@techreport{williams-kitten-krb5-extra-rt-04,
    number =    {draft-williams-kitten-krb5-extra-rt-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-williams-kitten-krb5-extra-rt/04/},
    author =    {Nicolás Williams and Roland C. Dowdeswell},
    title =     {{Negotiation of Extra Security Context Tokens for Kerberos V5 Generic Security Services Mechanism}},
    pagetotal = 23,
    year =      2014,
    month =     nov,
    day =       20,
    abstract =  {This Internet-Draft proposes an extension to the Kerberos V5 security mechanism for the Generic Security Services Application Programming Interface (GSS-API) for using extra security context tokens in order to recover from certain errors. Other benefits include: user-to-user authentication, authenticated errors, replay cache avoidance, and others.},
}