Wireless Communications and Mobile Computing

Research Article

An Efficient and Provably Secure Anonymous User Authentication and Key Agreement for Mobile Cloud Computing

Table 2

Comparison in computation cost.


	[22]	[26]	[27]	[28]	[24]	[29]	[25]	[30]	Ours

S1	7+3 +10T_H	4+4T_H	4++5T_H	3++6T_H	3++9T_H	5++9T_H	4+5T_H	4+3T_H	3++7T_H
S2	1.22 s	0.524 s	0.625 s	0.496 s	0.499 s	0.669 s	0.525 s	0.653 s	0.497 s
S3	5+2+6T_H	5+5T_H	4++5T_H	3++6T_H	3+6T_H	3++7T_H	4+5T_H	5+4T_H	3++6T_H
S4	6.056 ms	5.855 ms	5.685 ms	3.616 ms	3.516 ms	3.517 ms	4.685 ms	5.854 ms	3.616 ms

S1: computation cost in mobile client side; S2: executing time in mobile client side; S3: computation cost in cloud server side; S4: executing time in cloud server side.