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《山东大学学报(理学版)》 ›› 2022, Vol. 57 ›› Issue (5): 57-65.doi: 10.6040/j.issn.1671-9352.2.2021.004

• • 上一篇    

基于ECDSA的云存储审计方案

李瑞峰1,易铮阁1,袁文勇1,杨晓元1,2,钮可1,2*   

  1. 1.武警工程大学密码工程学院, 陕西 西安 710086;2.网络与信息安全武警部队重点实验室, 陕西 西安 710086
  • 发布日期:2022-05-27
  • 作者简介:李瑞峰(1998— ),男,硕士研究生,研究方向为信息安全与密码学. E-mail:1225126834@qq.com*通信作者简介:钮可(1981— ),男,博士,副教授,硕士生导师,研究方向为信息安全. E-mail:425186300@qq.com
  • 基金资助:
    国家重点研发计划“网络空间安全”重点专项课题(2017YFB0802000);国家自然科学基金资助项目(62172436);武警工程大学基础前沿研究基金项目(WJY202014)

ECDSA-based auditing scheme for cloud storage

LI Rui-feng1, YI Zheng-ge1, YUAN Wen-yong1, YANG Xiao-yuan1,2, NIU Ke1,2*   

  1. 1. College of Cryptographic Engineering, Engineering University of PAP, Xian 710086, Shaanxi, China;
    2. Key Laboratory of Network and Information Security of the PAP, Xian 710086, Shaanxi, China
  • Published:2022-05-27

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摘要： 针对用户云端数据完整性被破坏后维权困难的问题,提出了一种基于椭圆曲线签名的云审计方案。方案使用区块链与智能合约技术,能够实现云审计公平支付;支持针对云服务商与第三方审计者的数据隐私保护;审计过程中不需要计算幂指数和双线性对,计算开销较小。安全性分析和实验结果表明,本方案是安全、高效的。

关键词: 云存储, 完整性验证, 无双线性对, 椭圆曲线签名, 隐私保护

Abstract: Aiming at the problem of difficult rights protection after the integrity of user cloud data is destroyed, a cloud audit scheme based on elliptic curve signature is proposed. The scheme uses blockchain and smart contract technology to realize fair payment of cloud audit. Support data privacy protection for cloud service providers and third-party auditors. There is no need to calculate power exponent and bilinear pair in the audit process, and the calculation overhead is small. Security analysis and experimental results show that the scheme is safe and efficient.

Key words: cloud storage, integrity auditing, without bilinear pair signature, elliptic curve signature, privacy protection

中图分类号: 

  • TP309.7
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