Reply To: DESFire EV1 SelectApplication Command

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Re: DESFire EV1 SelectApplication Command

22. March 2017 at 9:35
Hi Hadi,

This has nothing to do with the DESFire, but with the transport layer or driver in between. For the DESFire it is a single byte command and all other single bytes commands should also work. If you use a multi byte command it could be, to put the first byte as INS byte, P1 = P2 = 0, and all other bytes as data packet.

Single byte command:
90 CC 00 00 00 (CC = command code)
Multi byte command (here four bytes):
90 CC 00 00 LL D1 D2 D3 00
where CC first byte of command, LL length of Dx bytes, D1 second byte of command,…

If this really works depends on the driver architecture.

Regards,
The TapLinx team
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