The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 20, 2011

Filed:

Apr. 11, 2007
Applicants:

Xiaoming Zhao, Nanjing, CN;

Gang Chen, Nanjing, CN;

Heather Xing, Nanjing, CN;

Inventors:

Xiaoming Zhao, Nanjing, CN;

Gang Chen, Nanjing, CN;

Heather Xing, Nanjing, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A portable secured computing environment for performing online confidential transactions in an untrusted host computer. The secured computing environment may be loaded from a portable storage device, such as a USB stick, plugged into a peripheral port of the host computer. The secured computing environment may include a virtual machine running under a host operating system of the host computer. A secured operating system may be running in the virtual machine. An online application, such as a web browser in communication with an online service, may be run under the secured operating system. Operation of the online application may be restricted by a security profile. For example, the online application may only access network addresses specifically indicated in a whitelist of the security profile.


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