Re: [GD-General] serial numbers

[Ken P. <ke...@dr...>]

At 11:36 AM 5/27/2003, you wrote:
>MD5 is not trivially reversible, so this seems to work. However, if two
>users have the same name, the keys will also be the same, and some products
>don't requiere an username, so in that case I would have a single key!

If you're generating keys over the net, then you're likely going to have 
their email address, so use that instead of their name.  It's guaranteed to 
be unique.