Sharing trusted hardware across multiple operational...

Details Sharing trusted hardware across multiple operational... Sharing trusted hardware across multiple operational...

2004-03-18

2009-06-23

Vo, Ted T (Department: 2191)

Data processing: software development, installation, and managem

Software program development tool

Managing software components

C717S127000

Reexamination Certificate

active

07552419

ABSTRACT:
A method, system, and article of manufacture to share trusted hardware across multiple operational environments. A virtual machine monitor (VMM) is loaded to support a plurality of virtual machines in a computer system, the VMM including a VMM multiplexer. A first and a second virtual machine (VM) are loaded. A trusted hardware device is shared between the first VM and the second VM using the VMM multiplexer. In one embodiment, the trusted hardware device includes a trusted platform module (TPM).

REFERENCES:
patent: 6269409 (2001-07-01), Solomon
patent: 2005/0076324 (2005-04-01), Lowell et al.
Garfinkel et al., “Terra: A Virtual Machine-Based Platform for Trusted Computing”, ACM, pp. 193-205, Oct. 2003.
Robin et al., “Analysis of the Intel Pentium's Ability to Support a Secure Virtual Machine Monitor”, Proceedings of the 9th Usenix Security Symposium, Denver, CO, pp. 129-144, Aug. 2000.

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