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reorganize code in speed tests

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This commit is contained in:
Pavol Rusnak 2013-08-21 14:49:36 +02:00
parent 0ed5bea0d0
commit 32c9ff72a5
2 changed files with 40 additions and 35 deletions
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48
speed-stm32/speed.c
View File

@ -197,39 +197,41 @@ static int cdcacm_control_request(usbd_device *usbd_dev, struct usb_setup_data *
return 0; return 0;
} }
void test_sign(void)
{
uint8_t sig[70], priv_key[32], msg[256];
uint32_t sig_len, i, msg_len;
// random message len between 1 and 256
msg_len = (random32() & 0xFF) + 1;
// create random message
for (i = 0; i < msg_len; i++) {
msg[i] = random32() & 0xFF;
}
// create random privkey
for (i = 0; i < 32; i++) {
priv_key[i] = random32() & 0xFF;
}
// use our ECDSA signer 10 times to sign the message with the key
for (i = 0; i < 10; i++) {
ecdsa_sign(priv_key, msg, msg_len, sig, &sig_len);
}
}
static void cdcacm_data_rx_cb(usbd_device *usbd_dev, uint8_t ep) static void cdcacm_data_rx_cb(usbd_device *usbd_dev, uint8_t ep)
{ {
(void)ep; (void)ep;
char buf[64]; char buf[64];
int len = usbd_ep_read_packet(usbd_dev, 0x01, buf, 64); int len = usbd_ep_read_packet(usbd_dev, 0x01, buf, 64);
if (len) { if (len) {
uint8_t sig[70], priv_key[32], msg[256];
uint32_t sig_len, i, msg_len;
// random message len between 1 and 256
msg_len = (random32() & 0xFF) + 1;
// create random message
for (i = 0; i < msg_len; i++) {
msg[i] = random32() & 0xFF;
}
// create random privkey
for (i = 0; i < 8; i++) {
uint32_t r = random32();
priv_key[4 * i ] = r & 0xFF;
priv_key[4 * i + 1] = (r >> 8) & 0xFF;
priv_key[4 * i + 2] = (r >> 16) & 0xFF;
priv_key[4 * i + 3] = (r >> 24) & 0xFF;
}
len = sprintf(buf, "Start\r\n"); len = sprintf(buf, "Start\r\n");
usbd_ep_write_packet(usbd_dev, 0x82, buf, len); usbd_ep_write_packet(usbd_dev, 0x82, buf, len);
test_sign();
// use our ECDSA signer 10 times to sign the message with the key
for (i = 0; i < 10; i++) {
ecdsa_sign(priv_key, msg, msg_len, sig, &sig_len);
}
len = sprintf(buf, "Done!\r\n"); len = sprintf(buf, "Done!\r\n");
usbd_ep_write_packet(usbd_dev, 0x82, buf, len); usbd_ep_write_packet(usbd_dev, 0x82, buf, len);
} }

27
test-speed.c
View File

@ -35,22 +35,25 @@ int main()
init_rand(); init_rand();
// random message len between 1 and 256
msg_len = (random32() & 0xFF) + 1;
// create random message
for (i = 0; i < msg_len; i++) {
msg[i] = random32() & 0xFF;
}
// create random privkey
for (i = 0; i < 8; i++) {
uint32_t r = random32();
priv_key[4 * i ] = r & 0xFF;
priv_key[4 * i + 1] = (r >> 8) & 0xFF;
priv_key[4 * i + 2] = (r >> 16) & 0xFF;
priv_key[4 * i + 3] = (r >> 24) & 0xFF;
}
clock_t t = clock(); clock_t t = clock();
for (;;) { for (;;) {
// random message len between 1 and 256
msg_len = (random32() & 0xFF) + 1;
// create random message
for (i = 0; i < msg_len; i++) {
msg[i] = random32() & 0xFF;
}
// create random privkey
for (i = 0; i < 32; i++) {
priv_key[i] = random32() & 0xFF;
}
// use our ECDSA signer to sign the message with the key // use our ECDSA signer to sign the message with the key
ecdsa_sign(priv_key, msg, msg_len, sig, &sig_len); ecdsa_sign(priv_key, msg, msg_len, sig, &sig_len);
cnt++; cnt++;
if ((cnt % 100) == 0) printf("Speed: %f sig/s\n", 1.0f * cnt / ((float)(clock() - t) / CLOCKS_PER_SEC)); if ((cnt % 100) == 0) printf("Speed: %f sig/s\n", 1.0f * cnt / ((float)(clock() - t) / CLOCKS_PER_SEC));
} }