A User Centric Security Model for Tamper-Resistant Devices

C.6 Application Acquisition and Contractual Agreement Protocol
276 ISOException . throwIt (SW_CLASSNOTSUPPORTED) ;
277 }
278 i f ( apduBuffer [ ISO7816 .OFFSET_INS] == I n i t i a t i o n P r o t o c o l ) {
279 this . i n i t i a l i s e P r o t o c o l ( ) ;
280 return ;
281 }
282 i f ( apduBuffer [ ISO7816 .OFFSET_INS] == PhaseTwo ) {
283 this . AppDownloadCompleted ( apdu ) ;
284 }
285 i f ( apduBuffer [ ISO7816 .OFFSET_INS] == PhaseThree ) {
286 r e c e i v i n g B u f f e r = JCSystem . makeTransientByteArray ( ( short ) 568 ,
287 JCSystem .MEMORY_TYPE_TRANSIENT_DESELECT) ;
288 this . SCTSMChargeRequest ( apdu ) ;
289 JCSystem . r e q u e s t O b j e c t D e l e t i o n ( ) ;
290 apdu . setOutgoing ( ) ;
291 apdu . setOutgoingLength ( ( short ) copyPointer ) ;
292 apdu . sendBytesLong ( r e c e i v i n g B u f f e r , ( short ) 0 , ( short ) copyPointer ) ;
293 JCSystem . r e q u e s t O b j e c t D e l e t i o n ( ) ;
294 return ;
295 }
296 b y t e s L e f t = apdu . getIncomingLength ( ) ;
297 i f ( b y t e s L e f t > 255) {
298 r e c e i v i n g B u f f e r = JCSystem . makeTransientByteArray ( bytesLeft ,
299 JCSystem .MEMORY_TYPE_TRANSIENT_DESELECT) ;
300 readCount = ( short ) ( ( short ) apdu . setIncomingAndReceive ( ) ) ;
301 rCount = 0 ;
302 short bytesRead = 0 ;
303 while ( b y t e s L e f t > 0) {
304 try {
305 rCount = U t i l . arrayCopyNonAtomic ( apduBuffer , ( short )
306 ISO7816 .OFFSET_EXT_CDATA, r e c e i v i n g B u f f e r , rCount , readCount ) ;
307 b y t e s L e f t −= readCount ;
308 i f ( b y t e s L e f t != 0) {
309 readCount = apdu
. r e c e i v e B y t e s ( ( short ) ISO7816 .OFFSET_EXT_CDATA)
310 ;
311 }
312 } catch ( Exception aE) {
313 ISOException . throwIt ( ( short ) bytesRead ) ;
314 }
315 }
316 } else {
317 try {
318 r e c e i v i n g B u f f e r = JCSystem . makeTransientByteArray ( bytesLeft ,
319 JCSystem .MEMORY_TYPE_TRANSIENT_DESELECT) ;
320 U t i l . arrayCopyNonAtomic ( apduBuffer , ISO7816 .OFFSET_CDATA,
321 this . r e c e i v i n g B u f f e r , ( short ) 0 , ( short )
322 this . r e c e i v i n g B u f f e r . l e n g t h ) ;
323 } catch ( Exception cE ) {
324 ISOException . throwIt ( ( short ) apduBuffer . l e n g t h ) ;
325 }
339