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

Table 3

Average running time of every step for different ring numbers and public keys.

Average running time
	Sign	Verify	Sign	Verify	Sign	Verify	Sign	Verify
	2.74	2.32	3.16	3.04	4.08	3.76	4.89	4.72
	2.97	2.77	4.45	4.21	6.53	6.50	8.06	7.81
	4.33	4.18	6.97	6.34	9.13	8.84	11.53	11.10
	6.19	5.94	8.86	8.22	12.17	11.90	15.32	14.95