hash trees to protect court evidence for genocide trials

2009-01-29 Thread Perry E. Metzger
http://www.nytimes.com/2009/01/27/science/27arch.html -- Perry E. Metzgerpe...@piermont.com - The Cryptography Mailing List Unsubscribe by sending unsubscribe cryptography to majord...@metzdowd.com

RE: Obama's secure PDA

2009-01-29 Thread ian.farquhar
Perry wrote: pgut...@cs.auckland.ac.nz (Peter Gutmann) writes: I wonder what a classified USB cable is. Perhaps it's an unclassified USB cable with the little three-prong USB logo blacked out by the censors. I would imagine it is a tempest shielded cable, and appropriately altered

Re: full-disk encryption standards released

2009-01-29 Thread Arshad Noor
Steven M. Bellovin wrote: http://www.computerworld.com/action/article.do?command=viewArticleBasicarticleId=9126869intsrc=hm_ts_head I wonder if the 40+ breach-disclosure laws in US will now have to be updated to reflect that if data is breached on a live system using an encrypted-drive, one

Re: Proof of Work - atmospheric carbon

2009-01-29 Thread Bill Frantz
jo...@iecc.com (John Levine) on Wednesday, January 28, 2009 wrote: You know those crackpot ideas that keep showing up in snake oil crypto? Well, e-postage is snake oil antispam. While I think this statement may be true for POW coinage, because for a bot net it grows on trees, for money that

Re: Proof of Work - atmospheric carbon

2009-01-29 Thread Nicolas Williams
On Wed, Jan 28, 2009 at 04:35:50PM -0500, Jerry Leichter wrote: [Proposals to use reversible computation, which in principle consume no energy, elided.] There's a contradiction here between the computer science and economic parts of the problem being discussed. What gives a digital coin

Re: Obama's secure PDA

2009-01-29 Thread David G. Koontz
Jerry Leichter wrote: I commented earlier that $3200 seemed surprisingly cheap. One of the articles on this claimed this was absurdly expensive - typical DoD gold plating. Well ... the real price of a standard Blackberry is a couple of hundred dollars, and put one in a room with a speaker

Re: full-disk encryption standards released

2009-01-29 Thread Paul Crowley
Steven M. Bellovin wrote: http://www.computerworld.com/action/article.do?command=viewArticleBasicarticleId=9126869intsrc=hm_ts_head I think the standard itself is here: https://www.trustedcomputinggroup.org/specs/Storage/ Browsing TCG Storage Security Subsystem Class: Opal, I'm having a hard