A Provably Secure and Lightweight Identity-Based Two-Party Authenticated Key Agreement Protocol for Vehicular Ad Hoc Networks

Table 1

Message size of ID-based 2PAKA protocols.

Protocol	Message content	Message size (bytes)
Bala et al.	One ID, two points	42
Dang et al.	One ID, three points	62
Our protocol	One ID, two points	42