Re:What's Inside the EU Green Pass QR Code?
by kag0 on Tuesday June 22, 2021 @02:18PM
(#27595177)
A two way handshake/challenge would be the ideal way to solve that.
ie. the patient would scan a qr code (containing a nonce) on the checkpoint, and include that number in the token which was then shown to the checkpoint.
ie. the patient would scan a qr code (containing a nonce) on the checkpoint, and include that number in the token which was then shown to the checkpoint.