A Lattice-Based Authentication Scheme for Roaming Service in Ubiquitous Networks with Anonymity

Table 9

Comparison of communication overhead.

	MU	FA	HA	Overhead (bits)
Wu et al. [18]	864	2336	736	3936
Grope and Hwang [17]	1152	1600	320	3072
Wen et al. [13]	1152	1600	320	3072
Jiang et al. [12]	1152	1728	320	3200
Farash et al. [16]	608	832	256	1696
Alzahrani et al. [31]	1024	1216	992	3232
Lu et al. [34]	1088	1216	992	3296
Lee et al. [20]	704	1696	576	2976
Ostad-Sharif et al. [33]	960	1568	480	3008
Khatoon and Singh Thakur [32]	864	1312	480	3264
Ours	974	1980	949	3903