216 search results - page 41 / 44 » Question-based group authentication |
WWW
2006
ACM
14 years 8 months ago
2006
ACM
The asymmetry of activity in virtual communities is of great interest. While participation in the activities of virtual communities is crucial for a community's survival and ...
CCS
2010
ACM
14 years 2 months ago
2010
ACM
In an attribute-based signature (ABS), users sign messages with any predicate of their attributes issued from an attribute authority. Under this notion, a signature attests not to...
SSS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. We present schemes for providing anonymous transactions while privacy and anonymity are preserved, providing user anonymous authentication in distributed networks such as...
FOCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Secret sharing and multiparty computation (also called “secure function evaluation”) are fundamental primitives in modern cryptography, allowing a group of mutually distrustfu...
IMSCCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Peer-to-Peer (P2P) file sharing networks attract much attention from legal and research communities. The success and popularity of P2P networks provides a new paradigm for sharing...