1 /*
2 * Copyright (c) 2003-2005 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 #include "krb5_locl.h"
34 #include <err.h>
35 #include <getarg.h>
36
37 static void
time_encryption(krb5_context context,size_t size,krb5_enctype etype,int iterations)38 time_encryption(krb5_context context, size_t size,
39 krb5_enctype etype, int iterations)
40 {
41 struct timeval tv1, tv2;
42 krb5_error_code ret;
43 krb5_keyblock key;
44 krb5_crypto crypto;
45 krb5_data data;
46 char *etype_name;
47 void *buf;
48 int i;
49
50 ret = krb5_generate_random_keyblock(context, etype, &key);
51 if (ret)
52 krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
53
54 ret = krb5_enctype_to_string(context, etype, &etype_name);
55 if (ret)
56 krb5_err(context, 1, ret, "krb5_enctype_to_string");
57
58 buf = malloc(size);
59 if (buf == NULL)
60 krb5_errx(context, 1, "out of memory");
61 memset(buf, 0, size);
62
63 ret = krb5_crypto_init(context, &key, 0, &crypto);
64 if (ret)
65 krb5_err(context, 1, ret, "krb5_crypto_init");
66
67 gettimeofday(&tv1, NULL);
68
69 for (i = 0; i < iterations; i++) {
70 ret = krb5_encrypt(context, crypto, 0, buf, size, &data);
71 if (ret)
72 krb5_err(context, 1, ret, "encrypt: %d", i);
73 krb5_data_free(&data);
74 }
75
76 gettimeofday(&tv2, NULL);
77
78 timevalsub(&tv2, &tv1);
79
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);
83
84 free(buf);
85 free(etype_name);
86 krb5_crypto_destroy(context, crypto);
87 krb5_free_keyblock_contents(context, &key);
88 }
89
90 static void
time_s2k(krb5_context context,krb5_enctype etype,const char * password,krb5_salt salt,int iterations)91 time_s2k(krb5_context context,
92 krb5_enctype etype,
93 const char *password,
94 krb5_salt salt,
95 int iterations)
96 {
97 struct timeval tv1, tv2;
98 krb5_error_code ret;
99 krb5_keyblock key;
100 krb5_data opaque;
101 char *etype_name;
102 int i;
103
104 ret = krb5_enctype_to_string(context, etype, &etype_name);
105 if (ret)
106 krb5_err(context, 1, ret, "krb5_enctype_to_string");
107
108 opaque.data = NULL;
109 opaque.length = 0;
110
111 gettimeofday(&tv1, NULL);
112
113 for (i = 0; i < iterations; i++) {
114 ret = krb5_string_to_key_salt_opaque(context, etype, password, salt,
115 opaque, &key);
116 if (ret)
117 krb5_err(context, 1, ret, "krb5_string_to_key_data_salt_opaque");
118 krb5_free_keyblock_contents(context, &key);
119 }
120
121 gettimeofday(&tv2, NULL);
122
123 timevalsub(&tv2, &tv1);
124
125 printf("%s string2key %d iterations time: %3ld.%06ld\n",
126 etype_name, iterations, (long)tv2.tv_sec, (long)tv2.tv_usec);
127 free(etype_name);
128
129 }
130
131 static int version_flag = 0;
132 static int help_flag = 0;
133
134 static struct getargs args[] = {
135 {"version", 0, arg_flag, &version_flag,
136 "print version", NULL },
137 {"help", 0, arg_flag, &help_flag,
138 NULL, NULL }
139 };
140
141 static void
usage(int ret)142 usage (int ret)
143 {
144 arg_printusage (args,
145 sizeof(args)/sizeof(*args),
146 NULL,
147 "");
148 exit (ret);
149 }
150
151 int
main(int argc,char ** argv)152 main(int argc, char **argv)
153 {
154 krb5_context context;
155 krb5_error_code ret;
156 int i, enciter, s2kiter;
157 int optidx = 0;
158 krb5_salt salt;
159
160 krb5_enctype enctypes[] = {
161 ETYPE_DES_CBC_CRC,
162 ETYPE_DES3_CBC_SHA1,
163 ETYPE_ARCFOUR_HMAC_MD5,
164 ETYPE_AES128_CTS_HMAC_SHA1_96,
165 ETYPE_AES256_CTS_HMAC_SHA1_96
166 };
167
168 setprogname(argv[0]);
169
170 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
171 usage(1);
172
173 if (help_flag)
174 usage (0);
175
176 if(version_flag){
177 print_version(NULL);
178 exit(0);
179 }
180
181 salt.salttype = KRB5_PW_SALT;
182 salt.saltvalue.data = NULL;
183 salt.saltvalue.length = 0;
184
185 ret = krb5_init_context(&context);
186 if (ret)
187 errx (1, "krb5_init_context failed: %d", ret);
188
189 enciter = 1000;
190 s2kiter = 100;
191
192 for (i = 0; i < sizeof(enctypes)/sizeof(enctypes[0]); i++) {
193
194 krb5_enctype_enable(context, enctypes[i]);
195
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);
205
206 time_s2k(context, enctypes[i], "mYsecreitPassword", salt, s2kiter);
207 }
208
209 krb5_free_context(context);
210
211 return 0;
212 }
213