Privacy-Preserving Credentials Upon Trusted Computing Augmented Servers
Credentials are an indispensable means for service access control in electronic commerce. However, regular credentials such as X.509 certificates and SPKI/SDSI certificates do not address user privacy at all, while anonymous credentials that protect user privacy are complex and have compatibility pr...
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2007
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sg-smu-ink.sis_research-13872019-03-11T01:25:26Z Privacy-Preserving Credentials Upon Trusted Computing Augmented Servers YANG, Yanjiang DENG, Robert H. BAO, Feng Credentials are an indispensable means for service access control in electronic commerce. However, regular credentials such as X.509 certificates and SPKI/SDSI certificates do not address user privacy at all, while anonymous credentials that protect user privacy are complex and have compatibility problems with existing PKIs. In this paper we propose privacy-preserving credentials, a concept between regular credentials and anonymous credentials. The privacy-preserving credentials enjoy the advantageous features of both regular credentials and anonymous credentials, and strike a balance between user anonymity and system complexity. We achieve this by employing computer servers equipped with TPMs (Trusted Platform Modules). We present a detailed construction for ElGamal encryption credentials. We also present XML-based specification for the privacy-preserving credentials. 2007-03-01T08:00:00Z text application/pdf https://ink.library.smu.edu.sg/sis_research/388 info:doi/10.1007/978-3-540-72163-5_15 https://ink.library.smu.edu.sg/context/sis_research/article/1387/viewcontent/Yang2007_Chapter_Privacy_PreservingCredentialsU.pdf http://creativecommons.org/licenses/by-nc-nd/4.0/ Research Collection School Of Computing and Information Systems eng Institutional Knowledge at Singapore Management University Information Security |
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Information Security YANG, Yanjiang DENG, Robert H. BAO, Feng Privacy-Preserving Credentials Upon Trusted Computing Augmented Servers |
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Credentials are an indispensable means for service access control in electronic commerce. However, regular credentials such as X.509 certificates and SPKI/SDSI certificates do not address user privacy at all, while anonymous credentials that protect user privacy are complex and have compatibility problems with existing PKIs. In this paper we propose privacy-preserving credentials, a concept between regular credentials and anonymous credentials. The privacy-preserving credentials enjoy the advantageous features of both regular credentials and anonymous credentials, and strike a balance between user anonymity and system complexity. We achieve this by employing computer servers equipped with TPMs (Trusted Platform Modules). We present a detailed construction for ElGamal encryption credentials. We also present XML-based specification for the privacy-preserving credentials. |
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text |
author |
YANG, Yanjiang DENG, Robert H. BAO, Feng |
author_facet |
YANG, Yanjiang DENG, Robert H. BAO, Feng |
author_sort |
YANG, Yanjiang |
title |
Privacy-Preserving Credentials Upon Trusted Computing Augmented Servers |
title_short |
Privacy-Preserving Credentials Upon Trusted Computing Augmented Servers |
title_full |
Privacy-Preserving Credentials Upon Trusted Computing Augmented Servers |
title_fullStr |
Privacy-Preserving Credentials Upon Trusted Computing Augmented Servers |
title_full_unstemmed |
Privacy-Preserving Credentials Upon Trusted Computing Augmented Servers |
title_sort |
privacy-preserving credentials upon trusted computing augmented servers |
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Institutional Knowledge at Singapore Management University |
publishDate |
2007 |
url |
https://ink.library.smu.edu.sg/sis_research/388 https://ink.library.smu.edu.sg/context/sis_research/article/1387/viewcontent/Yang2007_Chapter_Privacy_PreservingCredentialsU.pdf |
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