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- Xref: sparky sci.crypt:3161 alt.security:4310
- Newsgroups: sci.crypt,alt.security
- Path: sparky!uunet!wupost!gumby!destroyer!ubc-cs!unixg.ubc.ca!physics.ubc.ca!unruh
- From: unruh@physics.ubc.ca (William Unruh)
- Subject: Re: Are DES restriction even logically sound?
- Message-ID: <unruh.716004398@physics.ubc.ca>
- Sender: news@unixg.ubc.ca (Usenet News Maintenance)
- Nntp-Posting-Host: physics.ubc.ca
- Organization: University of British Columbia, Vancouver, B.C., Canada
- References: <unruh.715917768@physics.ubc.ca> <1397@eouk9.eoe.co.uk>
- Date: Wed, 9 Sep 1992 02:06:38 GMT
- Lines: 12
-
- ahaley@eoe.co.uk (Andrew Haley) writes:
-
- >unruh@physics.ubc.ca (William Unruh) writes:
- >: Uh, read your first line. You have the source- change the Sboxes to your
- >: heart's content.
-
- >NO! Don't change the S-boxes or the ordering of the S-boxes because
- >it greatly weakens DES.
-
- Agreed. But he was the one who was worried that the present S boxes were
- weak, so he can change them ( probably making them much much weaker, but
- then paranoia has its costs).
-