A User Centric Security Model for Tamper-Resistant Devices

C.4 Secure and Trusted Channel Protocol Service Provider
372 ( MessageDigest .ALG_SHA_256, f a l s e ) ;
373 tempLength = ( short )myHashGen . doFinal ( this . ClassDH . dhModulus ,
( short ) 0 ,
374 ( short ) this . ClassDH . dhModulus . length , r e c e i v i n g B u f f e r ,
375 copyPointer ) ;
376 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ]++;
377 this . shortToBytes ( this . r e c e i v i n g B u f f e r , generalLengthPointer ,
378 ( short ) ( tempLength ) ) ;
379 copyPointer += tempLength ;
380 copyPointer = U t i l . arrayCopyNonAtomic ( this . U s e r I d e n t i t y , ( short )
381 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
382 this . U s e r I d e n t i t y . l e n g t h ) ;
383 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ]++;
384 copyPointer = U t i l . arrayCopyNonAtomic ( this . SPIdentity , ( short ) 0 ,
385 this . r e c e i v i n g B u f f e r , copyPointer , ( short )
386 this . SPIdentity . l e n g t h ) ;
387 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ]++;
388 copyPointer = U t i l . arrayCopyNonAtomic ( this . SCRandomNumberArray ,
389 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
390 this . SCRandomNumberArray . l e n g t h ) ;
391 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ]++;
392 copyPointer = U t i l . arrayCopyNonAtomic ( this . SPRandomNumberArray ,
393 ( short ) 0 , this . r e c e i v i n g B u f f e r , ( short ) copyPointer , ( short )
394 this . SPRandomNumberArray . l e n g t h ) ;
395 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ]++;
396 try {
397 this . signGenerate ( 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 ) ,
398 ( short ) ( copyPointer − e n c r y p t i o n O f f s e t ) ,
399 phSCKeyPair . g e t P r i v a t e ( ) ,
400 S i g n a t u r e .MODE_SIGN) ;
401 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ]++;
402 } catch ( Exception cE ) {
403 ISOException . throwIt ( ( short ) 0xFA17) ;
404 }
405 copyPointer = U t i l . arrayCopyNonAtomic ( this . S C C e r t i f i c a t e ,
406 ( short ) 0 , this . r e c e i v i n g B u f f e r , copyPointer , ( short )
407 this . S C C e r t i f i c a t e . l e n g t h ) ;
408 this . r e c e i v i n g B u f f e r [ encryptedChildPointer ]++;
409 try {
410 this . messageEncryption ( r e c e i v i n g B u f f e r , ( short )
411 ( encryptedChildPointer + ( short ) 1) ,
412 ( short ) ( copyPointer −
413 ( encryptedChildPointer + ( short ) 1) ) ) ;
414 } catch ( Exception cE ) {
415 ISOException . throwIt ( ( short ) ( copyPointer −
416 encryptedChildPointer + ( short ) 1) ) ;
417 }
418 this . shortToBytes ( this . r e c e i v i n g B u f f e r , ( short )
419 ( encryptedChildPointer − ( short ) 2) , ( short )
420 ( copyPointer − ( short ) ( encryptedChildPointer
421 + ( short ) 1) ) ) ;
298