read CPABE user key from external source
As soon as the The CPABE algorithms run in JS, the user/private key can be read from user input (e.g. drag-and-drop file input) (see #8). However, in the long run it may be more secure to read it from a QR code via the user's webcam.
Definition of Done:
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plan this issue
Hints:
- Also create an issue to make the RegAuth create such QR codes instead of pushing the user key to KeyCloak. The QR code may then be distributed via snail mail.
Edited by Ilka Schulz