1970 search results - page 147 / 394 » Security Without Firewalls |
165
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SACMAT
2009
ACM
16 years 27 days ago
2009
ACM
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
229
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SACMAT
2009
ACM
16 years 27 days ago
2009
ACM
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
169
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ASIACRYPT
2007
Springer
16 years 17 days ago
2007
Springer
Abstract. Whereas encryption schemes withstanding passive chosenplaintext attacks (CPA) can be constructed based on a variety of computational assumptions, only a few assumptions a...
161
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CCS
2004
ACM
15 years 11 months ago
2004
ACM
We examine the problem of providing useful feedback about access control decisions to users while controlling the disclosure of the system’s security policies. Relevant feedback...
171
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CCS
2001
ACM
15 years 11 months ago
2001
ACM
A group signature scheme allows a group member to sign messages anonymously on behalf of the group, while in case of a dispute, a designated entity can reveal the identity of a si...