76 |
if ((retval = mit_des_cbc_encrypt((const mit_des_cblock *) input,
|
|
Packit Bot |
805b76 |
(mit_des_cblock *) cipher_text,
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Packit Bot |
805b76 |
(size_t) in_length,
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Packit Bot |
805b76 |
sched,
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Packit Bot |
805b76 |
ivec,
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Packit Bot |
805b76 |
MIT_DES_ENCRYPT))) {
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Packit Bot |
805b76 |
com_err("des verify", retval, "can't encrypt");
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Packit Bot |
805b76 |
exit(-1);
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Packit Bot |
805b76 |
}
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Packit Bot |
805b76 |
printf("\tciphertext = (low to high bytes)\n");
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Packit Bot |
805b76 |
for (i = 0; i <= 2; i++) {
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Packit Bot |
805b76 |
printf("\t\t");
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Packit Bot |
805b76 |
for (j = 0; j <= 7; j++) {
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Packit Bot |
805b76 |
printf("%02x ",cipher_text[i*8+j]);
|
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Packit Bot |
805b76 |
}
|
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Packit Bot |
805b76 |
printf("\n");
|
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Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
if ((retval = mit_des_cbc_encrypt((const mit_des_cblock *) cipher_text,
|
|
Packit Bot |
805b76 |
(mit_des_cblock *) clear_text,
|
|
Packit Bot |
805b76 |
(size_t) in_length,
|
|
Packit Bot |
805b76 |
sched,
|
|
Packit Bot |
805b76 |
ivec,
|
|
Packit Bot |
805b76 |
MIT_DES_DECRYPT))) {
|
|
Packit Bot |
805b76 |
com_err("des verify", retval, "can't decrypt");
|
|
Packit Bot |
805b76 |
exit(-1);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
printf("\tdecrypted clear_text = \"%s\"\n",clear_text);
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
if ( memcmp((char *)cipher_text, (char *)cipher3, in_length) ) {
|
|
Packit Bot |
805b76 |
printf("verify: error in CBC encryption\n");
|
|
Packit Bot |
805b76 |
exit(-1);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
else
|
|
Packit Bot |
805b76 |
printf("verify: CBC encryption is correct\n\n");
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
printf("EXAMPLE CBC checksum");
|
|
Packit Bot |
805b76 |
printf("\tkey = 0123456789abcdef\tiv = 1234567890abcdef\n");
|
|
Packit Bot |
805b76 |
printf("\tclear =\t\t\"7654321 Now is the time for \"\n");
|
|
Packit Bot |
805b76 |
printf("\tchecksum\t58 d2 e7 7e 86 06 27 33, ");
|
|
Packit Bot |
805b76 |
printf("or some part thereof\n");
|
|
Packit Bot |
805b76 |
input = clear_text2;
|
|
Packit Bot |
805b76 |
mit_des_cbc_cksum(input,cipher_text, strlen((char *)input),
|
|
Packit Bot |
805b76 |
sched,ivec);
|
|
Packit Bot |
805b76 |
printf("ACTUAL CBC checksum\n");
|
|
Packit Bot |
805b76 |
printf("\t\tencrypted cksum = (low to high bytes)\n\t\t");
|
|
Packit Bot |
805b76 |
for (j = 0; j<=7; j++)
|
|
Packit Bot |
805b76 |
printf("%02x ",cipher_text[j]);
|
|
Packit Bot |
805b76 |
printf("\n\n");
|
|
Packit Bot |
805b76 |
if ( memcmp((char *)cipher_text, (char *)checksum, 8) ) {
|
|
Packit Bot |
805b76 |
printf("verify: error in CBC cheksum\n");
|
|
Packit Bot |
805b76 |
exit(-1);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
else
|
|
Packit Bot |
805b76 |
printf("verify: CBC checksum is correct\n\n");
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
exit(0);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
static void
|
|
Packit Bot |
805b76 |
do_encrypt(in,out)
|
|
Packit Bot |
805b76 |
unsigned char *in;
|
|
Packit Bot |
805b76 |
unsigned char *out;
|
|
Packit Bot |
805b76 |
{
|
|
Packit Bot |
805b76 |
int i, j;
|
|
Packit Bot |
805b76 |
for (i =1; i<=nflag; i++) {
|
|
Packit Bot |
805b76 |
mit_des_cbc_encrypt((const mit_des_cblock *)in,
|
|
Packit Bot |
805b76 |
(mit_des_cblock *)out,
|
|
Packit Bot |
805b76 |
8,
|
|
Packit Bot |
805b76 |
sched,
|
|
Packit Bot |
805b76 |
zero_text,
|
|
Packit Bot |
805b76 |
MIT_DES_ENCRYPT);
|
|
Packit Bot |
805b76 |
if (mit_des_debug) {
|
|
Packit Bot |
805b76 |
printf("\nclear %s\n",in);
|
|
Packit Bot |
805b76 |
for (j = 0; j<=7; j++)
|
|
Packit Bot |
805b76 |
printf("%02X ",in[j] & 0xff);
|
|
Packit Bot |
805b76 |
printf("\tcipher ");
|
|
Packit Bot |
805b76 |
for (j = 0; j<=7; j++)
|
|
Packit Bot |
805b76 |
printf("%02X ",out[j] & 0xff);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
static void
|
|
Packit Bot |
805b76 |
do_decrypt(in,out)
|
|
Packit Bot |
805b76 |
unsigned char *out;
|
|
Packit Bot |
805b76 |
unsigned char *in;
|
|
Packit Bot |
805b76 |
/* try to invert it */
|
|
Packit Bot |
805b76 |
{
|
|
Packit Bot |
805b76 |
int i, j;
|
|
Packit Bot |
805b76 |
for (i =1; i<=nflag; i++) {
|
|
Packit Bot |
805b76 |
mit_des_cbc_encrypt((const mit_des_cblock *)out,
|
|
Packit Bot |
805b76 |
(mit_des_cblock *)in,
|
|
Packit Bot |
805b76 |
8,
|
|
Packit Bot |
805b76 |
sched,
|
|
Packit Bot |
805b76 |
zero_text,
|
|
Packit Bot |
805b76 |
MIT_DES_DECRYPT);
|
|
Packit Bot |
805b76 |
if (mit_des_debug) {
|
|
Packit Bot |
805b76 |
printf("clear %s\n",in);
|
|
Packit Bot |
805b76 |
for (j = 0; j<=7; j++)
|
|
Packit Bot |
805b76 |
printf("%02X ",in[j] & 0xff);
|
|
Packit Bot |
805b76 |
printf("\tcipher ");
|
|
Packit Bot |
805b76 |
for (j = 0; j<=7; j++)
|
|
Packit Bot |
805b76 |
printf("%02X ",out[j] & 0xff);
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
}
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
/*
|
|
Packit Bot |
805b76 |
* Fake out the DES library, for the purposes of testing.
|
|
Packit Bot |
805b76 |
*/
|
|
Packit Bot |
805b76 |
|
|
Packit Bot |
805b76 |
int
|
|
Packit Bot |
805b76 |
mit_des_is_weak_key(key)
|
|
Packit Bot |
805b76 |
mit_des_cblock key;
|
|
Packit Bot |
805b76 |
{
|
|
Packit Bot |
805b76 |
return 0; /* fake it out for testing */
|
|
Packit Bot |
805b76 |
}
|