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.:
Date of Patent:
Feb. 17, 2026
Filed:
Sep. 06, 2023
Hitachi, Ltd., Tokyo, JP;
HITACHI VANTARA, LTD., Yokohhama, JP;
Abstract
An information processing system includes a physical drive, a compute unit, and a storage control unit that processes a data input/output request from the compute unit, in which: the storage control unit includes an IO processing unit and an encryption/decryption-related processing unit; the encryption/decryption-related processing unit is capable of referring to key generation method information including at least one element used to generate a key used to encrypt/decrypt the data and an algorithm for generating a key by using the element; and the encryption/decryption-related processing unit generates a key used to encrypt/decrypt the data according to a content set in the key generation method information, and encrypts data received from the compute unit by the IO processing unit or decrypts data read from the physical drive by the IO processing unit by using the key.