secureId: simplify code

Author: pennam

src/secureId.cpp

@@ -9,7 +9,6 @@
 */
 
 #include "secureId.h"
-#include <Arduino_HEX.h>
 
 bool secureId::begin() {
     return !!_se.begin();
@@ -24,7 +23,7 @@ bool secureId::get(uint8_t *in, uint32_t size) {
     if (size < CRYPTO_SN_SIZE) {
         return false;
     }
-    if (!THEXT::decode((_se.serialNumber()).substring(0, CRYPTO_SN_SIZE*2), in, size)) {
+    if (!_se.serialNumber(in, size)) {
         return false;
     }
     return true;

src/secureId.h

@@ -17,19 +17,15 @@
       defined(ARDUINO_SAMD_MKRWAN1300)     || \
       defined(ARDUINO_SAMD_MKRWAN1310)     || \
       defined(ARDUINO_SAMD_MKRNB1500)      || \
-      defined(ARDUINO_SAMD_MKR1000)        || \
       defined(ARDUINO_PORTENTA_H7_M7)      || \
+      defined(ARDUINO_SAMD_MKR1000)        || \
+      defined(ARDUINO_PORTENTA_C33)        || \
+      defined(ARDUINO_NICLA_VISION)        || \
+      defined(ARDUINO_UNOR4_WIFI)          || \
       defined(ARDUINO_OPTA)                || \
       defined(ARDUINO_GIGA)
     #include <Arduino_SecureElement.h>
-    #define CRYPTO_SN_SIZE 9
-#elif defined(ARDUINO_PORTENTA_C33)        || \
-      defined(ARDUINO_NICLA_VISION)
-    #include <Arduino_SecureElement.h>
-    #define CRYPTO_SN_SIZE 18
-#elif defined(ARDUINO_UNOR4_WIFI)
-    #include <Arduino_SecureElement.h>
-    #define CRYPTO_SN_SIZE 6
+    #define CRYPTO_SN_SIZE SE_SN_LENGTH
 #else
     #define CRYPTO_SN_SIZE 0
 #endif