Merge branch 'master' into development

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

src/hsm/cmd_extras.c

@@ -36,6 +36,10 @@ int cmd_extras() {
         return SW_SECURITY_STATUS_NOT_SATISFIED();
     }
 #endif
+    //check button (if enabled)
+    if (wait_button_pressed() == true) { 
+        return SW_SECURE_MESSAGE_EXEC_ERROR();
+    }
     if (P1(apdu) == 0xA) { //datetime operations
         if (P2(apdu) != 0x0) {
             return SW_INCORRECT_P1P2();