Re: Announce loop-AES-v1.3b file crypto package

["Michael H. Warfield" <mhw@wittsend.com>]

On Wed, Jul 11, 2001 at 06:52:23PM -0700, Mike Touloumtzis wrote:
> On Thu, Jul 12, 2001 at 01:01:52AM +0200, peter k. wrote:

> > it would be also interesting to know the differences between AES,
> > AES128 AES256, etc and it would be a good idea to include some kind of
> > list [in our future fixed I-patch] with all ciphers compared on, for
> > example, how long it will take to decrypt them with ASCI White, how
> > fast they are, etc

> As far as is known by the public cryptographic community, none of
> the AES variants can be broken, so the attacker must do a brute
> force search of a keyspace with at least 2^128 values.

> Even a 128 bit brute force search (the smallest key size of any
> AES variant) is far beyond the capabilities of any supercomputer
> in existence.  Ability to break a 128 bit cipher in our lifetimes
> will take a revolution in technology, not just improvements to the
> current tech.

> AES128 (the fastest AES variant) is less than twice as fast as AES256
> (the slowest AES variant).  A recent desktop (say, PIII 1GHz) should
> be able to do AES256 at more than 100Mbit/s.

> If you want a list of "good" (i.e. currently considered unbreakable
> by anyone on earth, now or in the foreseeable future) symmetric
> encryption algorithms, install GnuPG, run 'gpg --version', and look
> at the 'Cipher:' line.  This list omits some algorithms like IDEA
> that are patented and thus unimplemented in GnuPG.

	Unless you are like most of us and have it loaded as a module
for compatibility with certain other versions of PGP.  Then IDEA shows
up as well.  :-)

> miket
> 
> Linux-crypto:  cryptography in and on the Linux system
> Archive:       http://mail.nl.linux.org/linux-crypto/

	Mike
-- 
 Michael H. Warfield    |  (770) 985-6132   |  mhw@WittsEnd.com
  (The Mad Wizard)      |  (678) 463-0932   |  http://www.wittsend.com/mhw/
  NIC whois:  MHW9      |  An optimist believes we live in the best of all
 PGP Key: 0xDF1DD471    |  possible worlds.  A pessimist is sure of it!


Linux-crypto:  cryptography in and on the Linux system
Archive:       http://mail.nl.linux.org/linux-crypto/