PP-VCA: A Privacy-Preserving and Verifiable Combinatorial Auction Mechanism

Table 2

Main notations.

Notations	Terms
th bidder
th goods
s bundle
s bid
	System security parameter
()	Finite group of order , generator
,	,
	Ciphertext of message
	Adversary algorithm
	Negligible function in parameter
	Crypto service provider
	Auctioneer