NDLI: Integrity Verification and Secure Loading of Remote Binaries for Microkernel-Based Runtime Environments

Content Provider	IEEE Xplore Digital Library
Author	Weiss, Michael Wagner, Steffen Hellman, Roland Wessel, Sascha
Copyright Year	2014
Abstract	While most microkernel-based systems implement non-essential software components as user space tasks and strictly separate those tasks during runtime, they often rely on a static configuration and composition of their software components to ensure safety and security. In this paper, we extend a microkernel-based system architecture with a Trusted Platform Module (TPM) and propose a verification mechanism for a microkernel runtime environment, which calculates integrity measurements before allowing to load (remote) binaries. As a result, our approach is the first to adopt the main ideas of the Integrity Measurement Architecture (IMA), which has been proposed for Linux-based systems, to a microkernel. In comparison, however, it significantly reduces the Trusted Computing Base (TCB) and allows for a strict separation of the integrity verification component from any rich operating system, such as GNU/Linux or Android, running in parallel. In our implementation, which is based on L4/Fiasco. OC with L4Re as runtime environment, we present our extension of the existing L4Re loader service that calculates integrity measurements for each binary. We also evaluate our implementation on two ARM-based developer boards and discuss code size, security, and performance of our proposed integrity verification mechanism.
Starting Page	544
Ending Page	551
File Size	285391
Page Count	8
File Format	PDF
ISBN	9781479965137
DOI	10.1109/TrustCom.2014.69
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context Runtime Protocols Microkernel Loading Secure Loading Trusted Platform Module Integrity Verification L4 Servers Cryptography Kernel
Content Type	Text
Resource Type	Article

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