Research on Strongly Unforgeable Ring Signature Scheme Based on ID
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2014, Vol 16, Issue 5
Abstract
Abstract : A ring signature system is strongly unforgeable if the ring signature is existential unforgeable and, given ring signatures on some message m, the adversary can not produce a new ring signature on m. Strongly unforgeable ring signatures are useful for constructing chosen-ciphertext secure cryptographic system. For example, it can be used to design the ring signcryptionscheme.In this paper, we analyse the safety of Au et al.'s ID-based ring signature scheme, then we construct a strongly unforgeable ID-based ring signature scheme in the standard model based on the standard discrete logarithm problem (DLP).
Authors and Affiliations
Gang Zeng
Keywords
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