test_crypto.c revision 178825
1/*
2 * Copyright (c) 2003-2005 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#include "krb5_locl.h"
34#include <err.h>
35#include <getarg.h>
36
37RCSID("$Id: test_crypto.c 16290 2005-11-24 09:57:50Z lha $");
38
39static void
40time_encryption(krb5_context context, size_t size,
41		krb5_enctype etype, int iterations)
42{
43    struct timeval tv1, tv2;
44    krb5_error_code ret;
45    krb5_keyblock key;
46    krb5_crypto crypto;
47    krb5_data data;
48    char *etype_name;
49    void *buf;
50    int i;
51
52    ret = krb5_generate_random_keyblock(context, etype, &key);
53    if (ret)
54	krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
55
56    ret = krb5_enctype_to_string(context, etype, &etype_name);
57    if (ret)
58	krb5_err(context, 1, ret, "krb5_enctype_to_string");
59
60    buf = malloc(size);
61    if (buf == NULL)
62	krb5_errx(context, 1, "out of memory");
63    memset(buf, 0, size);
64
65    ret = krb5_crypto_init(context, &key, 0, &crypto);
66    if (ret)
67	krb5_err(context, 1, ret, "krb5_crypto_init");
68
69    gettimeofday(&tv1, NULL);
70
71    for (i = 0; i < iterations; i++) {
72	ret = krb5_encrypt(context, crypto, 0, buf, size, &data);
73	if (ret)
74	    krb5_err(context, 1, ret, "encrypt: %d", i);
75	krb5_data_free(&data);
76    }
77
78    gettimeofday(&tv2, NULL);
79
80    timevalsub(&tv2, &tv1);
81
82    printf("%s size: %7lu iterations: %d time: %3ld.%06ld\n",
83	   etype_name, (unsigned long)size, iterations,
84	   (long)tv2.tv_sec, (long)tv2.tv_usec);
85
86    free(buf);
87    free(etype_name);
88    krb5_crypto_destroy(context, crypto);
89    krb5_free_keyblock_contents(context, &key);
90}
91
92static void
93time_s2k(krb5_context context,
94	 krb5_enctype etype,
95	 const char *password,
96	 krb5_salt salt,
97	 int iterations)
98{
99    struct timeval tv1, tv2;
100    krb5_error_code ret;
101    krb5_keyblock key;
102    krb5_data opaque;
103    char *etype_name;
104    int i;
105
106    ret = krb5_enctype_to_string(context, etype, &etype_name);
107    if (ret)
108	krb5_err(context, 1, ret, "krb5_enctype_to_string");
109
110    opaque.data = NULL;
111    opaque.length = 0;
112
113    gettimeofday(&tv1, NULL);
114
115    for (i = 0; i < iterations; i++) {
116	ret = krb5_string_to_key_salt_opaque(context, etype, password, salt,
117					 opaque, &key);
118	if (ret)
119	    krb5_err(context, 1, ret, "krb5_string_to_key_data_salt_opaque");
120	krb5_free_keyblock_contents(context, &key);
121    }
122
123    gettimeofday(&tv2, NULL);
124
125    timevalsub(&tv2, &tv1);
126
127    printf("%s string2key %d iterations time: %3ld.%06ld\n",
128	   etype_name, iterations, (long)tv2.tv_sec, (long)tv2.tv_usec);
129    free(etype_name);
130
131}
132
133static int version_flag = 0;
134static int help_flag	= 0;
135
136static struct getargs args[] = {
137    {"version",	0,	arg_flag,	&version_flag,
138     "print version", NULL },
139    {"help",	0,	arg_flag,	&help_flag,
140     NULL, NULL }
141};
142
143static void
144usage (int ret)
145{
146    arg_printusage (args,
147		    sizeof(args)/sizeof(*args),
148		    NULL,
149		    "");
150    exit (ret);
151}
152
153int
154main(int argc, char **argv)
155{
156    krb5_context context;
157    krb5_error_code ret;
158    int i, enciter, s2kiter;
159    int optidx = 0;
160    krb5_salt salt;
161
162    krb5_enctype enctypes[] = {
163	ETYPE_DES_CBC_CRC,
164	ETYPE_DES3_CBC_SHA1,
165	ETYPE_ARCFOUR_HMAC_MD5,
166	ETYPE_AES128_CTS_HMAC_SHA1_96,
167	ETYPE_AES256_CTS_HMAC_SHA1_96
168    };
169
170    setprogname(argv[0]);
171
172    if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
173	usage(1);
174
175    if (help_flag)
176	usage (0);
177
178    if(version_flag){
179	print_version(NULL);
180	exit(0);
181    }
182
183    argc -= optidx;
184    argv += optidx;
185
186    salt.salttype = KRB5_PW_SALT;
187    salt.saltvalue.data = NULL;
188    salt.saltvalue.length = 0;
189
190    ret = krb5_init_context(&context);
191    if (ret)
192	errx (1, "krb5_init_context failed: %d", ret);
193
194    enciter = 1000;
195    s2kiter = 100;
196
197    for (i = 0; i < sizeof(enctypes)/sizeof(enctypes[0]); i++) {
198
199	time_encryption(context, 16, enctypes[i], enciter);
200	time_encryption(context, 32, enctypes[i], enciter);
201	time_encryption(context, 512, enctypes[i], enciter);
202	time_encryption(context, 1024, enctypes[i], enciter);
203	time_encryption(context, 2048, enctypes[i], enciter);
204	time_encryption(context, 4096, enctypes[i], enciter);
205	time_encryption(context, 8192, enctypes[i], enciter);
206	time_encryption(context, 16384, enctypes[i], enciter);
207	time_encryption(context, 32768, enctypes[i], enciter);
208
209	time_s2k(context, enctypes[i], "mYsecreitPassword", salt, s2kiter);
210    }
211
212    krb5_free_context(context);
213
214    return 0;
215}
216