@misc{rfc1994,
    series =    {Request for Comments},
    number =    1994,
    howpublished =  {RFC 1994},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC1994},
    url =       {https://www.rfc-editor.org/info/rfc1994},
    author =    {William A. Simpson},
    title =     {{PPP Challenge Handshake Authentication Protocol (CHAP)}},
    pagetotal = 13,
    year =      1996,
    month =     aug,
    abstract =  {This document defines a method for Authentication using PPP, which uses a random Challenge, with a cryptographically hashed Response which depends upon the Challenge and a secret key. {[}STANDARDS-TRACK{]}},
}