Research Article
An Efficient Electronic English Auction System with a Secure On-Shelf Mechanism and Privacy Preserving
Table 2
Comparison in computational cost of the three schemes.
| Property | Proposal | Our proposal | Chang et al.’s proposal [14] | Xiong et al.’s proposal [13] | Chung et al.’s proposal [18] |
| Registration phase | 8PM + H | 9PM | 4PM + 2H | 5PM + 3H | On-shelf phase | 7PM + 2E + 2D + 2H | 10PM + 2E + 2D + 2H | × | × | Bidding phase | (10 + 2)PM + 3E + 2D + 5H | 12PM + 2E + 2D | (4 + 1)PM + 3BM + 2H | (8 + 2)PM + (3 + 1)H | Product claiming phase | 2PM + E + D + 1H | 6PM | × | × | Dispute phase (bidder/auctioneer) | 6PM + E + 1D + 3H/6PM + E + 2D + 3H | 3PM + 2H/3PM + E + D | 0.5BM/× | × |
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