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:
Feb. 07, 2012

Filed:

Jun. 30, 2008
Applicants:

Robert Allan Clyde, Pleasant Grove, UT (US);

Timothy G. Brown, Fort Edward, NY (US);

Brian Hernacki, Mountain View, CA (US);

William E. Sobel, Jamul, CA (US);

Inventors:

Robert Allan Clyde, Pleasant Grove, UT (US);

Timothy G. Brown, Fort Edward, NY (US);

Brian Hernacki, Mountain View, CA (US);

William E. Sobel, Jamul, CA (US);

Assignee:

Symantec Corporation, Mountain View, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

When an executable file cannot be run on a client computer until the digital signature has been verified, the streaming server performs the verification if the entire file is not present on the client. More specifically, the client detects requests to verify digital signatures on executable files before allowing them to run. The client determines whether the entire executable file is present, and whether the server is trusted to verify digital signatures. If the entire file is not present locally and the server is trusted, the request to verify the digital signature is passed to the server. The server verifies the digital signature on its complete copy of the executable file, and returns the result to the client.


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