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.

Patent No.:

US 11177945 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 16, 2021

Filed:

Jul. 24, 2020
Applicant:

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

Inventor:

Chun Lei Xu, Xian, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); G06F 21/62 (2013.01);
U.S. Cl.
CPC ...
H04L 9/0825 (2013.01); G06F 21/6209 (2013.01); G06F 21/6218 (2013.01); H04L 9/0861 (2013.01); H04L 9/3236 (2013.01); H04L 63/10 (2013.01); H04L 2209/60 (2013.01);
Abstract

Enabling access to encrypted information by providing a master key and a public key to a partial content owner, generating a ciphertext of content according to a complete content data, at least one content data partition and the public key, wherein the content data partition comprises a portion of the complete content data, providing the ciphertext of the content data and the public key to a validator, receiving a validation result from the validator, and acting upon the validation result.


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