Library_submissions and Call for Maintainers

Edward Kmett ekmett at gmail.com
Sun Mar 1 06:26:30 UTC 2015


I'm not wedded to either approach on splitting. I'm mostly concerned that
we have someone who is at least giving these topics consideration.

-Edward

On Sun, Mar 1, 2015 at 12:26 AM, Gershom B <gershomb at gmail.com> wrote:

> On February 28, 2015 at 11:39:48 PM, Edward Kmett (ekmett at gmail.com)
> wrote:
> > * random
> >
> > We've had some truly excellent work done over the last couple of years on
> > how to deal with "splitting" a random number generator in a
> > cryptographically sound manner. I spent some time cleaning up a few
> > outstanding issues for this package personally over the summer, but have
> > not had nearly enough time to devote to the issue of how to integrate the
> > outcome of the recent research on splitting, while simultaneously caring
> > about performance and soundness.
>
> With regards to random, rather than making System.Random crypographically
> sound (which, as I understand it, could require changes to the API), there
> is a “halfway house” approach — implementation of the SplitMix algorithm of
> Steele, Lea and Flood [1]. This algorithm, now included in Java JDK8,
> claims that it is a "version of the purely functional API used in the
> Haskell library for over a decade, but SplitMix is faster and produces
> pseudorandom sequences of higher quality.”
>
> I am not volunteering to work on such a project, but it seems like it
> could not only be worthwhile, but quite a bit of fun for somebody with the
> right inclination.
>
> [1]
> http://dl.acm.org/citation.cfm?id=2660195&CFID=630640078&CFTOKEN=34009864
>
> Cheers,
> Gershom
>
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