THE BIDDING PRICE SECURITY METHOD FOR SECRET BIDDING SYSTEM AND SUPPORTING SYSTEM FOR IT

摘要

The present invention is a method of securing a 'bid' in a closed bidding system. Using the present invention, the bidder can be known only by the bidder before the deadline, and the bid is not disclosed until the bidding period is over (closed). The present invention is a combination of message digest, symmetric key decryption, asymmetric key decryption (PKI), etc., and has the advantages of a very high security and a faster speed than the prior art.