Abstract
Mobile agents are active objects that can autonomously migrate in a heterogeneous network to perform tasks on behalf of their owners. Mobile agents also raise several security issues related to the protection of host resources and the data carried by an agent itself. In this paper, we present a framework which is concerned with creating Web-based services for virtual learning environment (VLE) related to student assessment using mobile agent technology. In our system, agents protect their secured data by carrying their own protection mechanisms and communicate with multiple agents using a single server. This system improves traditional solutions, where protection was managed by the agent. The authentication of mobile agents is controlled by using digital signature and a public key infrastructure. We have implemented this scheme in mobile aglet platform.
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