1/* $NetBSD: h_aesctr2.c,v 1.2 2014/01/17 14:16:08 pgoyette Exp $ */
2
3/*-
4 * Copyright (c) 2014 The NetBSD Foundation, 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[20] = {0xae, 0x68, 0x52, 0xf8, 0x12, 0x10, 0x67, 0xcc,
40			 0x4b, 0xf7, 0xa5, 0x76, 0x55, 0x77, 0xf3, 0x9e,
41	0x00, 0x00, 0x00, 0x30};
42unsigned char iv[8] = {0};
43char plaintx[16] = "Single block msg";
44const unsigned char ciphertx[16] = {
45	0xe4, 0x09, 0x5d, 0x4f, 0xb7, 0xa7, 0xb3, 0x79,
46	0x2d, 0x61, 0x75, 0xa3, 0x26, 0x13, 0x11, 0xb8
47};
48
49int
50main(void)
51{
52	int fd, res;
53	struct session_op cs;
54	struct crypt_op co;
55	unsigned char ibuf[24];
56	unsigned char obuf[24];
57
58	fd = open("/dev/crypto", O_RDWR, 0);
59	if (fd < 0)
60		err(1, "open");
61	memset(&cs, 0, sizeof(cs));
62	cs.cipher = CRYPTO_AES_CTR;
63	cs.keylen = 20;
64	cs.key = key;
65	res = ioctl(fd, CIOCGSESSION, &cs);
66	if (res < 0)
67		err(1, "CIOCGSESSION");
68
69	memcpy(ibuf, iv, 8);
70	memcpy(ibuf + 8, plaintx, 16);
71	memset(&co, 0, sizeof(co));
72	co.ses = cs.ses;
73	co.op = COP_ENCRYPT;
74	co.len = sizeof(ibuf);
75	co.src = ibuf;
76	co.dst = obuf;
77	co.dst_len = sizeof(obuf);
78	res = ioctl(fd, CIOCCRYPT, &co);
79	if (res < 0)
80		err(1, "CIOCCRYPT");
81	memset(ibuf, 0, sizeof(ibuf));
82	memset(&co, 0, sizeof(co));
83	co.ses = cs.ses;
84	co.op = COP_DECRYPT;
85	co.len = sizeof(obuf);
86	co.src = obuf;
87	co.dst = ibuf;
88	co.dst_len = sizeof(ibuf);
89	res = ioctl(fd, CIOCCRYPT, &co);
90	if (res < 0)
91		err(1, "CIOCCRYPT");
92
93	if (memcmp((char *)co.dst + 8, plaintx, sizeof(plaintx)))
94		warnx("verification failed");
95
96	return 0;
97}
98