A User Centric Security Model for Tamper-Resistant Devices

C.6 Application Acquisition and Contractual Agreement Protocol
424 }
425 try {
426 this . myProtocolHelperObject . GenerateMac ( macInputValue , 0 ,
427 macInputValue . length , this . mySessionEncryptionKey , 0 , keyGenKey ) ;
428 } catch ( Exception cE ) {
429 System . out . p r i n t l n ( " Exception at ProtocolHandler . GenerateKeys : " +
430 cE . g e t C l a s s ( ) . getName ( ) ) ;
431 }
432 for ( int i = 4 8 ; i < 6 4 ; i ++) {
433 macInputValue [ i ] = ( byte ) 0x03 ;
434 }
435 try {
436 this . myProtocolHelperObject . GenerateMac ( macInputValue , 0 ,
437 macInputValue . length , this . mySessionMacKey , 0 , keyGenKey ) ;
438 } catch ( Exception cE ) {
439 System . out . p r i n t l n ( " Exception at ProtocolHandler . GenerateKeys : " +
440 cE . g e t C l a s s ( ) . getName ( ) ) ;
441 }
442 }
443 }
C.6.3
Administrative Authority Implementation
Below is the code related to the administrative authority's implementation for the STCP ACA .
1 package ACAPTerminal ;
2
3 import java . math . B i g I n t e g e r ;
4 import java . s e c u r i t y . ∗ ;
5 import java . s e c u r i t y . i n t e r f a c e s . RSAPublicKey ;
6 import java . s e c u r i t y . spec . RSAPublicKeySpec ;
7 import java . u t i l . Arrays ;
8 public class TSMProtocolHandler {
9 private byte [ ] AppAct = {
10 ( byte ) 0x7d , ( byte ) 0xD5 , ( byte ) 0xB7 , ( byte ) 0xD0 , ( byte ) 0xB6 , ( byte )
11 0xC1 , ( byte ) 0x2e , ( byte ) 0x07 , ( byte ) 0xe9 , ( byte ) 0x69 , ( byte ) 0x8D ,
12 ( byte ) 0x11 , ( byte ) 0xB6 , ( byte ) 0xC1 , ( byte ) 0x2e , ( byte ) 0x07 ,
13 ( byte ) 0xe9 , ( byte ) 0x69 , } ;
14 private byte [ ] AppActTag = {
15 ( byte ) 0x9A , ( byte ) 0x9B } ;
16 private byte [ ] CardIDTag = {
17 ( byte ) 0x5F , ( byte ) 0x05 } ;
18 private byte [ ] EncryptedDataTag = {
19 ( byte ) 0xFE , ( byte ) 0x01 } ;
20 private byte [ ] LongTermEncryptionKey = new byte [ 1 6 ] ;
21 private byte [ ] LongTermMacKey = new byte [ 1 6 ] ;
22 private byte [ ] MACedDataTag = {
23 ( byte ) 0x5D , ( byte ) 0x01 } ;
24 private byte [ ] MessageHandlerTSMSC = {
25 ( byte ) 0xF1 , ( byte ) 0xF1 } ;
26 private byte [ ] PublicExponentTag = {
27 ( byte ) 0xEE , ( byte ) 0x01 } ;
359