Fine-grained Control of Security Capabilities

We present a new approach for fine-grained control over users' security privileges (fast revocation of credentials) centered around the concept of an on-line semi-trusted mediator (SEM). The use of a SEM in conjunction with a simple threshold variant of the RSA cryptosystem (mediated RSA) offer...

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Main Authors:	BONEH, D., DING, Xuhua, Tsudik, Gene
Format:	text
Language:	English
Published:	Institutional Knowledge at Singapore Management University 2004
Subjects:	Information Security
Online Access:	https://ink.library.smu.edu.sg/sis_research/783 http://dx.doi.org/10.1145/967030.967033
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Institution:	Singapore Management University
Language:	English

id	sg-smu-ink.sis_research-1782
record_format	dspace
spelling	sg-smu-ink.sis_research-17822010-11-26T07:24:03Z Fine-grained Control of Security Capabilities BONEH, D. DING, Xuhua Tsudik, Gene We present a new approach for fine-grained control over users' security privileges (fast revocation of credentials) centered around the concept of an on-line semi-trusted mediator (SEM). The use of a SEM in conjunction with a simple threshold variant of the RSA cryptosystem (mediated RSA) offers a number of practical advantages over current revocation techniques. The benefits include simplified validation of digital signatures, efficient certificate revocation for legacy systems and fast revocation of signature and decryption capabilities. This paper discusses both the architecture and the implementation of our approach as well as its performance and compatibility with the existing infrastructure. Experimental results demonstrate its practical aspects. 2004-02-01T08:00:00Z text https://ink.library.smu.edu.sg/sis_research/783 info:doi/10.1145/967030.967033 http://dx.doi.org/10.1145/967030.967033 Research Collection School Of Computing and Information Systems eng Institutional Knowledge at Singapore Management University Information Security
institution	Singapore Management University
building	SMU Libraries
continent	Asia
country	Singapore Singapore
content_provider	SMU Libraries
collection	InK@SMU
language	English
topic	Information Security
spellingShingle	Information Security BONEH, D. DING, Xuhua Tsudik, Gene Fine-grained Control of Security Capabilities
description	We present a new approach for fine-grained control over users' security privileges (fast revocation of credentials) centered around the concept of an on-line semi-trusted mediator (SEM). The use of a SEM in conjunction with a simple threshold variant of the RSA cryptosystem (mediated RSA) offers a number of practical advantages over current revocation techniques. The benefits include simplified validation of digital signatures, efficient certificate revocation for legacy systems and fast revocation of signature and decryption capabilities. This paper discusses both the architecture and the implementation of our approach as well as its performance and compatibility with the existing infrastructure. Experimental results demonstrate its practical aspects.
format	text
author	BONEH, D. DING, Xuhua Tsudik, Gene
author_facet	BONEH, D. DING, Xuhua Tsudik, Gene
author_sort	BONEH, D.
title	Fine-grained Control of Security Capabilities
title_short	Fine-grained Control of Security Capabilities
title_full	Fine-grained Control of Security Capabilities
title_fullStr	Fine-grained Control of Security Capabilities
title_full_unstemmed	Fine-grained Control of Security Capabilities
title_sort	fine-grained control of security capabilities
publisher	Institutional Knowledge at Singapore Management University
publishDate	2004
url	https://ink.library.smu.edu.sg/sis_research/783 http://dx.doi.org/10.1145/967030.967033
_version_	1770570713805094912

Fine-grained Control of Security Capabilities

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