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As multicasting is increasingly used as an efficient communication mechanism for group-oriented applications in the Internet, the research of the multicast key management is becoming a hot issue. Firstly, we analyze the n-party GDH.2 multicast key management protocol and point out that it has the following flaws: lack of certification, vulnerability to man-in-the-middle attacks, and a single-point...
In 2006, the IETF released its latest effort, NETCONF, a brand new network management protocol, which is based on the XML encoding method. The NETCONF protocol is thought to be able to meet the requirement of configuration management which SNMP fails to do well. The NETCONF protocol also performs better in other fields such as the efficiency, more flexible operations, etc. But, as a new protocol,...
Secure interaction between trusted-domains is a major problem on network security. Combining with the advantages of role-based access control (RBAC) and the existing authentication technique on crossing the trusted-domain, this paper proposes a privilege management model on crossing the trusted-domains (PMCT) which is suitable for large scale distributed network. Role recommending policy and unilateral...
The efficient authorization is the precondition of implementing access control. Traditional access control technology which lacks dynamic authorization mechanism focuses on the beforehand authorization process. Based on usage control (UCON) which is new access control technology, this paper proposes a role-based dynamic authorization model. This model extends RBAC by introducing elements of UCON such...
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