一种基于双线性对的强指定验证者签名方案

强指定验证者签名能够解决不向第3方证明发送方身份的前提下,仅指定的接收方可验证消息发送方身份的问题。基于计算双线性Diffe-Hellman假定,利用双线性对,提出了一种强指定验证者签名方案。该方案具有不可伪造性、签名者身份的隐私性和不可传递性。在团购、政府招标、艺术品拍卖等典型电子商务应用中具有现实意义。

A Strong Designated Verifier Signature Scheme Based on Bilinear Pairing

Strong designated verifier signature scheme can enable the designated receiver to identify the source of a received message and prevent a third party from identifying the source of the message,which is very suitable to E-commerce applications.Based on computational bilinear Diffie-Hellman,using bilinear pairing,a new strong designated verifier signature scheme is proposed.The analytical results show that the new proposed protocol has unforgeability,non-transferability and privacy of the signer's identity.