RE: [WEB400] Generating session keys in RPG using HASH values

["Joe Pluta" <joepluta@xxxxxxxxxxxxxxxxx>]

> From: Michael Skvarenina
>
> Tom, the hashing and/or "randomness" of the data is for security reasons,
> not just to ensure uniqueness.  We're trying to generate a random key that
> someone couldn't just edit with Notepad and resend to our server.  The
> hashing I was asking about came from a paper I read that used a hashing
> routine to generate pseudo-random numbers.  Actually Bryan Yates
> idea about
> using the UUID api sounds really good and I'm in the process of trying it
> right now.

I assume you're authenticating sessions.  If you are, I would also include a
table that links session IDs to user IDs, and only allow the same user to
access any given session.  That way, the worst that can possibly happen is a
user manages to access one of their previous sessions.

Joe