Rational exchange protocol model based on mixed strategy

Hong DING; Chang-gen PENG; Qing-qing KUANG

doi:10.11959/j.issn.2909-109x.2016.00016

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Rational exchange protocol model based on mixed strategy

academic paper | 更新时间：2024-06-03

- Rational exchange protocol model based on mixed strategy
- Chinese Journal of Network and Information Security Vol. 2, Issue 3, Pages: 68-79(2016)
- 作者机构：
  
  1. 贵州大学理学院，贵州贵阳 550025
  2. 贵州大学密码学与数据安全研究所，贵州贵阳550025
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2909-109x.2016.00016
  CLC： TP309
- Online First：2016-12，
  
  Published：15 March 2016
- 稿件说明：
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Hong DING, Chang-gen PENG, Qing-qing KUANG. Rational exchange protocol model based on mixed strategy[J]. Chinese Journal of Network and Information Security, 2016, 2(3): 68-79.
DOI：

Hong DING, Chang-gen PENG, Qing-qing KUANG. Rational exchange protocol model based on mixed strategy[J]. Chinese Journal of Network and Information Security, 2016, 2(3): 68-79. DOI： 10.11959/j.issn.2909-109x.2016.00016.

摘要

在小额支付的交换协议中，通过TTP保证协议公平性所需代价往往高于协议本身价值，在这种情况下，理性交换协议是一种合适的选择。应用扩展式博弈混合策略理论对交换协议进行了建模，引入熵函数对交换过程中的公平性进行了描述；在保证过程公平性原则的前提下，运用混合策略纳什均衡概念形式化定义了理性公平性，并在此模型基础上构造了一个新的理性交换协议；对协议的可追究性、理性公平性进行了证明，结果表明该协议能达到混合策略纳什均衡。该协议无须可信第三方，实现了理性公平性并对惩罚值进行了优化，具有更好的适应性。

Abstract

In the exchange of micropayment protocol

the cost of ensuring fairness by TTP is higher than the value of protocol

in this case the rational exchange protocol is a appropriate choice. Exchange protocol was modeled by extensive mixed strategy game and the entropy function was introduced to discuss the fairness in the process of exchange. In addition

the rational fairness was formally defined by using the concept of mixed strategy Nash equilibrium under the principle of the fairness in the process

and on the basis of this model to construct a new rational exchange protolcol. The protocol’s accountability and rational fairness were proved

the results show that the proposed protocol can achieve mixed stratrgy Nash equilibrium. Without the participation of the trusted third party

the protocol can achieve rational fairness and optimize the penalty values

it is beautifully adapted to the real environment.

关键词

Keywords

references

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