2 * Copyright (c) 2003-2005 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"
38 time_encryption(krb5_context context, size_t size,
39 krb5_enctype etype, int iterations)
41 struct timeval tv1, tv2;
50 ret = krb5_generate_random_keyblock(context, etype, &key);
52 krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
54 ret = krb5_enctype_to_string(context, etype, &etype_name);
56 krb5_err(context, 1, ret, "krb5_enctype_to_string");
60 krb5_errx(context, 1, "out of memory");
63 ret = krb5_crypto_init(context, &key, 0, &crypto);
65 krb5_err(context, 1, ret, "krb5_crypto_init");
67 gettimeofday(&tv1, NULL);
69 for (i = 0; i < iterations; i++) {
70 ret = krb5_encrypt(context, crypto, 0, buf, size, &data);
72 krb5_err(context, 1, ret, "encrypt: %d", i);
73 krb5_data_free(&data);
76 gettimeofday(&tv2, NULL);
78 timevalsub(&tv2, &tv1);
80 printf("%s size: %7lu iterations: %d time: %3ld.%06ld\n",
81 etype_name, (unsigned long)size, iterations,
82 (long)tv2.tv_sec, (long)tv2.tv_usec);
86 krb5_crypto_destroy(context, crypto);
87 krb5_free_keyblock_contents(context, &key);
91 time_s2k(krb5_context context,
97 struct timeval tv1, tv2;
104 ret = krb5_enctype_to_string(context, etype, &etype_name);
106 krb5_err(context, 1, ret, "krb5_enctype_to_string");
111 gettimeofday(&tv1, NULL);
113 for (i = 0; i < iterations; i++) {
114 ret = krb5_string_to_key_salt_opaque(context, etype, password, salt,
117 krb5_err(context, 1, ret, "krb5_string_to_key_data_salt_opaque");
118 krb5_free_keyblock_contents(context, &key);
121 gettimeofday(&tv2, NULL);
123 timevalsub(&tv2, &tv1);
125 printf("%s string2key %d iterations time: %3ld.%06ld\n",
126 etype_name, iterations, (long)tv2.tv_sec, (long)tv2.tv_usec);
131 static int version_flag = 0;
132 static int help_flag = 0;
134 static struct getargs args[] = {
135 {"version", 0, arg_flag, &version_flag,
136 "print version", NULL },
137 {"help", 0, arg_flag, &help_flag,
144 arg_printusage (args,
145 sizeof(args)/sizeof(*args),
152 main(int argc, char **argv)
154 krb5_context context;
156 int i, enciter, s2kiter;
160 krb5_enctype enctypes[] = {
163 ETYPE_ARCFOUR_HMAC_MD5,
164 ETYPE_AES128_CTS_HMAC_SHA1_96,
165 ETYPE_AES256_CTS_HMAC_SHA1_96
168 setprogname(argv[0]);
170 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
181 salt.salttype = KRB5_PW_SALT;
182 salt.saltvalue.data = NULL;
183 salt.saltvalue.length = 0;
185 ret = krb5_init_context(&context);
187 errx (1, "krb5_init_context failed: %d", ret);
192 for (i = 0; i < sizeof(enctypes)/sizeof(enctypes[0]); i++) {
194 krb5_enctype_enable(context, enctypes[i]);
196 time_encryption(context, 16, enctypes[i], enciter);
197 time_encryption(context, 32, enctypes[i], enciter);
198 time_encryption(context, 512, enctypes[i], enciter);
199 time_encryption(context, 1024, enctypes[i], enciter);
200 time_encryption(context, 2048, enctypes[i], enciter);
201 time_encryption(context, 4096, enctypes[i], enciter);
202 time_encryption(context, 8192, enctypes[i], enciter);
203 time_encryption(context, 16384, enctypes[i], enciter);
204 time_encryption(context, 32768, enctypes[i], enciter);
206 time_s2k(context, enctypes[i], "mYsecreitPassword", salt, s2kiter);
209 krb5_free_context(context);