A Convertible Ring Signature Scheme Based on EIGamal
Yinghu Yang · Microcomputer Information · 2008
Convertible ring signature is a ring signature that allows real signer through revealing some information about ring signa-ture,convert ring signature into an ordinary signature. At the same time,prove that he is the real signer of the ring signature. This paper analysises the reference detailedly and points out that the ring signature scheme based on EIGamal can’t have convertible properties and doesn’t have security. Improving it,propose a convertible ring signature. This ring signature has a good usability in electronic cash,electronic auction.