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Chaffinch: Confidentiality in the Face of Legal Threats
A confidentiality mechanism based on an authentication scheme, similar to Rivest's chaffing and winnowing. Attempts to protect against the Regulation of Investigatory Powers Act 2000.Mon Sep 18 14:14:06 2006 - permalink -- http://www.cl.cam.ac.uk/~rnc1/Chaffinch.html