A CAN-Bus Lightweight Authentication Scheme

. 2021 Oct 25;21(21):7069. doi: 10.3390/s21217069

Algorithm 12:

J o i n_U p d a t e K e y

: The ECUs update their group key.

Input:

P a c k e t_{4}

{S_{g}}^{i}

{T C}_{j}^{i}

Output:

s k^{i}

, ,

S_{g}

MAC =

M G ({S_{g}}^{i} ∥ {T C}_{j}^{i} ∥ P a c k e t_{4} . d a t a)

;