A User Centric Security Model for Tamper-Resistant Devices

C.8 Application Binding Protocol - Distributed
338 this . C l i e n t A p p U s e r C e r t i f i c a t e . l e n g t h ) ;
339 this . r e c e i v i n g B u f f e r [ childEnMessage ]++;
340 messageEncryption ( 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 ,
341 ( short ) ( copyPointer − e n c r y p t i o n O f f s e t ) ) ;
342 this . shortToBytes ( r e c e i v i n g B u f f e r , ( short ) ( e n c r y p t i o n O f f s e t −
343 ( short ) 3) , ( short ) ( copyPointer −
344 e n c r y p t i o n O f f s e t ) ) ;
345 macGenerate ( 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 )
346 ( copyPointer − e n c r y p t i o n O f f s e t ) ,
347 S i g n a t u r e .MODE_SIGN) ;
348 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 ]++;
349 copyPointer = U t i l . arrayCopyNonAtomic ( this . ServerAppCookieArray ,
350 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
351 this . ServerAppCookieArray . l e n g t h ) ;
352 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 ]++;
353 this . shortToBytes ( this . r e c e i v i n g B u f f e r , ( short ) 4 , copyPointer ) ;
354 } else i f (msgNumber == 2) {
355 copyPointer = ( short ) 0 ;
356 short tempLength = ( short ) 0 ;
357 short mainChildPointer = ( short ) 6 ;
358 short mainLengthPointer = ( short ) 4 ;
359 short encryptedChildPointer = ( short ) 1 3 ;
360 short g e n e r a l L e n g t h P o i n t e r = ( short ) 0 ;
361 this . r e c e i v i n g B u f f e r [ mainChildPointer ] = ( short ) 0 ;
362 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ] = ( short ) 0 ;
363 copyPointer = U t i l . arrayCopyNonAtomic ( this . MessageHandlerTagTwo ,
364 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short ) 7) ;
365 this . r e c e i v i n g B u f f e r [ mainChildPointer ]++;
366 copyPointer = U t i l . arrayCopyNonAtomic ( this . EncryptedDataTag ,
367 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short ) 4) ;
368 copyPointer += ( short ) 3 ;
369 e n c r y p t i o n O f f s e t = copyPointer ;
370 copyPointer = U t i l . arrayCopyNonAtomic ( this . PlatformHash , ( short )
371 0 , r e c e i v i n g B u f f e r , copyPointer , ( short ) 4) ;
372 g e n e r a l L e n g t h P o i n t e r = copyPointer ;
373 copyPointer += ( short ) 2 ;
374 MessageDigest myHashGen = MessageDigest . g e t I n s t a n c e
375 ( MessageDigest .ALG_SHA_256, f a l s e ) ;
376 tempLength = ( short )myHashGen . doFinal ( this . ClassDH . dhModulus ,
( short ) 0 ,
377 ( short ) this . ClassDH . dhModulus . length , r e c e i v i n g B u f f e r ,
378 copyPointer ) ;
379 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ]++;
380 this . shortToBytes ( this . r e c e i v i n g B u f f e r , generalLengthPointer ,
381 ( short ) ( tempLength ) ) ;
382 copyPointer += tempLength ;
383 copyPointer = U t i l . arrayCopyNonAtomic ( this . U s e r I d e n t i t y , ( short )
384 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
385 this . U s e r I d e n t i t y . l e n g t h ) ;
386 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ]++;
385