可支持公平验证的数据群组灵活协同共享方案

王树兰; 甘竞宏; 赵陈斌; 邹家须; 赵国英; 张应辉

doi:10.11959/j.issn.2096-109x.2025005

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可支持公平验证的数据群组灵活协同共享方案

学术论文 | 更新时间：2025-03-20

- 可支持公平验证的数据群组灵活协同共享方案
- Flexible and collaborative data group sharing scheme with fairness and verifiability
- 网络与信息安全学报 2025年11卷第1期页码：40-53
- 作者机构：
  
  1.深圳技术大学大数据与互联网学院，广东深圳 518118
  2.深圳大学应用技术学院，广东深圳 518060
  3.空天信息安全与可信计算教育部重点实验室，武汉大学国家网络安全学院，湖北武汉 430072
  4.西安邮电大学网络空间安全学院，陕西西安 710121
- 作者简介：
  
  [ "王树兰（1987- ），女，河南新乡人，博士，深圳技术大学副教授，主要研究方向为可搜索加密、密码学算法与协议、数据安全。" ]
  [ "甘竞宏（1999- ），男，广西贵港人，深圳大学硕士生，主要研究方向为密码学、信息安全。" ]
  [ "赵陈斌（1996- ），男，安徽六安人，武汉大学博士生，主要研究方向为网络安全、应用密码学。" ]
  [ "邹家须（1985- ），男，河南商丘人，深圳技术大学实验师，主要研究方向为网络与信息安全、终端设备安全、数据安全。" ]
  [ "赵国英（1996- ），男，河南商丘人，深圳大学硕士生，主要研究方向为信息安全与密文检索。" ]
  [ "张应辉（1985- ），男，陕西西安人，博士，西安邮电大学教授，主要研究方向为公钥加密、云安全和无线网络安全。" ]
- 基金信息：
  
  国家自然科学基金(62072369;61702341);深圳技术大学深圳市高等院校稳定支持项目(SZWD2021012);陕西省技术创新引导计划（基金）(2023-YD-CGZH-31)
- DOI：10.11959/j.issn.2096-109x.2025005
  中图分类号： TP309
- 收稿：2024-04-29，
  
  修回：2024-09-11，
  
  纸质出版：2025-02-25
- 稿件说明：
移动端阅览
王树兰, 甘竞宏, 赵陈斌, 等. 可支持公平验证的数据群组灵活协同共享方案[J]. 网络与信息安全学报, 2025, 11(1): 40-53.

WANG S L, GAN J H, ZHAO C B, et al. Flexible and collaborative data group sharing scheme with fairness and verifiability[J]. Chinese Journal of Network and Information Security, 2025, 11(1): 40-53.
王树兰, 甘竞宏, 赵陈斌, 等. 可支持公平验证的数据群组灵活协同共享方案[J]. 网络与信息安全学报, 2025, 11(1): 40-53. DOI： 10.11959/j.issn.2096-109x.2025005.

WANG S L, GAN J H, ZHAO C B, et al. Flexible and collaborative data group sharing scheme with fairness and verifiability[J]. Chinese Journal of Network and Information Security, 2025, 11(1): 40-53. DOI： 10.11959/j.issn.2096-109x.2025005.

摘要

随着云服务的快速发展，数据的共享和传播受到了广泛关注。基于属性的条件代理重加密（attribute-based conditional proxy re-encryption

AB-CPRE）能安全且高效地实现数据群组共享和传播而被广泛应用。然而，现有的AB-CPRE方案无法实现同一组内多个数据传播者协同将数据传播给新的用户组，仅支持单一数据传播者，灵活性差。此外，现有方案中用户生成验证值所需的计算开销随着密文中属性数增加而增加，导致云服务器和用户之间的公平验证效率低。针对上述不足，提出一种可支持公平验证的数据群组灵活协同共享方案。该方案构造了一种协同传播树结构，以实现同一组内多个数据传播者协同将数据传播给新用户组。此外，该方案设计了计算开销恒定的验证值生成机制，使用户仅需常数级计算开销即可生成验证值，从而高效实现云服务器和用户间的公平可验证。最后，形式化安全性证明和性能评估表明，所提方案是可证明安全和公平可验证的，并在验证值生成、重加密密钥生成和解密阶段比现有方案高效。

Abstract

With the rapid development of cloud services

data sharing and dissemination have received widespread attention. Attribute-based conditional proxy re-encryption (AB-CPRE) has been widely used as a secure and efficient method to achieve group data sharing and dissemination. However

existing AB-CPRE schemes were unable to support multiple data disseminators within the same group to collaboratively disseminate data to new user groups

as only a single data disseminator was permitted

which limited flexibility. Additionally

in these schemes

the computation cost for users to generate proofs increased with the number of attributes in the ciphertext

resulting in low efficiency in ensuring fairness and verifiability between the cloud server and the user. To address these shortcomings

a flexible and collaborative data group sharing scheme with fairness and verifiability was proposed. A collaborative dissemination tree was designed to enable multiple data disseminators within the same group to collaboratively disseminate data to new user groups. Furthermore

the proposed scheme incorporated a constant-cost proof generation mechanism

allowing users to generate proofs with constant computation cost

thereby ensuring efficient fairness and verifiability between the cloud server and the user. Formal security proofs and performance evaluations demonstrate that the proposed scheme is provably secure

fair

and verifiable. It is shown to offer greater efficiency in proof generation

re-encryption key generation

and decryption phases compared to existing schemes.

关键词

Keywords

references

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