All you (n)ever wanted to know about GUIDs/UUIDs:

  http://msdn.microsoft.com/library/books/inole/S10E8.HTM


Ron Allen Hornbaker
President/CTO
Humankind Systems, Inc.
http://humankindsystems.com
mailto:[EMAIL PROTECTED]



> -----Original Message-----
> From: Jeremy Allen [mailto:[EMAIL PROTECTED]]
> Sent: Monday, April 02, 2001 2:17 PM
> To: CF-Talk
> Subject: RE: CreateUUID()
>
>
> This is a misleading statement.
>
> It depends on several things hwoever I have seen often
> enough that they are quite sequential and only off by a few hex
> numbers per UUID. It is even based on the system clock so again I
> say that its a bad idea to base security on a UUID.
>
>
> Jeremy Allen
> elliptIQ Inc.
>
> >-----Original Message-----
> >From: Al Musella, DPM [mailto:[EMAIL PROTECTED]]
> >Sent: Monday, April 02, 2001 1:37 PM
> >To: CF-Talk
> >Subject: RE: CreateUUID()
> >
> >
> >
> >>by pointing out that the UUID is "predictable" are you saying
> >that using it
> >>for security purposes is not recommended?
> >
> >
> >UUIDs are not predictable.. take a look at this sequence I just tried. I
> >can't find the pattern.. can you?
> >
> >
> >038E0B1C-CF53-4F06-A646367FD3CBC92F
> >C7C38770-FAC0-4B00-B355DA9BFA5B6FA7
> >7FC88E5C-5842-48B0-809B44484830B476
> >076985FD-E14C-42C7-A46088232A20E5CB
> >BB8A3279-B0CD-4550-ABD5135FCF8CF40D


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