Merge pull request #571 from marceloaqno/dev-hwrandominit

Add random number initialization to MyHw layer

core/MyHwATMega328.h

@@ -63,6 +63,7 @@ do { 																\
 #define hwWatchdogReset() wdt_reset()
 #define hwReboot() wdt_enable(WDTO_15MS); while (1)
 #define hwMillis() millis()
+#define hwRandomNumberInit() randomSeed(analogRead(MY_SIGNING_SOFT_RANDOMSEED_PIN))
 #define hwReadConfig(__pos) (eeprom_read_byte((uint8_t*)(__pos)))
 
 #ifndef eeprom_update_byte

core/MyHwESP8266.h

@@ -37,8 +37,9 @@
 #define hwDigitalWrite(__pin, __value) (digitalWrite(__pin, __value))
 #define hwInit() MY_SERIALDEVICE.begin(MY_BAUD_RATE); MY_SERIALDEVICE.setDebugOutput(true)
 #define hwWatchdogReset() wdt_reset()
-#define hwReboot() ESP.restart();
+#define hwReboot() ESP.restart()
 #define hwMillis() millis()
+#define hwRandomNumberInit() randomSeed(analogRead(MY_SIGNING_SOFT_RANDOMSEED_PIN))
 
 void hwReadConfigBlock(void* buf, void* adr, size_t length);
 void hwWriteConfigBlock(void* buf, void* adr, size_t length);

core/MyHwSAMD.h

@@ -43,6 +43,7 @@ void hwInit();
 void hwWatchdogReset();
 void hwReboot();
 #define hwMillis() millis()
+#define hwRandomNumberInit() randomSeed(analogRead(MY_SIGNING_SOFT_RANDOMSEED_PIN))
 
 void hwReadConfigBlock(void* buf, void* adr, size_t length);
 void hwWriteConfigBlock(void* buf, void* adr, size_t length);

core/MySigningAtsha204Soft.cpp

@@ -92,7 +92,7 @@ static void DEBUG_SIGNING_PRINTBUF(const __FlashStringHelper* str, uint8_t* buf,
 
 void signerAtsha204SoftInit(void) {
 	// initialize pseudo-RNG
-	randomSeed(analogRead(MY_SIGNING_SOFT_RANDOMSEED_PIN));
+	hwRandomNumberInit();
 	// Set secrets
 	hwReadConfigBlock((void*)_signing_hmac_key, (void*)EEPROM_SIGNING_SOFT_HMAC_KEY_ADDRESS, 32);
 	hwReadConfigBlock((void*)_signing_node_serial_info, (void*)EEPROM_SIGNING_SOFT_SERIAL_ADDRESS, 9);