New Efficient and Secure Protocols for Verifiable Signature Sharing and Other Applications

Abstract

Verifiable Signature Sharing (VΣS ) enables the recipient of a digital signature, who is not necessarily the original signer, to share such signature among n proxies so that a subset of them can later reconstruct it. The original RSA and Rabin VΣS protocols were subsequently broken and the original DSS VΣS lacks a formal proof of security. We present new… (More)
DOI: 10.1007/BFb0055723

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