[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: comments on draft-ietf-ipsec-ciph-cbc-02.txt
>From: Markku-Juhani Saarinen [SMTP:mjos@ssh.fi]
>
>We feel that a 4-round variant of IDEA can not provide the level of
>security that it's key length would suggest. Cryptoanalytic attacks on
>3 and 3.5 - round variants of IDEA has been published.
>
How many rounds do you suggest for IDEA?
>
>The weak key lists are incomplete, as they will probably always be.
>The chances of hitting one at random is negligible. What's the point ?
>
>What do you suggest we do with the weak key lists? From our knowledge, we
>did include all known weak keys.
>
Follow-Ups: