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Protected Headers for Cryptographic E-mail

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Bjarni Rúnar Einarsson , "juga" , Daniel Kahn Gillmor
Last updated 2020-06-22 (Latest revision 2019-12-20)
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


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.


Bjarni Rúnar Einarsson
Daniel Kahn Gillmor

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)