1 1.2 pgoyette /* $NetBSD: h_aesctr2.c,v 1.2 2014/01/17 14:16:08 pgoyette Exp $ */ 2 1.1 pgoyette 3 1.1 pgoyette /*- 4 1.1 pgoyette * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 1.1 pgoyette * All rights reserved. 6 1.1 pgoyette * 7 1.1 pgoyette * Redistribution and use in source and binary forms, with or without 8 1.1 pgoyette * modification, are permitted provided that the following conditions 9 1.1 pgoyette * are met: 10 1.1 pgoyette * 1. Redistributions of source code must retain the above copyright 11 1.1 pgoyette * notice, this list of conditions and the following disclaimer. 12 1.1 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 pgoyette * notice, this list of conditions and the following disclaimer in the 14 1.1 pgoyette * documentation and/or other materials provided with the distribution. 15 1.1 pgoyette * 16 1.1 pgoyette * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.1 pgoyette * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.1 pgoyette * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.1 pgoyette * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.1 pgoyette * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.1 pgoyette * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.1 pgoyette * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.1 pgoyette * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.1 pgoyette * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.1 pgoyette * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.1 pgoyette * POSSIBILITY OF SUCH DAMAGE. 27 1.1 pgoyette */ 28 1.1 pgoyette 29 1.1 pgoyette #include <err.h> 30 1.1 pgoyette #include <fcntl.h> 31 1.1 pgoyette #include <stdio.h> 32 1.1 pgoyette #include <string.h> 33 1.1 pgoyette 34 1.1 pgoyette #include <sys/ioctl.h> 35 1.1 pgoyette #include <sys/time.h> 36 1.1 pgoyette 37 1.1 pgoyette #include <crypto/cryptodev.h> 38 1.1 pgoyette 39 1.1 pgoyette unsigned char key[20] = {0xae, 0x68, 0x52, 0xf8, 0x12, 0x10, 0x67, 0xcc, 40 1.1 pgoyette 0x4b, 0xf7, 0xa5, 0x76, 0x55, 0x77, 0xf3, 0x9e, 41 1.1 pgoyette 0x00, 0x00, 0x00, 0x30}; 42 1.1 pgoyette unsigned char iv[8] = {0}; 43 1.1 pgoyette char plaintx[16] = "Single block msg"; 44 1.1 pgoyette const unsigned char ciphertx[16] = { 45 1.1 pgoyette 0xe4, 0x09, 0x5d, 0x4f, 0xb7, 0xa7, 0xb3, 0x79, 46 1.1 pgoyette 0x2d, 0x61, 0x75, 0xa3, 0x26, 0x13, 0x11, 0xb8 47 1.1 pgoyette }; 48 1.1 pgoyette 49 1.1 pgoyette int 50 1.1 pgoyette main(void) 51 1.1 pgoyette { 52 1.1 pgoyette int fd, res; 53 1.1 pgoyette struct session_op cs; 54 1.1 pgoyette struct crypt_op co; 55 1.1 pgoyette unsigned char ibuf[24]; 56 1.1 pgoyette unsigned char obuf[24]; 57 1.1 pgoyette 58 1.1 pgoyette fd = open("/dev/crypto", O_RDWR, 0); 59 1.1 pgoyette if (fd < 0) 60 1.1 pgoyette err(1, "open"); 61 1.1 pgoyette memset(&cs, 0, sizeof(cs)); 62 1.1 pgoyette cs.cipher = CRYPTO_AES_CTR; 63 1.1 pgoyette cs.keylen = 20; 64 1.1 pgoyette cs.key = key; 65 1.1 pgoyette res = ioctl(fd, CIOCGSESSION, &cs); 66 1.1 pgoyette if (res < 0) 67 1.1 pgoyette err(1, "CIOCGSESSION"); 68 1.1 pgoyette 69 1.1 pgoyette memcpy(ibuf, iv, 8); 70 1.1 pgoyette memcpy(ibuf + 8, plaintx, 16); 71 1.1 pgoyette memset(&co, 0, sizeof(co)); 72 1.1 pgoyette co.ses = cs.ses; 73 1.1 pgoyette co.op = COP_ENCRYPT; 74 1.1 pgoyette co.len = sizeof(ibuf); 75 1.1 pgoyette co.src = ibuf; 76 1.1 pgoyette co.dst = obuf; 77 1.1 pgoyette co.dst_len = sizeof(obuf); 78 1.1 pgoyette res = ioctl(fd, CIOCCRYPT, &co); 79 1.1 pgoyette if (res < 0) 80 1.1 pgoyette err(1, "CIOCCRYPT"); 81 1.1 pgoyette memset(ibuf, 0, sizeof(ibuf)); 82 1.1 pgoyette memset(&co, 0, sizeof(co)); 83 1.1 pgoyette co.ses = cs.ses; 84 1.1 pgoyette co.op = COP_DECRYPT; 85 1.1 pgoyette co.len = sizeof(obuf); 86 1.1 pgoyette co.src = obuf; 87 1.1 pgoyette co.dst = ibuf; 88 1.1 pgoyette co.dst_len = sizeof(ibuf); 89 1.1 pgoyette res = ioctl(fd, CIOCCRYPT, &co); 90 1.1 pgoyette if (res < 0) 91 1.1 pgoyette err(1, "CIOCCRYPT"); 92 1.2 pgoyette 93 1.1 pgoyette if (memcmp((char *)co.dst + 8, plaintx, sizeof(plaintx))) 94 1.1 pgoyette warnx("verification failed"); 95 1.2 pgoyette 96 1.1 pgoyette return 0; 97 1.1 pgoyette } 98