ChakraVyuha (CV): A Sandbox Operating System Environment for Controlled Execution of Alien Code

Sharing of unknown programs creates an atmosphere of untrust and hence exacerbates the need to secure information and physical resources from any alien code. A sandbox approach to execution of such foreign code is proposed in this paper. An alien code is trusted with a set of privileges for accessing logical (e.g., callable functions and services) and physical (e.g., rate and maximum consumption amount of CPU, memory, disk space, etc.) resources via a third party authentication. During installation of any code in the sandbox environment, the associated privileges (per user basis) are stored in a secure area and enforced by the Operating System during execution. The alien code may also access resources defined by other subsystems (e.g., database), and hence, in an integrated environment the subsystem specific privileges are transferred securely to the subsystem for monitoring. A prototype version based on Linux OS code has been developed.

By: Asit Dan, Ajay Mohindra, Rajiv Ramaswami and Dinkar Sitaram

Published in: RC20742 in 1997


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