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/*
* lib/crypto/vectors.c
*
* Copyright 2001, 2007 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.
*
*
* Test vectors for crypto code, matching data submitted for inclusion
* with RFC1510bis.
*
* N.B.: Doesn't compile -- this file uses some routines internal to our
* crypto library which are declared "static" and thus aren't accessible
* without modifying the other sources.
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "hash_provider.h"
#define ASIZE(ARRAY) (sizeof(ARRAY)/sizeof(ARRAY[0]))
const char *whoami;
static void printhex (size_t len, const char *p)
{
while (len--)
printf ("%02x", 0xff & *p++);
}
static void printstringhex (const char *p) { printhex (strlen (p), p); }
static void printdata (krb5_data *d) { printhex (d->length, d->data); }
static void printkey (krb5_keyblock *k) { printhex (k->length, k->contents); }
#define JURISIC "Juri\305\241i\304\207" /* hi Miro */
#define ESZETT "\303\237"
#define GCLEF "\360\235\204\236" /* outside BMP, woo hoo! */
static void
keyToData (krb5_keyblock *k, krb5_data *d)
{
d->length = k->length;
d->data = k->contents;
}
void check_error (int r, int line) {
if (r != 0) {
fprintf (stderr, "%s:%d: %s\n", __FILE__, line,
error_message (r));
exit (1);
}
}
#define CHECK check_error(r, __LINE__)
extern struct krb5_enc_provider krb5int_enc_des3;
struct krb5_enc_provider *enc = &krb5int_enc_des3;
extern struct krb5_enc_provider krb5int_enc_aes128, krb5int_enc_aes256;
static void printd (const char *descr, krb5_data *d) {
int i, j;
const int r = 16;
printf("%s:", descr);
for (i = 0; i < d->length; i += r) {
printf("\n %04x: ", i);
for (j = i; j < i + r && j < d->length; j++)
printf(" %02x", 0xff & d->data[j]);
#ifdef SHOW_TEXT
for (; j < i + r; j++)
printf(" ");
printf(" ");
for (j = i; j < i + r && j < d->length; j++) {
int c = 0xff & d->data[j];
printf("%c", isprint(c) ? c : '.');
}
#endif
}
printf("\n");
}
static void printk(const char *descr, krb5_keyblock *k) {
krb5_data d;
d.data = k->contents;
d.length = k->length;
printd(descr, &d);
}
static void test_cts()
{
static const char input[4*16] =
"I would like the General Gau's Chicken, please, and wonton soup.";
static const unsigned char aeskey[16] = "chicken teriyaki";
static const int lengths[] = { 17, 31, 32, 47, 48, 64 };
extern krb5_error_code krb5int_aes_encrypt(const krb5_keyblock *,
const krb5_data *,
const krb5_data *,
krb5_data *);
int i;
char outbuf[64], encivbuf[16], decivbuf[16], outbuf2[64];
krb5_data in, out, enciv, deciv, out2;
krb5_keyblock key;
krb5_error_code err;
in.data = input;
out.data = outbuf;
out2.data = outbuf2;
enciv.length = deciv.length = 16;
enciv.data = encivbuf;
deciv.data = decivbuf;
key.contents = aeskey;
key.length = 16;
memset(enciv.data, 0, 16);
printk("AES 128-bit key", &key);
for (i = 0; i < sizeof(lengths)/sizeof(lengths[0]); i++) {
memset(enciv.data, 0, 16);
memset(deciv.data, 0, 16);
printf("\n");
in.length = out.length = lengths[i];
printd("IV", &enciv);
err = krb5int_aes_encrypt(&key, &enciv, &in, &out);
if (err) {
printf("error %ld from krb5int_aes_encrypt\n", (long)err);
exit(1);
}
printd("Input", &in);
printd("Output", &out);
printd("Next IV", &enciv);
out2.length = out.length;
err = krb5int_aes_decrypt(&key, &deciv, &out, &out2);
if (err) {
printf("error %ld from krb5int_aes_decrypt\n", (long)err);
exit(1);
}
if (!data_eq(out2, in)) {
printd("Decryption result DOESN'T MATCH", &out2);
exit(1);
}
if (memcmp(enciv.data, deciv.data, 16)) {
printd("Decryption IV result DOESN'T MATCH", &deciv);
exit(1);
}
}
}
int main (int argc, char **argv)
{
whoami = argv[0];
test_cts();
return 0;
}
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