Patent 7552419 was granted and assigned to Intel on June, 2009 by the United States Patent and Trademark Office.
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).