Sciweavers

231 search results - page 27 / 47
» Generalized Identity Based and Broadcast Encryption Schemes
Sort
View
IJNSEC
2007
131views more  IJNSEC 2007»
13 years 7 months ago
An Asymmetric Cryptographic Key Assignment Scheme for Access Control in Tree Structural Hierarchies
In a hierarchical structure, a user in a security class has access to information items of another class if and only if the former class is a predecessor of latter. Based upon cry...
Debasis Giri, Parmeshwary Dayal Srivastava
CVPR
2006
IEEE
14 years 9 months ago
Using Bilinear Models for View-invariant Action and Identity Recognition
Human identification from gait is a challenging task in realistic surveillance scenarios in which people walking along arbitrary directions are shot by a single camera. In this pa...
Fabio Cuzzolin
CODASPY
2012
12 years 3 months ago
Comparison-based encryption for fine-grained access control in clouds
Access control is one of the most important security mechanisms in cloud computing. However, there has been little work that explores various comparison-based constraints for regu...
Yan Zhu, Hongxin Hu, Gail-Joon Ahn, Mengyang Yu, H...
CANS
2011
Springer
292views Cryptology» more  CANS 2011»
12 years 7 months ago
Breaking Fully-Homomorphic-Encryption Challenges
At EUROCRYPT ’10, van Dijk, Gentry, Halevi and Vaikuntanathan presented simple fully-homomorphic encryption (FHE) schemes based on the hardness of approximate integer common div...
Phong Q. Nguyen
ACISP
2008
Springer
14 years 1 months ago
Secure Biometric Authentication with Improved Accuracy
Abstract. We propose a new hybrid protocol for cryptographically secure biometric authentication. The main advantages of the proposed protocol over previous solutions can be summar...
Manuel Barbosa, Thierry Brouard, Stéphane C...