How to calculate PCB byte for apdu command
Question
I need simple example for calculate PCB bit for APDU command. For example I have command select aplet:
{ 0x00, 0xA4, 0x04, 0x00, 0x06, 0x9A, 0xFC, 0xC3, 0x22, 0x88, 0x91 };
were byte is:
- CLA
- INS
- P1
- P2
- Len
- Aplet ID(6 byte)
How I can calculate PCB for its command?
I know that it byte must be '0x02', but how to calculate it dynamically?
Thank you!
Solution
Google Books has the "Smart Card Handbook By Wolfgang Rankl, Wolfgang Effing". It has tables 9-5 through 9-7 which give the PCB format.
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