公路工程中利用群签名的电子投标方案

Electronic Bid Scheme with Group Signature in Highway Engineering

公路工程电子投标是电子商务中的重要活动之一。利用群签名方案可设计出一种新的公路工程密封投标方案。该方案由公路工程招标者来确定公路工程中标者,公路工程中标者的身份则由群管理者根据公路工程中标者对投标消息的签名来确定,且经一次注册后,公路工程投标者即可参加多个投标活动,而不会泄露自己的身份,这使得该方案具有一定的可扩展性。

Highway engineering electronic bid is one of the most important procedures of electroniccommerce. A new highway engineering electronic sealed bid In this scheme, the bidder by group manager according could participate in many augmentability. is determined by the tender to the bids signature of the winner＇s scheme based on group tor, and the identity of bidding message. Once signature is proposed. the winner is decided registering, without disclosing his identity. This makes the scheme the bidder have good