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h_xcbcmac.c revision 1.1 
      1 /* $NetBSD: h_xcbcmac.c,v 1.1 2014/01/14 17:51:39 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[16] = {
     40 	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
     41 	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
     42 };
     43 char plaintx[] = {0x00, 0x01, 0x02};
     44 const unsigned char ciphertx[16] = {
     45 	0x21, 0xc6, 0x0d, 0xa5, 0x34, 0x24, 0x8b, 0xce,
     46 	0x95, 0x86, 0x64, 0xb3, 0x66, 0x77, 0x9b, 0x4c
     47 };
     48 
     49 int
     50 main(void)
     51 {
     52 	int fd, res;
     53 	struct session_op cs;
     54 	struct crypt_op co;
     55 	unsigned char buf[16];
     56 
     57 	fd = open("/dev/crypto", O_RDWR, 0);
     58 	if (fd < 0)
     59 		err(1, "open");
     60 	memset(&cs, 0, sizeof(cs));
     61 	cs.mac = CRYPTO_AES_XCBC_MAC_96;
     62 	cs.mackeylen = sizeof(key);
     63 	cs.mackey = key;
     64 	res = ioctl(fd, CIOCGSESSION, &cs);
     65 	if (res < 0)
     66 		err(1, "CIOCGSESSION");
     67 
     68 	memset(&co, 0, sizeof(co));
     69 	memset(buf, 0, sizeof(buf));
     70 	co.ses = cs.ses;
     71 	co.op = COP_ENCRYPT;
     72 	co.len = 0 /*sizeof(plaintx)*/;
     73 	co.src = plaintx;
     74 	co.mac = buf;
     75 	res = ioctl(fd, CIOCCRYPT, &co);
     76 	if (res < 0)
     77 		err(1, "CIOCCRYPT");
     78 #if 0
     79 	if (memcmp(co.dst, ciphertx, sizeof(ciphertx)))
     80 		errx(1, "verification failed");
     81 #else
     82 	{
     83 		unsigned int i;
     84 		for (i = 0; i < sizeof(buf); i++)
     85 			printf("%02x ", buf[i]);
     86 		printf("\n");
     87 	}
     88 #endif
     89 	return 0;
     90 }
     91