Add ECDSA test for Arduino

test/ecdsa_test/ecdsa_test.ino

@@ -0,0 +1,94 @@
+#include <uECC.h>
+
+#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 <uECC.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 px(uint8_t *v, uint8_t num)
+{
+  uint8_t i;
+  for(i=0; i<num; ++i)
+  {
+    Serial.print(v[i]); Serial.print(" ");
+  }
+  Serial.println();
+}
+
+}
+
+void setup() {
+  Scout.setup();
+  uint8_t l_private[uECC_BYTES];
+  
+  uint8_t l_public[uECC_BYTES * 2];
+
+  uint8_t l_hash[uECC_BYTES];
+  uint8_t l_sig[uECC_BYTES*2];
+  
+  Serial.print("Testing ECDSA\n");
+  
+  uECC_set_rng(&RNG);
+  
+  for(;;) {
+    unsigned long a = millis();
+    if(!uECC_make_key(l_public, l_private))
+    {
+      Serial.println("uECC_make_key() failed");
+      continue;
+    }
+    unsigned long b = millis();
+    
+    Serial.print("Made key 1 in "); Serial.println(b-a);
+    memcpy(l_hash, l_public, uECC_BYTES);
+    
+    a = millis();
+    if(!uECC_sign(l_private, l_hash, l_sig))
+    {
+      Serial.println("uECC_sign() failed\n");
+      continue;
+    }
+    b = millis();
+    Serial.print("ECDSA sign in "); Serial.println(b-a);
+    
+    a = millis();
+    if(!uECC_verify(l_public, l_hash, l_sig))
+    {
+      Serial.println("uECC_verify() failed\n");
+      continue;
+    }
+    b = millis();
+    Serial.print("ECDSA verify in "); Serial.println(b-a);
+  }
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+
+}