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:
Jul. 01, 2025
Filed:
Aug. 03, 2023
Western Digital Technologies, Inc., San Jose, CA (US);
Dattatreya Nayak, Bangalore, IN;
Arun Shukla, Bangalore, IN;
Sandisk Technologies, Inc., Milpitas, CA (US);
Abstract
This disclosure relates to systems, methods, and data storage devices, such as a data storage device comprising a data path and a controller. The data path comprises a data port to transmit data between a host computer system and the data storage device. The data storage device registers with the host computer system as a block data storage device. A non-volatile storage medium stores encrypted user content data. A cryptography engine is connected between the data port and the storage medium and uses cryptographic key data to encrypt and decrypt user content data. The controller is configured to send the encrypted user content data for back-up storage external to the data storage device as encrypted by the cryptographic key data, and communicate with a user device over a communication channel that is different from the data path, to send the cryptographic key data for decryption of the encrypted user content external to the data storage device.