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. 19, 2026

Filed:

Jun. 15, 2023
Applicant:

Huawei Technologies Co., Ltd., Shenzhen, CN;

Inventor:

Assaf Natanzon, Hod Hasharon, IL;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 11/1446 (2026.01); H04L 9/00 (2022.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3236 (2013.01); G06F 11/1453 (2013.01); H04L 9/0825 (2013.01); H04L 9/50 (2022.05);
Abstract

A method of preventing duplication of encrypted data in storage arranged in network in which two or more hosts can store data. The storage includes one or more encrypted data blocks, and the network further includes a distributed ledger accessible to each of the two or more hosts. The method leverages the distributed ledger for efficient deduplication of the data even with untrusted parties, such as the hosts. The method, performed by first host, includes obtaining a first hash value, a proof of ownership, and a random key for each block in plurality of new blocks of data. The method further includes generating and storing backup set description record, storing indication of the backup set description record, and determining zero or more blocks in plurality of new blocks that are present in storage to prevent duplication.


Find Patent Forward Citations

Natanzon, Assaf. (2026). Methods and system of preventing duplication of encrypted data (U.S. Patent No. 12634143). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12634143

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

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