1 /* $NetBSD: test_prf.c,v 1.1.1.1 2011/04/13 18:15:38 elric Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of KTH nor the names of its contributors may be 20 * used to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY 24 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE 27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include "krb5_locl.h" 37 38 #include <krb5/hex.h> 39 #include <err.h> 40 41 /* 42 * key: string2key(aes256, "testkey", "testkey", default_params) 43 * input: unhex(1122334455667788) 44 * output: 58b594b8a61df6e9439b7baa991ff5c1 45 * 46 * key: string2key(aes128, "testkey", "testkey", default_params) 47 * input: unhex(1122334455667788) 48 * output: ffa2f823aa7f83a8ce3c5fb730587129 49 */ 50 51 int 52 main(int argc, char **argv) 53 { 54 krb5_context context; 55 krb5_error_code ret; 56 krb5_keyblock key; 57 krb5_crypto crypto; 58 size_t length; 59 krb5_data input, output, output2; 60 krb5_enctype etype = ETYPE_AES256_CTS_HMAC_SHA1_96; 61 62 ret = krb5_init_context(&context); 63 if (ret) 64 errx(1, "krb5_init_context %d", ret); 65 66 ret = krb5_generate_random_keyblock(context, etype, &key); 67 if (ret) 68 krb5_err(context, 1, ret, "krb5_generate_random_keyblock"); 69 70 ret = krb5_crypto_prf_length(context, etype, &length); 71 if (ret) 72 krb5_err(context, 1, ret, "krb5_crypto_prf_length"); 73 74 ret = krb5_crypto_init(context, &key, 0, &crypto); 75 if (ret) 76 krb5_err(context, 1, ret, "krb5_crypto_init"); 77 78 input.data = rk_UNCONST("foo"); 79 input.length = 3; 80 81 ret = krb5_crypto_prf(context, crypto, &input, &output); 82 if (ret) 83 krb5_err(context, 1, ret, "krb5_crypto_prf"); 84 85 ret = krb5_crypto_prf(context, crypto, &input, &output2); 86 if (ret) 87 krb5_err(context, 1, ret, "krb5_crypto_prf"); 88 89 if (krb5_data_cmp(&output, &output2) != 0) 90 krb5_errx(context, 1, "krb5_data_cmp"); 91 92 krb5_data_free(&output); 93 krb5_data_free(&output2); 94 95 krb5_crypto_destroy(context, crypto); 96 97 krb5_free_keyblock_contents(context, &key); 98 99 krb5_free_context(context); 100 101 return 0; 102 } 103