Provably Secure ECC-Based Three-Factor Authentication Scheme for Mobile Cloud Computing with Offline Registration Centre

Table 6

Communication costs of related schemes.

	Tsai and Lo [3]	He et al. [26]	Irshad et al. [27]	Mo et al. [28]	Our scheme
Communication cost	4320 bits	3296 bits	4288 bits	2720 bits	3584 bits