Re: [s-t] bright lights, big computers digest #1

2005-02-04 Thread Eugen Leitl
[from somelist] > Subject: Re: [s-t] The return of Das Blinkenlight > Date: Mon, 31 Jan 2005 19:00:49 -0500 > > >In the early 90's I was a product manager for a (now-defunct) company > >that made LAN hubs-- this was when a 10Base-T port would cost you a couple > > > This reminded me of a story

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Justin
On 2005-02-04T14:30:48-0500, Mark Allen Earnest wrote: > The government was not able to get the Clipper chip passed and that was > backed with the horror stories of rampant pedophilia, terrorism, and > organized crime. Do you honestly believe they will be able to destroy > open source, linux, in

RE: Dell to Add Security Chip to PCs

2005-02-04 Thread Jason Holt
On Thu, 3 Feb 2005, Erwann ABALEA wrote: > And do you seriously think that "you can't do that, it's technically not > possible" is a good answer? That's what you're saying. For me, a better > answer is "you don't have the right to deny my ownership". Yes, Senator McCarthy, I do in fact feel safer

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Ian G
Ed Reed wrote: I'm just curious on this point. I haven't seen much to indicate that Microsoft and others are ready for a nymous, tradeable software assets world. No, and neither are corporate customers, to a large extent. Right, so my point (I think) was that without some indication that t

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Mark Allen Earnest
Trei, Peter wrote: It could easily be leveraged to make motherboards which will only run 'authorized' OSs, and OSs which will run only 'authorized' software. And you, the owner of the computer, will NOT neccesarily be the authority which gets to decide what OS and software the machine can run. If y

mmm, petits filous (was Re: NTK now, 2005-02-04)

2005-02-04 Thread R.A. Hettinga
At 5:45 PM + 2/4/05, Dave Green wrote: > mmm, petits filous > > Everyone else likes to worry about Google's gathering > conflict of interests, but Verisign's S.P.E.C.T.R.E.-level > skills still take some beating. This week, orbiting crypto >

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Steven M. Bellovin
In message <[EMAIL PROTECTED]>, Dan Kaminsky writes: > >>>Uh, you *really* have no idea how much the black hat community is >>>looking forward to TCPA. For example, Office is going to have core >>>components running inside a protected environment totally immune to >>>antivirus. >>> >>> >> >>Ho

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Dan Kaminsky
The best that can happen with TCPA is pretty good - it could stop a lot of viruses and malware, for one thing. No, it can't. That's the point; it's not like the code running inside the sandbox becomes magically exploitproof...it just becomes totally opaque to any external auditor. A black h

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Anne & Lynn Wheeler
Peter Gutmann wrote: Neither. Currently they've typically been smart-card cores glued to the MB and accessed via I2C/SMB. and chips that typically have had eal4+ or eal5+ evaluations. hot topic in 2000, 2001 ... at the intel developer's forums and rsa conferences

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Anne & Lynn Wheeler
Erwann ABALEA wrote: > I've read your objections. Maybe I wasn't clear. What's wrong in installing a cryptographic device by default on PC motherboards? I work for a PKI 'vendor', and for me, software private keys is a nonsense. How will you convice "Mr Smith" (or Mme Michu) to buy an expensive CC

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Dan Kaminsky
Uh, you *really* have no idea how much the black hat community is looking forward to TCPA. For example, Office is going to have core components running inside a protected environment totally immune to antivirus. How? TCPA is only a cryptographic device, and some BIOS code, nothing else. Does

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Eric Murray
On Thu, Feb 03, 2005 at 11:45:01PM -0600, Shawn K. Quinn wrote: > Isn't it possible to emulate the TCPA chip in software, using one's own > RSA key, and thus signing whatever you damn well please with it instead > of whatever the chip wants to sign? So in reality, as far as remote > attestation goe

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Anonymous
I spent considerable time a couple years ago on these lists arguing that people should have the right to use this technology if they want. I also believe that it has potential good uses. But let's be accurate. > Please stop relaying FUD. You have full control over your PC, even if this > one is e

Using TCPA

2005-02-04 Thread Eric Murray
On Thu, Feb 03, 2005 at 11:51:57AM -0500, Trei, Peter wrote: > It could easily be leveraged to make motherboards > which will only run 'authorized' OSs, and OSs > which will run only 'authorized' software. [..] > If you 'take ownership' as you put it, the internal > keys and certs change, and a

RE: Dell to Add Security Chip to PCs

2005-02-04 Thread Marcel Popescu
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Anonymous > The only people endangered by this capability are those who want to be > able to lie. They want to agree to contracts and user agreements that, > for example, require them to observe DRM restrictions and copyright > la

RE: Dell to Add Security Chip to PCs

2005-02-04 Thread Peter Gutmann
Erwann ABALEA <[EMAIL PROTECTED]> writes: >I've read your objections. Maybe I wasn't clear. What's wrong in installing a >cryptographic device by default on PC motherboards? I work for a PKI 'vendor', >and for me, software private keys is a nonsense. A simple crypto device controlled by the same

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Joseph Ashwood
- Original Message - From: "Shawn K. Quinn" <[EMAIL PROTECTED]> Subject: Re: Dell to Add Security Chip to PCs Isn't it possible to emulate the TCPA chip in software, using one's own RSA key, and thus signing whatever you damn well please with it instead of whatever the chip wants to sign

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Tyler Durden
I don't know how clear I can say this, your threat model is broken, and the bad guys can't stop laughing about it. Come on, now...who's going to be better at Security than Microsoft? Since bad guys won't be allowed inside the TCPA world then everything's going to be just fine. Seems like the "e

Re: Dell to Add Security Chip to PCs

2005-02-04 Thread Shawn K. Quinn
On Thu, 2005-02-03 at 22:25 +0100, Anonymous wrote: > The manufacturer issues a certificate on the public part of the EK, > called the PUBEK. This key is then used (in a somewhat roundabout > manner) to issue signed statements which attest to the software state > of the machine. These attestation