> If someone had wanted to make telnet encrypted, they would just have had to implement the standard telnet protocol and add another option in the protocol […]
This document describes a the telnet encryption option as a generic
method of providing data confidentiality services for the telnet data
stream. While this document summarizes currently utilized encryption
types and codes, it does not define a specific encryption algorithm.
Separate documents are to be published defining implementations of
this option for each encryption algorithm.