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      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
     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