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SDMW
2004
Springer
15 years 3 months ago
Identifying Sensitive Associations in Databases for Release Control
In a database system, authorization-based access-control is generally the first line of defense, preventing unauthorized accesses to secret or sensitive data. However, this mechan...
Claudio Bettini, Xiaoyang Sean Wang, Sushil Jajodi...
COCOON
2008
Springer
14 years 12 months ago
Visual Cryptography on Graphs
In this paper, we consider a new visual cryptography scheme that allows for sharing of multiple secret images on graphs: we are given an arbitrary graph (V, E) where every node an...
Steve Lu, Daniel Manchala, Rafail Ostrovsky
INFOCOM
2011
IEEE
14 years 1 months ago
Physical layer wireless security made fast and channel independent
Abstract – There is a growing interest in physical layer security. Recent work has demonstrated that wireless devices can generate a shared secret key by exploiting variations in...
Shyamnath Gollakota, Dina Katabi
ICDT
2007
ACM
107views Database» more  ICDT 2007»
15 years 4 months ago
Privacy in GLAV Information Integration
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
Alan Nash, Alin Deutsch
SACRYPT
2007
Springer
145views Cryptology» more  SACRYPT 2007»
15 years 4 months ago
Passive-Only Key Recovery Attacks on RC4
Abstract. We present several weaknesses in the key scheduling algorithm of RC4 when the secret key contains an initialization vector – a cryptographic scheme typically used by th...
Serge Vaudenay, Martin Vuagnoux