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. 12, 2019

Filed:

Feb. 24, 2017
Applicant:

Microsoft Technology Licensing, Llc, Redmond, WA (US);

Inventor:

Rudi Martin, Snohomish, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 8/75 (2018.01); H04L 9/06 (2006.01);
U.S. Cl.
CPC ...
G06F 8/751 (2013.01); H04L 9/0643 (2013.01);
Abstract

A method for identifying duplicate machine code function implementations provides for identifying position-dependent bits within a first function included in a first executable image and masking the identified position-dependent bits to create a position-independent entity. The method further provides for applying a hashing function to the position-independent entity to generate a representative hash code and comparing the representative hash code to a number of hash codes in a table to identify at least one duplicate implementation of the function that is associated in memory with a second executable image.


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