Microsft patent and cbdtpa

[Chris Palmer]

Interesting article about Microsoft and the CBDTPA

http://www.linuxandmain.com/news/cbdtpa.html

:

"A fundamental building block for client-side content security is a secure
operating system. If a computer can be booted only into an operating system
that itself honors content rights, and allows only compliant applications to
access rights-restricted data, then data integrity within the machine can be
assured. This stepping-stone to a secure operating system is sometimes
called 'Secure Boot.' If secure boot cannot be assured, then whatever rights
management system the secure OS provides, the computer can always be booted
into an insecure operating system as a step to compromise it."

"The patent having been granted, "secure boot" technology now must take
place under license from Microsoft. And it applies to almost any
microprocessor-based device, according to the filing:

....

Microsoft's method involves assigning a public-key encryption pair to each
microprocessor, which would refuse to run software that did not properly
authenticate itself.

"The Hollings bill would require that all new digital equipment carry
anti-piracy protection of the type that Microsoft has now patented. "


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