1 /* $NetBSD: random.c,v 1.1.1.4 2014/12/10 03:34:28 christos Exp $ */
2
3 /*
4 * Copyright (C) 2014 Internet Systems Consortium, Inc. ("ISC")
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
11 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
12 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
13 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
14 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
15 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16 * PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 /*
20 * Portions copyright (c) 2008 Nominet UK. All rights reserved.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the above copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
32 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
33 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
34 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
35 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
37 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
38 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
39 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
40 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 */
42
43 /* Id */
44
45 /* random [-m module] [-s $slot] [-n count] */
46
47 /*! \file */
48
49 #include <config.h>
50
51 #include <stdio.h>
52 #include <stdlib.h>
53 #include <string.h>
54 #include <time.h>
55 #include <unistd.h>
56
57 #include <isc/commandline.h>
58 #include <isc/result.h>
59 #include <isc/types.h>
60
61 #include <pk11/pk11.h>
62 #include <pk11/result.h>
63
64 #ifndef HAVE_CLOCK_GETTIME
65 #ifndef CLOCK_REALTIME
66 #define CLOCK_REALTIME 0
67 #endif
68
69 int
clock_gettime(int32_t id,struct timespec * tp)70 clock_gettime(int32_t id, struct timespec *tp)
71 {
72 struct timeval tv;
73 int result;
74
75 result = gettimeofday(&tv, NULL);
76 if (result)
77 return (result);
78 tp->tv_sec = tv.tv_sec;
79 tp->tv_nsec = (long) tv.tv_usec * 1000;
80 return (result);
81 }
82 #endif
83
84 CK_BYTE buf[1024];
85
86 int
main(int argc,char * argv[])87 main(int argc, char *argv[]) {
88 isc_result_t result;
89 CK_RV rv;
90 CK_SLOT_ID slot = 0;
91 CK_SESSION_HANDLE hSession = CK_INVALID_HANDLE;
92 CK_ULONG len = sizeof(buf);
93 pk11_context_t pctx;
94 pk11_optype_t op_type = OP_RAND;
95 char *lib_name = NULL;
96 int error = 0;
97 int c, errflg = 0;
98 unsigned int count = 1000;
99 unsigned int i;
100 struct timespec starttime;
101 struct timespec endtime;
102
103 while ((c = isc_commandline_parse(argc, argv, ":m:s:n:")) != -1) {
104 switch (c) {
105 case 'm':
106 lib_name = isc_commandline_argument;
107 break;
108 case 's':
109 slot = atoi(isc_commandline_argument);
110 op_type = OP_ANY;
111 break;
112 case 'n':
113 count = atoi(isc_commandline_argument);
114 break;
115 case ':':
116 fprintf(stderr,
117 "Option -%c requires an operand\n",
118 isc_commandline_option);
119 errflg++;
120 break;
121 case '?':
122 default:
123 fprintf(stderr, "Unrecognised option: -%c\n",
124 isc_commandline_option);
125 errflg++;
126 }
127 }
128
129 if (errflg) {
130 fprintf(stderr, "Usage:\n");
131 fprintf(stderr,
132 "\trandom [-m module] [-s slot] [-n count]\n");
133 exit(1);
134 }
135
136 pk11_result_register();
137
138 /* Initialize the CRYPTOKI library */
139 if (lib_name != NULL)
140 pk11_set_lib_name(lib_name);
141
142 result = pk11_get_session(&pctx, op_type, ISC_FALSE, ISC_FALSE,
143 ISC_FALSE, NULL, slot);
144 if ((result != ISC_R_SUCCESS) &&
145 (result != PK11_R_NODIGESTSERVICE) &&
146 (result != PK11_R_NOAESSERVICE)) {
147 fprintf(stderr, "Error initializing PKCS#11: %s\n",
148 isc_result_totext(result));
149 exit(1);
150 }
151
152 hSession = pctx.session;
153
154 if (clock_gettime(CLOCK_REALTIME, &starttime) < 0) {
155 perror("clock_gettime(start)");
156 goto exit_session;
157 }
158
159 for (i = 0; i < count; i++) {
160 /* Get random bytes */
161 rv = pkcs_C_GenerateRandom(hSession, buf, len);
162 if (rv != CKR_OK) {
163 fprintf(stderr,
164 "C_GenerateRandom[%u]: Error = 0x%.8lX\n",
165 i, rv);
166 error = 1;
167 break;
168 }
169 }
170
171 if (clock_gettime(CLOCK_REALTIME, &endtime) < 0) {
172 perror("clock_gettime(end)");
173 goto exit_session;
174 }
175
176 endtime.tv_sec -= starttime.tv_sec;
177 endtime.tv_nsec -= starttime.tv_nsec;
178 while (endtime.tv_nsec < 0) {
179 endtime.tv_sec -= 1;
180 endtime.tv_nsec += 1000000000;
181 }
182 printf("%uK random bytes in %ld.%09lds\n", i,
183 endtime.tv_sec, endtime.tv_nsec);
184 if (i > 0)
185 printf("%g random bytes/s\n",
186 1024 * i / ((double) endtime.tv_sec +
187 (double) endtime.tv_nsec / 1000000000.));
188
189 exit_session:
190 pk11_return_session(&pctx);
191 (void) pk11_finalize();
192
193 exit(error);
194 }
195