6555 search results - page 504 / 1311 » Secure attribute-based systems |
186
Voted
IH
1998
Springer
15 years 11 months ago
1998
Springer
We describe a steganographic system which embeds secret messages into a video stream. We examine the signal path which typically includes discrete cosine transformation (DCT) based...
183
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CCS
2006
ACM
15 years 10 months ago
2006
ACM
Attackers often try to evade an intrusion detection system (IDS) when launching their attacks. There have been several published studies in evasion attacks, some with available to...
173
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EUROCRYPT
2000
Springer
15 years 10 months ago
2000
Springer
The security of many recently proposed cryptosystems is based on the difficulty of solving large systems of quadratic multivariate polynomial equations. This problem is NP-hard ove...
192
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DEBS
2008
ACM
15 years 8 months ago
2008
ACM
Two convincing paradigms have emerged for achieving scalability in widely distributed systems: publish/subscribe communication and role-based, policy-driven control of access to t...
179
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DBA
2004
15 years 8 months ago
2004
In this paper we present an authorization mechanism for a relational database. It allows defining the user privileges exact to a table row. To implement that we used the INSTEAD t...