Ideas for a DESFire app?

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Now that I’m learning how to manipulate applications, files, and settings on the DESFire, I’m trying to think of a simple app idea. Anyone have any suggestions?

  • Python Flask app to interact via web browser
  • Store Linux app configurations that auto deploy from an AID file
  • Crypto seed or GPG key storage
  • Store and deploy Docker or Docker Compose files

I haven’t played with all file types much. There’s a backup file type that I think has a “commit” feature with integrity checks. Value files store single digits, while linear record files maintain an append only log. Cyclic files overwrite the oldest record. Finally transaction-MAC files that have integrity protection.

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“Business card” NDEF

This might be a good head start

Some form of storage manager?
Like the Apex / FlexSecure

Actually, heres some more ideas for you, What about pick-a-backing off @tac0s work he did for the flex secure on Global Platform

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Alright. So i’ve had a really goofy idea and haven’t gotten around to it nor do i see time available for it. What about using a cyclic record as a chat room?