143 search results - page 18 / 29 » Enabling secure digital marketplace |
DBSEC
2011
14 years 1 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 4 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...
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CCS
2006
ACM
15 years 1 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...
CCS
2011
ACM
13 years 9 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 3 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...