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/*
* lib/crypto/des/t_random.c
*
* Copyright 1996 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.
*
*
* Test a DES implementation against known inputs & outputs
*/
#include "k5-int.h"
#include "des_int.h"
#include <stdio.h>
#include "com_err.h"
extern krb5_cryptosystem_entry mit_des_cryptosystem_entry;
char *progname;
int nflag = 2;
int vflag;
int mflag;
int zflag;
int pid;
int mit_des_debug;
krb5_data kdata;
unsigned char key2[8] = { 0x08,0x19,0x2a,0x3b,0x4c,0x5d,0x6e,0x7f };
unsigned char zerokey[8] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };
void print_key(key)
krb5_keyblock *key;
{
int i;
printf("key type: %d, length = %d, contents =", key->enctype,
key->length);
for (i=0; i < key->length; i++) {
printf(" %02x", key->contents[i]);
}
printf("\n");
}
/*
* Can also add :
* plaintext = 0, key = 0, cipher = 0x8ca64de9c1b123a7 (or is it a 1?)
*/
void
main(argc,argv)
int argc;
char *argv[];
{
/* Local Declarations */
krb5_context context;
krb5_encrypt_block eblock;
krb5_keyblock keyblock, *randkey;
void *random_seed = 0;
#ifdef WINDOWS
/* Set screen window buffer to infinite size -- MS default is tiny. */
_wsetscreenbuf (fileno (stdout), _WINBUFINF);
#endif
/* do some initialisation */
krb5_init_context(&context);
krb5_use_enctype(context, &eblock, ENCTYPE_DES_CBC_CRC);
keyblock.enctype = ENCTYPE_DES_CBC_CRC;
keyblock.length = sizeof(mit_des_cblock);
keyblock.contents = key2;
printf("init_random: ");
print_key(&keyblock);
krb5_init_random_key(context, &eblock, &keyblock, &random_seed);
krb5_random_key(context, &eblock, random_seed, &randkey);
print_key(randkey);
krb5_free_keyblock(context, randkey);
krb5_random_key(context, &eblock, random_seed, &randkey);
print_key(randkey);
krb5_free_keyblock(context, randkey);
krb5_finish_random_key(context, &eblock, &random_seed);
keyblock.contents = zerokey;
printf("\n\ninit_random: ");
print_key(&keyblock);
krb5_init_random_key(context, &eblock, &keyblock, &random_seed);
krb5_random_key(context, &eblock, random_seed, &randkey);
print_key(randkey);
krb5_free_keyblock(context, randkey);
krb5_random_key(context, &eblock, random_seed, &randkey);
print_key(randkey);
krb5_free_keyblock(context, randkey);
krb5_finish_random_key(context, &eblock, &random_seed);
krb5_free_context(context);
}
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