55 search results - page 1 / 11 » On Key Assignment for Hierarchical Access Control |
CSFW
2006
IEEE
14 years 5 months ago
2006
IEEE
A key assignment scheme is a cryptographic technique for implementing an information flow policy, sometimes known as hierarchical access control. All the research to date on key ...
IJNSEC
2007
13 years 11 months ago
2007
In a hierarchical structure, a user in a security class has access to information items of another class if and only if the former class is a predecessor of latter. Based upon cry...
AINA
2007
IEEE
14 years 5 months ago
2007
IEEE
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
SWS
2004
ACM
14 years 4 months ago
2004
ACM
W3C Recommendations XML Encryption and XML-Digital Signature can be used to protect the confidentiality of and provide assurances about the integrity of XML documents transmitted...
SEC
2008
14 years 12 days ago
2008
Implementing access control efficiently and effectively in an open and distributed system is a challenging problem. One reason for this is that users requesting access to remote re...