We offer "High-bandwidth Digital Content Protection System," 
Version 1.0, 17 February 2000:

  http://cryptome.org/hdcp-v1.htm (98K text, 20 images)

This is a 61-page document contains no information on its 
author or source but appears to be a specification for the system 
released by Intel in February 2000 which aims to control digital
signals to monitors in order to prevent unauthorized copying 
and/or access to digital content.

There were several news reports then on HDCP, one here:

  http://www.techweb.com/wire/story/TWB20000218S0008

Which states:

"At the Intel Developer Forum, Intel unveiled a copy protection 
scheme that will add a layer of encryption between the system and
the digital display. 

The High-bandwidth Digital Copy Protection (HDCP) approach 
encrypts each pixel as it moves from a PC or set-top box
to digital displays, such as digital flat panels and high-definition 
televisions. 

HDCP is an Intel-developed specification that will complement 
the work developed with the Digital Display Working Group
(DDWG), said Mark Waring, an Intel technology initiatives 
manager who is the DDWG secretary. 

While the Digital Transmission Content Protection approach 
provides encryption for digital content as it moves over a 1394
interface, the HDCP is complementary. 

'HDCP encrypts the final link, from the device to the display, 
that has been the missing link [in the various copy protection
schemes developed thus far],' said Waring.

Intel will release a draft version of the license agreement by 
Monday at the Digital Content Protection website. Also, 
individuals can go to the site to request a copy of the
specification."

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