%% You should probably cite rfc2950 instead of this I-D. @techreport{altman-telnet-enc-cast128-cfb-00, number = {draft-altman-telnet-enc-cast128-cfb-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-altman-telnet-enc-cast128-cfb/00/}, author = {Jeffrey E. Altman}, title = {{Telnet Encryption: CAST-128 64 bit Cipher Feedback}}, pagetotal = 5, year = 1999, month = aug, day = 11, abstract = {This document specifies how to use the CAST-128 encryption algorithm in cipher feedback mode with the telnet encryption option. Two key sizes are defined: 40 bit and 128 bit. {[}STANDARDS-TRACK{]}}, }