A User Centric Security Model for Tamper-Resistant Devices

C.5 Secure and Trusted Channel Protocol Smart Card
39 private byte [ ] EncryptedDataTag = {
40 ( byte ) 0x1F , ( byte ) 0xC0 , ( byte ) 0xFE , ( byte ) 0x01 } ;
41 private byte [ ] SignedDataTag = {
42 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0x5D , ( byte ) 0x02 } ;
43 private byte [ ] MACedDataTag = {
44 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0x5D , ( byte ) 0x01 } ;
45 private byte [ ] PlatformHash = {
46 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0x5E , ( byte ) 0xAF} ;
47 private byte [ ] SCIdentityTag = {
48 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0x5F , ( byte ) 0x02 , ( byte ) 0x00 ,
( byte ) 0x0C ,
49 ( byte ) 0x7A , ( byte ) 0xD5 , ( byte ) 0xB7 , ( byte ) 0xD0 , ( byte ) 0xB6 , ( byte )
50 0xC1 , ( byte ) 0x22 , ( byte ) 0x07 , ( byte ) 0xC9 , ( byte ) 0xF9 , ( byte ) 0x8D ,
51 ( byte ) 0x11 } ;
52 private byte [ ] ExponentTag = {
53 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0xEE , ( byte ) 0x01 } ;
54 private byte [ ] ModulusTag = {
55 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0xEE , ( byte ) 0x02 } ;
56 private byte [ ] SCDHChalleneTag = {
57 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0x5C , ( byte ) 0x02 } ;
58 private byte [ ] SCRandomNumberTag = {
59 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0x5A , ( byte ) 0x02 } ;
60 private byte [ ] SPCertificateTag = {
61 ( byte ) 0x1F , ( byte ) 0xC0 , ( byte ) 0xF0 , ( byte ) 0x01 } ;
62 private byte [ ] SCCertificateTag = {
63 ( byte ) 0x1F , ( byte ) 0xC0 , ( byte ) 0xF0 , ( byte ) 0x02 } ;
64 private byte [ ] S C P r o t o c o l I n i t i a t o r T a g = {
65 ( byte ) 0x1F , ( byte ) 0x5F , ( byte ) 0xA1 , ( byte ) 0xB2 } ;
66 short PTLVDataOffset = ( short ) 6 ;
67 short CTLVDataOffset = ( short ) 7 ;
68 short TLVLengthOffset = ( short ) 4 ;
69 short copyPointer = ( short ) 0 ;
70 byte [ ] SCDHData ;
71 f i n a l s t a t i c byte CLA = ( byte ) 0xB0 ;
72 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 ;
73 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 ) 0 x f f ;
74 f i n a l s t a t i c short SW_CLASSNOTSUPPORTED = 0 x6320 ;
75 f i n a l s t a t i c short SW_ERROR_INS = 0 x6300 ;
76 RandomData randomDataGen ;
77 Cipher pkCipher ;
78 short messageNumber = 0 ;
79 byte [ ] r e c e i v i n g B u f f e r = null ;
80 short b y t e s L e f t = 0 ;
81 short readCount = 0 ;
82 short rCount = 0 ;
83 short s i g n l e n g t h = 0 ;
84 private RSAPublicKey dhKey = ( RSAPublicKey ) KeyBuilder . buildKey
85 ( KeyBuilder .TYPE_RSA_PUBLIC,
86 KeyBuilder .LENGTH_RSA_2048, f a l s e ) ;
87 private byte [ ] randomExponent ;
88 f i n a l s t a t i c byte GEN_KEYCONTRIBUTION = 0x01 ;
314