The strange story of “Extended Random”
https://blog.cryptographyengineering.com/2017/12/19/the-strange-story-of-extended-random/ [blog.cryptographyengineering.com]
2017-12-22 04:22
A little more commentary on the funny TLS extension found in some printers.
Which brings us to the moral of the story: not only are cryptographic backdoors a terrible idea, but they totally screw up the assigned numbering system for future versions of your protocol.
Actually no, that’s a pretty useless moral. Instead, let’s just say that you can deploy a cryptographic backdoor, but it’s awfully hard to control where it will end up.
source: green