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Re: Machine Identity



> Of course, an entity must not be able to take the identity of another
> one, for instance to steal its reputation.  Hence the need for
> authentication.

That's extremely hard, unless you add "...without the cooperation of
the entity whose identity is being copied" to the end of the first
sentence.

> On the other hand, being able to generate a lot of identities is not
> a problem: an entity which would do so would start at a reputation of
> zero, which is not its interest.

It is if that entity's own reputation is negative.  This, for example,
is why spammers register throwaway domains.  In your P2P example, think
serious leechers.

/~\ The ASCII				der Mouse
\ / Ribbon Campaign
 X  Against HTML	       mouse at rodents.montreal.qc.ca
/ \ Email!	     7D C8 61 52 5D E7 2D 39  4E F1 31 3E E8 B3 27 4B