Certificateless Proxy Reencryption Scheme (CPRES) Based on Hyperelliptic Curve for Access Control in Content-Centric Network (CCN)

Table 4

Computational cost comparisons on the basis of millisecond.

Schemes	Involves participants
	Reencryption (ms)	Encryption (ms)	Proxy reencryption (ms)	Decryption (ms)	Total (ms)
Xu et al.’s [20]	2.5	18.65	18.65	29.08	69.6
Guo et al.’s [23]	6.25	33.55	21.15	39.8	100.75
Lee and Han’s 1 [24]	3.75	5	1.25	5	15
Lee and Han’s 2 [24]	3.75	6.25	3.75	12.5	26.25
Wang et al.’s [25]	3.75	5	1.25	8.75	18.75
Srinivasan and Rangan’s [22]	6.25	10	1.25	7.5	25
Bhatia et al.’s [17]	3.88	4.85	0.97	6.79	16.49
Wang et al.’s [13]	1.25	38.42	14.90	19.21	73.78
Proposed	1.92	2.4	0.48	1.44	6.24