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[liberationtech] NSA History of Traffic Analysis

Eugen Leitl eugen at leitl.org
Wed Jul 24 23:38:31 PDT 2013


----- Forwarded message from John Young <jya at pipeline.com> -----

Date: Wed, 24 Jul 2013 19:01:34 -0400
From: John Young <jya at pipeline.com>
To: Crypto List <cryptography at randombit.net>, cypherpunks at cpunks.org
Subject: NSA History of Traffic Analysis
X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9

NSA released on 23 July 2013 "The History of Traffic Analysis:
World War I-Vietnam."

http://www.nsa.gov/about/_files/cryptologic_heritage/publications/misc/traffic_analysis.pdf

It notes the formation of T/A (Traffic Analysis) and C/A (Cryptanalysis)
as the two elements of code-breaking, using the mail analogy of T/A
for the envelope, C/A for the contents.

As noted elsewhere T/A is now publicized as "metadata."



----- End forwarded message -----
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Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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