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jakobwenzel / MensaGuthaben

This app allows you to read the current balance of cards manufactured by Intercard and Magnacarta via NFC.
https://jakobwenzel.github.io/MensaGuthaben/
GNU General Public License v3.0
115 stars 27 forks source link

Doesn't work for berlin unis #44

Open Kreijstal opened 4 years ago

Kreijstal commented 4 years ago

Can we get it to work?

UnlimitedCookies commented 2 months ago

Can we get it to work?

In Berlin the card value probably sits encrypted on the card. Unless you break the encryption (e.g. get the encryption key through brute force) there is no way to get to the information stored on the card.