1605 search results - page 152 / 321 » E-commerce Security Issues |
158
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SACMAT
2009
ACM
16 years 3 days ago
2009
ACM
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
149
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SACMAT
2009
ACM
16 years 3 days ago
2009
ACM
Role-based provisioning has been adopted as a standard component in leading Identity Management products due to its low administration cost. However, the cost of adjusting existin...
183
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GLOBECOM
2008
IEEE
16 years 2 days ago
2008
IEEE
—The group signature based security scheme is a promising approach to provision privacy in vehicular ad hoc networks (VANETs). In this paper, we propose a novel distributed key m...
115
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CCS
2007
ACM
15 years 11 months ago
2007
ACM
Trust management represents today a promising approach for supporting access control in open environments. While several approaches have been proposed for trust management and sig...
148
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CCS
2007
ACM
15 years 11 months ago
2007
ACM
The electronic voting machines known as Direct Recording Electronic (DRE), that are used in many states in the US have been shown to contain security vulnerabilities [16, 9, 3]. O...