A User Centric Security Model for Tamper-Resistant Devices

C.8 Application Binding Protocol - Distributed
389 i f ( this . signGenerate ( inArray , i n O f f s e t , inLength ,
390 ClientAppVerificationKey , S i g n a t u r e .MODE_VERIFY) ) {
391 return true ;
392 } else {
393 ISOException . throwIt ( ( short ) 0 x6666 ) ;
394 }
395 } catch ( Exception ce ) {
396 ISOException . throwIt ( ( short ) 0xAB23) ;
397 }
398 return true ;
399 } else {
400 ISOException . throwIt ( ( short ) 0xFA18) ;
401 }
402 return f a l s e ;
403 }
404 void parseMessage ( byte [ ] i n B u f f e r ) {
405 byte c h i l d L e f t = i n B u f f e r [ ( short ) ( this . CTLVDataOffset − ( short ) 1)
406 ] ;
407 short p o i n t e r = ( short ) this . CTLVDataOffset ;
408 try {
409 while ( c h i l d L e f t > 0) {
410 i f ( U t i l . arrayCompare ( ClientAppDHChallengeTag , ( short ) 0 , i n B u f f e r ,
411 pointer , ( short ) 4) == 0) {
412 U t i l . arrayCopy ( i n B u f f e r , pointer ,
this . ClientAppDHChanllengerArray ,
413 ( short ) 0 , ( short )
414 this . ClientAppDHChanllengerArray . l e n g t h ) ;
415 p o i n t e r += ( short ) this . ClientAppDHChanllengerArray . l e n g t h ;
416 } else i f ( U t i l . arrayCompare ( this . ClientAppRandomNumberTag ,
( short ) 0 ,
417 i n B u f f e r , pointer , ( short ) 4) == 0) {
418 U t i l . arrayCopyNonAtomic ( i n B u f f e r , pointer ,
419 this . ClientAppRandomNumberArray ,
( short ) 0 ,
420 ( short )
421 ( this . ClientAppRandomNumberArray . l e n g t h ) ) ;
422 p o i n t e r += ( short ) ( this . ClientAppRandomNumberArray . l e n g t h ) ;
423 } else i f ( U t i l . arrayCompare ( this . ClientAppCookieTag , ( short ) 0 ,
424 i n B u f f e r , pointer , ( short ) 4) == 0) {
425 U t i l . arrayCopyNonAtomic ( i n B u f f e r , pointer ,
426 this . ClientAppCookieArray , ( short ) 0 ,
427 ( short ) ( this . ClientAppCookieArray . l e n g t h ) ) ;
428 p o i n t e r += ( short ) ( this . ClientAppCookieArray . l e n g t h ) ;
429 }
430 c h i l d L e f t −= ( short ) 1 ;
431 }
432 } catch ( Exception cE ) {
433 ISOException . throwIt ( ( short ) c h i l d L e f t ) ;
434 }
435 }
436 void protocolImplementation ( ) {}
400