An efficient and secure English auction protocol is proposed with signature based on proof of knowledge.

论文研究了英式电子拍卖协议，基于知识证明签名给出一个安全有效的电子拍卖协议。

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The paper studies the English auction secure protocol. An efficient and secure English auction protocol is proposed with signature based on proof of knowledge.

论文研究了英式电子拍卖协议，基于知识证明签名给出一个安全有效的电子拍卖协议。

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Combining process of bidding and cryptography, an efficient and secure inviting public bidding and bidding protocol of construction engineering is proposed with signature based on proof of knowledge.

论文研究了密码学在工程招投标中的应用，把招投标流程与密码学知识相结合，基于知识证明签名给出一个安全有效的电子招投标方案。

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While my decision to reject the articles is based on the inadequate proof of the crimes alleged, the process which brought this matter to trial was deeply flawed.

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But as the cases of Azharuddin and Malik have show, any punishment meted out must be based on water-tight proof or the courts will soon become involved.

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Although this is well-understood by those at the coal face, it does require rigorous legal proof, based on economics.

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