A User Centric Security Model for Tamper-Resistant Devices

C.6 Application Acquisition and Contractual Agreement Protocol
129 this . EncryptedData . getValueBytes ( ) . length ,
130 this . SignedData . getBytesTlvRepresentation ( ) , 6 , null ,
131 P r o t o c o l H e l p e r C l a s s .SIGN_MODE_GENERATION) ;
132 this . EncryptedData . addPTLV( this . SignedData ) ;
133 this . EncryptedData . addCTLV( this . TSMSignatureCertificate ) ;
134 ConstructedTLV Temp = ConstructedTLV . getConstructedTLV (TempTag) ;
135 Temp . addPTLV( this .TSMID) ;
136 Temp . addPTLV( this . SCIdentity ) ;
137 Temp . addPTLV( this . SCRandomNumber) ;
138 Temp . addPTLV( this . TSMRandomNumber) ;
139 this . myProtocolHelperObject . GenerateMac (Temp . getValueBytes ( ) , 0 ,
140 Temp . getTagValueLength ( ) ,
141 this . CardID . getBytesTlvRepresentation ( ) , 6 ,
142 this . myLongTermMacKey) ;
143 Temp . addPTLV( this . CardID ) ;
144 this . myProtocolHelperObject . GenerateMac (Temp . getValueBytes ( ) , 0 ,
145 Temp . getTagValueLength ( ) ,
this . SID . getBytesTlvRepresentation ( )
146 , 6 , this . myLongTermMacKey) ;
147 this . EncryptedData . addPTLV( SID ) ;
148 this . myProtocolHelperObject . GenerateEncryption
149 ( this . EncryptedData . getValueBytes ( ) , 0 ,
150 this . EncryptedData . getValueBytes ( ) . length ,
151 this . EncryptedData . getBytesTlvRepresentation ( ) , 7 ,
152 this . myLongTermEncryptionKey ) ;
153 this . MACedData . i n i t i a l i s a t i o n P T L V ( this . MACedDataTag , 16) ;
154 this . myProtocolHelperObject . GenerateMac
155 ( this . EncryptedData . getValueBytes ( ) , 0 ,
156 this . EncryptedData . getTagValueLength ( ) ,
157 this . MACedData . getBytesTlvRepresentation ( ) , 6 ,
158 this . myLongTermMacKey) ;
159 this . MessageHandler . r e s e t ( ) ;
160 this . MessageHandler . i n i t i a l i s a t i o n C T L V ( this . MessageHandlerTSMSC )
161 ;
162 this . MessageHandler . addCTLV( EncryptedData ) ;
163 this . MessageHandler . addPTLV( this . MACedData) ;
164 } catch ( Exception cE ) {
165 System . out . p r i n t l n (
166 " Error ProtocolHandler . inMessageProcessing
Option = 1 , : " + cE . g e t C l a s s ( ) . getName ( ) ) ;
167 }
168 return this . MessageHandler . getBytesTlvRepresentation ( ) ;
169 }
170 public boolean inMessageProcessing ( byte [ ] inMessage ) {
171 try {
172 this . MessageHandler . r e s e t ( ) ;
173 this . EncryptedData . r e s e t ( ) ;
174 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 ,
175 ( inMessage . l e n g t h − 2) ) ;
176 childExtractionFromCTLV ( MessageHandler ) ;
177 byte [ ] temp = new byte [ 1 6 ] ;
362