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/*
* lib/crypto/t_nfold.c
*
* Copyright 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. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* 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.
*
*
* Program to test the correctness of nfold implementation.
*
* exit returns 0 ==> success
* -1 ==> error
*/
#include <stdio.h>
#include <string.h>
#include "k5-int.h"
unsigned char *nfold_in[] = {
"basch",
"eichin",
"sommerfeld",
"MASSACHVSETTS INSTITVTE OF TECHNOLOGY" };
unsigned char nfold_192[4][24] = {
{ 0x1a, 0xab, 0x6b, 0x42, 0x96, 0x4b, 0x98, 0xb2, 0x1f, 0x8c, 0xde, 0x2d,
0x24, 0x48, 0xba, 0x34, 0x55, 0xd7, 0x86, 0x2c, 0x97, 0x31, 0x64, 0x3f },
{ 0x65, 0x69, 0x63, 0x68, 0x69, 0x6e, 0x4b, 0x73, 0x2b, 0x4b, 0x1b, 0x43,
0xda, 0x1a, 0x5b, 0x99, 0x5a, 0x58, 0xd2, 0xc6, 0xd0, 0xd2, 0xdc, 0xca },
{ 0x2f, 0x7a, 0x98, 0x55, 0x7c, 0x6e, 0xe4, 0xab, 0xad, 0xf4, 0xe7, 0x11,
0x92, 0xdd, 0x44, 0x2b, 0xd4, 0xff, 0x53, 0x25, 0xa5, 0xde, 0xf7, 0x5c },
{ 0xdb, 0x3b, 0x0d, 0x8f, 0x0b, 0x06, 0x1e, 0x60, 0x32, 0x82, 0xb3, 0x08,
0xa5, 0x08, 0x41, 0x22, 0x9a, 0xd7, 0x98, 0xfa, 0xb9, 0x54, 0x0c, 0x1b }
};
int
main(argc, argv)
int argc;
char *argv[];
{
unsigned char cipher_text[64];
int i, j;
printf("N-fold\n");
for (i=0; i<sizeof(nfold_in)/sizeof(char *); i++) {
printf("\tInput:\t\"%.*s\"\n", strlen(nfold_in[i]), nfold_in[i]);
printf("\t192-Fold:\t");
krb5_nfold(strlen(nfold_in[i])*8, nfold_in[i], 24*8, cipher_text);
for (j=0; j<24; j++)
printf("%s%02x", (j&3) ? "" : " ", cipher_text[j]);
printf("\n");
if (memcmp(cipher_text, nfold_192[i], 24)) {
printf("verify: error in n-fold\n");
exit(-1);
};
}
printf("verify: N-fold is correct\n\n");
exit(0);
}
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