协议不仅保证了投标者对所投价位的不可否认性和匿名性，而且保证了拍卖代理对接收标书的不可否认性。
The protocol not only guarantees the non repudiation and anonymity of the bidder, but also ensures the non repudiation of the bid received.
该方案除了满足投标者匿名、投标价保密、不可否认性、强可验证性等安全要求外，还具有技术简单、通信量小、随机标价、限时强迫兑现等优点。
This scheme can satisfy all the secure requirement of sealed-bid auction stated such as bidder anonymity, bid secrecy, bidder default, verification, and has the advantages of simple technique, sm...
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