143 search results - page 18 / 29 » Enabling secure digital marketplace |
110
Voted
DBSEC
2011
14 years 3 months ago
2011
Online social networks (OSNs) have experienced tremendous growth in recent years and become a de facto portal for hundreds of millions of Internet users. These OSNs offer attractiv...
IDTRUST
2009
ACM
15 years 6 months ago
2009
ACM
Security in browsers is based upon users trusting a set of root Certificate Authorities (called Trust Anchors) which they may know little or nothing about. Browser vendors face a...
111
click to vote
CCS
2006
ACM
15 years 3 months ago
2006
ACM
In this paper, we introduce the concept of witness anonymity for peer-to-peer systems. Witness anonymity combines the seemingly conflicting requirements of anonymity (for honest p...
108
click to vote
CCS
2011
ACM
13 years 11 months ago
2011
ACM
We extend Goldberg’s multi-server information-theoretic private information retrieval (PIR) with a suite of protocols for privacypreserving e-commerce. Our first protocol adds ...
SIGECOM
2005
ACM
15 years 5 months ago
2005
ACM
When distributing digital content over a broadcast channel it’s often necessary to revoke users whose access privileges have expired, thus preventing them from recovering the co...