Research Article

Linkable Ring Signature Scheme Using Biometric Cryptosystem and NIZK and Its Application

Algorithm 2

Setup .
Input: , , , ,
Output: PP = {, , , }
(1)Let , .
(2)Call to obtain
(3).
(4)for do
(5)Compute ,
(6).
(7)end
(8)Let , .
(9)return PP = {, , , }.