Welcome to the resource topic for 2002/151
Selective disclosure credential sets
Authors: Jason E. Holt, Kent E. SeamonsAbstract:
We describe a credential system similar to the electronic cash system
described by Chaum, Fiat and Naor. Our system uses bit commitments to
create selective disclosure credentials which limit what portions of a
credential the holder must reveal. We show how credentials from
separate issuers can be linked to the same person in order to prevent
users from pooling credentials to obtain services no one user could
obtain alone. We also describe how to use a blinding technique
described by Laurie which may not violate the patents on blind
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