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» Authentication by Biometric Verification
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66
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ICIP
2001
IEEE
15 years 11 months ago
A hierarchical image authentication watermark with improved localization and security
Several fragile watermarking schemes presented in the literature are either vulnerable to vector quantization (VQ) counterfeiting attacks or sacrifice localization accuracy to imp...
Mehmet Utku Celik, Gaurav Sharma, Eli Saber, A. Mu...
NSDI
2008
14 years 12 months ago
Passport: Secure and Adoptable Source Authentication
We present the design and evaluation of Passport, a system that allows source addresses to be validated within the network. Passport uses efficient, symmetric-key cryptography to ...
Xin Liu, Ang Li, Xiaowei Yang, David Wetherall
65
Voted
TIP
2002
102views more  TIP 2002»
14 years 9 months ago
Hierarchical watermarking for secure image authentication with localization
Several fragile watermarking schemes presented in the literature are either vulnerable to vector quantization (VQ) counterfeiting attacks or sacrifice localization accuracy to impr...
Mehmet Utku Celik, Gaurav Sharma, Eli Saber, A. Mu...
ICDE
2008
IEEE
157views Database» more  ICDE 2008»
15 years 11 months ago
Spatial Outsourcing for Location-based Services
- The embedding of positioning capabilities in mobile devices and the emergence of location-based applications have created novel opportunities for utilizing several types of multi...
Yin Yang, Stavros Papadopoulos, Dimitris Papadias,...
68
Voted
SEC
2008
14 years 11 months ago
Role Signatures for Access Control in Open Distributed Systems
Implementing access control efficiently and effectively in an open and distributed system is a challenging problem. One reason for this is that users requesting access to remote re...
Jason Crampton, Hoon Wei Lim