Article View: sci.crypt
Article #522Better use of FTT
From: Carl Ellison
Date: Tue, 28 Jul 1992 19:53
Date: Tue, 28 Jul 1992 19:53
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If using the FTT I just posted to diffuse DES, it makes sense to do DES|FTT|FTT|FTT|DES|FTT|FTT|FTT|DES|FTT|FTT|FTT|DES|... (or to modify FTT to do the equivalent of 3 rounds at once) Eg... > more foo 0000000011111111222222223333333344444444555555556666666677777777 > ftt < foo | more 0404040404040404151515151515151526262626262626263737373737373737 > ftt < foo | ftt | more 0246024602460246024602460246024613571357135713571357135713571357 > ftt < foo | ftt | ftt | more 0123456701234567012345670123456701234567012345670123456701234567 >
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Path: arc1-ca.pugleaf.net!sparky!uunet!decwrl!bu.edu!transfer!ellisun.sw.stratus.com!cme From: cme@ellisun.sw.stratus.com (Carl Ellison) Newsgroups: sci.crypt Subject: Better use of FTT Message-ID: <5197@transfer.stratus.com> Date: 28 Jul 92 19:53:20 GMT Sender: usenet@transfer.stratus.com Organization: Stratus Computer, Software Engineering Lines: 19