Re: gonzo cryptography; how would you improve existing cryptosystems?

2005-12-07 Thread Alexander Klimov
On Thu, 17 Nov 2005, Jari Ruusu wrote: Unfortunately truecrypt is just another broken device crypto implementation that uses good ciphers in insecure way. Specially crafted static bit patterns are easily detectable through that kind of bad crypto. Looks like they have fixed it: version 4.1

Re: gonzo cryptography; how would you improve existing cryptosystems?

2005-11-17 Thread Jari Ruusu
Thomas Sjögren wrote: On Tue, Nov 08, 2005 at 05:58:04AM -0600, Travis H. wrote: The only thing close that I've seen is Bestcrypt, which is commercial and has a Linux and Windows port. I don't recall if the Linux port came with source or not. http://www.truecrypt.org/ TrueCrypt Free

Re: gonzo cryptography; how would you improve existing cryptosystems?

2005-11-09 Thread Jon Callas
On 4 Nov 2005, at 5:23 PM, Travis H. wrote: For example, pgp doesn't hide the key IDs of the addressees. But OpenPGP does. Here's an extract fro RFC 2440: 5.1. Public-Key Encrypted Session Key Packets (Tag 1) [...] An implementation MAY accept or use a Key ID of zero as a wild card

Re: gonzo cryptography; how would you improve existing cryptosystems?

2005-11-08 Thread Jonathan Thornburg
On Fri, 4 Nov 2005, Travis H. wrote: PS: There's a paper on cryptanalyzing CFS on my homepage below. I got to successfully use classical cryptanalysis on a relatively modern system! That is a rare joy. CFS really needs a re-write, there's no real good alternatives for cross-platform

Re: gonzo cryptography; how would you improve existing cryptosystems?

2005-11-08 Thread Travis H.
Nice, but linux-only and requires special kernel support. cfs supports lots and lots of different OSs and doesn't require kernel modes. So far as I know, in this regard cfs is unique among cryptographic filesystems. The only thing close that I've seen is Bestcrypt, which is commercial and

Re: gonzo cryptography; how would you improve existing cryptosystems?

2005-11-08 Thread Alexander Klimov
On Mon, 7 Nov 2005, Jason Holt wrote: Take a look at ecryptfs before rewriting cfs ... or at TrueCrypt (which works on linux and windows): http://www.truecrypt.org/downloads.php -- Regards, ASK - The Cryptography Mailing

Re: gonzo cryptography; how would you improve existing cryptosystems?

2005-11-08 Thread Thomas Sjögren
On Tue, Nov 08, 2005 at 05:58:04AM -0600, Travis H. wrote: The only thing close that I've seen is Bestcrypt, which is commercial and has a Linux and Windows port. I don't recall if the Linux port came with source or not. http://www.truecrypt.org/ TrueCrypt Free open-source disk encryption

Re: gonzo cryptography; how would you improve existing cryptosystems?

2005-11-07 Thread Travis H.
Does ISAKMP do encryption where the input is meant to be secret, instead of the key? I meant MAC, not encryption, sorry. Of course encryption inputs are secret. -- http://www.lightconsulting.com/~travis/ -- We already have enough fast, insecure systems. -- Schneier Ferguson GPG fingerprint:

Re: gonzo cryptography; how would you improve existing cryptosystems?

2005-11-07 Thread Jason Holt
On Fri, 4 Nov 2005, Travis H. wrote: PS: There's a paper on cryptanalyzing CFS on my homepage below. I got to successfully use classical cryptanalysis on a relatively modern system! That is a rare joy. CFS really needs a re-write, there's no real good alternatives for cross-platform