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I created a DF File and some sons EF and sons DF under it. Then I SELECT the file and perform GET RESPONSE command. I am expecting data from the get response command but instead I receive 6400. 6400 is 'No Diagnosis'

I have no idea what might cause this error.

Mags
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1 Answers1

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You can try select file command after select MF and after that select DF and so on which level you want to select. It could be bug in card OS also. It will be more clear if you can share full APDU traces and card type.

Deepanshu
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  • I am selecting level 2 DF – Mags Mar 10 '20 at 10:36
  • 00A40000023F00 SW 9000 00200000 08 SW 9000 00A40000 02 1000 SW 9000 00C00000 1C SW 6400 I am actually using a IFX card and has a specific product manual Manual is based on standards also. Difference only on the specific file for the product. I was also thinking of the OS bug. but how can I be sure? – Mags Mar 10 '20 at 10:42
  • Get response command is not required here. Because If SW1 is set to '61', then the process is completed and before issuing any other command, a GET RESPONSE command may be issued with the same CLA and using SW2. – Deepanshu Mar 11 '20 at 05:14