Research Article

A Secure Three-Factor Multiserver Authentication Protocol against the Honest-But-Curious Servers

Table 12

Communication cost comparison table.

S1 S2 S3 S4 S5 S6 our scheme

80 Bytes102 Bytes102 Bytes80 Bytes64 Bytes108 Bytes102 Bytes

80 Bytes80 Bytes60 Bytes80 Bytes376 Bytes260 Bytes180 Bytes

160 Bytes182 Bytes162 Bytes160 Bytes440 Bytes368 Bytes282 Bytes