Re: ANNOUNCE: Leopard10 CSPRNG

From: Bob Jenkins (bob_jenkins@burtleburtle.net)
Date: 03/24/03


From: bob_jenkins@burtleburtle.net (Bob Jenkins)
Date: 23 Mar 2003 17:34:52 -0800

mrsjunecarey@aol.com (Mrsjunecarey) wrote in message news:<20030320130010.18805.00000103@mb-ct.aol.com>...
>
> (c) Robert Jenkins had a look over L9 and couldn't find a way to break it. L10
> has higher security than L9.

I didn't try to hard. I found a subset of the sequence I could detect
bias in with DIEHARD and called it a night. I haven't found the
motivation to look at L10. I've been off implementing something
unrelated instead.



Relevant Pages

  • Re: white noise generation
    ... will generate every possible bit pattern in a group of bits exactly once before repeating the sequence. ... All zeros is not a possible bit pattern, so there is a small bias that can be made evident by integration. ... A maximal-length N-bit LFSR will generate -1) bits before the sequence repeats. ... Since 2**N-1 is an odd number, there must always be more zeroes than ones or vice versa in the output, producing the small bias to which you referred. ...
    (comp.dsp)
  • Re: random .. ?
    ... DIEHARD is ok, I guess. ... good evidence that it is not random. ... But if your sequence passes DIEHARD, ... The good news is that DIEHARD seems better-suited for testing outputs ...
    (sci.crypt)
  • Re: logistic regression question
    ... initially in the sequence subjects tend to choose A, but this bias ... with sequence position as the only covariate. ...
    (sci.stat.edu)
  • Re: Toaster to Generate Random Numbers
    ... | wouldn't necessarily be considered random: ... with single digit of bias towards zero (due to having to pick one of the ... the longer the sequence runs. ...
    (sci.crypt)
  • Re: logistic regression question
    ... I have an experimental design where subjects make a sequence of simple ... initially in the sequence subjects tend to choose A, but this bias ... with sequence position as the only covariate. ... You are looking at the choices as the sequence progresses. ...
    (sci.stat.edu)