enable msg to be either string or bytes

virtualsmartcard/src/vpicc/virtualsmartcard/VirtualSmartcard.py

@@ -504,7 +504,7 @@ class VirtualICC(object):
     def __sendToVPICC(self, msg):
         """ Send a message to the vpcd """
         if isinstance(msg, str):
-            self.sock.sendall(struct.pack('!H', len(msg)) + msg.encode())
+            self.sock.sendall(struct.pack('!H', len(msg)) + bytes(map(ord,msg)))
         else:
             self.sock.sendall(struct.pack('!H', len(msg)) + msg)
 

virtualsmartcard/src/vpicc/virtualsmartcard/cards/Relay.py

@@ -114,7 +114,10 @@ class RelayOS(SmartcardOS):
 
     def execute(self, msg):
         # sendCommandAPDU() expects a list of APDU bytes
+        if isinstance(msg,str):
             apdu = map(ord, msg)
+        else:
+            apdu = list(msg)
 
         try:
             rapdu, sw1, sw2 = self.session.sendCommandAPDU(apdu)