A Short Group Signature DAA Scheme Based on l-Modified One More Strong Diffie-Hellman Problem Assumption

We deisgn a DAA scheme based on Short Group Signature on 1-MOMSDH assumption. On the basis of Fiat-Shamir heuristic theory, the signature of knowledge and realization of the transformation from non-interactive zero knowledge proof to signature of knowledge are introduced. Because of its short signature, high efficiency and provable security in Standard Model, the security of DAA is increased while its efficiency is also guaranteed.