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» Public Key Encryption That Allows PIR Queries
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JUCS
2007
96views more  JUCS 2007»
15 years 4 months ago
Constant Size Ciphertext HIBE in the Augmented Selective-ID Model and its Extensions
At Eurocrypt 2005, Boneh, Boyen and Goh presented a constant size ciphertext hierarchical identity based encryption (HIBE) protocol. Our main contribution is to present a variant ...
Sanjit Chatterjee, Palash Sarkar
PODC
2003
ACM
15 years 10 months ago
Scalable public-key tracing and revoking
Traitor Tracing Schemes constitute a very useful tool against piracy in the context of digital content broadcast. In such multi-recipient encryption schemes, each decryption key is...
Yevgeniy Dodis, Nelly Fazio, Aggelos Kiayias, Moti...
SACMAT
2004
ACM
15 years 10 months ago
Implementing access control to people location information
Ubiquitous computing uses a variety of information for which access needs to be controlled. For instance, a person’s current location is a sensitive piece of information, which ...
Urs Hengartner, Peter Steenkiste
GIS
2009
ACM
16 years 6 months ago
Efficient and Secure Distribution of Massive Geo-Spatial Data
Modern geographic databases can contain a large volume of data that need to be distributed to subscribed customers. The data can be modeled as a cube, where typical dimensions inc...
Hao Yuan, Mikhail J. Atallah
EUROCRYPT
2008
Springer
15 years 6 months ago
The Twin Diffie-Hellman Problem and Applications
ded abstract of this paper appears in Advances in Cryptology -- EUROCRYPT '08, Lecture Notes in Computer Science Vol. 4965, N. Smart ed., Springer-Verlag, 2008. This is the fu...
David Cash, Eike Kiltz, Victor Shoup