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IJNSEC
2007
130views more  IJNSEC 2007»
13 years 9 months ago
An Attack on Libert et al.' s ID-based Undeniable Signature Scheme
In 2004, Libert and Quisquater proposed an identity based undeniable signature scheme using pairings over elliptic curves. In this article, we show that the scheme is not secure. ...
Zichen Li, C. F. Chong, Lucas Chi Kwong Hui, Siu-M...
ETS
2007
IEEE
69views Hardware» more  ETS 2007»
13 years 9 months ago
Instructional Design for Best Practice in the Synchronous Cyber Classroom
Megan Hastie, Nian-Shing Chen, Yen-Hung Kuo
ETS
2007
IEEE
54views Hardware» more  ETS 2007»
13 years 9 months ago
PERKAM: Personalized Knowledge Awareness Map for Computer Supported Ubiquitous Learning
Moushir M. El-Bishouty, Hiroaki Ogata, Yoneo Yano
ETS
2007
IEEE
66views Hardware» more  ETS 2007»
13 years 9 months ago
Deriving Process-driven Collaborative Editing Pattern from Collaborative Learning Flow Patterns
Olivera Marjanovic, Hala Skaf-Molli, Pascal Molli,...