A Multi-attribute Reverse Auction Model of Bid Price Protected

Reverse auction is widely used in electronic-commerce as an electronic-procurement method.However in the most auction models,the bid information of bidders is completely open to the auctioneer.It will result in inequalities between bidders and cause their losses in the case of complicity between the auctioneer and some bidders.Based on technique for order preference by similarity to ideal solution and secure multi-party computation,the bid price protected multi-attribute reverse auction model is presented.It makes use of a secure technique for order preference by similarity to ideal solution.This model realizes the security of bid-prices and the fairness of bidders,and withstands the complicity between auctioneer and bidder.