h_aesctr2.c revision 272343
1272343Sngie/* $NetBSD: h_aesctr2.c,v 1.2 2014/01/17 14:16:08 pgoyette Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2014 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * Redistribution and use in source and binary forms, with or without 8272343Sngie * modification, are permitted provided that the following conditions 9272343Sngie * are met: 10272343Sngie * 1. Redistributions of source code must retain the above copyright 11272343Sngie * notice, this list of conditions and the following disclaimer. 12272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 13272343Sngie * notice, this list of conditions and the following disclaimer in the 14272343Sngie * documentation and/or other materials provided with the distribution. 15272343Sngie * 16272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26272343Sngie * POSSIBILITY OF SUCH DAMAGE. 27272343Sngie */ 28272343Sngie 29272343Sngie#include <err.h> 30272343Sngie#include <fcntl.h> 31272343Sngie#include <stdio.h> 32272343Sngie#include <string.h> 33272343Sngie 34272343Sngie#include <sys/ioctl.h> 35272343Sngie#include <sys/time.h> 36272343Sngie 37272343Sngie#include <crypto/cryptodev.h> 38272343Sngie 39272343Sngieunsigned char key[20] = {0xae, 0x68, 0x52, 0xf8, 0x12, 0x10, 0x67, 0xcc, 40272343Sngie 0x4b, 0xf7, 0xa5, 0x76, 0x55, 0x77, 0xf3, 0x9e, 41272343Sngie 0x00, 0x00, 0x00, 0x30}; 42272343Sngieunsigned char iv[8] = {0}; 43272343Sngiechar plaintx[16] = "Single block msg"; 44272343Sngieconst unsigned char ciphertx[16] = { 45272343Sngie 0xe4, 0x09, 0x5d, 0x4f, 0xb7, 0xa7, 0xb3, 0x79, 46272343Sngie 0x2d, 0x61, 0x75, 0xa3, 0x26, 0x13, 0x11, 0xb8 47272343Sngie}; 48272343Sngie 49272343Sngieint 50272343Sngiemain(void) 51272343Sngie{ 52272343Sngie int fd, res; 53272343Sngie struct session_op cs; 54272343Sngie struct crypt_op co; 55272343Sngie unsigned char ibuf[24]; 56272343Sngie unsigned char obuf[24]; 57272343Sngie 58272343Sngie fd = open("/dev/crypto", O_RDWR, 0); 59272343Sngie if (fd < 0) 60272343Sngie err(1, "open"); 61272343Sngie memset(&cs, 0, sizeof(cs)); 62272343Sngie cs.cipher = CRYPTO_AES_CTR; 63272343Sngie cs.keylen = 20; 64272343Sngie cs.key = key; 65272343Sngie res = ioctl(fd, CIOCGSESSION, &cs); 66272343Sngie if (res < 0) 67272343Sngie err(1, "CIOCGSESSION"); 68272343Sngie 69272343Sngie memcpy(ibuf, iv, 8); 70272343Sngie memcpy(ibuf + 8, plaintx, 16); 71272343Sngie memset(&co, 0, sizeof(co)); 72272343Sngie co.ses = cs.ses; 73272343Sngie co.op = COP_ENCRYPT; 74272343Sngie co.len = sizeof(ibuf); 75272343Sngie co.src = ibuf; 76272343Sngie co.dst = obuf; 77272343Sngie co.dst_len = sizeof(obuf); 78272343Sngie res = ioctl(fd, CIOCCRYPT, &co); 79272343Sngie if (res < 0) 80272343Sngie err(1, "CIOCCRYPT"); 81272343Sngie memset(ibuf, 0, sizeof(ibuf)); 82272343Sngie memset(&co, 0, sizeof(co)); 83272343Sngie co.ses = cs.ses; 84272343Sngie co.op = COP_DECRYPT; 85272343Sngie co.len = sizeof(obuf); 86272343Sngie co.src = obuf; 87272343Sngie co.dst = ibuf; 88272343Sngie co.dst_len = sizeof(ibuf); 89272343Sngie res = ioctl(fd, CIOCCRYPT, &co); 90272343Sngie if (res < 0) 91272343Sngie err(1, "CIOCCRYPT"); 92272343Sngie 93272343Sngie if (memcmp((char *)co.dst + 8, plaintx, sizeof(plaintx))) 94272343Sngie warnx("verification failed"); 95272343Sngie 96272343Sngie return 0; 97272343Sngie} 98