Rational secret sharing scheme based on Markov decision
academic paper|更新时间:2024-06-05
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Rational secret sharing scheme based on Markov decision
Journal on CommunicationsVol. 36, Issue 9, Pages: 222-229(2015)
作者机构:
1. 贵州大学 理学院,贵州 贵阳 550025
2. 贵阳职业技术学院,贵州 贵阳 550023
作者简介:
基金信息:
TheNationalNaturalScienceFoundationofChina(61170280);The National Natural Science Foundation of China(61363068);The National Natural Science Foundation of China(61472310);China Postdoctoral Science Foundation(2013M530705);The Natural Science Foundation of Guizhou Province(20132112);The Doctors Science Founda-tion of Guizhou University(2012-024);The Youth Foundation of Guizhou University(201305)
The reconstruction methods of a rational secret sharing based on the Markov decision was studied.Firstly
a rational secret sharing system model was proposed using the Markov decision process
which included the players set
the states set
the risk preference function
the state transfer function
the return function
etc.The risk preference function was introduced in order to depict the state set and the state transfer function in this model.Secondly
a rational secret sharing scheme was constructed based on the proposed system model
which was able to solve the secret reconstruction problems according to the Markov strategy.Finally
the functional relations of among the discount factor
the return func-tion and the risk preference function was proposed in this scheme.The analysis results show that the proposed model and scheme are rationality and validity.
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references
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