在此工作的基础上，设计了一种基于RSA密码体制的最优化公平交换协议。
Afterwards, a novel fair exchange protocol totally based on RSA signature scheme is devised.
基于一种可转换的认证加密方法，设计出一种新的包含半可信第三方的公平交换协议。
A new fair exchange protocol with semi-trusted third party is proposed on the basis of a new convertible authenticated encryption scheme.
可追究性是安全电子商务协议必须遵循的重要原则之一，乐观公平交换协议是一类重要的电子商务协议。
Accountability is one of main properties that security electronic commerce protocols must satisfy. Optimistic fair exchange protocols are important electronic commerce protocols.
作为设计公平交换协议的基本模块，该方案没有使用零知识证明系统提供验证，有效地避免了大量运算。
As a building block of the fair exchange protocol, this approach does not use any zero-knowledge proofs to provide verifiability, it avoids most of the costly computations.
设计了高效的公平电子合同签名交换协议，有利于签名交换的顺利完成。
Applying a efficient Fair Electronic sign exchanging protocol. It is useful for people to exchange their signature.
指定确认者签名可以应用在公平交换和合同签名等协议中。
Designated confirmer signature can be used to construct fair exchange and contract signing protocols, etc.
提出了一种基于交换加密技术的安全公平买方-卖方水印协议，用于保护数字内容版权。
Taking advantage of the commutative encryption, the proposed buyer-seller watermarking protocol is secure and fair to both sides in digital copyright protection.
另一方面，则是针对实际应用的安全协议研究，包括电子拍卖、电子选举、公平交换、基于隐私的数据查询等。
The other aspect is on the practical application of secure protocols, including electronic auction, electronic voting, fair exchange, privacy preserving data mining, etc.
另一方面，则是针对实际应用的安全协议研究，包括电子拍卖、电子选举、公平交换、基于隐私的数据查询等。
The other aspect is on the practical application of secure protocols, including electronic auction, electronic voting, fair exchange, privacy preserving data mining, etc.
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