A User Centric Security Model for Tamper-Resistant Devices

C.9 Platform Binding Protocol
424 + ( short ) 1) ) ) ;
425 this . macGenerate ( r e c e i v i n g B u f f e r , ( short ) ( encryptedChildPointer
426 + ( short ) 1) , ( short ) ( copyPointer −
427 ( encryptedChildPointer + ( short ) 1) ) ,
428 S i g n a t u r e .MODE_SIGN) ;
429 this . r e c e i v i n g B u f f e r [ mainChildPointer ]++;
430 copyPointer = U t i l . arrayCopyNonAtomic ( this . SCBCookieArray ,
431 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
432 this . SCBCookieArray . l e n g t h ) ;
433 this . r e c e i v i n g B u f f e r [ mainChildPointer ]++;
434 this . shortToBytes ( this . r e c e i v i n g B u f f e r , mainLengthPointer ,
435 ( short ) ( copyPointer − ( short ) 7) ) ;
436 }
437 }
438 void platformHashGeneration (byte [ ] inArray , short i n O f f s e t ) {}
439 void processSecondMsg ( byte [ ] inArray ) {
440 short i n O f f s e t = ( short ) ( this . CTLVDataOffset +
441 this . CTLVDataOffset ) ;
442 short inLength = ( short ) ( ProtocolHandler . bytesToShort ( inArray ,
443 ( short ) ( i n O f f s e t − ( short ) 3) ) ) ;
444 i f ( this . macGenerate ( inArray , i n O f f s e t , inLength ,
445 S i g n a t u r e .MODE_VERIFY) ) {
446 this . phDecryption ( inArray , i n O f f s e t , inLength ) ;
447 U t i l . arrayCopyNonAtomic ( inArray , i n O f f s e t , this . SCBIdentity ,
448 ( short ) 0 , ( short )
449 this . SCBIdentity . l e n g t h ) ;
450 i n O f f s e t += ( short ) 1 5 1 ;
451 inLength = ( short ) 3 ;
452 SCBVerificationKey . setExponent ( inArray , i n O f f s e t , inLength ) ;
453 i n O f f s e t += ( short ) ( inLength + this . PTLVDataOffset ) ;
454 inLength = ( short ) 6 4 ;
455 SCBVerificationKey . setModulus ( inArray , i n O f f s e t , inLength ) ;
456 i n O f f s e t = ( short ) ( this . CTLVDataOffset + this . CTLVDataOffset ) ;
457 inLength = ( short ) 6 8 ;
458 i f ( this . signGenerate ( inArray , i n O f f s e t , inLength ,
459 SCBVerificationKey , S i g n a t u r e .MODE_VERIFY) ) {
460 return ;
461 } else {
462 ISOException . throwIt ( ( short ) 0 x6666 ) ;
463 }
464 } else {
465 ISOException . throwIt ( ( short ) 0xFA18) ;
466 }
467 }
468 void parseMessage ( byte [ ] i n B u f f e r ) {
469 byte c h i l d L e f t = i n B u f f e r [ ( short ) ( this . CTLVDataOffset − ( short ) 1)
470 ] ;
471 short p o i n t e r = ( short ) this . CTLVDataOffset ;
472 try {
473 while ( c h i l d L e f t > 0) {
474 i f ( U t i l . arrayCompare ( SCBDHChallengeTag , ( short ) 0 , i n B u f f e r ,
413