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I am using Mifare DESFire Smartcards and I am trying to read a file. I can select the application and get the ID of the file but how do I select and output this file?

APDUS I send: 
// Get Application ID
--> 0x90 6A 00 00 00
<-- 0x 93 B3 AE 91 00
// Select Application
--> 0x90 5A 00 00 03 93 B3 AE 00
<-- 0x91 00
// Get File ID
--> 0x90 6F 00 00 00
<-- 0x01 02 91 00

Am I doing everything right and what is the next step to select and output this file?

Chrisser
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1 Answers1

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Your APDU trace looks good.

Have a look at commands READ DATA and READ RECORDS in your product data sheet (depending on the access conditions you may need to use AUTHENTICATE as well).

Good luck!

vlp
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