Re: Quantum Cryptography

2007-06-27 Thread Jon Callas
On Jun 26, 2007, at 10:10 AM, Nicolas Williams wrote: This too is a *fundamental* difference between QKD and classical cryptography. What does this classical word mean? Is it the Quantum way to say real? I know we're in violent agreement, but why are we letting them play language games?

History, context, QKD and the Internet

2007-06-27 Thread John Lowry
I'm old enough to remember hearing (I've worked at BBN for a long time now) that connecting computers on a large scale just isn't going to work, that I would never need more than 4MB of main memory, etc. Any reader can fill out the rest without my risking being pedantic. I do remember

Re: Free Rootkit with Every New Intel Machine

2007-06-27 Thread Jacob Appelbaum
Jon Callas wrote: On Jun 25, 2007, at 7:23 PM, Matt Johnston wrote: On Mon, Jun 25, 2007 at 04:42:56PM +1200, David G. Koontz wrote: Apple (mis)uses TPM to unsuccessfully prevent OS X from running on non-Apple Hardware. All Apple on Intel machines have TPM, that's what 6 percent of new

Re: Free Rootkit with Every New Intel Machine (aka TPM, AMT)

2007-06-27 Thread Jeff . Hodges
i'd also scrawled: my understanding from a person active in the NEA working group [1] (IETF) is that TPMs these days come along for free because they're included on-die in at least one of said chips. [EMAIL PROTECTED] said: Check again. A few months ago I was chatting with someone who

RE: question re practical use of secret sharing

2007-06-27 Thread Geoffrey Hird
Peter Gutmann writes: Is anyone aware of a commercial product that implements secret sharing? If so, can I get a pointer to some product literature? It's available as part of other products (e.g. nCipher do it for keying their HSMs) Do you mean the k of n operator cards? For those, I

anti-RF window film

2007-06-27 Thread Steven M. Bellovin
http://www.sciam.com/article.cfm?articleid=6670BF9B-E7F2-99DF-3EAC1C6DC382972F A company is selling a window film that blocks most RF signals. The obvious application is TEMPEST-shielding. I'm skeptical that it will be very popular -- most sites won't want to give up Blackberry and cell

Re: Quantum Cryptography

2007-06-27 Thread [EMAIL PROTECTED]
On 6/25/07, Greg Troxel [EMAIL PROTECTED] wrote: 1) Do you believe the physics? (Most people who know physics seem to.) For those who would like to know a little more about the physics, see: http://www.icfo.es/images/publications/J05-055.pdf, Quantum Cloning, Valerio Scarani, Sofyan

TPM, part 2

2007-06-27 Thread Leichter, Jerry
All your data belong to us. From Computerworld. -- Jerry Trusted Computing Group turns attention to storage Chris Mellor June 24, 2007 (TechWorld.com) The Trusted Computing Group has announced a draft specification aimed at helping

The bank fraud blame game

2007-06-27 Thread Leichter, Jerry
As always, banks look for ways to shift the risk of fraud to someone - anyone - else. The New Zealand banks have come up with some interesting wrinkles oh this process. From Computerworld. -- Jerry NZ banks demand a peek at customer PCs

Re: anti-RF window film

2007-06-27 Thread Leichter, Jerry
| http://www.sciam.com/article.cfm?articleid=6670BF9B-E7F2-99DF-3EAC1C6DC382972F | | A company is selling a window film that blocks most RF signals. The | obvious application is TEMPEST-shielding. I'm skeptical that it will | be very popular -- most sites won't want to give up Blackberry and |

Re: The bank fraud blame game

2007-06-27 Thread dan
[ This may well be OT; I leave that to the moderator. ] Leichter, Jerry writes: -+--- | As always, banks look for ways to shift the risk of | fraud to someone - anyone - else. The New Zealand | banks have come up with some interesting wrinkles on | this process. |

Re: Free Rootkit with Every New Intel Machine

2007-06-27 Thread Hal Finney
Peter Gutmann writes: BitLocker just uses the TPM as a glorified USB key (sealing a key in a TPM is functionally equivalent to encrypting it on a USB key). Since BitLocker isn't tied to a TPM in any way (I'm sure Microsoft's managers could see which way the wind was blowing when they designed

Re: History, context, QKD and the Internet

2007-06-27 Thread Danilo Gligoroski
At 11:08 PM 6/26/2007, John Lowry wrote: ... Also, a small revolution has been taking place while discussion (on this list anyway) has focused on 1st generation QKD. Several very high speed (up to nominal line speed) systems have been proposed. Long-haul all- optical networks are being

Re: History, context, QKD and the Internet

2007-06-27 Thread Perry E. Metzger
John Lowry [EMAIL PROTECTED] writes: The world of computing and communication sure looks different 40+ years later. So I encourage you to look at QKD in context. I know everything is moving in internet time but remember just how recently QKD has been dragged off of the physics optics bench

Re: The bank fraud blame game

2007-06-27 Thread Leichter, Jerry
| Leichter, Jerry writes: | -+--- | | As always, banks look for ways to shift the risk of | | fraud to someone - anyone - else. The New Zealand | | banks have come up with some interesting wrinkles on | | this process. | | | | This is *not* a power play by banks, the

Re: Quantum Cryptography

2007-06-27 Thread Nicolas Williams
On Tue, Jun 26, 2007 at 02:03:29PM -0700, Jon Callas wrote: On Jun 26, 2007, at 10:10 AM, Nicolas Williams wrote: This too is a *fundamental* difference between QKD and classical cryptography. What does this classical word mean? Is it the Quantum way to say real? I know we're in violent