31 search results - page 1 / 7 » Structured Encryption and Controlled Disclosure |
ASIACRYPT
2010
Springer
13 years 2 months ago
2010
Springer
We consider the problem of encrypting structured data (e.g., a web graph or a social network) in such a way that it can be efficiently and privately queried. For this purpose, we ...
IEEEMSP
2002
IEEE
13 years 9 months ago
2002
IEEE
Abstract— This paper discusses encryption operations that selectively encrypt content-carrying segments of multimedia data stream. We propose and analyze three techniques that wo...
CCS
2006
ACM
13 years 8 months ago
2006
ACM
As more sensitive data is shared and stored by third-party sites on the Internet, there will be a need to encrypt data stored at these sites. One drawback of encrypting data, is t...
IJCMAM
2010
13 years 1 months ago
2010
Commercial Web-based Personal-Health Record (PHR) systems can help patients to share their personal health records (PHRs) anytime from anywhere. PHRs are very sensitive data and an...
PST
2004
13 years 6 months ago
2004
This paper presents the first mediated hierarchical identity-based encryption and signature schemes. Both schemes are designed to support information access control in hierarchical...