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Modified test sketch to use built-in random() function, and made it loop forever.

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This commit is contained in:
Ken MacKay
2014-03-07 23:23:36 -08:00
parent be3731636f
commit 912c376929
1 changed files with 32 additions and 12 deletions
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ecc_test/ecc_test.ino
+32 -12
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@@ -15,19 +15,38 @@
#include <ecc.h>
extern "C" {
static int RNG(uint8_t *p_dest, unsigned p_size)
{
while(p_size) {
long v = random();
unsigned l_amount = min(p_size, sizeof(long));
memcpy(p_dest, &v, l_amount);
p_size -= l_amount;
p_dest += l_amount;
}
return 1;
}
}
void setup() {
Scout.setup();
uint8_t l_private1[ECC_BYTES];
uint8_t l_private2[ECC_BYTES];
uint8_t l_public1[ECC_BYTES * 2];
uint8_t l_public2[ECC_BYTES * 2];
uint8_t l_secret1[ECC_BYTES];
uint8_t l_secret2[ECC_BYTES];
Serial.print("Testing ecc\n");
Scout.setup();
uint8_t l_private1[ECC_BYTES];
uint8_t l_private2[ECC_BYTES];
uint8_t l_public1[ECC_BYTES * 2];
uint8_t l_public2[ECC_BYTES * 2];
uint8_t l_secret1[ECC_BYTES];
uint8_t l_secret2[ECC_BYTES];
Serial.print("Testing ecc\n");
ecc_set_rng(&RNG);
for(;;) {
unsigned long a = millis();
ecc_make_key(l_public1, l_private1);
unsigned long b = millis();
@@ -78,6 +97,7 @@ void setup() {
{
Serial.print("Shared secrets are identical\n");
}
}
}
void loop() {