Security of Mobile Agent Platforms using RBAC based on Dynamic Role Assignment

Security Mechanisms for Mobile Agent Platforms Based on SPKI/SDSI Chains of Trust

This work defines a security scheme, based on SPKI/SDSI chains of trust, for protecting mobile agent platforms in large-scale distributed systems. The scheme is composed by a protocol of mutual authentication, a mobile agent authenticator and a mechanism for the generation of protection domain. Due to the flexibility of the SPKI/SDSI certificate delegation infrastructures used, the proposed sch...

Small Mobile Agent Platforms

the role of task-based techniques on the acquisition of english language structures by the intermediate efl students

this study examines the effetivenss of task-based activities in helping students learn english language structures for a better communication. initially, a michigan test was administered to the two groups of 52 students majoring in english at the allameh ghotb -e- ravandi university to ensure their homogeneity. the students scores on the grammar part of this test were also regarded as their pre...

DS RBAC - Dynamic Sessions in Role Based Access Control

Besides the well established access control models, Discretionary Access Control (DAC) and Mandatory Access Control (MAC), the policy neutral Role Based Access Control (RBAC) is gaining increasing attention. An important step towards a wide acceptance of RBAC has been achieved by the standardization of RBAC through the American National Standards Institute (ANSI). While the mandatory concept of...

Security Threats for Mobile Platforms

The proliferation of smart-phone devices, with ever advancing technological features, has brought the issue of mobile device security back into focus. Mobile devices are rapidly becoming attractive targets for malicious attacks due to significant advances in both hardware and operating systems. The modern mobile platforms, like Android, iOS and Symbian, increasingly resemble traditional operati...