2 * Copyright (c) 2005 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
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.
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. */
33 #include "krb5_locl.h"
37 RCSID("$Id: test_crypto_wrapping.c 18809 2006-10-22 07:11:43Z lha $");
40 test_wrapping(krb5_context context,
54 ret = krb5_generate_random_keyblock(context, etype, &key);
56 krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
58 ret = krb5_enctype_to_string(context, etype, &etype_name);
60 krb5_err(context, 1, ret, "krb5_enctype_to_string");
62 buf = malloc(max_size);
64 krb5_errx(context, 1, "out of memory");
65 memset(buf, 0, max_size);
67 ret = krb5_crypto_init(context, &key, 0, &crypto);
69 krb5_err(context, 1, ret, "krb5_crypto_init");
71 for (size = min_size; size < max_size; size += step) {
74 ret = krb5_encrypt(context, crypto, 0, buf, size, &data);
76 krb5_err(context, 1, ret, "encrypt size %lu using %s",
77 (unsigned long)size, etype_name);
79 wrapped_size = krb5_get_wrapped_length(context, crypto, size);
81 if (wrapped_size != data.length)
82 krb5_errx(context, 1, "calculated wrapped length %lu != "
83 "real wrapped length %lu for data length %lu using "
85 (unsigned long)wrapped_size,
86 (unsigned long)data.length,
89 krb5_data_free(&data);
94 krb5_crypto_destroy(context, crypto);
95 krb5_free_keyblock_contents(context, &key);
100 static int version_flag = 0;
101 static int help_flag = 0;
103 static struct getargs args[] = {
104 {"version", 0, arg_flag, &version_flag,
105 "print version", NULL },
106 {"help", 0, arg_flag, &help_flag,
113 arg_printusage (args,
114 sizeof(args)/sizeof(*args),
121 main(int argc, char **argv)
123 krb5_context context;
127 krb5_enctype enctypes[] = {
132 ETYPE_ARCFOUR_HMAC_MD5,
133 ETYPE_AES128_CTS_HMAC_SHA1_96,
134 ETYPE_AES256_CTS_HMAC_SHA1_96
137 setprogname(argv[0]);
139 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
153 ret = krb5_init_context(&context);
155 errx (1, "krb5_init_context failed: %d", ret);
157 for (i = 0; i < sizeof(enctypes)/sizeof(enctypes[0]); i++) {
158 test_wrapping(context, 0, 1024, 1, enctypes[i]);
159 test_wrapping(context, 1024, 1024 * 100, 1024, enctypes[i]);
161 krb5_free_context(context);