Researches on Privacy Enhanced Direct Anonymous Attestation Scheme

CHEN Xiao-feng; FENG Deng-guo

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Researches on Privacy Enhanced Direct Anonymous Attestation Scheme

更新时间：2025-07-16

- Researches on Privacy Enhanced Direct Anonymous Attestation Scheme
- Acta Electronica Sinica Vol. 39, Issue 9, Pages: 2166-2172(2011)
- 作者机构：
  
  中国科学院软件研究所信息安全国家重点实验室中国科学院研究生院,北京,100080
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP309
- Published：2011
- 稿件说明：
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CHEN Xiao-feng, FENG Deng-guo. Researches on Privacy Enhanced Direct Anonymous Attestation Scheme[J]. Acta Electronica Sinica, 2011, 39(9): 2166-2172.
DOI：

CHEN Xiao-feng, FENG Deng-guo. Researches on Privacy Enhanced Direct Anonymous Attestation Scheme[J]. Acta Electronica Sinica, 2011, 39(9): 2166-2172. DOI：

摘要

直接匿名证明方案中采用的匿名性机制是一种"验证者相关的完全或无"保护方案

该保护方案的匿名选择方式比较单一

不能很好的满足实际的需求

如何提高匿名性机制的灵活性是直接匿名证明方案应用的重要问题.本文分析了目前直接匿名证明中匿名性机制的问题

提出了子群隐私增强保护方案并给出了两种实现方式

子群隐私增强保护方案扩展了原始的直接匿名证明方案

为小群体内的隐私性保护提供了可行途径

本文比较分析了两种实现方式的性能和安全性.

Abstract

The direct anonymous attestation proposed by Brickell adopts an anonymous scheme which is "all or none" for verifiers

and the direct anonymous scheme is applicable for only a few scenarios

which can not satisfy the needs in several cases.To design a flexible anonymous scheme becomes a critical issue for deploying the trusted computing platform.We analyze the problems of the anonymous scheme and propose the direct anonymous scheme with sub-group privacy enhancement properties.This proposed scheme provides the privacy solution for the small group

of which we propose two schemes and analyze the performance and security.

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Related Institution

Key Laboratory of Aerospace Information Security and Trusted Computing (Ministry of Education), School of Cyber Science and Engineering, Wuhan University

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Science and Technology on Communication Security Laboratory

State Key Laboratory of InformationSecurity, Institute of Information Engineering, Chinese Academy of Sciences

School of Computer Science Shaanxi Normal University Xi'an Shaanxi China

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