1/* $NetBSD: h_cbc3des.c,v 1.1 2017/04/17 03:59:37 knakahara Exp $ */ 2 3/*- 4 * Copyright (c) 2017 Internet Initiative Japan 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 39unsigned char key[] = 40 "abcdefgh" \ 41 "ijklmnop" \ 42 "qrstuvwx"; 43unsigned char iv[8] = {0}; 44char plaintx[16] = "1234567890123456"; 45 46const unsigned char ciphertx[16] = { 47 0xe0, 0xb9, 0xe7, 0x20, 0x6c, 0xc7, 0xb0, 0x24, 48 0xfa, 0xfc, 0x46, 0x1b, 0xad, 0xc1, 0xef, 0x4e, 49}; 50 51int 52main(void) 53{ 54 int fd, res; 55 struct session_op cs; 56 struct crypt_op co, co2; 57 unsigned char buf[16], buf2[16]; 58 59 fd = open("/dev/crypto", O_RDWR, 0); 60 if (fd < 0) 61 err(1, "open"); 62 memset(&cs, 0, sizeof(cs)); 63 cs.cipher = CRYPTO_3DES_CBC; 64 cs.keylen = 24; 65 cs.key = key; 66 res = ioctl(fd, CIOCGSESSION, &cs); 67 if (res < 0) 68 err(1, "CIOCGSESSION"); 69 70 memset(&co, 0, sizeof(co)); 71 memset(&buf, 0, sizeof(buf)); 72 co.ses = cs.ses; 73 co.op = COP_ENCRYPT; 74 co.len = sizeof(plaintx); 75 co.src = plaintx; 76 co.dst = buf; 77 co.dst_len = sizeof(buf); 78 co.iv = iv; 79 res = ioctl(fd, CIOCCRYPT, &co); 80 if (res < 0) 81 err(1, "CIOCCRYPT encrypto"); 82 83 if (memcmp(co.dst, ciphertx, sizeof(ciphertx))) 84 errx(1, "encrypto verification failed"); 85 86 memset(&co2, 0, sizeof(co2)); 87 memset(&buf2, 0, sizeof(buf2)); 88 co2.ses = cs.ses; 89 co2.op = COP_DECRYPT; 90 co2.len = sizeof(buf); 91 co2.src = buf; 92 co2.dst = buf2; 93 co2.dst_len = sizeof(buf2); 94 co2.iv = iv; 95 res = ioctl(fd, CIOCCRYPT, &co2); 96 if (res < 0) 97 err(1, "CIOCCRYPT decrypto"); 98 99 if (memcmp(co2.dst, plaintx, sizeof(plaintx))) 100 errx(1, "decrypto verification failed"); 101 102 return 0; 103} 104