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http://dx.doi.org/10.3745/KIPSTC.2004.11C.1.031

Reliable Cascaded Delegation Scheme for Mobile Agent Environments  

Lee, Hyun-Suk (성균관대학교 대학원 정보통신공학부)
Eom, Young-Ik (성균관대학교 정보통신공학부)
Publication Information
The KIPS Transactions:PartC / v.11C, no.1, 2004 , pp. 31-38 More about this Journal
Abstract
In mobile agent environments, migration of an agent occurs continuously due to the mobility of agents. So cascaded delegation can occur among places for delegating the privilege to execute the agent. Because the existing delegation scheme considers only the delegation between two places that participate in migration of an agent, it does not support secure cascaded delegation. In this paper, we propose a cascaded delegation scheme that provides agents with secure cascaded delegation in mobile agent environments. Depending on the trust-relationship among places, the proposed scheme achieves the goal by nesting each delegation token or by nesting only initial token signed by creator of the agent within the signed part of the next immediate delegation token. And we prove that the proposed scheme is secure against the attack of replaying a message and the attack of substituting a delegation token.
Keywords
Distributed Computing; Mobile Agent System; Security; Cascaded Delegation;
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