plz i need help about protecting jcop card , i writed my applet and test all isok , i want protect card fromp installing other applet as i read there is some exploit to read memory card if card not locked.. i read documention form my suplier and hall forum that talk about prepersonalisation but can't get it work in my card :
ii use eclipse with jcop plugin, i send atr then boot command + Atk then protect command this what i get
cm> /atr
resetCard with timeout: 0 (ms)
--Waiting for card...
ATR=3B FA 13 00 00 81 31 FE 45 4A 43 4F 50 32 31 56 ;.....1.EJCOP21V
32 33 32 92 232.
ATR: T=1, FI=1/DI=3 (93clk/etu), N=0, IFSC=254, BWI=4/CWI=5, Hist="JCOP21V232"
/send 00A4040010404142434445464748494a4b4c4d4e4f
=> 00 A4 04 00 10 40 41 42 43 44 45 46 47 48 49 4A .....@ABCDEFGHIJ
4B 4C 4D 4E 4F KLMNO
(18217 usec)
<= 6A 82 j.
Status: File not found
/send 00F00000
=> 00 F0 00 00 ....
(12348 usec)
<= 6E 00 n.
Status: CLA value not supported
also i want understand if i succed to protect card and fuse it , with defaults des key is this dangerous ? i mean from hacking side? or need also change des default key ? where i can found eeprom adress of key ? i asked my dealer he don't know what i talking about
thanks alot plz somone can help