Re: RNG Test: Code to generate Diehard file in Euphoria
Robert Craig wrote:
>Joel H. Crook writes:
>
>> Maybe RDS might like to weigh in and state the
>> source and/or type of RNG that is coded into Euphoria.
>
>I got the algorithm from a paper that was published about
>10 years ago. The algorithm is public domain, and was
>claimed to have better randomness than most other algorithms
>of that time. Since some users depend on this algorithm
>for encrypting their data, I'd rather not make the details public.
>
>If you find any defects or shortcomings in rand() please
>let me know exactly what they are. So far all I've heard
>is "good for most purposes" or "doesn't measure up well
>on some of the (completely unspecified) tests".
If you would like to see the homepage of the Diehard test and download the
DOS version that I and several others have been using, you can go to this URL
http://stat.fsu.edu/~geo/diehard.html
It appears to be legit.
I can't see why publishing the source for your rand() would have any effect on
the encrypters since you have provided a method to change the key. If the
randomness is reasonable, knowing the code will give very little leverage to
anyone. As I have noted in other posts, rand() appears to do quite well. Using
#FFFF for a range and an atom to store into appears to produce a full 32 bit
range.
Everett L.(Rett) Williams
rett at gvtc.com
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