[147150] in cryptography@c2.net mail archive
Re: [Cryptography] prism proof email, namespaces, and anonymity
daemon@ATHENA.MIT.EDU (StealthMonger)
Mon Sep 16 01:50:13 2013
X-Original-To: cryptography@metzdowd.com
From: StealthMonger <StealthMonger@nym.mixmin.net>
To: "cryptography\@metzdowd.com List" <cryptography@metzdowd.com>,
Crypto List <cryptography@randombit.net>
In-Reply-To: <D7C5DA65-3E5E-4006-9E7A-F9F9C8A78B77@gmail.com> (John Kelsey's
message of "Sun, 15 Sep 2013 10:50:38 -0400")
Date: Mon, 16 Sep 2013 01:31:18 +0100 (BST)
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com
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John Kelsey <crypto.jmk@gmail.com> writes:
> In the overwhelming majority of cases, I know and want to know the
> people I'm talking with. I just don't want to contents of those
> conversations or the names of people I'm talking with to be revealed
> to eavesdroppers. And if I get an email from one of my regular
> correspondents, I'd like to know it came from him, rather than being
> spoofed from someone else.
That's a good description of stealthmail [1]. My only regret is that it
badly needs an update and I don't have time these days to work on it.
But it still works out of the box. Here's the Debian description:
Package: stealthmail
Architecture: all
Pre-Depends: gnupg
Depends: procmail, esubbf, openssl, dc, libssl0.9.6 | libssl0.9.7,
fetchmail | kmail, suck, ppp, solid-pop3d, exim | exim4, dpkg (>=3D 1.10.2=
1),
grep (>=3D 2.5), bash (>=3D 2.05b), ${shlibs:Depends}, ${misc:Depends}
Description: scripts to hide whether you're doing email, or when, or with w=
hom
Maintain on-going random cover traffic via usenet newsgroup
alt.anonymous.messages, substituting encrypted live traffic when
available. A live message is indistinguishable from a random cover
message except with the decryption keys. All potential participants
send messages to alt.anonymous.messages with rigid periodicity
uncorrelated with any live traffic, and maintain an uninterrupted
full feed from alt.anonymous.messages, so that an observer cannot
determine whether, when, or among whom live communication is
happening.
.
Members of a "stealthmail group" -- call it "OurGroup" for purposes
of this discussion -- are defined by their knowledge of the
encryption keys created for the group. With this package installed,
mail addressed to OurGroup@stealthmail does not go directly to the
Internet like ordinary mail, but gets encrypted by the OurGroup key,
given an encrypted subject intelligible only with OurGroup keys, and
queued to go to alt.anonymous.messages in place of a piece of cover
traffic at the next scheduled sending time. Meanwhile, all messages
appearing on alt.anonymous.messages are downloaded into an incoming
queue. A POP3 server runs on the local host. The mail reader is
provided with filters so that when it fetches mail from this local
server, messages having subject lines encrypted for OurGroup (or any
other stealthmail group of which this host is a member) are decrypted
by the appropriate key and presented. Other messages are discarded.
[1] See mailto URL below.
=2D-=20
-- StealthMonger <StealthMonger@nym.mixmin.net>
Long, random latency is part of the price of Internet anonymity.
anonget: Is this anonymous browsing, or what?
http://groups.google.ws/group/alt.privacy.anon-server/msg/073f34abb668df=
33?dmode=3Dsource&output=3Dgplain
stealthmail: Hide whether you're doing email, or when, or with whom.
mailto:stealthsuite@nym.mixmin.net?subject=3Dsend%20index.html
Key: mailto:stealthsuite@nym.mixmin.net?subject=3Dsend%20stealthmonger-key
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