对基于身份云数据完整性验证方案的分析与改进
TP393; 个人或企业将数据外包给远程云服务器,在获得运营便利的同时也失去了对数据的本地控制权,无法直接保证数据的完整性和隐私性.分析了Zhang等和Xu等提出的基于身份云数据完整性验证方案的安全性.分析表明Zhang等所提方案易遭受密钥恢复攻击,云服务器利用存储的用户数据可恢复出用户的私钥,而Xu等所提方案不能满足健壮性的安全要求.在Xu等方案的基础上,提出了一个改进的云数据完整性验证方案,分析表明新方案可提供健壮性和隐私性的安全需求,并且可提供与Xu等所提方案相同的通信和计算开销....
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Published in | 通信学报 Vol. 39; no. 11; pp. 98 - 105 |
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Main Authors | , , , , |
Format | Journal Article |
Language | Chinese |
Published |
南京邮电大学计算机学院、软件学院、网络空间安全学院,江苏南京210003
25.11.2018
江苏省无线传感网高技术研究重点实验室,江苏南京210003 |
Subjects | |
Online Access | Get full text |
ISSN | 1000-436X |
DOI | 10.11959/j.issn.1000-436x.2018229 |
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Abstract | TP393; 个人或企业将数据外包给远程云服务器,在获得运营便利的同时也失去了对数据的本地控制权,无法直接保证数据的完整性和隐私性.分析了Zhang等和Xu等提出的基于身份云数据完整性验证方案的安全性.分析表明Zhang等所提方案易遭受密钥恢复攻击,云服务器利用存储的用户数据可恢复出用户的私钥,而Xu等所提方案不能满足健壮性的安全要求.在Xu等方案的基础上,提出了一个改进的云数据完整性验证方案,分析表明新方案可提供健壮性和隐私性的安全需求,并且可提供与Xu等所提方案相同的通信和计算开销. |
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AbstractList | TP393; 个人或企业将数据外包给远程云服务器,在获得运营便利的同时也失去了对数据的本地控制权,无法直接保证数据的完整性和隐私性.分析了Zhang等和Xu等提出的基于身份云数据完整性验证方案的安全性.分析表明Zhang等所提方案易遭受密钥恢复攻击,云服务器利用存储的用户数据可恢复出用户的私钥,而Xu等所提方案不能满足健壮性的安全要求.在Xu等方案的基础上,提出了一个改进的云数据完整性验证方案,分析表明新方案可提供健壮性和隐私性的安全需求,并且可提供与Xu等所提方案相同的通信和计算开销. |
Author | 王汝传 潘笑笑 肖甫 王少辉 王志伟 |
AuthorAffiliation | 南京邮电大学计算机学院、软件学院、网络空间安全学院,江苏南京210003;江苏省无线传感网高技术研究重点实验室,江苏南京210003 |
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Author_FL | PAN Xiaoxiao WANG Shaohui WANG Ruchuan XIAO Fu WANG Zhiwei |
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Keywords | 基于身份密码系统 隐私性 云存储 数据完整性 |
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Title | 对基于身份云数据完整性验证方案的分析与改进 |
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