@techreport{autocrypt-lamps-protected-headers-02,
    number =    {draft-autocrypt-lamps-protected-headers-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-autocrypt-lamps-protected-headers/02/},
    author =    {Bjarni Rúnar Einarsson and "juga" and Daniel Kahn Gillmor},
    title =     {{Protected Headers for Cryptographic E-mail}},
    pagetotal = 69,
    year =      2019,
    month =     dec,
    day =       20,
    abstract =  {This document describes a common strategy to extend the end-to-end cryptographic protections provided by PGP/MIME, etc. to protect message headers in addition to message bodies. In addition to protecting the authenticity and integrity of headers via signatures, it also describes how to preserve the confidentiality of the Subject header.},
}