Unforgeable Blinded Credentials

[John Gilmore]

> I am aware of, Direct Anonymous Attestation proposed for the Trusted
> Computing group, http://www.zurich.ibm.com/security/daa/ .

> DAA provides
> optionally unlinkable credential showing and relies on blacklisting to
> counter credential sharing.

Hmm, why doesn't this blacklisting get mentioned in IBM's DAA page?

What sort of blacklist would this be?  What actions would being listed
on it trigger?

	John



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