Privacy Captcha: How to ecrypt optically your data
Privacy captcha is an image that can hide your data when you transfer it on an open channel. "To hide" means that it can not be read automatically (e.g. by hackers or other listeners), but only by humans. It might be a photo of your dear cat or your banc account number. Listeners will not know.
You can produce your own captcha online at https://privacy-captcha.com and then download your own captcha (by rightclicking on the image) or by downloading the software to your computer.
This service is a gift by the well-known German club digitalcourage and by The Digital Native (don't ask me who they are!).
Enclosed, you see an example:
You can produce your own captcha online at https://privacy-captcha.com and then download your own captcha (by rightclicking on the image) or by downloading the software to your computer.
This service is a gift by the well-known German club digitalcourage and by The Digital Native (don't ask me who they are!).
Enclosed, you see an example:
AndreaHerrmann - 4. Nov, 14:58
