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Erschienen in:
2001 | OriginalPaper | Buchkapitel
Two-Party Generation of DSA Signatures
Extended Abstract
verfasst von : Philip MacKenzie, Michael K. Reiter
Erschienen in: Advances in Cryptology — CRYPTO 2001
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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We describe a means of sharing the DSA signature function, so that two parties can efficiently generate a DSA signature with respect to a given public key but neither can alone. We focus on a certain instantiation that allows a proof of security for concurrent execution in the random oracle model, and that is very practical. We also briefly outline a variation that requires more rounds of communication, but that allows a proof of security for sequential execution without random oracles.