I said it is an RNG, not cryptographic RNG.  By adding current time source,
however crude, and doing a sha1/md5, why should it not be cryptoPRNG?  What
properties should I look for?

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Victor Duchovni
Sent: Tuesday, March 30, 2010 9:53 PM
To: [email protected]
Subject: Re: Random Numbers

On Tue, Mar 30, 2010 at 07:43:39PM -0700, P Kamath wrote:

> At one point of time, we had used tt800.c random number generator
(available
> on the net - a small file sized 2kB), and sha'd or md5'd the output into a
> stream. From the output, we filtered out weak keys, if any.

I hope nobody else does anything similar. tt800 is NOT a cryptographic PRNG.

-- 
        Viktor.
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