28 search results - page 3 / 6 » On the Security of the Lee-Chang Group Signature Scheme and ... |
JOC
2006
13 years 8 months ago
2006
Abstract. In response to the current need for fast, secure and cheap public-key cryptography, we propose an interactive zero-knowledge identification scheme and a derived signature...
CTRSA
2005
Springer
14 years 2 months ago
2005
Springer
We propose a dynamic accumulator scheme from bilinear pairings, whose security is based on the Strong Diffie-Hellman assumption. We show applications of this accumulator in constru...
JNW
2006
13 years 8 months ago
2006
Mobile ad hoc network (MANET) has been generally regarded as an ideal network model for group communications because of its specialty of instant establishment. However, the securit...
CCS
2008
ACM
13 years 10 months ago
2008
ACM
By functionally decomposing a specific algorithm (the hierarchical secure aggregation algorithm of Chan et al. [3] and Frikken et al. [7]), we uncover a useful general functionali...
ICALP
2005
Springer
14 years 2 months ago
2005
Springer
We introduce the notion of hierarchical group signatures. This is a proper generalization of group signatures, which allows multiple group managers organized in a tree with the si...