A User Centric Security Model for Tamper-Resistant Devices

C.3 Attestation Protocol
156 this . EncryptedData . getValueBytes ( ) . length ,
157 this . EncryptedData . getBytesTlvRepresentation ( ) , 7 ,
158 this . mySessionEncryptionKey ) ;
159 this . MACedData . i n i t i a l i s a t i o n P T L V ( this . MACedDataTag , 16) ;
160 this . myProtocolHelperObject . GenerateMac
161 ( this . EncryptedData . getValueBytes ( ) , 0 ,
162 this . EncryptedData . getTagValueLength ( ) ,
163 this . MACedData . getBytesTlvRepresentation ( ) , 6 ,
164 this . mySessionMacKey ) ;
165 this . MessageHandler . i n i t i a l i s a t i o n C T L V ( this . MessageHandlerTagTwo ) ;
166 this . MessageHandler . addCTLV( EncryptedData ) ;
167 this . MessageHandler . addPTLV( this . MACedData) ;
168 this . MessageHandler . addPTLV( this . CMCookie ) ;
169 } catch ( Exception cE ) {
170 System . out . p r i n t l n (
171 " Error ProtocolHandler . inMessageProcessing
Option = 1 , : " + cE . g e t C l a s s ( ) . getName ( ) ) ;
172 }
173 } else {
174 System . out . p r i n t l n (
175 " P r o t o c o l Stoped : I l l e g a l Message Value
( ProtocolHanlder . inMessageProcessing ( ) " ) ;
176 }
177 return this . MessageHandler . getBytesTlvRepresentation ( ) ;
178 }
179 public boolean inMessageProcessing ( byte [ ] inMessage , int Counter ) {
180 try {
181 i f ( Counter == 1) {
182 this . S C P r o t o c o l I n i t i a t o r . 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 ,
183 22) ;
184 } else
185 i f ( Counter == 2) {
186 this . MessageHandler . r e s e t ( ) ;
187 this . EncryptedData . r e s e t ( ) ;
188 this . 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 ,
189 inMessage . l e n g t h − 2) ;
190 this . childExtractionFromCTLV ( this . MessageHandler ) ;
191 GenerateKeys ( this . SCDHStore . getValueBytes ( ) ) ;
192 byte [ ] temp = new byte [ 1 6 ] ;
193 this . myProtocolHelperObject . GenerateMac
194 ( this . EncryptedData . getValueBytes ( ) , 0 ,
195 this . EncryptedData . getValueBytes ( ) . length , temp , 0 ,
196 this . mySessionMacKey ) ;
197 i f ( Arrays . e q u a l s ( this . MACedData . getValueBytes ( ) , temp ) ) {}
198 else {
199 System . out . p r i n t l n (
200 " I n t e g r i t y Check F a i l u r e : ERROR at
ProtocolHandler . inMessageProcessing \n" ) ;
201 System . e x i t ( 0 ) ;
202 }
203 this . myProtocolHelperObject . GenerateDecryption
286