A User Centric Security Model for Tamper-Resistant Devices

C.11 Implementation Helper Classes
26 ( byte ) 0xB0 , ( byte ) 0xFF , ( byte ) 0x00 , ( byte ) 0x00 , ( byte ) 0x01 ,
( byte ) 0xAA} ;
27 private s t a t i c CommandAPDU SELECT_APDU = new CommandAPDU
28 (CMD_APPLICATION_SELECT) ;
29 private s t a t i c CommandAPDU Application_INITIALISATION = new CommandAPDU
30 (CMD_APPLICATION_INITIALISATION) ;
31 byte [ ] r e s p o n s e ;
32 public Terminal ( ) {}
33 public void TerminalConnection ( ) {
34 try {
35 l i s t T e r m i n a l = myCardTerminals . l i s t ( ) ;
36 } catch ( Exception e ) {
37 System . out . p r i n t l n ( " Error L i s t i n g Attached Terminals : " +
e . t o S t r i n g ( ) ) ;
38 }
39 L i s t I t e r a t o r t e r m i n a l I t e r a t o r = l i s t T e r m i n a l . l i s t I t e r a t o r ( ) ;
40 while ( t e r m i n a l I t e r a t o r . hasNext ( ) ) {
41 t e r m i n a l I t e r a t o r . next ( ) ;
42 }
43 myCardTerminal = myCardTerminals . getTerminal ( "OMNIKEY CardMan 3x21
0" ) ;
44 try {
45 try {
46 myCard = myCardTerminal . connect ( "T=1" ) ;
47 } catch ( Exception e ) {
48 System . out . p r i n t l n ( " Terminal Disconnected " ) ;
49 }
50 myCardChannel = myCard . getBasicChannel ( ) ;
51 i f ( ResponseTest ( myCardChannel . transmit (SELECT_APDU) ) ) {}
52 else {
53 System . out . p r i n t l n ( " A p p l i c a t i o n Not S e l e c t e d " ) ;
54 }
55 } catch ( Exception eX) {
56 System . out . p r i n t l n ( " Error " + eX . g e t C l a s s ( ) + "\n" +
eX . getMessage ( ) ) ;
57 }
58 }
59 private boolean ResponseTest ( ResponseAPDU resAPDU) {
60 byte [ ] t e s t B y t e s = resAPDU . getBytes ( ) ;
61 return ( t e s t B y t e s [ t e s t B y t e s . l e n g t h − 2 ] == ( byte ) 0x90 &&
62 t e s t B y t e s [ t e s t B y t e s . l e n g t h − 1 ] == ( byte ) 0x00 ) ;
63 }
64 public s t a t i c S t r i n g byteToString ( byte [ ] inArray ) {
65 byte [ ] HEX_CHAR_TABLE = {
66 ( byte ) ' 0 ' , ( byte ) ' 1 ' , ( byte ) ' 2 ' , ( byte ) ' 3 ' , ( byte ) ' 4 ' , ( byte ) ' 5 ' ,
( byte )
67 ' 6 ' , ( byte ) ' 7 ' , ( byte ) ' 8 ' , ( byte ) ' 9 ' , ( byte ) ' a ' , ( byte ) ' b ' ,
( byte ) ' c ' ,
68 ( byte ) ' d ' , ( byte ) ' e ' , ( byte ) ' f '
69 } ;
70 byte [ ] hex = new byte [ 2 ∗ inArray . l e n g t h ] ;
440