A User Centric Security Model for Tamper-Resistant Devices

C.6 Application Acquisition and Contractual Agreement Protocol
184 P r o t o c o l H e l p e r C l a s s .SIGN_MODE_GENERATION) ;
185 this . EncryptedData . addPTLV( this . SignedData ) ;
186 this . EncryptedData . addCTLV( this . S P S i g n a t u r e C e r t i f i c a t e ) ;
187 this . myProtocolHelperObject . GenerateEncryption
188 ( this . EncryptedData . getValueBytes ( ) , 0 ,
189 this . EncryptedData . getValueBytes ( ) . length ,
190 this . EncryptedData . getBytesTlvRepresentation ( ) , 7 ,
191 this . mySessionEncryptionKey ) ;
192 this . MACedData . i n i t i a l i s a t i o n P T L V ( this . MACedDataTag , 16) ;
193 this . myProtocolHelperObject . GenerateMac
194 ( this . EncryptedData . getValueBytes ( ) , 0 ,
195 this . EncryptedData . getTagValueLength ( ) ,
196 this . MACedData . getBytesTlvRepresentation ( ) , 6 ,
197 this . mySessionMacKey ) ;
198 this . MessageHandler . i n i t i a l i s a t i o n C T L V ( this . MessageHandlerTagThree )
199 ;
200 this . MessageHandler . addCTLV( EncryptedData ) ;
201 this . MessageHandler . addPTLV( this . MACedData) ;
202 this . MessageHandler . addPTLV( this . SPCookie ) ;
203 } catch ( Exception cE ) {
204 System . out . p r i n t l n (
205 " Error ProtocolHandler . inMessageProcessing
Option = 1 , : " + cE . g e t C l a s s ( ) . getName ( ) ) ;
206 }
207 } else {
208 System . out . p r i n t l n (
209 " P r o t o c o l Stoped : I l l e g a l Message Value
( ProtocolHanlder . inMessageProcessing ( ) " ) ;
210 }
211 return this . MessageHandler . getBytesTlvRepresentation ( ) ;
212 }
213 public boolean inMessageProcessing ( byte [ ] inMessage , int Counter ) {
214 try {
215 i f ( Counter == 1) {
216 MessageHandler . s e t B y t e s T l v R e p r e s e n t a t i o n ( inMessage , 0 ,
217 ( inMessage . l e n g t h − 2) ) ;
218 childExtractionFromCTLV ( MessageHandler ) ;
219 GenerateKeys ( this . SCDHChallenge . getValueBytes ( ) ) ;
220 byte [ ] temp = new byte [ 1 6 ] ;
221 this . myProtocolHelperObject . GenerateMac
222 ( this . EncryptedData . getValueBytes ( ) , 0 ,
223 this . EncryptedData . getValueBytes ( ) . length , temp , 0 ,
224 this . mySessionMacKey ) ;
225 i f ( Arrays . e q u a l s ( this . MACedData . getValueBytes ( ) , temp ) ) {}
226 else {
227 System . out . p r i n t l n (
228 " I n t e g r i t y Check F a i l u r e : ERROR at
ProtocolHandler . inMessageProcessing \n" ) ;
229 System . e x i t ( 0 ) ;
230 }
231 this . myProtocolHelperObject . GenerateDecryption
354