A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : A List-safe Canonicalization for DomainKeys Identified Mail (DKIM)
Author : Murray S. Kucherawy
Filename : draft-kucherawy-dkim-list-canon-00.txt
Pages : 8
Date : 2014-06-07
Abstract:
DomainKeys Identified Mail (DKIM) introduced a mechanism whereby a
mail operator can affix a signature to a message that validates at
the level of the signer's domain name. It specified two possible
ways of converting the message body to a canonical form, one
intolerant of changes and the other tolerant of simple changes to
whitespace within the message body.
The provided canonicalization schemes do not tolerate changes in a
structured message such as conversion between transfer encodings or
addition of new message parts. It is useful to have these
capabilities to allow for transport through gateways, and also for
transport through handlers (such as mailing list services) that might
add content that would invalidate a signature generated using the
existing canonicalization schemes.
This document presents a mechanism for generating a canonicalization
that can allows easy detection of modified content while still being
valid for the content it originally signed. It also presents a use
profile of DKIM that takes advantage of this capability.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-kucherawy-dkim-list-canon/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-kucherawy-dkim-list-canon-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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