1/* $NetBSD: h_cbc3des.c,v 1.1 2017/04/17 03:59:37 knakahara Exp $ */
2
3/*-
4 * Copyright (c) 2017 Internet Initiative Japan Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <err.h>
30#include <fcntl.h>
31#include <stdio.h>
32#include <string.h>
33
34#include <sys/ioctl.h>
35#include <sys/time.h>
36
37#include <crypto/cryptodev.h>
38
39unsigned char key[] =
40	"abcdefgh" \
41	"ijklmnop" \
42	"qrstuvwx";
43unsigned char iv[8] = {0};
44char plaintx[16] = "1234567890123456";
45
46const unsigned char ciphertx[16] = {
47	0xe0, 0xb9, 0xe7, 0x20, 0x6c, 0xc7, 0xb0, 0x24,
48	0xfa, 0xfc, 0x46, 0x1b, 0xad, 0xc1, 0xef, 0x4e,
49};
50
51int
52main(void)
53{
54	int fd, res;
55	struct session_op cs;
56	struct crypt_op co, co2;
57	unsigned char buf[16], buf2[16];
58
59	fd = open("/dev/crypto", O_RDWR, 0);
60	if (fd < 0)
61		err(1, "open");
62	memset(&cs, 0, sizeof(cs));
63	cs.cipher = CRYPTO_3DES_CBC;
64	cs.keylen = 24;
65	cs.key = key;
66	res = ioctl(fd, CIOCGSESSION, &cs);
67	if (res < 0)
68		err(1, "CIOCGSESSION");
69
70	memset(&co, 0, sizeof(co));
71	memset(&buf, 0, sizeof(buf));
72	co.ses = cs.ses;
73	co.op = COP_ENCRYPT;
74	co.len = sizeof(plaintx);
75	co.src = plaintx;
76	co.dst = buf;
77	co.dst_len = sizeof(buf);
78	co.iv = iv;
79	res = ioctl(fd, CIOCCRYPT, &co);
80	if (res < 0)
81		err(1, "CIOCCRYPT encrypto");
82
83	if (memcmp(co.dst, ciphertx, sizeof(ciphertx)))
84		errx(1, "encrypto verification failed");
85
86	memset(&co2, 0, sizeof(co2));
87	memset(&buf2, 0, sizeof(buf2));
88	co2.ses = cs.ses;
89	co2.op = COP_DECRYPT;
90	co2.len = sizeof(buf);
91	co2.src = buf;
92	co2.dst = buf2;
93	co2.dst_len = sizeof(buf2);
94	co2.iv = iv;
95	res = ioctl(fd, CIOCCRYPT, &co2);
96	if (res < 0)
97		err(1, "CIOCCRYPT decrypto");
98
99	if (memcmp(co2.dst, plaintx, sizeof(plaintx)))
100		errx(1, "decrypto verification failed");
101
102	return 0;
103}
104