A User Centric Security Model for Tamper-Resistant Devices

C.6 Application Acquisition and Contractual Agreement Protocol
423 r e c e i v i n g B u f f e r = JCSystem . makeTransientByteArray ( ( short ) 568 ,
424 JCSystem .MEMORY_TYPE_TRANSIENT_DESELECT) ;
425 generateResponse ( ( short ) 2) ;
426 JCSystem . r e q u e s t O b j e c t D e l e t i o n ( ) ;
427 apdu . setOutgoing ( ) ;
428 apdu . setOutgoingLength ( ( short ) copyPointer ) ;
429 apdu . sendBytesLong ( r e c e i v i n g B u f f e r , ( short ) 0 , ( short ) copyPointer ) ;
430 JCSystem . r e q u e s t O b j e c t D e l e t i o n ( ) ;
431 }
432 private void generateResponse ( short msgNumber) {
433 short c h i l d P o i n t e r M e s s a g e = 6 ;
434 short e n c r y p t i o n O f f s e t = 0 ;
435 copyPointer = 0 ;
436 i f (msgNumber == 1) {
437 randomDataGen . generateData ( this . SCRandomNumberArray ,
438 this . PTLVDataOffset , ( short ) 16) ;
439 this . dhKeyConGen( this . SPDHChanllengerArray , this . PTLVDataOffset ,
440 ProtocolHandler .GEN_DHKEY) ;
441 copyPointer = U t i l . arrayCopyNonAtomic ( this . MessageHandlerTagOne ,
442 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
443 this . MessageHandlerTagOne . l e n g t h ) ;
444 copyPointer = U t i l . arrayCopyNonAtomic ( this . SCDHData , ( short ) 0 ,
445 this . r e c e i v i n g B u f f e r , copyPointer , ( short ) this . SCDHData . l e n g t h ) ;
446 this . r e c e i v i n g B u f f e r [ c h i l d P o i n t e r M e s s a g e ]++;
447 copyPointer = U t i l . arrayCopyNonAtomic ( this . SCRandomNumberArray ,
448 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
449 this . SCRandomNumberArray . l e n g t h ) ;
450 this . r e c e i v i n g B u f f e r [ c h i l d P o i n t e r M e s s a g e ]++;
451 keygenerator ( ) ;
452 copyPointer = U t i l . arrayCopyNonAtomic ( this . EncryptedDataTag , ( short )
453 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
454 this . EncryptedDataTag . l e n g t h ) ;
455 this . r e c e i v i n g B u f f e r [ c h i l d P o i n t e r M e s s a g e ]++;
456 short childEnMessage = ( short ) ( copyPointer + ( short ) 2) ;
457 copyPointer += ( short ) 3 ;
458 e n c r y p t i o n O f f s e t = copyPointer ;
459 copyPointer = U t i l . arrayCopyNonAtomic ( this . SCIdentityTag , ( short ) 0 ,
460 this . r e c e i v i n g B u f f e r , copyPointer , ( short )
461 this . SCIdentityTag . l e n g t h ) ;
462 this . r e c e i v i n g B u f f e r [ childEnMessage ]++;
463 copyPointer = U t i l . arrayCopyNonAtomic ( this . SCRandomNumberArray ,
464 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
465 this . SCRandomNumberArray . l e n g t h ) ;
466 this . r e c e i v i n g B u f f e r [ childEnMessage ]++;
467 copyPointer = U t i l . arrayCopyNonAtomic ( this . SPRandomNumberArray ,
468 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
469 this . SPRandomNumberArray . l e n g t h ) ;
470 this . r e c e i v i n g B u f f e r [ childEnMessage ]++;
471 this . signGenerate ( this . r e c e i v i n g B u f f e r , e n c r y p t i o n O f f s e t , ( short )
472 ( copyPointer − e n c r y p t i o n O f f s e t ) , phUserKeyPair
473 . g e t P r i v a t e ( ) , S i g n a t u r e .MODE_SIGN) ;
342