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:
Jan. 13, 2026
Filed:
May. 11, 2022
Honor Device Co., Ltd., Shenzhen, CN;
HONOR DEVICE CO., LTD., Shenzhen, CN;
Abstract
This application provides a method for saving a ciphertext and an apparatus. The method includes: obtaining an encryption instruction, where the encryption instruction instructs to encrypt a file in an external memory; obtaining an eigenvalue of a first account identifier based on the encryption instruction; encrypting a first key by using the eigenvalue of the first account identifier to generate a first ciphertext, where the first key is used to encrypt a second key, and the second key is used to encrypt a first file in the external memory; encrypting the eigenvalue of the first account identifier to generate a second ciphertext; and storing the first ciphertext and the second ciphertext in a non-erasable partition.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile