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/* cryptodev_test - simple benchmark tool for cryptodev
*
* Copyright (C) 2010 by Phil Sutter <phil.sutter@viprinet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <signal.h>
#include <unistd.h>
#include <linux/netlink.h>
#include "../ncr.h"
#include "utils.h"
#define ALG_AES_CBC "cbc(aes)"
static double udifftimeval(struct timeval start, struct timeval end)
{
return (double)(end.tv_usec - start.tv_usec) +
(double)(end.tv_sec - start.tv_sec) * 1000 * 1000;
}
static int must_finish = 0;
static void alarm_handler(int signo)
{
must_finish = 1;
}
static void value2human(double bytes, double time, double *data, double *speed,
char *metric)
{
if (bytes > 1000 && bytes < 1000 * 1000) {
*data = ((double)bytes) / 1000;
*speed = *data / time;
strcpy(metric, "Kb");
return;
} else if (bytes >= 1000 * 1000 && bytes < 1000 * 1000 * 1000) {
*data = ((double)bytes) / (1000 * 1000);
*speed = *data / time;
strcpy(metric, "Mb");
return;
} else if (bytes >= 1000 * 1000 * 1000) {
*data = ((double)bytes) / (1000 * 1000 * 1000);
*speed = *data / time;
strcpy(metric, "Gb");
return;
} else {
*data = (double)bytes;
*speed = *data / time;
strcpy(metric, "bytes");
return;
}
}
int encrypt_data_ncr_direct(int cfd, const char *algo, int chunksize)
{
char *buffer, iv[32];
static int val = 23;
struct timeval start, end;
double total = 0;
double secs, ddata, dspeed;
char metric[16];
ncr_key_t key;
NCR_STRUCT(ncr_key_generate) kgen;
NCR_STRUCT(ncr_session_once) op;
struct nlattr *nla;
size_t algo_size;
algo_size = strlen(algo) + 1;
key = ioctl(cfd, NCRIO_KEY_INIT);
if (key == -1) {
fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
perror("ioctl(NCRIO_KEY_INIT)");
return 1;
}
nla = NCR_INIT(kgen);
kgen.f.key = key;
ncr_put_string(&nla, NCR_ATTR_ALGORITHM, ALG_AES_CBC);
ncr_put_u32(&nla, NCR_ATTR_SECRET_KEY_BITS, 128); /* 16 bytes */
NCR_FINISH(kgen, nla);
if (ioctl(cfd, NCRIO_KEY_GENERATE, &kgen)) {
fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
perror("ioctl(NCRIO_KEY_GENERATE)");
return 1;
}
buffer = malloc(chunksize);
memset(iv, 0x23, 32);
printf("\tEncrypting in chunks of %d bytes: ", chunksize);
fflush(stdout);
memset(buffer, val++, chunksize);
must_finish = 0;
alarm(5);
gettimeofday(&start, NULL);
do {
size_t output_size;
nla = NCR_INIT(op);
op.f.op = NCR_OP_ENCRYPT;
ncr_put_u32(&nla, NCR_ATTR_KEY, key);
ncr_put_session_input_data(&nla, NCR_ATTR_UPDATE_INPUT_DATA,
buffer, chunksize);
ncr_put_session_output_buffer(&nla,
NCR_ATTR_UPDATE_OUTPUT_BUFFER,
buffer, chunksize, &output_size);
ncr_put(&nla, NCR_ATTR_IV, NULL, 0);
ncr_put(&nla, NCR_ATTR_ALGORITHM, algo, algo_size);
NCR_FINISH(op, nla);
if (ioctl(cfd, NCRIO_SESSION_ONCE, &op)) {
fprintf(stderr, "Error: %s:%d\n", __func__, __LINE__);
perror("ioctl(NCRIO_SESSION_ONCE)");
return 1;
}
total += chunksize;
} while (must_finish == 0);
gettimeofday(&end, NULL);
secs = udifftimeval(start, end) / 1000000.0;
value2human(total, secs, &ddata, &dspeed, metric);
printf("done. %.2f %s in %.2f secs: ", ddata, metric, secs);
printf("%.2f %s/sec\n", dspeed, metric);
return 0;
}
int main(void)
{
int fd, i;
signal(SIGALRM, alarm_handler);
if ((fd = open("/dev/crypto", O_RDWR, 0)) < 0) {
perror("open()");
return 1;
}
fprintf(stderr, "\nTesting NCR-DIRECT with NULL cipher: \n");
for (i = 256; i <= (64 * 1024); i *= 2) {
if (encrypt_data_ncr_direct(fd, "ecb(cipher_null)", i))
break;
}
fprintf(stderr, "\nTesting NCR-DIRECT with AES-128-CBC cipher: \n");
for (i = 256; i <= (64 * 1024); i *= 2) {
if (encrypt_data_ncr_direct(fd, "cbc(aes)", i))
break;
}
close(fd);
return 0;
}
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