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
39 unsigned char key[] =
40 "abcdefgh" \
41 "ijklmnop" \
42 "qrstuvwx";
43 unsigned char iv[8] = {0};
44 char plaintx[16] = "1234567890123456";
45
46 const unsigned char ciphertx[16] = {
47 0xe0, 0xb9, 0xe7, 0x20, 0x6c, 0xc7, 0xb0, 0x24,
48 0xfa, 0xfc, 0x46, 0x1b, 0xad, 0xc1, 0xef, 0x4e,
49 };
50
51 int
main(void)52 main(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