[42867] in cryptography@c2.net mail archive
RE: IGE mode is broken (Re: IGE mode in OpenSSL)
daemon@ATHENA.MIT.EDU (Kuehn, Ulrich)
Wed Sep 13 15:29:24 2006
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From: "Kuehn, Ulrich" <Ulrich.Kuehn@telekom.de>
To: ben@algroup.co.uk
Cc: cryptography@metzdowd.com
Date: Wed, 13 Sep 2006 14:22:58 +0200
> From: Ben Laurie [mailto:ben@algroup.co.uk]
> > Do I understand correctly? You do want that nobody is able to
> > authenticate a message, however, it shall not be intelligible if
> > manipulated with?
>
> Correct. Minx (which is the only place I use IGE) avoids
> traffic marking attacks in two ways:
>
> a) all messages are "correct"
>
> b) any attempt to mark a message results in its complete corruption
>
> See the Minx paper, http://www.apache-ssl.org/minx.pdf.
>
Looks interesting! Have you looked at Ron Rivest's Chaffing and Winnowing?
Cheers,
Ulrich
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