[Improvment] Expiration timer for the PIN code in cache

Toporin / Seedkeeper-iOS

iOS app to use Seedkeeper on an iPhone. Backup and recover your most precious secrets with a tap on your phone!

GNU General Public License v3.0

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[Improvment] Expiration timer for the PIN code in cache #40

Open Bastien-Satochip opened 1 month ago

Bastien-Satochip commented 1 month ago

Currently the PIN code is set in cache until the application is shutted down. For a good balance between ease of use (UX) and security, could we implement some expiration rules on the PIN cache?

By default, the PIN provided is put in cache:

if the app is not touched for 2 minutes, the cache is emptied.
in any case, the PIN is required for the "Change PIN" function (see https://github.com/Toporin/Seedkeeper-iOS/issues/35)