Table 6 The dimensions of different cryptographic parameters.

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

Parameter

Size (Bits)

Parameter

Size (Bits)

F1: AUTN

128

F2: CK/IK/AK

128

F3: SUPI

128

F4: XRES

32

F5: F11: MAC

64

F6: RAND

128

F7: PI_ID

32

F8: \(\hbox {K}_{ASME}\)

256

F9: Timestamp

32

f10: SN-ID

48

F11: \(\hbox {K}_{ anch}\)

256

F12: \(\hbox {K}_{AUSF}\)

256

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