Home | History | Annotate | Line # | Download | only in opencrypto 
      1 /* $NetBSD: h_gcm.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] = { 0 };
     40 char plaintx[16] = { 0 };
     41 unsigned char iv[16] = { 0 };
     42 const unsigned char ciphertx[16] = {
     43 	0x03, 0x88, 0xda, 0xce, 0x60, 0xb6, 0xa3, 0x92,
     44 	0xf3, 0x28, 0xc2, 0xb9, 0x71, 0xb2, 0xfe, 0x78
     45 };
     46 const unsigned char hash[16] = {
     47 	0xab, 0x6e, 0x47, 0xd4, 0x2c, 0xec, 0x13, 0xbd,
     48 	0xf5, 0x3a, 0x67, 0xb2, 0x12, 0x57, 0xbd, 0xdf
     49 };
     50 
     51 int
     52 main(void)
     53 {
     54 	int fd, res;
     55 	struct session_op cs;
     56 	struct crypt_op co;
     57 	unsigned char databuf[16];
     58 	unsigned char macbuf[16];
     59 	unsigned char databuf2[16];
     60 
     61 	fd = open("/dev/crypto", O_RDWR, 0);
     62 	if (fd < 0)
     63 		err(1, "open");
     64 	memset(&cs, 0, sizeof(cs));
     65 	cs.mac = CRYPTO_AES_128_GMAC;
     66 	cs.mackeylen = sizeof(key);
     67 	cs.mackey = key;
     68 	cs.cipher = CRYPTO_AES_GCM_16;
     69 	cs.key = key;
     70 	cs.keylen = sizeof(key);
     71 	res = ioctl(fd, CIOCGSESSION, &cs);
     72 	if (res < 0)
     73 		err(1, "CIOCGSESSION");
     74 
     75 	memset(&co, 0, sizeof(co));
     76 	memset(databuf, 0, sizeof(databuf));
     77 	memset(macbuf, 0, sizeof(macbuf));
     78 	co.ses = cs.ses;
     79 	co.op = COP_ENCRYPT;
     80 	co.len = sizeof(plaintx);
     81 	co.src = plaintx;
     82 	co.dst = databuf;
     83 	co.mac = macbuf;
     84 	co.iv = iv;
     85 	res = ioctl(fd, CIOCCRYPT, &co);
     86 	if (res < 0)
     87 		err(1, "CIOCCRYPT");
     88 #if 1
     89 	if (memcmp(co.dst, ciphertx, sizeof(ciphertx)))
     90 		errx(1, "verification failed");
     91 	if (memcmp(macbuf, hash, sizeof(hash)))
     92 		errx(1, "hash failed");
     93 #else
     94 	{
     95 		int i;
     96 		for (i = 0; i < sizeof(databuf); i++)
     97 			printf("%02x ", databuf[i]);
     98 		printf("\n");
     99 	}
    100 	{
    101 		int i;
    102 		for (i = 0; i < sizeof(macbuf); i++)
    103 			printf("%02x ", macbuf[i]);
    104 		printf("\n");
    105 	}
    106 #endif
    107 	memset(databuf2, 0, sizeof(databuf2));
    108 	memset(macbuf, 0, sizeof(macbuf));
    109 	co.ses = cs.ses;
    110 	co.op = COP_DECRYPT;
    111 	co.len = sizeof(databuf);
    112 	co.src = databuf;
    113 	co.dst = databuf2;
    114 	co.mac = macbuf;
    115 	co.iv = iv;
    116 	res = ioctl(fd, CIOCCRYPT, &co);
    117 	if (res < 0)
    118 		err(1, "CIOCCRYPT");
    119 
    120 	if (memcmp(co.dst, plaintx, sizeof(plaintx)))
    121 		errx(1, "verification failed");
    122 	if (memcmp(macbuf, hash, sizeof(hash)))
    123 		errx(1, "hash failed");
    124 
    125 	return 0;
    126 }
    127