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- Newsgroups: sci.crypt
- Path: sparky!uunet!mcsun!news.funet.fi!funic!news.cs.hut.fi!news!Ari.Huttunen
- From: Ari.Huttunen@hut.fi (Ari Juhani Huttunen)
- Subject: IDEA cipher (was: PGP 2.0 Announcement)
- In-Reply-To: lankeste@fwi.uva.nl's message of Mon, 7 Sep 1992 20:22:07 GMT
- Message-ID: <ARI.HUTTUNEN.92Sep8015936@supergirl.hut.fi>
- Sender: usenet@cs.hut.fi (Uutis Ankka)
- Organization: Helsinki University of Technology, Finland
- References: <1992Sep7.202207.12500@fwi.uva.nl>
- Date: Mon, 7 Sep 1992 23:59:36 GMT
- Lines: 20
-
- In article <1992Sep7.202207.12500@fwi.uva.nl> lankeste@fwi.uva.nl (Branko Lankester) writes:
-
- ! The new faster
- ! conventional cipher, called IDEA (International Data Encryption
- ! Algorithm), was developed at ETH in Zurich by James L. Massey and
- ! Xuejia Lai. Preliminary evidence suggests that IDEA may be more
- ! resistant than the DES to Biham & Shamir's highly successful
- ! differential cryptanalysis attack. Biham and Shamir have tried
- ! unsuccessfully to find any weaknesses in the IDEA cipher.
-
- Has the IDEA cipher a longer key than DES and is it thus more resistant
- to trying out all possible keys? Does the IDEA cipher use transpositions
- interleaved with substitutions or some other algorithm? Is a paper
- describing IDEA generally available? (I'm not interested enough to order
- a copy by mail from Switzerland.)
- --
- ...............................................................................
- Ari Huttunen Any similarity to other alien life forms
- is purely coincidental.
- <Alien 3 misquote>
-