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» On the Security of the Digital Signature Algorithm
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SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
14 years 7 months ago
Private queries in location based services: anonymizers are not necessary
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
Gabriel Ghinita, Panos Kalnis, Ali Khoshgozaran, C...
ICSE
2005
IEEE-ACM
14 years 7 months ago
Verification and change-impact analysis of access-control policies
Sensitive data are increasingly available on-line through the Web and other distributed protocols. This heightens the need to carefully control access to data. Control means not o...
Kathi Fisler, Shriram Krishnamurthi, Leo A. Meyero...
MOBIHOC
2008
ACM
14 years 7 months ago
Improving sensor network immunity under worm attacks: a software diversity approach
Because of cost and resource constraints, sensor nodes do not have a complicated hardware architecture or operating system to protect program safety. Hence, the notorious buffer-o...
Yi Yang, Sencun Zhu, Guohong Cao
MM
2004
ACM
136views Multimedia» more  MM 2004»
14 years 24 days ago
Fingerprinting and forensic analysis of multimedia
One of the prime reasons movie and music studios have ignored the Internet for open-networked multimedia content delivery, has been the lack of a technology that can support a sec...
Daniel Schonberg, Darko Kirovski
MMSEC
2004
ACM
137views Multimedia» more  MMSEC 2004»
14 years 24 days ago
Perturbed quantization steganography with wet paper codes
In this paper, we introduce a new approach to passive-warden steganography in which the sender embeds the secret message into a certain subset of the cover object without having t...
Jessica J. Fridrich, Miroslav Goljan, David Soukal