370 search results - page 24 / 74 » Providing Dynamic Security Control in a Federated Database |
DBSEC
2004
14 years 11 months ago
2004
Real-time update of access control policies, that is, updating policies while they are in effect and enforcing the changes immediately, is necessary for many security-critical appl...
PLDI
2009
ACM
15 years 2 months ago
2009
ACM
Dynamic information flow policies, such as declassification, are essential for practically useful information flow control systems. However, most systems proposed to date that ...
IEEEARES
2008
IEEE
15 years 4 months ago
2008
IEEE
As more and more information becomes accessible via on-line databases, more public services can be provided and more complex queries involving several registers become feasible as...
SPW
2001
Springer
15 years 2 months ago
2001
Springer
Although the notion of negotiation has been used extensively in secure communication protocols to establish common keying states, protocol modes and services, this notion is only n...
COMPSAC
2004
IEEE
15 years 1 months ago
2004
IEEE
Considering the solution of dynamic access problems in a user hierarchy, a novel scheme based on one-way hash function is proposed to manage the cryptographic keys in the paper. T...