Re: Challenge to TCPA/Palladium detractors

2002-08-11 Thread Eugen Leitl
On Sat, 10 Aug 2002, R. Hirschfeld wrote: A trivial observation: this cannot be true across hardware platforms. Untrue, just use a VM. Open Boot Forth would do nicely. TCPA claims to be platform and OS agnostic, but Palladium does not. Have fun in that there tarpit.

Re: CDR: Re: Challenge to TCPA/Palladium detractors

2002-08-11 Thread Jim Choate
On Sun, 11 Aug 2002, Russell Nelson wrote: AARG!Anonymous writes: I'd like the Palladium/TCPA critics to offer an alternative proposal for achieving the following technical goal: Allow computers separated on the internet to cooperate and share data and computations such

Re: Re: Challenge to TCPA/Palladium detractors

2002-08-11 Thread Joseph Ashwood
- Original Message - From: Eugen Leitl [EMAIL PROTECTED] Can anyone shed some light on this? Because of the sophistication of modern processors there are too many variables too be optimized easily, and doing so can be extremely costly. Because of this diversity, many compilers use

Re: Challenge to TCPA/Palladium detractors

2002-08-11 Thread Russell Nelson
AARG!Anonymous writes: I'd like the Palladium/TCPA critics to offer an alternative proposal for achieving the following technical goal: Allow computers separated on the internet to cooperate and share data and computations such that no one can get access to the data outside the

Re: Challenge to TCPA/Palladium detractors

2002-08-10 Thread R. Hirschfeld
Date: Fri, 9 Aug 2002 19:30:09 -0700 From: AARG!Anonymous [EMAIL PROTECTED] Re the debate over whether compilers reliably produce identical object (executable) files: The measurement and hashing in TCPA/Palladium will probably not be done on the file itself, but on the executable content

Re: Challenge to TCPA/Palladium detractors

2002-08-09 Thread Eugen Leitl
On Wed, 7 Aug 2002, Matt Crawford wrote: Unless the application author can predict the exact output of the compilers, he can't issue a signature on the object code. The Same version of compiler on same source using same build produces identical binaries. compilers then have to be inside

Re: Challenge to TCPA/Palladium detractors

2002-08-09 Thread Eugen Leitl
On Fri, 9 Aug 2002, David Howe wrote: It doesn't though - that is the point. I am not sure if it is simply that there are timestamps in the final executable, but Visual C (to give a common example, as that is what the windows PGP builds compile with) will not give an identical binary, even

Re: Challenge to TCPA/Palladium detractors

2002-08-09 Thread Ken Brown
James A. Donald wrote: -- On Wed, 7 Aug 2002, Matt Crawford wrote: Unless the application author can predict the exact output of the compilers, he can't issue a signature on the object code. The On 9 Aug 2002 at 10:48, Eugen Leitl wrote: Same version of compiler on same

RE: Challenge to TCPA/Palladium detractors

2002-08-09 Thread Sam Simpson
I'm not surprised that most people couldn't produce a matching PGP executbales - most compilers (irrespective of compiler optimisation options etc) include a timestamp in the executable. Regards, Sam Simpson [EMAIL PROTECTED] http://www.samsimpson.com/ Mob: +44 (0) 7866 726060 Home

Re: Challenge to TCPA/Palladium detractors

2002-08-08 Thread R. Hirschfeld
Date: Wed, 7 Aug 2002 12:50:29 -0700 From: AARG!Anonymous [EMAIL PROTECTED] I'd like the Palladium/TCPA critics to offer an alternative proposal for achieving the following technical goal: Allow computers separated on the internet to cooperate and share data and computations such

Re: Challenge to TCPA/Palladium detractors

2002-08-08 Thread Matt Crawford
I'd like the Palladium/TCPA critics to offer an alternative proposal for achieving the following technical goal: Allow computers separated on the internet to cooperate and share data and computations such that no one can get access to the data outside the limitations and rules imposed

Re: Challenge to TCPA/Palladium detractors

2002-08-08 Thread AARG! Anonymous
Anon wrote: You could even have each participant compile the program himself, but still each app can recognize the others on the network and cooperate with them. Matt Crawford replied: Unless the application author can predict the exact output of the compilers, he can't issue a signature on

Re: Challenge to TCPA/Palladium detractors

2002-08-08 Thread R. Hirschfeld
Date: Thu, 8 Aug 2002 21:55:40 +0200 From: R. Hirschfeld [EMAIL PROTECTED] Date: Wed, 7 Aug 2002 12:50:29 -0700 From: AARG!Anonymous [EMAIL PROTECTED] I'd like the Palladium/TCPA critics to offer an alternative proposal for achieving the following technical goal: Allow