/*
* Copyright (C) 2014-2016 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/*
* Portions copyright (c) 2008 Nominet UK. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* $Id$ */
/* random [-m module] [-s $slot] [-n count] */
/*! \file */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <isc/commandline.h>
#include <isc/print.h>
#include <isc/result.h>
#include <isc/types.h>
#include <isc/util.h>
#include <pk11/pk11.h>
#include <pk11/result.h>
#ifndef HAVE_CLOCK_GETTIME
#include <sys/time.h>
#ifndef CLOCK_REALTIME
#define CLOCK_REALTIME 0
#endif
static int clock_gettime(int32_t id, struct timespec *tp);
static int
clock_gettime(int32_t id, struct timespec *tp)
{
struct timeval tv;
int result;
UNUSED(id);
result = gettimeofday(&tv, NULL);
if (result)
return (result);
tp->tv_sec = tv.tv_sec;
tp->tv_nsec = (long) tv.tv_usec * 1000;
return (result);
}
#endif
CK_BYTE buf[1024];
int
main(int argc, char *argv[]) {
isc_result_t result;
CK_RV rv;
CK_SLOT_ID slot = 0;
CK_SESSION_HANDLE hSession = CK_INVALID_HANDLE;
CK_ULONG len = sizeof(buf);
pk11_context_t pctx;
pk11_optype_t op_type = OP_RAND;
char *lib_name = NULL;
int error = 0;
int c, errflg = 0;
unsigned int count = 1000;
unsigned int i;
struct timespec starttime;
struct timespec endtime;
while ((c = isc_commandline_parse(argc, argv, ":m:s:n:")) != -1) {
switch (c) {
case 'm':
lib_name = isc_commandline_argument;
break;
case 's':
slot = atoi(isc_commandline_argument);
op_type = OP_ANY;
break;
case 'n':
count = atoi(isc_commandline_argument);
break;
case ':':
fprintf(stderr,
"Option -%c requires an operand\n",
isc_commandline_option);
errflg++;
break;
case '?':
default:
fprintf(stderr, "Unrecognised option: -%c\n",
isc_commandline_option);
errflg++;
}
}
if (errflg) {
fprintf(stderr, "Usage:\n");
fprintf(stderr,
"\trandom [-m module] [-s slot] [-n count]\n");
exit(1);
}
pk11_result_register();
/* Initialize the CRYPTOKI library */
if (lib_name != NULL)
pk11_set_lib_name(lib_name);
result = pk11_get_session(&pctx, op_type, ISC_FALSE, ISC_FALSE,
ISC_FALSE, NULL, slot);
if ((result != ISC_R_SUCCESS) &&
(result != PK11_R_NODIGESTSERVICE) &&
(result != PK11_R_NOAESSERVICE)) {
fprintf(stderr, "Error initializing PKCS#11: %s\n",
isc_result_totext(result));
exit(1);
}
hSession = pctx.session;
if (clock_gettime(CLOCK_REALTIME, &starttime) < 0) {
perror("clock_gettime(start)");
goto exit_session;
}
for (i = 0; i < count; i++) {
/* Get random bytes */
rv = pkcs_C_GenerateRandom(hSession, buf, len);
if (rv != CKR_OK) {
fprintf(stderr,
"C_GenerateRandom[%u]: Error = 0x%.8lX\n",
i, rv);
error = 1;
break;
}
}
if (clock_gettime(CLOCK_REALTIME, &endtime) < 0) {
perror("clock_gettime(end)");
goto exit_session;
}
endtime.tv_sec -= starttime.tv_sec;
endtime.tv_nsec -= starttime.tv_nsec;
while (endtime.tv_nsec < 0) {
endtime.tv_sec -= 1;
endtime.tv_nsec += 1000000000;
}
printf("%uK random bytes in %ld.%09lds\n", i,
endtime.tv_sec, endtime.tv_nsec);
if (i > 0)
printf("%g random bytes/s\n",
1024 * i / ((double) endtime.tv_sec +
(double) endtime.tv_nsec / 1000000000.));
exit_session:
pk11_return_session(&pctx);
(void) pk11_finalize();
exit(error);
}