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
39 unsigned 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};
42 unsigned char iv[8] = {0};
43 char plaintx[16] = "Single block msg";
44 const unsigned char ciphertx[16] = {
45 0xe4, 0x09, 0x5d, 0x4f, 0xb7, 0xa7, 0xb3, 0x79,
46 0x2d, 0x61, 0x75, 0xa3, 0x26, 0x13, 0x11, 0xb8
47 };
48
49 int
main(void)50 main(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