Optimistic Contract Signing Scheme Without Coercion

CHEN Xiao-feng; WANG Ji-lin; WANG Yu-min

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Optimistic Contract Signing Scheme Without Coercion

更新时间：2025-07-16

- Optimistic Contract Signing Scheme Without Coercion
- Acta Electronica Sinica Vol. 32, Issue 3, Pages: 404-407(2004)
- 作者机构：
  
  1. 西安电子科技大学ISN国家重点实验室,陕西,西安,710071
  2. 浙江财经学院信息学院,浙江,杭州,310012
  3. 西安电子科技大学ISN国家重点实验室陕西西安,710071
  4. 浙江财经学院信息学院浙江杭州,310012
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN918
- Published：2004
- 稿件说明：
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CHEN Xiao-feng, WANG Ji-lin, WANG Yu-min. Optimistic Contract Signing Scheme Without Coercion[J]. Acta Electronica Sinica, 2004, 32(3): 404-407.
DOI：

CHEN Xiao-feng, WANG Ji-lin, WANG Yu-min. Optimistic Contract Signing Scheme Without Coercion[J]. Acta Electronica Sinica, 2004, 32(3): 404-407. DOI：

摘要

合同签署是一项重要而频繁的商务活动.现有的合同签署方案都没有解决"强迫签署"的问题:B强迫A签署一项A不愿签署的合同.本文首次引入了"强迫签署"的概念

然后利用XTR公钥密码体制中共轭元素的性质

提出了一种无强迫的最优合同签署方案.在可信赖第三方的帮助下

A可以提供相应的证据来废除所签署的合同

从而最大程度地保证了系统的公平性.

Abstract

Contract signing is a fundamental and frequent service in electronic commerce.All present contract-signing schemes cannot solve the crime of"coercive signing":

forces

to sign a contract that he would not like to sign.The concept of"coercive signing"is firstly introduced in this paper and an optimistic contract-signing scheme without coercion is proposed by using the properties of conjugate elements in XTR system.With the help of the trusted third party

can offer some evidence to abort the contract

so it ensures the fairness of the system furthest.

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Related Author

ZHENG Dong

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CHEN Ke-fei

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Related Institution

Dept.of Computer Science and Engineering,Shanghai Jiaotong Univ.

Lab.On ISDN,Xidian Univ.,Xi'an

Dept.of Computer Science and EngineeringShanghai Jiaotong Univ.Shanghai 200030China

Lab.On ISDNXidian Univ.Xi'an 710071China

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