1255 search results - page 187 / 251 » On Simple and Secure Key Distribution |
163
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TIFS
2010
14 years 11 months ago
2010
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other secu...
146
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CCS
2007
ACM
15 years 10 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
167
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IANDC
2007
15 years 4 months ago
2007
We define reactive simulatability for general asynchronous systems. Roughly, simulatability means that a real system implements an ideal system (specification) in a way that pre...
149
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CRYPTO
2011
Springer
14 years 4 months ago
2011
Springer
RFID security is currently one of the major challenges cryptography has to face, often solved by protocols assuming that an on-tag hash function is available. In this article we pr...
119
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ACSAC
2008
IEEE
15 years 11 months ago
2008
IEEE
Main memory contains transient information for all resident applications. However, if memory chip contents survives power-off, e.g., via freezing DRAM chips, sensitive data such a...