Table 2 Set of parameters exchanged between the IoVT device and the UDM during registration.

From: A secure group-based authentication protocol for IoVT in 5G-enabled smart transportation and road safety systems

Permanent identity

Temporary identifier

Secret key

Sequence number

P_\(\hbox {ID}_{Vd_{1}}\)

T_\(\hbox {ID}_{Vd_{1}}\)

\(\hbox {K}_{Vd_{1}}\)

\(\hbox {SQN}_{Vd_{1}}\)

P_\(\hbox {ID}_{Vd_{2}}\)

T_\(\hbox {ID}_{Vd_{2}}\)

\(\hbox {K}_{Vd_{2}}\)

\(\hbox {SQN}_{Vd_{2}}\)

–

–

–

–

P_\(\hbox {ID}_{Vd_{n}}\)

T_\(\hbox {ID}_{Vd_{n}}\)

\(\hbox {K}_{Vd_{n}}\)

\(\hbox {SQN}_{Vd_{n}}\)