1 /* $NetBSD: h_aesctr2.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] = {0xae, 0x68, 0x52, 0xf8, 0x12, 0x10, 0x67, 0xcc, 40 0x4b, 0xf7, 0xa5, 0x76, 0x55, 0x77, 0xf3, 0x9e, 41 0x00, 0x00, 0x00, 0x30}; 42 unsigned char iv[8] = {0}; 43 char plaintx[16] = "Single block msg"; 44 const unsigned char ciphertx[16] = { 45 0xe4, 0x09, 0x5d, 0x4f, 0xb7, 0xa7, 0xb3, 0x79, 46 0x2d, 0x61, 0x75, 0xa3, 0x26, 0x13, 0x11, 0xb8 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 ibuf[24]; 56 unsigned char obuf[24]; 57 58 fd = open("/dev/crypto", O_RDWR, 0); 59 if (fd < 0) 60 err(1, "open"); 61 memset(&cs, 0, sizeof(cs)); 62 cs.cipher = CRYPTO_AES_CTR; 63 cs.keylen = 20; 64 cs.key = key; 65 res = ioctl(fd, CIOCGSESSION, &cs); 66 if (res < 0) 67 err(1, "CIOCGSESSION"); 68 69 memcpy(ibuf, iv, 8); 70 memcpy(ibuf + 8, plaintx, 16); 71 memset(&co, 0, sizeof(co)); 72 co.ses = cs.ses; 73 co.op = COP_ENCRYPT; 74 co.len = sizeof(ibuf); 75 co.src = ibuf; 76 co.dst = obuf; 77 co.dst_len = sizeof(obuf); 78 res = ioctl(fd, CIOCCRYPT, &co); 79 if (res < 0) 80 err(1, "CIOCCRYPT"); 81 memset(ibuf, 0, sizeof(ibuf)); 82 memset(&co, 0, sizeof(co)); 83 co.ses = cs.ses; 84 co.op = COP_DECRYPT; 85 co.len = sizeof(obuf); 86 co.src = obuf; 87 co.dst = ibuf; 88 co.dst_len = sizeof(ibuf); 89 res = ioctl(fd, CIOCCRYPT, &co); 90 if (res < 0) 91 err(1, "CIOCCRYPT"); 92 93 if (memcmp((char *)co.dst + 8, plaintx, sizeof(plaintx))) 94 warnx("verification failed"); 95 96 return 0; 97 } 98