A User Centric Security Model for Tamper-Resistant Devices

C.6 Application Acquisition and Contractual Agreement Protocol
79 ( this . PublicExponentTag ) ;
80 private ConstructedTLV MessageHandler =
81 ConstructedTLV . getConstructedTLV (TempTag) ;
82 private PrimitiveTLV MACedData = PrimitiveTLV . getPrimitiveTLV
83 ( this . MACedDataTag) ;
84 private ConstructedTLV EncryptedData =
85 ConstructedTLV . getConstructedTLV ( this . EncryptedDataTag ) ;
86 private PrimitiveTLV CardID = PrimitiveTLV . getPrimitiveTLV
87 ( CardIDTag ) ;
88 private PrimitiveTLV AppActTLV = PrimitiveTLV . getPrimitiveTLV
89 ( this . AppActTag , this . AppAct ) ;
90 private P r o t o c o l H e l p e r C l a s s myProtocolHelperObject = new
91 P r o t o c o l H e l p e r C l a s s ( ) ;
92 public TSMProtocolHandler ( ) {
93 myProtocolHelperObject . p r o t o c o l I n i t i a l i s e ( ) ;
94 RSAPublicKey tempKey = ( RSAPublicKey )
95 myProtocolHelperObject . getPublicKey ( ) ;
96 byte [ ] tempExponent = tempKey . getPublicExponent ( ) . toByteArray ( ) ;
97 this . PublicExponent . i n i t i a l i s a t i o n P T L V ( this . PublicExponentTag ,
98 tempExponent . l e n g t h ) ;
99 this . PublicExponent . setTlvValues ( tempExponent ) ;
100 byte [ ] tempModulus = tempKey . getModulus ( ) . toByteArray ( ) ;
101 this . PublicModulus . i n i t i a l i s a t i o n P T L V ( this . PublicModulusTag ,
102 ( tempModulus . l e n g t h − 1) ) ;
103 this . PublicModulus . setTlvValues ( tempModulus , 1 ,
104 ( tempModulus . l e n g t h − 1) ) ;
105 TSMSignatureCertificate . addPTLV( this . PublicExponent ) ;
106 TSMSignatureCertificate . addPTLV( this . PublicModulus ) ;
107 }
108 public void i n i t i a l i s e P r o t o c o l ( ) {
109 try {}
110 catch ( Exception cE ) {
111 System . out . p r i n t l n (
112 " Error ProtocolHandler . i n i t i a l i s e P r o t o c o l Option
= 1 , : " + cE . g e t C l a s s ( ) . getName ( ) ) ;
113 }
114 }
115 public byte [ ] outMessageProcessing ( ) {
116 try {
117 this . EncryptedData . r e s e t ( ) ;
118 this . EncryptedData . i n i t i a l i s a t i o n C T L V ( this . EncryptedDataTag ) ;
119 this . EncryptedData . addPTLV( this .TSMID) ;
120 this . EncryptedData . addPTLV( this . SCIdentity ) ;
121 this . TSMRandomNumber . setTlvValues
122 ( this . myProtocolHelperObject . getRandomNumber ( ) ) ;
123 this . EncryptedData . addPTLV( this . TSMRandomNumber) ;
124 this . EncryptedData . addPTLV( this . SCRandomNumber) ;
125 this . EncryptedData . addPTLV( this . U s e r I d e n t i t y ) ;
126 this . EncryptedData . addPTLV( this . AppActTLV) ;
127 this . myProtocolHelperObject . SignatureMethod
128 ( this . EncryptedData . getValueBytes ( ) , 0 ,
361