A User Centric Security Model for Tamper-Resistant Devices

C.9 Platform Binding Protocol
582 phSign . i n i t ( ( RSAPublicKey ) kpSign , S i g n a t u r e .MODE_VERIFY) ;
583 return phSign . v e r i f y ( i n b u f f , i n b u f f O f f s e t , i n b u f f l e n g t h , i n b u f f ,
584 ( short ) ( i n b u f f O f f s e t + i n b u f f l e n g t h +
585 this . PTLVDataOffset ) , ( short ) 64) ;
586 }
587 return f a l s e ;
588 }
589 public s t a t i c short bytesToShort ( byte [ ] ArrayBytes ) {
590 return ( short ) ( ( ( ArrayBytes [ 0 ]
600 ( short ) 0 x0008 ) ;
601 Array [ ( short ) ( a r r a y O f f s e t + ( short ) 1) ] = ( byte ) ( inShort & ( short )
602 0x00FF ) ;
603 }
604 }
C.9 Platform Binding Protocol
The Java Card implementation of the P BP discussed in section 7.5 is listed in subsequent
sections.
C.9.1
Initiator Smart Card Implementation
Implementation of a initiator smart card that request for the platform binding in the
CDAM rewall mechanism is listed as below:
1 package protocolSCA ;
2
3 import javacard . framework .APDU;
4 import javacard . framework . Applet ;
5 import javacard . framework . ISO7816 ;
6 import javacard . framework . ISOException ;
7 import javacard . framework . JCSystem ;
8 import javacard . framework . U t i l ;
9 import javacard . s e c u r i t y . AESKey ;
10 import javacard . s e c u r i t y . Key ;
11 import javacard . s e c u r i t y . KeyBuilder ;
12 import javacard . s e c u r i t y . KeyPair ;
13 import javacard . s e c u r i t y . MessageDigest ;
14 import javacard . s e c u r i t y . RSAPrivateKey ;
15 import javacard . s e c u r i t y . RSAPublicKey ;
16 import javacard . s e c u r i t y . RandomData ;
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