A Nested Token-Based Delegation Scheme for Cascaded Delegation in Mobile Agent Environments 


Vol. 29,  No. 1, pp. 25-34, Jan.  2004


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  Abstract

In mobile agent environments, cascaded delegations among places occur frequently due to the mobility of agents. Cascaded delegation in mobile agent environments can be defined as the process whereby the delegated place delegates the rights of the delegating place further. The representative study for delegation in mobile agent environments is Berkovits et al.'s study. Their study only defines the messages that is sent between the place executing the agent and the place where the agent migrates. Because their study considers only the delegation between two places which participate in migration of an agent, it is inadequate in the situation that the cascaded delegation is necessary. In other words, the relationships among the messages sent from and to places is necessary. However, their study does not exist the relationships. In this paper, we propose a delegation scheme that provides agents with secure cascaded delegation. The proposed scheme achieves the goal by nesting each delegation token within the signed part of the next immediate delegation token. We prove that the proposed scheme is secure against the attack of replaying a message and of substituting a delegation token.

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  Cite this article

[IEEE Style]

H. Kwon, M. Kim, Y. I. Eom, "A Nested Token-Based Delegation Scheme for Cascaded Delegation in Mobile Agent Environments," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 1, pp. 25-34, 2004. DOI: .

[ACM Style]

Hyeog-Man Kwon, Moon-Jeong Kim, and Young Ik Eom. 2004. A Nested Token-Based Delegation Scheme for Cascaded Delegation in Mobile Agent Environments. The Journal of Korean Institute of Communications and Information Sciences, 29, 1, (2004), 25-34. DOI: .

[KICS Style]

Hyeog-Man Kwon, Moon-Jeong Kim, Young Ik Eom, "A Nested Token-Based Delegation Scheme for Cascaded Delegation in Mobile Agent Environments," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 1, pp. 25-34, 1. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880