Two-Dimensional Key Table-Based Group Key Distribution in Advanced Metering Infrastructure

Table 4

Comparison with existing scheme and proposed scheme.

	[10]’s scheme		[11]’s scheme		Proposed scheme
Methodology	Diffie-Hellman based group key distribution		Trust third party based group key distribution		Key table-based group key distribution
Integrity of group key	X	Vulnerable of man-in-the-middle attack	O	Trust third party verify security key	O	Each smart meter can verify Integrity of group key
Confidentiality of group key	O	Hash function and Exponentiation	X	Session key can be calculated by user information	O	The group key and group key generation element do not send over the network.