Multiauthority Attribute-Based Access Control for Supply Chain Information Sharing in Blockchain

Table 3

Experiment running time comparison.

Access structure	Size	Ours		Liang et al. [37]		Malluhi et al. [38]		Qin et al. [22]
		Encrypt	Decrypt	Encrypt	Decrypt	Encrypt	Decrypt	Encrypt	Decrypt
Comparison based on access structure with a fixed number of access attributes (ms)
Access = 10	Total = 15	937.6	277	1311.4	487.2	846.6	478	1022	369.4
	Total = 19	1159.6	305.6	1529.8	488	964.2	480.8	1195.6	411
	Total = 23	1434.8	315.2	2110.2	517.4	1256.2	475.6	1692.4	421.6
	Total = 27	1726.2	328	2315	507.8	1361.4	460.2	1893.2	394.2
	Total = 31	1934	332.6	2755	518.6	1662.4	477.8	2107.6	393.8
	Total = 35	2098.4	312	2993	483	1649.6	445.2	2356.8	386
	Total = 39	2299	300	3173.6	458.4	1769.2	432.4	2435.2	371.6
	Total = 43	2535.4	314.6	3420.6	473	1857	432	2673	370.8
	Total = 47	2773.8	312.8	3932.8	482.6	2227.2	458	3372	396.8
	Total = 51	2788.9	307.6	4015.4	460.6	2340.4	425	3342.8	371.8
	Total = 55	2924.4	308	4350.6	454	2470.8	431.2	3390.8	361.4
Comparison based on access structure with a fixed number of total attributes (ms)
Total = 30	Access = 5	1840.2	159	2793.2	330.4	1887.4	335	2021	230.2
	Access = 7	1874.6	226.4	2820	425.2	1846.2	412.8	2112.2	347.2
	Access = 9	1864.4	276.4	2787	403.4	1729.8	446.6	2143.2	341.2
	Access = 11	2000	351.4	2647.2	522	1676.6	409.4	2062.8	409.4
	Access = 13	1963.2	441.2	2575.2	604.8	1699	556.2	2087.8	487.8
	Access = 15	1835.8	455.8	2691.4	705.6	1644.8	667.8	2120.4	576.8
	Access = 17	1909.6	494.6	2666.8	809.8	1636.2	761.4	1988.4	621.6
	Access = 19	1844	576.8	2558.2	977	1657.4	830.2	1992	702.8
	Access = 21	1904.8	656.6	2600.4	980.6	1682.6	896	2060.8	764.8
	Access = 23	1883.4	720.2	2608	1088.4	1672.4	996.4	2024.6	870
	Access = 25	1834.2	753.4	2552.4	1093.2	1681.8	1027.8	1972.6	905