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