Hi,

I use GPK4000 card and have just written Internal Authenticate method.
Everything seems fine (response codes SW1,SW2 are OK) but the problem is
how to retrieve the response (cryptogram).
opencard.core.terminal.ResponseAPDU.data() returns null. The GPK4000
manual says that I should use Get Response command but there is nothing
on  how to implement it.

Waiting for feedback,

Bartek Paszkowski.



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