A User Centric Security Model for Tamper-Resistant Devices

C.6 Application Acquisition and Contractual Agreement Protocol
135 System . arraycopy ( this . SPRandomNumber . getValueBytes ( ) , 0 , temp ,
136 this . SPDHChanllenger . getValueLength ( ) ,
137 this . SPRandomNumber . getValueLength ( ) ) ;
138 System . arraycopy ( this . SCIP , 0 , temp , temp . l e n g t h −
139 this . SCIP . length , this . SCIP . l e n g t h ) ;
140 byte [ ] r e s u l t = new byte [ 1 6 ] ;
141 this . myProtocolHelperObject . GenerateMac ( temp , 0 , temp . length ,
142 r e s u l t , 0 , this . myProtocolHelperObject . myLongTermMacKey) ;
143 this . SPCookie . setTlvValues ( r e s u l t ) ;
144 this . MessageHandler . addPTLV( this . SPCookie ) ;
145 } catch ( Exception cE ) {
146 System . out . p r i n t l n (
147 " Error ProtocolHandler . inMessageProcessing
Option = 2 , : " + cE . g e t C l a s s ( ) . getName ( ) ) ;
148 }
149 } else i f ( Counter == 2) {
150 try {
151 this . EncryptedData . i n i t i a l i s a t i o n C T L V ( this . EncryptedDataTag ) ;
152 this . EncryptedData . addPTLV( this . SPIdentityTLV ) ;
153 this . EncryptedData . addPTLV( this . AppIdentityTLV ) ;
154 this . EncryptedData . addPTLV( this . SPRandomNumber) ;
155 this . EncryptedData . addPTLV( this . SCRandomNumber) ;
156 this . myProtocolHelperObject . GenerateEncryption
157 ( this . EncryptedData . getValueBytes ( ) , 0 ,
158 this . EncryptedData . getValueBytes ( ) . length ,
159 this . EncryptedData . getBytesTlvRepresentation ( ) , 7 ,
160 this . mySessionEncryptionKey ) ;
161 this . MACedData . i n i t i a l i s a t i o n P T L V ( this . MACedDataTag , 16) ;
162 this . myProtocolHelperObject . GenerateMac
163 ( this . EncryptedData . getValueBytes ( ) , 0 ,
164 this . EncryptedData . getTagValueLength ( ) ,
165 this . MACedData . getBytesTlvRepresentation ( ) , 6 ,
166 this . mySessionMacKey ) ;
167 this . MessageHandler . i n i t i a l i s a t i o n C T L V ( this . MessageHandlerTagTwo ) ;
168 this . MessageHandler . addCTLV( EncryptedData ) ;
169 this . MessageHandler . addPTLV( this . MACedData) ;
170 } catch ( Exception cE ) {
171 System . out . p r i n t l n (
172 " Error ProtocolHandler . inMessageProcessing
Option = 3 , : " + cE . g e t C l a s s ( ) . getName ( ) ) ;
173 }
174 } else i f ( Counter == 3) {
175 try {
176 this . EncryptedData . i n i t i a l i s a t i o n C T L V ( this . EncryptedDataTag ) ;
177 this . EncryptedData . addPTLV( this . SPIdentityTLV ) ;
178 this . EncryptedData . addPTLV( this . SPRandomNumber) ;
179 this . EncryptedData . addPTLV( this . SCRandomNumber) ;
180 this . myProtocolHelperObject . SignatureMethod
181 ( this . EncryptedData . getValueBytes ( ) , 0 ,
182 this . EncryptedData . getValueBytes ( ) . length ,
183 this . SignedData . getBytesTlvRepresentation ( ) , 6 , null ,
353