int encrypt_data(struct session_op *sess, int fdc, int chunksize, int alignmask)
{
struct crypt_op cop;
char *buffer, iv[32];
static int val = 23;
struct timeval start, end;
double total = 0;
double secs, ddata, dspeed;
char metric[16];
if (alignmask) {
if (posix_memalign((void **)&buffer, MAX(alignmask + 1, sizeof(void*)), chunksize)) {
printf("posix_memalign() failed! (mask %x, size: %d)\n", alignmask+1, chunksize);
return 1;
}
} else {
if (!(buffer = malloc(chunksize))) {
perror("malloc()");
return 1;
}
}
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 {
memset(&cop, 0, sizeof(cop));
cop.ses = sess->ses;
cop.len = chunksize;
cop.iv = (unsigned char *)iv;
cop.op = COP_ENCRYPT;
cop.src = cop.dst = (unsigned char *)buffer;
if (ioctl(fdc, CIOCCRYPT, &cop)) {
perror("ioctl(CIOCCRYPT)");
return 1;
}
total+=chunksize;
} while(must_finish==0);
gettimeofday(&end, NULL);
secs = udifftimeval(start, end)/ 1000000.0;
value2human(si, total, secs, &ddata, &dspeed, metric);
printf ("done. %.2f %s in %.2f secs: ", ddata, metric, secs);
printf ("%.2f %s/sec\n", dspeed, metric);
free(buffer);
return 0;
}
static void
mac_bench (int algo, int size)
{
void *_key;
struct timespec start, stop;
double secs;
double data_size = 0;
double ddata, dspeed;
int blocksize = gnutls_hmac_get_len (algo);
char metric[16];
_key = malloc (blocksize);
if (_key == NULL)
return;
memset (_key, 0xf0, blocksize);
printf ("Checking %s (%dkb payload)... ", gnutls_mac_get_name (algo), size);
fflush (stdout);
must_finish = 0;
alarm (5);
gettime (&start);
do
{
gnutls_hmac_fast (algo, _key, blocksize, data, size * 1024, _key);
data_size += size * 1024;
}
while (must_finish == 0);
gettime (&stop);
secs =
(stop.tv_sec * 1000 + stop.tv_nsec / (1000 * 1000) -
(start.tv_sec * 1000 + start.tv_nsec / (1000 * 1000)));
secs /= 1000;
value2human (data_size, secs, &ddata, &dspeed, metric);
printf ("Hashed %.2f %s in %.2f secs: ", ddata, metric, secs);
printf ("%.2f %s/sec\n", dspeed, metric);
free (_key);
}
/* returns the elapsed time */
double stop_benchmark(struct benchmark_st * st, const char* metric)
{
double secs;
unsigned long lsecs;
struct timespec stop;
double dspeed, ddata;
char imetric[16];
#if defined(_WIN32)
if (st->wtimer != NULL)
CloseHandle (st->wtimer);
if (st->wthread != NULL)
CloseHandle (st->wthread);
#else
signal(SIGALRM, st->old_handler);
#endif
gettime (&stop);
lsecs = (stop.tv_sec * 1000 + stop.tv_nsec / (1000 * 1000) -
(st->start.tv_sec * 1000 + st->start.tv_nsec / (1000 * 1000)));
secs = lsecs;
secs /= 1000;
if (metric == NULL)
{ /* assume bytes/sec */
value2human (st->size, secs, &ddata, &dspeed, imetric);
printf (" Processed %.2f %s in %.2f secs: ", ddata, imetric, secs);
printf ("%.2f %s/sec\n", dspeed, imetric);
}
else
{
ddata = (double) st->size;
dspeed = ddata / secs;
printf (" Processed %.2f %s in %.2f secs: ", ddata, metric, secs);
printf ("%.2f %s/sec\n", dspeed, metric);
}
return secs;
}
int encrypt_data(struct session_op *sess, int fdc, int chunksize, int alignmask)
{
struct crypt_op cop;
char *buffer[64], iv[32];
static int val = 23;
struct timeval start, end;
double total = 0;
double secs, ddata, dspeed;
char metric[16];
int rc, wqueue = 0, bufidx = 0;
memset(iv, 0x23, 32);
printf("\tEncrypting in chunks of %d bytes: ", chunksize);
fflush(stdout);
for (rc = 0; rc < 64; rc++) {
if (alignmask) {
if (posix_memalign((void **)(buffer + rc), alignmask + 1, chunksize)) {
printf("posix_memalign() failed!\n");
return 1;
}
} else {
if (!(buffer[rc] = malloc(chunksize))) {
perror("malloc()");
return 1;
}
}
memset(buffer[rc], val++, chunksize);
}
pfd.fd = fdc;
pfd.events = POLLOUT | POLLIN;
must_finish = 0;
alarm(5);
gettimeofday(&start, NULL);
do {
if ((rc = poll(&pfd, 1, 100)) < 0) {
if (errno & (ERESTART | EINTR))
continue;
fprintf(stderr, "errno = %d ", errno);
perror("poll()");
return 1;
}
if (pfd.revents & POLLOUT) {
memset(&cop, 0, sizeof(cop));
cop.ses = sess->ses;
cop.len = chunksize;
cop.iv = (unsigned char *)iv;
cop.op = COP_ENCRYPT;
cop.src = cop.dst = (unsigned char *)buffer[bufidx];
bufidx = (bufidx + 1) % 64;
if (ioctl(fdc, CIOCASYNCCRYPT, &cop)) {
perror("ioctl(CIOCASYNCCRYPT)");
return 1;
}
wqueue++;
}
if (pfd.revents & POLLIN) {
if (ioctl(fdc, CIOCASYNCFETCH, &cop)) {
perror("ioctl(CIOCASYNCFETCH)");
return 1;
}
wqueue--;
total += cop.len;
}
} while(!must_finish || wqueue);
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);
for (rc = 0; rc < 64; rc++)
free(buffer[rc]);
return 0;
}
static void
cipher_bench (int algo, int size)
{
int ret;
gnutls_cipher_hd_t ctx;
void *_key, *_iv;
gnutls_datum_t key, iv;
struct timespec start, stop;
double secs;
double data_size = 0;
double dspeed, ddata;
int blocksize = gnutls_cipher_get_block_size (algo);
int keysize = gnutls_cipher_get_key_size (algo);
char metric[16];
_key = malloc (keysize);
if (_key == NULL)
return;
memset (_key, 0xf0, keysize);
_iv = malloc (blocksize);
if (_iv == NULL)
return;
memset (_iv, 0xf0, blocksize);
iv.data = _iv;
iv.size = blocksize;
key.data = _key;
key.size = keysize;
printf ("Checking %s (%dkb payload)... ", gnutls_cipher_get_name (algo),
size);
fflush (stdout);
must_finish = 0;
alarm (5);
gettime (&start);
ret = gnutls_cipher_init (&ctx, algo, &key, &iv);
if (ret < 0)
{
fprintf (stderr, "error: %s\n", gnutls_strerror (ret));
goto leave;
}
do
{
gnutls_cipher_encrypt (ctx, data, size * 1024);
data_size += size * 1024;
}
while (must_finish == 0);
gnutls_cipher_deinit (ctx);
gettime (&stop);
secs = (stop.tv_sec * 1000 + stop.tv_nsec / (1000 * 1000) -
(start.tv_sec * 1000 + start.tv_nsec / (1000 * 1000)));
secs /= 1000;
value2human (data_size, secs, &ddata, &dspeed, metric);
printf ("Encrypted %.2f %s in %.2f secs: ", ddata, metric, secs);
printf ("%.2f %s/sec\n", dspeed, metric);
leave:
free (_key);
free (_iv);
}
