Fault-Tolerant Privacy-Preserving Data Aggregation for Smart Grid

Table 1

Notations.

Symbol	Definition
SM	Smart meter
AG	Aggregator
DSC	Data service center
OC	Operating center
	The set of all SMs in a group
	The set of online SMs in ,
	The threshold of the secret sharing scheme
	Multiplicative group
	Two big prime number with the same length
	, the order of
	Secure one-way hash function:
	Generators of
	The secret/public key pair of DSC
	The identity of user
	The group key chosen by OC
	A random number generated by AG at time
	The real-time reading of at time
	The ciphertext of