2011 | OriginalPaper | Buchkapitel
A Signature Scheme with Efficient Proof of Validity
verfasst von : Masayuki Abe, Miyako Ohkubo
Erschienen in: Coding and Cryptology
Verlag: Springer Berlin Heidelberg
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A signature scheme is presented that, when combined with the Groth-Sahai proof system, can efficiently prove the validity of a committed signature to a message shown in the clear. Compared to the Boneh-Boyen signature scheme, the proposed scheme yields a shorter proof of validity and is based on a more desirable hardness assumption that achieves a better security bound when analyzed in the generic group model.