1

I'm looking of some kind of solution that enables me to print some kind of "encrypted" QR codes, so scanning of it with regular QR-code reader will display non-sense, but scanning with some "special" QR-code reader in which I enter some kind of "decryption key", will display correct text.

I'm not looking to real good encryption, just some kind of "security-by-obscurity" or "just XOR" will work for me. It isn't meant to resists vs dedicated hacker, only to create some barrier.

It should be fairly easy programmed, but I rather using existing solution, preferable some form of Android Application.

Improve this question
4
  • 2
    That's an XY problem question and a recommendation question, so it's off-topic. I guess your actual problems could be solved by guys at Information Security.
    – gronostaj
    Apr 19, 2016 at 11:09
  • Couldn't you just print a regular QR code with the data inside it encrypted?
    – u1686_grawity
    Apr 19, 2016 at 11:24
  • How about this?
    – jcbermu
    Apr 19, 2016 at 11:24
  • @jcbermu that's seems what I'm looking for, thanks!
    – Leotsarev
    Apr 19, 2016 at 12:02

1 Answer 1

Reset to default
0

One simple-seeming answer (that I haven't tried) might be to print the QR code as a "negative" -- that is, invert the blacks and whites. A common QR reader won't recognize it then, but all that's required to use it is to take a photo, invert it with photo editing software (provided on the phone or user installed), then feed the inverted photo to the QR reader. For folks too young to have handled a lot of photographic negatives, this would require "out of the box" thinking to bypass.

Improve this answer

Not the answer you're looking for? Browse other questions tagged .