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56-bit crack divided? DES vs. RC5

daemon@ATHENA.MIT.EDU (Steve Reid)
Sun Feb 23 18:04:17 1997

Date: Sun, 23 Feb 1997 14:19:50 -0800 (PST)
From: Steve Reid <steve@edmweb.com>
To: cryptography@c2.net

The brute-force attacks against RC5 continue. Take a look at
http://zero.genx.net/

The Linux camp (RedHat and Debian at least) and quite a few others have
jumped aboard. The stats are available on the site. The web page
doesn't say, but after some quick calculations based on the stats, I
figure they're going after the 56-bit key.

Looks like the CPUs may be split between DES and RC5.


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