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
49int
50main(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