Re:A simple, intuitive, low-cost alternative to NFC and QR C...
by stcredzero on Tuesday November 20, 2012 @05:08PM
(#4811623)
> It would be better if the application could work without an internet connection...is your system immune to "replay" attacks?
How would you reply to the observation that an app that prints out one-time use QR codes would: 1) have much the same functionality, 2) require no extra hardware for most shop owners, 3) be quite workable for customers with no smartphone, and 4) be immune to replay attacks?
How would you reply to the observation that an app that prints out one-time use QR codes would: 1) have much the same functionality, 2) require no extra hardware for most shop owners, 3) be quite workable for customers with no smartphone, and 4) be immune to replay attacks?