Efficient Certificateless Conditional Privacy-Preserving Authentication Scheme in VANETs

Table 5

Comparison of communication cost.

Scheme	Send a message	Send n messages
[22]	155 bytes	155n bytes
[25]	175 bytes	175n bytes
[27]	175 bytes	175n bytes
[30]	351 bytes	351n bytes
[31]	351 bytes	351n bytes
The proposed scheme	195 bytes	195n bytes