A User Centric Security Model for Tamper-Resistant Devices

C.6 Application Acquisition and Contractual Agreement Protocol
813 private void shortToBytes ( byte [ ] Array , short a r r a y O f f s e t , short
inShort )
814 {
815 Array [ a r r a y O f f s e t ] = ( byte ) ( ( short ) ( inShort & ( short ) 0xFF00 ) >>
( short )
816 0 x0008 ) ;
817 Array [ ( short ) ( a r r a y O f f s e t + ( short ) 1) ] = ( byte ) ( inShort & ( short )
818 0x00FF ) ;
819 }
820 }
C.6.2
Service Provider Implementation
In this section, we detail the SP's implementation of the STCP ACA and the helper functions
utlised during the STCP SP are discussed in appendices C.11.1 and C.11.2.
1 package ACAPTerminal ;
2
3 import java . u t i l . Arrays ;
4 import java . s e c u r i t y . i n t e r f a c e s . RSAPublicKey ;
5 import javax . crypto . spec . SecretKeySpec ;
6 import java . s e c u r i t y . spec . RSAPublicKeySpec ;
7 import javax . crypto . ∗ ;
8 import java . s e c u r i t y . ∗ ;
9 import java . math . B i g I n t e g e r ;
10 public class S e r v i c e P r o v i d e r P r o t o c o l H a n d l e r {
11 private byte [ ] SPIdentity = {
12 ( byte ) 0xC5 , ( byte ) 0x7D , ( byte ) 0xB1 , ( byte ) 0x7C , ( byte ) 0x62 ,
13 ( byte ) 0x0A , ( byte ) 0x86 , ( byte ) 0x52 , ( byte ) 0xBE, ( byte ) 0x5E ,
14 ( byte ) 0x90 , ( byte ) 0x01 , ( byte ) 0xA8 , ( byte ) 0xD6 , ( byte ) 0x6A ,
15 ( byte ) 0xD7 , ( byte ) 0xB1 , ( byte ) 0x7C } ;
16 private byte [ ] AppIdentity = {
17 ( byte ) 0xC5 , ( byte ) 0x7D , ( byte ) 0xB1 , ( byte ) 0x7C , ( byte ) 0x62 ,
( byte ) 0x0A ,
18 ( byte ) 0x86 , ( byte ) 0x52 , ( byte ) 0xBE, ( byte ) 0x5E , ( byte ) 0x90 , ( byte )
19 0x01 , ( byte ) 0xA8 , ( byte ) 0xD6 , ( byte ) 0x6A , ( byte ) 0xD7 , ( byte ) 0xB1 ,
20 ( byte ) 0x7C , ( byte ) 0xA8 , ( byte ) 0xD6 , ( byte ) 0x6A , ( byte ) 0xD7 } ;
21 private byte [ ] SCIP = {
22 ( byte ) 0xC5 , ( byte ) 0x7D , ( byte ) 0xB1 , ( byte ) 0x7C } ;
23 private byte [ ] PlatformHashPreset = {
24 ( byte ) 0xBF , ( byte ) 0xE5 , ( byte ) 0x45 , ( byte ) 0x86 , ( byte ) 0x2C ,
( byte ) 0xA1 ,
25 ( byte ) 0x02 , ( byte ) 0xAD, ( byte ) 0x1E , ( byte ) 0xED, ( byte ) 0xDB, ( byte )
26 0x5F , ( byte ) 0xBF , ( byte ) 0xA5 , ( byte ) 0xBF , ( byte ) 0x85 , ( byte ) 0x5A ,
27 ( byte ) 0xC4 , ( byte ) 0x99 , ( byte ) 0x5C , ( byte ) 0x56 , ( byte ) 0xA8 , ( byte )
28 0xB4 , ( byte ) 0x08 , ( byte ) 0xCE, ( byte ) 0x3F , ( byte ) 0xE0 , ( byte ) 0x99 ,
29 ( byte ) 0xDC, ( byte ) 0xE9 , ( byte ) 0x3A , ( byte ) 0x9D } ;
30 private byte [ ] MessageHandlerTagOne = {(byte ) 0xAA, ( byte ) 0xAA} ;
31 private byte [ ] MessageHandlerTagTwo = {(byte ) 0xBB, ( byte ) 0xBB} ;
32 private byte [ ] MessageHandlerTagThree = {(byte ) 0xCC, ( byte ) 0xCC} ;
33 private byte [ ] SPIdentityTag = {( byte ) 0x5F , ( byte ) 0x01 } ;
350