Random Numbers in Perl

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Skribent: KevinBuettnerkev@primenet.com
Dato:  
Emne: Random Numbers in Perl
On Oct 22, 11:53pm, Nathan Saper wrote:

> Here's one for you Perl gurus out there:
>
> In a Perl app I'm trying to write, I want to be able to create random
> hex integers $bits bits long, where $bits is a user-defined variable.
> The randomness of the numbers needs to be as good as possible, because
> it would be used in a crypto app.
>
> Any ideas?


If you're on linux, query /dev/random and use however many bits you need.

This isn't exactly portable, but I doubt that you'll find a portable
way to obtain cryptographically strong random numbers.

Kevin