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After the introduction of designated confirmer signatures (DCS) by Chaum in 1994, considerable researches have been done to build generic schemes from standard digital signatures and construct efficie...
On Generic Constructions of Designated Confirmer Signatures - II(The “Signature of a Commitment” Paradigm Revisited)
Designated Confirmer signatures “Signature of a commitment” paradigm Generic construction
2009/9/11
Generic constructions of designated confirmer signatures follow one of the following two strategies;
either produce a digital signature on the message to be signed, then encrypt the resulting signatu...
On Generic Constructions of Designated Confirmer Signatures (The “Encryption of a Signature” Paradigm Revisited)
Designated Confirmer signatures “Encryption of a signature” paradigm Generic construction
2009/8/25
Designated Confirmer signatures were introduced to limit the verification property inherent to digital
signatures. In fact, the verification in these signatures is replaced by a confirmation/denial p...
Invisible Designated Confirmer Signatures without Random Oracles
Designated Confirmer Signatures Random Oracles
2008/12/18
We construct the first O(1)-size designated confirmer signatures
(DCS) with security in the state-of-the-art model of Camenisch
and Michels, Eurocrypt 2000, without random oracles. In particular, we...