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:
Mar. 25, 2025
Filed:
Dec. 16, 2021
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Liang-Te Chiu, New Taipei, TW;
Wun-Cing Lai, New Taipei, TW;
HON HAI PRECISION INDUSTRY CO., LTD., New Taipei, TW;
Abstract
A method of protecting data applied in a computer device is provided. A designated file is encrypted by using a symmetric key to obtain an encrypted file. The symmetric key is encrypted by using a first public key of a first pair of keys and a first ciphertext is obtained. Information related to the designated file is obtained, and the related information of the designated file is uploaded to a blockchain. When decrypting the encrypted file, the related information of the designated file is downloaded from the blockchain to obtain the related information of the designated file. The symmetric key is obtained by decrypting a first ciphertext of the related information by using a first private key of the first pair of keys, and a decrypted file is obtained by decrypting the encrypted file by using the symmetric key.