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ESORICS
1994
Springer
14 years 1 months ago
Aggregation in Relational Databases: Controlled Disclosure of Sensitive Information
It has been observed that often the release of a limited part of an information resource poses no security risks, but the relase of a sufficiently large part of that resource might...
Amihai Motro, Donald G. Marks, Sushil Jajodia
JISE
2008
143views more  JISE 2008»
13 years 9 months ago
A Geometry-Based Secret Image Sharing Approach
This paper solves the visual cryptography problem by the Blakley scheme that is a geometry-based secret sharing strategy. We first partition the protected image into non-overlappi...
Chien-Chang Chen, Wen-Yin Fu
PODS
2006
ACM
121views Database» more  PODS 2006»
14 years 10 months ago
On the efficiency of checking perfect privacy
Privacy-preserving query-answering systems answer queries while provably guaranteeing that sensitive information is kept secret. One very attractive notion of privacy is perfect p...
Ashwin Machanavajjhala, Johannes Gehrke
CTRSA
2007
Springer
93views Cryptology» more  CTRSA 2007»
14 years 1 months ago
Human Identification Through Image Evaluation Using Secret Predicates
Abstract. The task of developing protocols for humans to securely authenticate themselves to a remote server has been an interesting topic in cryptography as a replacement for the ...
Hassan Jameel, Riaz Ahmed Shaikh, Heejo Lee, Sungy...
FC
2005
Springer
87views Cryptology» more  FC 2005»
14 years 3 months ago
Protecting Secret Data from Insider Attacks
We consider defenses against confidentiality and integrity attacks on data following break-ins, or so-called intrusion resistant storage technologies. We investigate the problem o...
David Dagon, Wenke Lee, Richard J. Lipton