patch spurious select issue

see Toporin/SatochipApplet#11

src/org/seedkeeper/applet/SeedKeeper.java

@@ -77,8 +77,9 @@ public class SeedKeeper extends javacard.framework.Applet {
      * APPLET VERSION:   changes with no impact on compatibility of the client
      */
     // 0.1-0.1: initial version
+    // 0.2-0.1: WIP
     private final static byte PROTOCOL_MAJOR_VERSION = (byte) 0; 
-    private final static byte PROTOCOL_MINOR_VERSION = (byte) 1;
+    private final static byte PROTOCOL_MINOR_VERSION = (byte) 2;
     private final static byte APPLET_MAJOR_VERSION = (byte) 0;
     private final static byte APPLET_MINOR_VERSION = (byte) 1;   
 
@@ -609,7 +610,8 @@ public void process(APDU apdu) {
         byte[] buffer = apdu.getBuffer();
         // check SELECT APDU command
         if ((buffer[ISO7816.OFFSET_CLA] == 0) && (buffer[ISO7816.OFFSET_INS] == (byte) 0xA4))
-            return;
+            ISOException.throwIt(ISO7816.SW_FILE_NOT_FOUND); // spurious select (see https://github.com/Toporin/SatochipApplet/issues/11)
+
         // verify the rest of commands have the
         // correct CLA byte, which specifies the
         // command structure