Re: Not everyone knows about strong crypto...

2006-04-19 Thread mis
and a second data point, not everyone in the mafia chooses good passphrases; a few years ago the government got a black bag warrant (once and a renewal) to install some still undescribed keystroke monitoring technology on nicky scarfo jr's pc, to find out the pgp key of a spreadsheet of a smalltim

Re: Unforgeable Blinded Credentials

2006-04-19 Thread Adam Back
On Wed, Apr 19, 2006 at 11:53:18AM -0700, bear wrote: > On Sat, 8 Apr 2006, Ben Laurie wrote: > >Adam Back wrote: > >> My suggestion was to use a large denomination ecash coin to have > >> anonymous disincentives :) ie you get fined, but you are not > >> identified. > > > >The problem with that dis

Re: Unforgeable Blinded Credentials

2006-04-19 Thread bear
On Sat, 8 Apr 2006, Ben Laurie wrote: >> Well the other kind of disincentive was a credit card number. My >> suggestion was to use a large denomination ecash coin to have >> anonymous disincentives :) ie you get fined, but you are not >> identified. > >The problem with that disincentive is that

fyi: Deniable File System - Rubberhose

2006-04-19 Thread Jeff . Hodges
From: Owen Blacker <[EMAIL PROTECTED]> Subject: Deniable File System To: UK Crypto list <[EMAIL PROTECTED]> Date: Wed, 19 Apr 2006 11:43:18 +0100 (BST) Reply-To: [EMAIL PROTECTED] http://www.schneier.com/blog/archives/2006/04/deniable_file_s.html Some years ago I did some design work on something

Re: NPR : E-Mail Encryption Rare in Everyday Use

2006-04-19 Thread markus reichelt
* Ian G <[EMAIL PROTECTED]> wrote: > >So, why not always sign messages to a list that permits > >signatures? > > It's hard to see the benefit, and it is easy to see the potential > cost. In a litiguous world, we are (slightly) better off not using > messages that are going to haunt us in years t

Not everyone knows about strong crypto...

2006-04-19 Thread Perry E. Metzger
It seems not everyone has gotten the message that monoalphabetic substitution was broken many hundreds of years ago. Excerpt: The recently arrested "boss of bosses" of the Sicilian Mafia, Bernardo Provenzano, wrote notes using an encryption scheme similar to the one used by Julius Caesar mo

Re: MD5 trick

2006-04-19 Thread Ariel Waissbein
Hi Vlastimil and group, Gera Richarte has done some interesting work with executable files that have the same MD5 hash. Take a look at http://www.coresecurity.com/corelabs/projects/research_topics.php to see his talk at PacSec `05 and "Two executable files with the same MD5 hash, crc32, checksum32

Re: MD5 trick

2006-04-19 Thread markus reichelt
* [EMAIL PROTECTED] wrote: > Of course, it is a trick. Yesterday I updated my paper "Tunnels in > Hash Functions: MD5 Collisions Within a Minute" > (http://eprint.iacr.org/2006/105.pdf) and MD5 collision program > (http://cryptography.hyperlink.cz/2006/web_version_1.zip). just being curious: from