1 /* $NetBSD: h_arc4.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 
39 unsigned char key[] = "abcdefgh";
40 char plaintx[16] = "1234567890123456";
41 const unsigned char ciphertx[16] = {
42 	0x21, 0xc6, 0x0d, 0xa5, 0x34, 0x24, 0x8b, 0xce,
43 	0x95, 0x86, 0x64, 0xb3, 0x66, 0x77, 0x9b, 0x4c
44 };
45 
46 int
47 main(void)
48 {
49 	int fd, res;
50 	struct session_op cs;
51 	struct crypt_op co;
52 	unsigned char buf[16];
53 
54 	fd = open("/dev/crypto", O_RDWR, 0);
55 	if (fd < 0)
56 		err(1, "open");
57 	memset(&cs, 0, sizeof(cs));
58 	cs.cipher = CRYPTO_ARC4;
59 	cs.keylen = 8;
60 	cs.key = key;
61 	res = ioctl(fd, CIOCGSESSION, &cs);
62 	if (res < 0)
63 		err(1, "CIOCGSESSION");
64 
65 	memset(&co, 0, sizeof(co));
66 	co.ses = cs.ses;
67 	co.op = COP_ENCRYPT;
68 	co.len = sizeof(plaintx);
69 	co.src = plaintx;
70 	co.dst = buf;
71 	co.dst_len = sizeof(buf);
72 	res = ioctl(fd, CIOCCRYPT, &co);
73 	if (res < 0)
74 		err(1, "CIOCCRYPT");
75 
76 	if (memcmp(co.dst, ciphertx, sizeof(ciphertx)))
77 		errx(1, "verification failed");
78 
79 	return 0;
80 }
81