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Re: Part 2: System Structure
From: |
Jonathan S. Shapiro |
Subject: |
Re: Part 2: System Structure |
Date: |
Fri, 19 May 2006 12:12:36 -0400 |
On Fri, 2006-05-19 at 14:21 +0200, Pierre THIERRY wrote:
> Scribit Bas Wijnen dies 19/05/2006 hora 11:34:
> > Currently, I am root on my computer. There is no way you can let me
> > run a program on a GNU/Linux machine where I am root without allowing
> > me to see the binary.
>
> Would that be different when you are the owner on the constuctor-based
> system? I don't think so.
Yes. It would be different. In the absence of a TPM chip, the system can
be constructed in such a way that disk forensics (or more simply:
examination of the installation CD) is required. In the *presence* of a
TPM chip, inspection can be prohibited.
In practice, inspection of the code and initial data probably isn't a
critical issue, and I think that allowing it in general poses no great
difficulties.
The complicated issue is inspection of runtime state, which definitely
*can* be prevented in a constructor system, with or without the TPM
chip.
All of this assumes no bus probes.
shap
- Re: Part 2: System Structure, (continued)
- Re: Part 2: System Structure, Bas Wijnen, 2006/05/18
- Re: Part 2: System Structure, Pierre THIERRY, 2006/05/19
- Re: Part 2: System Structure, Bas Wijnen, 2006/05/19
- Re: Part 2: System Structure, Pierre THIERRY, 2006/05/19
- Re: Part 2: System Structure, Michal Suchanek, 2006/05/19
- Re: Part 2: System Structure, Pierre THIERRY, 2006/05/19
- Re: Part 2: System Structure, Bas Wijnen, 2006/05/19
- Re: Part 2: System Structure, Michal Suchanek, 2006/05/19
- Re: Part 2: System Structure, Pierre THIERRY, 2006/05/19
- Re: Part 2: System Structure, Bas Wijnen, 2006/05/19
- Re: Part 2: System Structure,
Jonathan S. Shapiro <=
- Re: Part 2: System Structure, Jörg Bornschein, 2006/05/19
- Message not available
- Re: Part 2: System Structure, Jörg Bornschein, 2006/05/19
- Re: Part 2: System Structure, Jonathan S. Shapiro, 2006/05/19
- Re: Part 2: System Structure, Jörg Bornschein, 2006/05/19
- Re: Part 2: System Structure, Jörg Bornschein, 2006/05/19
- Re: Part 2: System Structure, Jonathan S. Shapiro, 2006/05/19
- Re: Part 2: System Structure, Jonathan S. Shapiro, 2006/05/19
- Re: Part 2: System Structure, Pierre THIERRY, 2006/05/18
- Re: Part 2: System Structure, Jonathan S. Shapiro, 2006/05/18
- Re: Part 2: System Structure, Marcus Brinkmann, 2006/05/19