Making a PRNG cryptographically secure
Riad S. Wahby
rsw at jfet.org
Thu Mar 6 09:29:31 PST 2008
Sarad AV <jtrjtrjtr2001 at yahoo.com> wrote:
> For Pseudo Random Numbers Generator based on linear
> recurrences, using SHA-1 over the PRNG's output
> appears to be the mostly common approach to make the
> output cryptographically secure.
Are you committed to a particular RNG? Blum Blum Shub is rather
computationally intensive, but it may be less so than decorrelating some
other PRNG with a hash.
-=rsw
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