Intel 810 Random Number Generator

van Heusden, Folkert Folkertvan.Heusden en getronics.com
Jue Ene 27 12:11:06 CST 2000


That depends on what frequency you retrieve your samples...
If it's like every 100th of a second, that's not so much data
(100 bytes) but including these 60Hz artifacts.

 > compressors have limited windows, and 60Hz is a long time,
 > to a computer.  depending on how fast the noise source is,
 > 16.6ms might well be outside its window.  especially if the 
 > stream is otherwise random, and thus not very compressible...
 > 
 > 
 > > I think you can "remove" (well, not literally)
 > > some of the not-so-random data in the inputs
 > > for the random generator (like the 60Hz of the
 > > current, processor harmonics, etc.) by first
 > > sending the random-data trough a compressor.
 > > bzip2 or gzip or whatsoever. By compressing
 > > data, you'll remove redundancy from data which
 > > should remove repeating events like the 60hz
 > > stuff. See also the thread that spawned on this
 > > mailinglist on that message I wrote about the
 > > randomness of the kernel :-)
 > 

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