Dear Folks, > From owner-bugtraq@fc.net Fri Mar 17 06:42:18 1995 > Date: Fri, 17 Mar 1995 12:42:18 -0600 (CST) > From: Allan Sutton <asutton@tenagra.com> > To: Software Test Account <softtest@wu1.wl.aecl.ca> > On Thu, 16 Mar 1995, Software Test Account wrote: > > > > RC2 and RC4 are both public key systems -- then why wouldn't factoring > > the key prove equally as (greatly more) effective as with attacks on > > RSA/PGP. > This is the crux of the matter. RC2 and RC4 are _not_ public key systems. > They are conventional secret key algorithms, in the same class as DES or > IDEA. > Allan Sutton > asutton@tenagra.com If they are in the same class as DES, then they are in BIG trouble! The $1M machine proposed by Michael J. Weiner in `Efficient DES Key Search' does in DES in 3.5 hours. according to the 'math'. Of course, anyone Big Brother wants to hear, he WILL hear. Shalom, JBB.