From: Anders Sandberg (nv91-asa@nada.kth.se)
Date: Fri Dec 27 1996 - 08:08:31 MST
On Fri, 27 Dec 1996, siproj wrote:
> James Bamfords, 'The Puzzle Palace', has as one significant gist, SIGINT,
> that is the tool the NSA likes more than crackig codes. Interpretation
> of who, sent what types of message to whom when adn the subsequent chains
> therein generated lead to far more answers than any encrypted mesage
> unscrolled with much easier objectivity in what the meaning in the end is!
Interesting. I have been thinking of a way to avoid tracking of who sent
what to who: the participants (who may or may not have anything in common
other than participating in the group) use encrypted mailing software that
sends each mail to all others. Only the intended recipient can decrypt it,
the software of the others just disregards it once they have deduced it
wasn't for them. By also sending padding messages with no decryptable
content in a statistically determined way traffic analysis ought to become
very hard, perhaps impossible.
The drawback is the waste of bandwidth, but it is much simpler to use
than the dining cryptographers. Writing the software seems to be
relatively trivial script-writing; the problem is to make a good protocol
and ensure that it is hard to break.
-----------------------------------------------------------------------
Anders Sandberg Towards Ascension!
nv91-asa@nada.kth.se http://www.nada.kth.se/~nv91-asa/main.html
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