An Authorized Group Signature Scheme Based On Forward-Secure
Zhang Yao-hong · Microcomputer Information · 2008
This paper design a Authorized group signature scheme based on forward -secure. when exposure of group signing keys, this scheme can remain his previous signatures anonymous and valid .BY adding a new party ,the right manager ,and a new procedure ,authorize procedure to the standard group signatures to achieve the authorized group signatures. The scheme made comprehen sively use of the forward-secure and the difficulty in computing discrete logarithm, Thereby increasing the performance of security.