A User Centric Security Model for Tamper-Resistant Devices

C.4 Secure and Trusted Channel Protocol Service Provider
321 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
322 this . SCRandomNumberArray . l e n g t h ) ;
323 this . r e c e i v i n g B u f f e r [ childEnMessage ]++;
324 copyPointer = U t i l . arrayCopyNonAtomic ( this . SPRandomNumberArray ,
325 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
326 this . SPRandomNumberArray . l e n g t h ) ;
327 this . r e c e i v i n g B u f f e r [ childEnMessage ]++;
328 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 ,
329 ( short ) ( copyPointer − e n c r y p t i o n O f f s e t ) ,
330 phUserKeyPair . g e t P r i v a t e ( ) ,
331 S i g n a t u r e .MODE_SIGN) ;
332 this . r e c e i v i n g B u f f e r [ childEnMessage ]++;
333 copyPointer = U t i l . arrayCopyNonAtomic ( this . S C U s e r C e r t i f i c a t e ,
334 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
335 this . S C U s e r C e r t i f i c a t e . l e n g t h ) ;
336 this . r e c e i v i n g B u f f e r [ childEnMessage ]++;
337 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 ,
338 ( short ) ( copyPointer − e n c r y p t i o n O f f s e t ) ) ;
339 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 −
340 ( short ) 3) , ( short ) ( copyPointer −
341 e n c r y p t i o n O f f s e t ) ) ;
342 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 )
343 ( copyPointer − e n c r y p t i o n O f f s e t ) ,
344 S i g n a t u r e .MODE_SIGN) ;
345 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 ]++;
346 copyPointer = U t i l . arrayCopyNonAtomic ( this . SPCookieArray ,
347 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
348 this . SPCookieArray . l e n g t h ) ;
349 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 ]++;
350 this . shortToBytes ( this . r e c e i v i n g B u f f e r , ( short ) 4 , copyPointer ) ;
351 } else i f (msgNumber == 2) {
352 copyPointer = ( short ) 0 ;
353 short tempLength = ( short ) 0 ;
354 short mainChildPointer = ( short ) 6 ;
355 short mainLengthPointer = ( short ) 4 ;
356 short encryptedChildPointer = ( short ) 1 3 ;
357 short g e n e r a l L e n g t h P o i n t e r = ( short ) 0 ;
358 this . r e c e i v i n g B u f f e r [ mainChildPointer ] = ( short ) 0 ;
359 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ] = ( short ) 0 ;
360 copyPointer = U t i l . arrayCopyNonAtomic ( this . MessageHandlerTagTwo ,
361 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short ) 7) ;
362 this . r e c e i v i n g B u f f e r [ mainChildPointer ]++;
363 copyPointer = U t i l . arrayCopyNonAtomic ( this . EncryptedDataTag ,
364 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short ) 4) ;
365 copyPointer += ( short ) 3 ;
366 e n c r y p t i o n O f f s e t = copyPointer ;
367 copyPointer = U t i l . arrayCopyNonAtomic ( this . PlatformHash , ( short )
368 0 , r e c e i v i n g B u f f e r , copyPointer , ( short ) 4) ;
369 g e n e r a l L e n g t h P o i n t e r = copyPointer ;
370 copyPointer += ( short ) 2 ;
371 MessageDigest myHashGen = MessageDigest . g e t I n s t a n c e
297