[104767] in Cypherpunks
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daemon@ATHENA.MIT.EDU (Anonymous)
Wed Oct 28 13:12:38 1998
Date: Wed, 28 Oct 1998 18:35:44 +0100
From: Anonymous <nobody@replay.com>
To: cypherpunks@toad.com
Reply-To: Anonymous <nobody@replay.com>
At 02:35 PM 10/27/98 -0800, Michael Motyka wrote:
>> Most of nature is a very high quality vacuum, actually.
>>
>Yup, I did my 100hrs of Physics, Chemistry and Math too. I like the way
>the 'vacuum' behaves near very hi-Z nuclei.
Fine, lets get into vacuum energy, but not waste cpunk time.
>More interesting, though, is this: why would a block cipher use key bits
>rather than an LFSR to do input or output whitening? Is it strictly a
>performance issue? Is it proven that doing this doesn't leak key bits in
>some way?
Shift registers are cracked. Good ciphers haven't been. (Love
tautologies.)
Traditional block ciphers are expensive bleach, take note.
Unnecessary.
