NDLI: Hardware-assisted security enhanced Linux in embedded systems: a proposal

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Hardware-assisted security enhanced Linux in embedded systems: a proposal

Content Provider	ACM Digital Library
Author	Padarnitsas, Konstantinos Carucci, Stefano Fiorin, Leandro Ferrante, Alberto
Abstract	As computing and communications increasingly pervade our lives, security and protection of sensitive data and systems are emerging as extremely important issues. This is especially true for embedded systems, often operating in non-secure environments, and with limited amount of computational, storage, and communication resources available. In servers and desktop systems, Security Enhanced Linux (SELinux) is currently used as a method to enhance security by enforcing a security control based on policies that confine user programs, or processes, to the minimum amount of privileges that they require for their execution. While providing a powerful mean for enhancing security in UNIX-like systems, SELinux still remains a feature that is too heavy to be fully supported by constrained devices. In this paper, we propose a hardware architecture for enhancing security and accelerating retrieval and applications of SELinux policies in embedded processors. We describe the general ideas behind our work, discussing motivations, advantages, and limits of the solution proposed, while suggesting the main steps needed to implement the described architecture on common embedded processors.
Starting Page	1
Ending Page	7
Page Count	7
File Format	PDF
ISBN	9781450300780
DOI	10.1145/1873548.1873551
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2010-10-24
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Embedded systems Selinux Access controls
Content Type	Text
Resource Type	Article

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