1*86d7f5d3SJohn Marino /*-
2*86d7f5d3SJohn Marino * Copyright (c) 2003 Poul-Henning Kamp
3*86d7f5d3SJohn Marino * All rights reserved.
4*86d7f5d3SJohn Marino *
5*86d7f5d3SJohn Marino * Redistribution and use in source and binary forms, with or without
6*86d7f5d3SJohn Marino * modification, are permitted provided that the following conditions
7*86d7f5d3SJohn Marino * are met:
8*86d7f5d3SJohn Marino * 1. Redistributions of source code must retain the above copyright
9*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer.
10*86d7f5d3SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright
11*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer in the
12*86d7f5d3SJohn Marino * documentation and/or other materials provided with the distribution.
13*86d7f5d3SJohn Marino *
14*86d7f5d3SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*86d7f5d3SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*86d7f5d3SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*86d7f5d3SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*86d7f5d3SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*86d7f5d3SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*86d7f5d3SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*86d7f5d3SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*86d7f5d3SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*86d7f5d3SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*86d7f5d3SJohn Marino * SUCH DAMAGE.
25*86d7f5d3SJohn Marino *
26*86d7f5d3SJohn Marino * $FreeBSD: src/sys/crypto/rijndael/test00.c,v 1.2 2008/01/15 18:34:47 sobomax Exp $
27*86d7f5d3SJohn Marino *
28*86d7f5d3SJohn Marino * This test checks for inplace decryption working. This is the case
29*86d7f5d3SJohn Marino * where the same buffer is passed as input and output to
30*86d7f5d3SJohn Marino * rijndael_blockDecrypt().
31*86d7f5d3SJohn Marino */
32*86d7f5d3SJohn Marino
33*86d7f5d3SJohn Marino #include <stdio.h>
34*86d7f5d3SJohn Marino #include <sys/param.h>
35*86d7f5d3SJohn Marino #include <sys/types.h>
36*86d7f5d3SJohn Marino
37*86d7f5d3SJohn Marino #include <crypto/rijndael/rijndael-api-fst.h>
38*86d7f5d3SJohn Marino
39*86d7f5d3SJohn Marino #define LL 32
40*86d7f5d3SJohn Marino int
main(int argc,char ** argv)41*86d7f5d3SJohn Marino main(int argc, char **argv)
42*86d7f5d3SJohn Marino {
43*86d7f5d3SJohn Marino keyInstance ki;
44*86d7f5d3SJohn Marino cipherInstance ci;
45*86d7f5d3SJohn Marino uint8_t key[16];
46*86d7f5d3SJohn Marino uint8_t in[LL];
47*86d7f5d3SJohn Marino uint8_t out[LL];
48*86d7f5d3SJohn Marino int i, j;
49*86d7f5d3SJohn Marino
50*86d7f5d3SJohn Marino rijndael_cipherInit(&ci, MODE_CBC, NULL);
51*86d7f5d3SJohn Marino for (i = 0; i < 16; i++)
52*86d7f5d3SJohn Marino key[i] = i;
53*86d7f5d3SJohn Marino rijndael_makeKey(&ki, DIR_DECRYPT, 128, key);
54*86d7f5d3SJohn Marino for (i = 0; i < LL; i++)
55*86d7f5d3SJohn Marino in[i] = i;
56*86d7f5d3SJohn Marino rijndael_blockDecrypt(&ci, &ki, in, LL * 8, out);
57*86d7f5d3SJohn Marino for (i = 0; i < LL; i++)
58*86d7f5d3SJohn Marino printf("%02x", out[i]);
59*86d7f5d3SJohn Marino putchar('\n');
60*86d7f5d3SJohn Marino rijndael_blockDecrypt(&ci, &ki, in, LL * 8, in);
61*86d7f5d3SJohn Marino j = 0;
62*86d7f5d3SJohn Marino for (i = 0; i < LL; i++) {
63*86d7f5d3SJohn Marino printf("%02x", in[i]);
64*86d7f5d3SJohn Marino if (in[i] != out[i])
65*86d7f5d3SJohn Marino j++;
66*86d7f5d3SJohn Marino }
67*86d7f5d3SJohn Marino putchar('\n');
68*86d7f5d3SJohn Marino if (j != 0) {
69*86d7f5d3SJohn Marino fprintf(stderr,
70*86d7f5d3SJohn Marino "Error: inplace decryption fails in %d places\n", j);
71*86d7f5d3SJohn Marino return (1);
72*86d7f5d3SJohn Marino } else {
73*86d7f5d3SJohn Marino return (0);
74*86d7f5d3SJohn Marino }
75*86d7f5d3SJohn Marino }
76