What documents do I need for non-taplinx IOS/Android Desfire development?

MrRieding — Mon, 08 Sep 2025 20:34:21 GMT

Basically, I have a NDA signed, but I need to know how to change keys to AES, use the proper nonces and cmac communication in an app that cannot use taplinx. What documents might I need to gain access to in order to do this manually?

Re: What documents do I need for non-taplinx IOS/Android Desfire development?

EduardoZamora — Tue, 09 Sep 2025 20:51:00 GMT

Hello @MrRieding,

Hope you are doing well.

Documentation, software and other resources supporting this device are secured under NDA (Non-Disclosure Agreement), the information is not public, and it is located under the MIFARE DESFire EV3 Secure Files.

If you already have a valid NDA, you will need to request access to the documentation through Secure Access Rights by following the instructions from this page: Secure Access Rights | NXP Semiconductors. Also, I would recommend checking the Secure Access Rights FAQs | NXP Semiconductors.

Regards,
Eduardo.

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