I note the wrong end of the stick has been grasped on several occasions. The [ukcrypto] mailing list has noted that a mandatory feature of TCPA, the (cross-supplier) hardware architecture on which the (Microsoft) Palladium software architecture is based, is that any hardware security features _must be capable of being turned off in the BIOS_. And a feature of TCPA is that that BIOS will be secure, so nothing can hijack the BIOS.
Of course, this might mean that software which requires those features will pop up a dialog box if they're disabled, but alternative operating systems will continue to work no matter their level of support for TCPA. There is a *very* competent person on the list who is a member of one of the TCPA steering committees: he is doing a good job of damping down the more strident rhetoric and half-baked ideas that are being proposed (sounds familiar ;) Alastair
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