http://www.eff.org/IP/Video/HDTV/20020215_bpdg_compliance_rules.html
The content protection requirements set forth in the Compliance
Requirements and the requirements set forth in Sections X.6(c) and
X.7 shall be implemented in a reasonable method so
that they:
(a) Cannot be defeated or circumvented merely by
using general-purpose tools or equipment that are widely available at a
reasonable
price, such as screwdrivers, jumpers, clips and
soldering irons ("Widely Available Tools"), or using specialized
electronic tools or
specialized software tools that are widely
available at a reasonable price, such as EEPROM readers and writers,
debuggers or
decompilers ("Specialized Tools"), other than
devices or technologies whether Hardware or Software that are designed
and made
available for the specific purpose of bypassing or
circumventing the protection technologies used to meet the requirements
set forth in
this Section X ("Circumvention Devices"); and
(b) Can only with difficulty be defeated or
circumvented using professional tools or equipment, such as logic
analyzers, chip
disassembly systems, or in-circuit emulators or any
other tools, equipment, methods, or techniques not described in Section
X.10(a)
such as would be used primarily by persons of
professional skill and training, but not including professional tools or
equipment that are
made available only on the basis of a
non-disclosure agreement or Circumvention Devices.
--
Trade with all, make treaties with none, and beware of foreign
entanglements.
-George Washington