Re: On living with the 56-bit key length restriction

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Antonomasia (ant@notatla.demon.co.uk)
Thu, 24 Dec 1998 00:08:27 GMT

Jim Gillogly <jim@acm.org>

> If you use a good modern cipher for each step of the 30-bit cascade and
> include no identifying information in each step, there should be no
> other shortcut. "Good" for this purpose means it produces a distribution
> of bytes indistinguishable from uniform random to someone who doesn't
> know the key.

Does this mean that padding the final block is out and ciphertext
stealing is in ? 

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The following archive was created by hippie-mail 7.98617-22 on Sat Apr 10 1999 - 01:17:38