6137 search results - page 1175 / 1228 » Securing Collaborative Applications |
PKC
2009
Springer
14 years 9 months ago
2009
Springer
In this work, we consider the task of allowing a content provider to enforce complex access control policies on oblivious protocols conducted with anonymous users. As our primary ...
PKC
2009
Springer
14 years 9 months ago
2009
Springer
Similar to verifiable shuffling (or, mixing), we consider the problem of verifiable rotating (and random re-encrypting) a given list of homomorphic encryptions. The offset by which...
MOBISYS
2009
ACM
14 years 9 months ago
2009
ACM
Loaded with personal data, e.g. photos, contacts, and call history, mobile phones are truly personal devices. Yet it is often necessary or desirable to share our phones with other...
KDD
2002
ACM
14 years 9 months ago
2002
ACM
Data on individuals and entities are being collected widely. These data can contain information that explicitly identifies the individual (e.g., social security number). Data can ...
STOC
2006
ACM
14 years 9 months ago
2006
ACM
Many approximation algorithms have been presented in the last decades for hard search problems. The focus of this paper is on cryptographic applications, where it is desired to de...