Key-homomorphic signatures: definitions and applications to multiparty signatures and non-interactive zero-knowledge
Abstract
Key-homomorphic properties of cryptographic objects, i.e., homomorphisms on their key space, have proven to be useful, both from a theoretical as well as a practical perspective. Important cryptographic objects such as pseudorandom functions or (public key) encryption have been studied previously with respect to key-homomorphisms. Interestingly, however, signature schemes have not been explicitly investigated in this context so far. We close...
Paper Details
Title
Key-homomorphic signatures: definitions and applications to multiparty signatures and non-interactive zero-knowledge
Published Date
Aug 17, 2018
Volume
87
Issue
6
Pages
1373 - 1413
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