Research Article

A Lightweight Attribute-Based Security Scheme for Fog-Enabled Cyber Physical Systems

Table 1

Notation table.

NotationDescription

Security parameter
A sufficiently large prime number
An elliptic curve defined over the finite field
A base point in
Scalar multiplication,
Elliptic curve point addition
Elliptic curve group generated by
One-way collision resistance hash functions
Device attribute set
Secret attribute set
Shared attribute set
Access policy,
Public key components
Public and secret key pair generated from
Public and secret keys generated from
Final secret key components
Ciphertext
Finite field over