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[Anonymous]

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.