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