1/*
2 * Copyright (c) 2007 Kungliga Tekniska H�gskolan
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
36RCSID("$Id: test_prf.c 20843 2007-06-03 14:23:20Z lha $");
37
38#include <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
51int
52main(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