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:
Jun. 06, 2006

Filed:

Dec. 27, 2000
Applicants:

Yehuda Feuerstein, Redmond, WA (US);

Jared E. Pfost, Seattle, WA (US);

Stephen J. Purpura, Kirkland, WA (US);

Inventors:

Yehuda Feuerstein, Redmond, WA (US);

Jared E. Pfost, Seattle, WA (US);

Stephen J. Purpura, Kirkland, WA (US);

Assignee:

Microsoft Corporation, Redmond, WA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/04 (2006.01); G06F 17/30 (2006.01); G06K 9/00 (2006.01); H03M 1/68 (2006.01); H04K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A security component determines whether a request for a resource poses a security risk to a computing device and verifies the integrity of the requested resource before the request is allowed. For a request having arguments and a resource path with a filename that identifies the resource, the security component determines that the request does not pose a security risk if the resource path does not exceed a maximum number of characters, individual arguments do not exceed a maximum number of characters, the arguments combined do not exceed a maximum number of characters, and the filename has a valid extension. The security component verifies the integrity of a requested resource by formulating a descriptor corresponding to the resource and comparing the descriptor with a cached descriptor corresponding to the resource.


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