This attack 👊 makes double encryption insufficient/almost useless , and for example, this is why DES <Data Encryption Standard> using as 3DES tripple encryption and not double . Side note: for most cases using different keys for each encryption layer. 🔑

Basic Idea 🧠 of this attack — that to…

Denys Popov

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store