[145699] in cryptography@c2.net mail archive
Collage
daemon@ATHENA.MIT.EDU (Jerry Leichter)
Wed Aug 18 11:14:33 2010
From: Jerry Leichter <leichter@lrw.com>
To: "cryptography@metzdowd.com List" <cryptography@metzdowd.com>
Date: Wed, 18 Aug 2010 08:21:40 -0400
Yesterday I asked about Haystack, an anti-censorship system that
appears to exist mainly as newspaper articles. So today I ran across
another system, which appears to be real: Collage (http://gigaom.com/2010/07/12/software-uses-twitter-flickr-to-let-dissidents-send-secret-messages/
), developed by a group at Georgia Tech and to be presented at
Usenix. On a crypto level, unlike Haystack, Collage is nothing new:
It uses steganographic techniques to hide text in photos. What it
contributes is easy to use software for both embedding and extracting
the data, integrated with Flickr.
-- Jerry
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