Re: Random String Generator

I don't think this is a good use for a GUID. Do you really want your users to have to type in a different 32 character security code every time they use a particular feature of your site? Typically, more than 8 characters starts becoming a burden.

Matt

-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Maurice O'Prey
Sent: Monday, September 08, 2008 1:50 PM
To: 'Web Enabling the AS400 / iSeries'
Subject: Re: [WEB400] Random String Generator

Hi Nathan

Just curious myself, how does your version stand up to .NET

Function GUID() As String

GUID = System.GUID.NewGuid().ToString()

End Function

Regards

Maurice



-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx] On
Behalf Of Nathan Andelin
Sent: 08 September 2008 18:04
To: web400@xxxxxxxxxxxx
Subject: [WEB400] Random String Generator

Last week's discussion on CAPTCHA made me curious about random number
and random string generation because random codes are harder to break
than say a fixed collection of codes or derived images.

So I set about to write a couple RPG procedures that could be used for
random number and random string generation. For example, the following
screen shows a program for generating random strings of 4-8 characters
based on the lower-case English alphabet.

http://www.radile.com/rdweb/temp/random.html

I found that with even a limited alphabet, the procedure can generate
thousands of unique strings of 4-8 characters. It was just interesting;
A curiosity.

I don't have an immediate use for something like this, but I think it
will come in handy sometime in a toolkit.

Nathan.
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