Add test sketch.

2026-09-14 21:20:09 +00:00 · 2014-03-04 00:33:08 -08:00
parent 7a5253f593
commit 412ace6b61
1 changed files with 86 additions and 0 deletions
@@ -0,0 +1,86 @@
+#include <j0g.h>
+#include <js0n.h>
+
+#include <lwm.h>
+
+#include <bitlash.h>
+
+#include <GS.h>
+
+#include <SPI.h>
+#include <Wire.h>
+#include <Scout.h>
+#include <Shell.h>
+
+
+#include <ecc.h>
+
+void setup() {
+    Scout.setup();
+    uint8_t l_private1[ECC_BYTES];
+    uint8_t l_private2[ECC_BYTES];
+    
+    uint8_t l_public1[ECC_BYTES + 1];
+    uint8_t l_public2[ECC_BYTES + 1];
+    
+    uint8_t l_secret1[ECC_BYTES];
+    uint8_t l_secret2[ECC_BYTES];
+    
+    Serial.print("Testing ecc\n");
+    
+    unsigned long a = millis();
+    ecc_make_key(l_public1, l_private1);
+    unsigned long b = millis();
+    
+    Serial.print("Made key 1 in "); Serial.println(b-a);
+    a = millis();
+    ecc_make_key(l_public2, l_private2);
+    b = millis();
+    Serial.print("Made key 2 in "); Serial.println(b-a);
+
+    a = millis();
+    int r = ecdh_shared_secret(l_public2, l_private1, l_secret1);
+    b = millis();
+    Serial.print("Shared secret 1 in "); Serial.println(b-a);
+    if(!r)
+    {
+        Serial.print("shared_secret() failed (1)\n");
+        return;
+    }
+
+    a = millis();
+    r = ecdh_shared_secret(l_public1, l_private2, l_secret2);
+    b = millis();
+    Serial.print("Shared secret 2 in "); Serial.println(b-a);
+    if(!r)
+    {
+        Serial.print("shared_secret() failed (2)\n");
+        return;
+    }
+    
+    if(memcmp(l_secret1, l_secret2, sizeof(l_secret1)) != 0)
+    {
+        Serial.print("Shared secrets are not identical!\n");
+        /*printf("Shared secret 1 = ");
+        vli_print(l_secret1, ECC_BYTES);
+        printf("\n");
+        printf("Shared secret 2 = ");
+        vli_print(l_secret2, ECC_BYTES);
+        printf("\n");
+        printf("Private key 1 = ");
+        vli_print(l_private1, ECC_BYTES);
+        printf("\n");
+        printf("Private key 2 = ");
+        vli_print(l_private2, ECC_BYTES);
+        printf("\n");*/
+    }
+    else
+    {
+        Serial.print("Shared secrets are identical\n");
+    }
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+
+}