Integrity Protection for Data Aggregation in Smart Grid

Table 6

Lengths of messages transmitted in the three schemes (Unit: ; : the number of smart meters.).

	Messages sent from smart meters to the gateway	Messages sent from the gateway to the data repository	Messages sent from the data repository to the user	Total
Construction based on Chinese remainder theorem (with data aggregation)
Construction based on Lagrange interpolation function (with data aggregation)
The benchmark construction (without data aggregation)