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EUROCRYPT
2006
Springer

Sequential Aggregate Signatures and Multisignatures Without Random Oracles

8 years 7 months ago
Sequential Aggregate Signatures and Multisignatures Without Random Oracles
We present the first aggregate signature, the first multisignature, and the first verifiably encrypted signature provably secure without random oracles. Our constructions derive from a novel application of a recent signature scheme due to Waters. Signatures in our aggregate signature scheme are sequentially constructed, but knowledge of the order in which messages were signed is not necessary for verification. The aggregate signatures obtained are shorter than Lysyanskaya et al. sequential aggregates and can be verified more efficiently than Boneh et al. aggregates. We also consider applications to secure routing and proxy signatures.
Steve Lu, Rafail Ostrovsky, Amit Sahai, Hovav Shac
Added 22 Aug 2010
Updated 22 Aug 2010
Type Conference
Year 2006
Where EUROCRYPT
Authors Steve Lu, Rafail Ostrovsky, Amit Sahai, Hovav Shacham, Brent Waters
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