Re: [dhcwg] DUID on a Virtual Host

On Feb 20, 2007, at 2:18 PM, Roy Brabson wrote:
> But, stepping back for a second, are public keys considered unique,
> anyway?  I'm not a security expert, but I  thought public keys were
> generated by the end user, and there is nothing that prevents two  
> users
> from generating the same public key.  If so, how  does a a DHCP server
> differentiate between two hosts that choose to use the same public  
> key.

In fact, what I would say about this whole conversation is that keys,  
like clients, are *things to be identified*, not *identifiers*.   You  
call a key something.   Every piece of key generation software I've  
ever used has worked that way - whether you're generating an ssh key  
or an SSL key or a DNS key, the key has a name, and you refer to it  
by name.   It may be that for some reason it makes sense to include a  
public key in a DHCP transaction, but including it *as the  
identifier* strikes me as confusing two functions - identification  
and authentication.

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