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