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A User Centric Security Model for Tamper-Resistant Devices

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C.6 Application Acquisition and Contractual Agreement Protocol<br />

83 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0x5F , ( byte ) 0x05 , ( byte ) 0x00 ,<br />

( byte ) 0x12 ,<br />

84 ( byte ) 0x7d , ( byte ) 0xD5 , ( byte ) 0xB7 , ( byte ) 0xD0 , ( byte ) 0xB6 , ( byte )<br />

85 0xC1 , ( byte ) 0x2e , ( byte ) 0x06 , ( byte ) 0xe9 , ( byte ) 0xe9 , ( byte ) 0x8D ,<br />

86 ( byte ) 0x11 , ( byte ) 0xEf , ( byte ) 0x37 , ( byte ) 0xfB , ( byte ) 0xFe , ( byte )<br />

87 0x0B , ( byte ) 0x2C } ;<br />

88 private byte [ ] ExponentTag = {<br />

89 ( byte ) 0x14 , ( byte ) 0x5F , ( byte ) 0x5E , ( byte ) 0x01 } ;<br />

90 private byte [ ] ModulusTag = {<br />

91 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0xEE , ( byte ) 0x02 } ;<br />

92 private byte [ ] SCDHChalleneTag = {<br />

93 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0x5C , ( byte ) 0x02 } ;<br />

94 private byte [ ] SCRandomNumberTag = {<br />

95 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0x5A , ( byte ) 0x02 } ;<br />

96 private byte [ ] SPCertificateTag = {<br />

97 ( byte ) 0x1F , ( byte ) 0xC0 , ( byte ) 0xF0 , ( byte ) 0x01 } ;<br />

98 private byte [ ] SCCertificateTag = {<br />

99 ( byte ) 0x1F , ( byte ) 0xC0 , ( byte ) 0xF0 , ( byte ) 0x02 } ;<br />

100 private byte [ ] SC<strong>User</strong>CertificateTag = {<br />

101 ( byte ) 0x1F , ( byte ) 0xC0 , ( byte ) 0xF0 , ( byte ) 0x03 } ;<br />

102 short PTLVDataOffset = ( short ) 6 ;<br />

103 short CTLVDataOffset = ( short ) 7 ;<br />

104 short TLVLengthOffset = ( short ) 4 ;<br />

105 short copyPointer = ( short ) 0 ;<br />

106 byte [ ] SCDHData ;<br />

107 f i n a l s t a t i c byte CLA = ( byte ) 0xB0 ;<br />

108 f i n a l s t a t i c byte S t a r t P r o t o c o l = ( byte ) 0x40 ;<br />

109 f i n a l s t a t i c byte I n i t i a t i o n P r o t o c o l = ( byte ) 0xF1 ;<br />

110 private s t a t i c f i n a l byte PhaseTwo = ( byte ) 0xF2 ;<br />

111 private s t a t i c f i n a l byte PhaseThree = ( byte ) 0xF3 ;<br />

112 f i n a l s t a t i c short SW_CLASSNOTSUPPORTED = 0 x6320 ;<br />

113 f i n a l s t a t i c short SW_ERROR_INS = 0 x6300 ;<br />

114 RandomData randomDataGen ;<br />

115 Cipher pkCipher ;<br />

116 short messageNumber = 0 ;<br />

117 byte [ ] r e c e i v i n g B u f f e r = null ;<br />

118 short b y t e s L e f t = 0 ;<br />

119 short readCount = 0 ;<br />

120 short rCount = 0 ;<br />

121 short s i g n l e n g t h = 0 ;<br />

122 private RSAPublicKey dhKey = ( RSAPublicKey ) KeyBuilder . buildKey<br />

123 ( KeyBuilder .TYPE_RSA_PUBLIC,<br />

124 KeyBuilder .LENGTH_RSA_2048, f a l s e ) ;<br />

125 private byte [ ] randomExponent ;<br />

126 f i n a l s t a t i c byte GEN_KEYCONTRIBUTION = 0x01 ;<br />

127 f i n a l s t a t i c byte GEN_DHKEY = 0x02 ;<br />

128 private byte [ ] myLongTermEncryptionKey = {<br />

129 ( byte ) 0x9D , ( byte ) 0xF3 , ( byte ) 0x0B , ( byte ) 0x5C , ( byte ) 0x8F ,<br />

( byte ) 0xFD,<br />

130 ( byte ) 0xAC, ( byte ) 0x50 , ( byte ) 0x6C , ( byte ) 0xDE, ( byte ) 0xBE, ( byte )<br />

131 0x7B , ( byte ) 0x89 , ( byte ) 0x99 , ( byte ) 0x8C , ( byte ) 0xAF} ;<br />

335

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