On Tue, 18 Nov 2008 14:30:00 +0000, Guy Macon wrote:
> The talk of "owner****p" is confusing the issue. There is no such
> concept in TPM. If TPM is turned on and you load Windows, then
> Windows "owns" all the hardware including the TPM chip, and of
> course Microsoft owns Windows. If TPM is turned on and you load
> Linux, then Linux "owns" all the hardware including the TPM chip,
> and you own your copy of Linux.
>
> Note the "if TPM is turned on" qualifier. The BIOS is responsible
> for turning on the TPM chip. At power-on, the BIOS either activates
> the TPM chip (and then does various other things) or deactivates the
> TPM chip, in which case it remains deactivated until the next power
> cycle. No operating system or application can reactivate it without
> cycling the power.
>
> Can TPM "hide data from the owner against his interests in favor
> of the interests of a copyright holder?" If the owner tells the
> BIOS to turn on TPM and then loads an OS that does the above
> (I am looking at you, Vista) yes. If the owner disables TPM in
> the Bios or loads an OS that doesn't do the above, then no.
>
> What the TPM chip is really good at is storing certain data
> (keys) and not letting it out unless it gets matching hashes
> that tell it that the same BIOS, extension BIOSes, MBR, GRUB
> bootstrap stages / Windows bootloader and other designated
> files such as the Linux or Windows kernel are the same as
> what stored the data. This stops you from booting to a
> Knoppix CD and extracting the keys from Windows. This
> also stops you from removing a Linux hard drive, mounting
> it as a secondary drive on a Windows box and extracting
> the keys. It also stops you from changing the OS without
> powering down and extracting the keys from RAM.
>
> Can the TPM chip be used for Evil? Yes, but only if you
What a load of Bull****.
--
http://www.youtube.com/watch?v=fJVydzNJrno
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