PSPAB: Privacy-preserving average procurement bidding system with double-spending checking.

PSPAB: Privacy-preserving average procurement bidding system with double-spending checking.

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Several organizations use auctions in a procurement bidding system to maintain a low procurement cost.Although several privacy-preserving auction solutions for different application scenarios have been proposed over the past few decades, none of them can perform efficient average procurement bidding while ensuring strong privacy protection HDMI to Composite Cable for the bids of suppliers.To address this problem, we propose PSPAB, a lightweight, secure average procurement bidding system based on cryptographic tools, to provide full privacy for bids.In addition, Merchandising/Display Refrigerators this system allows the procurement manager to identify the users in the case of double spending.

We formally prove the security of PSPAB under a semi-honest adversary model.Experimental results validate the theoretical analysis and practical application of PSPAB in real-world scenarios.