Multi-Verifier Signatures |
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Authors: | Tom Roeder Rafael Pass Fred B. Schneider |
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Affiliation: | 1. Microsoft Research, Redmond, USA 2. Department of Computer Science, Cornell University, Ithaca, USA
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Abstract: | Multi-verifier signatures generalize public-key signatures to a secret-key setting. Just like public-key signatures, these signatures are both transferable and secure under arbitrary (unbounded) adaptive chosen-message attacks. In contrast to public-key signature schemes, however, we exhibit practical constructions of multi-verifier signature schemes that are provably secure and are based only on pseudorandom functions in the plain model without any random oracles. |
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