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:
May. 29, 2018

Filed:

Dec. 18, 2015
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventor:

Takanori Ueda, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01); H04L 9/06 (2006.01);
U.S. Cl.
CPC ...
G06F 17/30949 (2013.01); G06F 17/30097 (2013.01); H04L 9/0643 (2013.01);
Abstract

The present invention provides a method of calculating a hash value, the method making it possible to generate one or more hash functions by changing a predetermined position for selecting a bit, the length of an input key being L bits, the length of a hash value being N bits, and N≤L, the method including a computer performing calculation of a generated certain one hash function by selecting one bit present in a certain predetermined position among lower N bits of the input key, assigning the selected one bit to a bit in a certain predetermined position among N bits of the hash value, and repeating the selecting and the assigning a bit not selected yet in the selecting among the lower N bits of the key to the hash value until all bits not assigned yet of the hash value are assigned.


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Ueda, Takanori. (2018). Hash value capable of generating one or more hash functions (U.S. Patent No. 9984176). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9984176

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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