A User Centric Security Model for Tamper-Resistant Devices

C.4 Secure and Trusted Channel Protocol Service Provider
148 System . arraycopy ( this . SPDHChanllenger . getValueBytes ( ) , 0 ,
149 temp , 0 , this . SPDHChanllenger . getValueLength
150 ( ) ) ;
151 System . arraycopy ( this . SPRandomNumber . getValueBytes ( ) , 0 , temp ,
152 this . SPDHChanllenger . getValueLength ( ) ,
153 this . SPRandomNumber . getValueLength ( ) ) ;
154 System . arraycopy ( this . SCIP , 0 , temp , temp . l e n g t h −
155 this . SCIP . length , this . SCIP . l e n g t h ) ;
156 byte [ ] r e s u l t = new byte [ 1 6 ] ;
157 this . myProtocolHelperObject . GenerateMac ( temp , 0 , temp . length ,
158 r e s u l t , 0 , this . myProtocolHelperObject . myLongTermMacKey) ;
159 this . SPCookie . setTlvValues ( r e s u l t ) ;
160 this . MessageHandler . addPTLV( this . SPCookie ) ;
161 } catch ( Exception cE ) {
162 System . out . p r i n t l n (
163 " Error ProtocolHandler . inMessageProcessing
Option = 1 , : " + cE . g e t C l a s s ( ) . getName ( ) ) ;
164 }
165 } else i f ( Counter == 2) {
166 try {
167 this . EncryptedData . i n i t i a l i s a t i o n C T L V ( this . EncryptedDataTag ) ;
168 this . EncryptedData . addPTLV( this . SPIdentityTLV ) ;
169 this . EncryptedData . addPTLV( this . SPRandomNumber) ;
170 this . EncryptedData . addPTLV( this . SCRandomNumber) ;
171 this . myProtocolHelperObject . SignatureMethod
172 ( this . EncryptedData . getValueBytes ( ) , 0 ,
173 this . EncryptedData . getValueBytes ( ) . length ,
174 this . SignedData . getBytesTlvRepresentation ( ) , 6 , null ,
175 P r o t o c o l H e l p e r C l a s s .SIGN_MODE_GENERATION) ;
176 this . EncryptedData . addPTLV( this . SignedData ) ;
177 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 ) ;
178 this . myProtocolHelperObject . GenerateEncryption
179 ( this . EncryptedData . getValueBytes ( ) , 0 ,
180 this . EncryptedData . getValueBytes ( ) . length ,
181 this . EncryptedData . getBytesTlvRepresentation ( ) , 7 ,
182 this . mySessionEncryptionKey ) ;
183 this . MACedData . i n i t i a l i s a t i o n P T L V ( this . MACedDataTag , 16) ;
184 this . myProtocolHelperObject . GenerateMac
185 ( this . EncryptedData . getValueBytes ( ) , 0 ,
186 this . EncryptedData . getTagValueLength ( ) ,
187 this . MACedData . getBytesTlvRepresentation ( ) , 6 ,
188 this . mySessionMacKey ) ;
189 this . MessageHandler . i n i t i a l i s a t i o n C T L V
190 ( this . MessageHandlerTagTwo ) ;
191 this . MessageHandler . addCTLV( EncryptedData ) ;
192 this . MessageHandler . addPTLV( this . MACedData) ;
193 this . MessageHandler . addPTLV( this . SPCookie ) ;
194 } catch ( Exception cE ) {
195 System . out . p r i n t l n (
196 " Error ProtocolHandler . inMessageProcessing
Option = 1 , : " + cE . g e t C l a s s ( ) . getName ( ) ) ;
307