A User Centric Security Model for Tamper-Resistant Devices

C.9 Platform Binding Protocol
350 + ( short ) 1) , ( short ) ( copyPointer −
351 ( short ) ( childPM2 + ( short ) 1) ) ) ;
352 } catch ( Exception ce ) {
353 ISOException . throwIt ( ( short ) ( copyPointer − ( short ) ( childPM2 +
354 ( short ) 1) ) ) ;
355 }
356 this . shortToBytes ( this . r e c e i v i n g B u f f e r , ( short ) ( childPM2 −
357 ( short ) 2) , ( short ) ( copyPointer − childPM2 −
358 ( short ) 1) ) ;
359 this . macGenerate ( this . r e c e i v i n g B u f f e r , ( short ) ( childPM2 +
360 ( short ) 1) , ( short ) ( copyPointer − ( short )
361 ( childPM2 + ( short ) 1) ) , S i g n a t u r e .MODE_SIGN) ;
362 this . r e c e i v i n g B u f f e r [ childPM1 ]++;
363 copyPointer = U t i l . arrayCopyNonAtomic ( this . SCACookieArray ,
364 ( short ) 0 , this . r e c e i v i n g B u f f e r , ( short ) copyPointer , ( short )
365 this . SCACookieArray . l e n g t h ) ;
366 this . r e c e i v i n g B u f f e r [ childPM1 ]++;
367 this . shortToBytes ( this . r e c e i v i n g B u f f e r , ( short ) ( childPM1 −
368 ( short ) 2) , ( short ) ( copyPointer − ( short ) 7) ) ;
369 }
370 }
371 boolean processSecondMsg ( byte [ ] inArray ) {
372 short i n O f f s e t = ( short ) ( this . CTLVDataOffset +
373 this . CTLVDataOffset ) ;
374 short inLength = ( short ) ( ProtocolHandler . bytesToShort ( inArray ,
375 ( short ) ( i n O f f s e t − ( short ) 3) ) ) ;
376 i f ( this . macGenerate ( inArray , i n O f f s e t , inLength ,
377 S i g n a t u r e .MODE_VERIFY) ) {
378 try {
379 this . phDecryption ( inArray , i n O f f s e t , inLength ) ;
380 i n O f f s e t = ( short ) ( this . CTLVDataOffset + this . PTLVDataOffset
381 + ( short ) 168) ;
382 inLength = 3 ;
383 SCAVerificationKey . setExponent ( inArray , i n O f f s e t , inLength ) ;
384 i n O f f s e t += ( short ) ( inLength + this . PTLVDataOffset ) ;
385 inLength = ( short ) 6 4 ;
386 SCAVerificationKey . setModulus ( inArray , i n O f f s e t , inLength ) ;
387 i n O f f s e t = ( short ) ( this . CTLVDataOffset + this . CTLVDataOffset ) ;
388 inLength = ( short ) 8 4 ;
389 i f ( this . signGenerate ( inArray , i n O f f s e t , inLength ,
390 SCAVerificationKey , 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) ;
425