NDLI: Scalable architectural support for trusted software

Content Provider	IEEE Xplore Digital Library
Author	Champagne, D. Lee, R.B.
Copyright Year	2010
Description	Author affiliation: Princeton University (Champagne, D.; Lee, R.B.)
Abstract	We present Bastion, a new hardware-software architecture for protecting security-critical software modules in an untrusted software stack. Our architecture is composed of enhanced microprocessor hardware and enhanced hypervisor software. Each trusted software module is provided with a secure, fine-grained memory compartment and its own secure persistent storage area. Bastion is the first architecture to provide direct hardware protection of the hypervisor from both software and physical attacks, before employing the hypervisor to provide the same protection to security-critical OS and application modules. Our implementation demonstrates the feasibility of bypassing an untrusted commodity OS to provide application security and shows better security with higher performance when compared to the Trusted Platform Module (TPM), the current industry state-of-the-art security chip. We provide a proof-of-concept implementation on the OpenSPARC platform.
Starting Page	1
Ending Page	12
File Size	424901
Page Count	12
File Format	PDF
ISBN	9781424456581
ISSN	15300897
e-ISBN	9781424456598
DOI	10.1109/HPCA.2010.5416657
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-01-09
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hardware Protection Application software Virtual machine monitors Computer architecture Virtual machining Information security Operating systems Scalability Microprocessors
Content Type	Text
Resource Type	Article

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