Network Working Group T. Ts'o Request for Comments: 2946 VA Linux Systems Category: Standards Track September 2000 Telnet Data Encryption Option Status of this Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2000). All Rights Reserved. Abstract 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. 1. Command Names and Codes ENCRYPT 38 Encryption Commands IS 0 SUPPORT 1 REPLY 2 START 3 END 4 REQUEST-START 5 REQUEST-END 6 ENC_KEYID 7 DEC_KEYID 8 Encryption Types NULL 0 DES_CFB64 1 DES_OFB64 2 Ts'o Standards Track