[free-sklyarov] Another Cryptography Paper suppressed from the DMCA

Jon O . jono at microshaft.org
Wed Aug 15 12:22:15 PDT 2001

----- Forwarded message -----

To: dmca_discuss at lists.microshaft.org
Subject: [DMCA_discuss] Cryptography Paper suppressed from the DMCA
Date: Wed, 15 Aug 2001 10:13:44 -0700

Niels Ferguson has found a weakness in the HDCP content
protection system. However, he can not publish the
results due to DMCA issues.

He has written a paper regarding this issue here:

Censorship in action:
why I don't publish my HDCP results

Recently I found the documentation of the High-bandwidth Digital Content Protection 
(HDCP) system on the internet. HDCP is a cryptographic system developed by Intel 
that encrypts video on the DVI bus. The DVI bus is used to connect digital video 
cameras and DVD players with digital TVs, etc. The aim of HDCP is to prevent 
illegal copying of video contents by encrypting the signal. 



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