From: Abhijeet Mamarde (developer_abhijeetrediffmail.com)
Date: Thu Feb 24 2005 - 13:42:49 CST

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   hi, I am final year engineering student and i am making a smart card application for the student on Linux platform as my project. So, for that i had brought Castles Technologies EZ100PR (serial) smart card reader. Actually i had brought one PC BASED SMART CARD SDK from MTECH (Pune, India) company. Accompanying with it there was two smart cards. I had tried, a lot to understand how to read/write data from/to smart card. I am using the pcsclite version 1.1.1. But then i come to know that the smart card which i had is actually the logic card i.e. it is not the smart card satisfying the T=0 or T=1 protocol. This is obivious from the ATR (Answer To Request) of my cards. The ATR of my cards is 24 bytes long. It is as follows : 1. (hex) 0x3b - (dec) 59 - ; 2. (hex) 0xbf - (dec) 191 - + 3. (hex) 0x18 - (dec) 24 -  4. (hex) 0x 0 - (dec) 0 - 5. (hex) 0x80 - (dec) 128 - Ç 6. (hex) 0x31 - (dec) 49 - 1 7. (hex) 0x70 - (dec) 112 - p 8. (hex) 0x35 - (dec) 53 - 5 9. (hex) 0x53 - (dec) 83 - S 10. (hex) 0x54 - (dec) 84 - T 11. (hex) 0x41 - (dec) 65 - A 12. (hex) 0x52 - (dec) 82 - R 13. (hex) 0x43 - (dec) 67 - C 14. (hex) 0x4f - (dec) 79 - O 15. (hex) 0x53 - (dec) 83 - S 16. (hex) 0x20 - (dec) 32 - 17. (hex) 0x53 - (dec) 83 - S 18. (hex) 0x32 - (dec) 50 - 2 19. (hex) 0x31 - (dec) 49 - 1 20. (hex) 0x20 - (dec) 32 - 21. (hex) 0x43 - (dec) 67 - C 22. (hex) 0x90 - (dec) 144 - É 23. (hex) 0x 0 - (dec) 0 - 24. (hex) 0x9b - (dec) 155 - ¢ So I had called back to the person from the same company and asked him about the type of the card. He told me it is SLE4428. After this information i had again tried to read the data. Now I can read it. (1024 bytes). But now i am unable to write the data. After searching, i again come to know that these cards has 2 byte long PSC (Programmable Security Code) which must be verified before any write operation is performed. So, I again search for the PSC code for the test cards i.e. the cards which is send for the first time. So somewhere I read that it is 0xFE 0xFF for the test cards. But it is not in my case. So, can anybody please help me to solve this problem ??? Any help is welcomed Thanx for your help in advance

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