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h_null.c revision 1.3 
      1 /* $NetBSD: h_null.c,v 1.3 2014/01/17 19:35:33 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 
     42 int
     43 main(void)
     44 {
     45 	int fd, res;
     46 	struct session_op cs;
     47 	struct crypt_op co;
     48 	unsigned char buf[16];
     49 
     50 	fd = open("/dev/crypto", O_RDWR, 0);
     51 	if (fd < 0)
     52 		err(1, "open");
     53 	memset(&cs, 0, sizeof(cs));
     54 	cs.cipher = CRYPTO_NULL_CBC;
     55 	cs.keylen = 8;
     56 	cs.key = key;
     57 	res = ioctl(fd, CIOCGSESSION, &cs);
     58 	if (res < 0)
     59 		err(1, "CIOCGSESSION");
     60 
     61 	memset(&co, 0, sizeof(co));
     62 	co.ses = cs.ses;
     63 	co.op = COP_ENCRYPT;
     64 	co.len = sizeof(plaintx);
     65 	co.src = plaintx;
     66 	co.dst = buf;
     67 	co.dst_len = sizeof(buf);
     68 	res = ioctl(fd, CIOCCRYPT, &co);
     69 	if (res < 0)
     70 		err(1, "CIOCCRYPT");
     71 
     72 	if (memcmp(co.dst, plaintx, sizeof(plaintx)))
     73 		errx(1, "verification failed");
     74 
     75 	return 0;
     76 }
     77