Research Article

Efficient Anonymous Data Authentication for Vehicular Ad Hoc Networks

Table 1

Notation and definition.

NotationDefinition

The number of attributes in the system
The set of attributes in the system
Security parameter of the system
, -th vehicle and the -th RSU
System-wide public key
System master secret key
System attribute public key
Vehicle secret key of the -th vehicle
Vehicle attribute secret key of
Identity of the -th vehicle
Attribute set of vehicle
A message and its signature
The set of vehicles equipped with attribute
The membership version of attribute
The list of public keys of vehicles with attribute