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:
Sep. 28, 2021
Filed:
May. 22, 2017
Advanced New Technologies Co., Ltd, Grand Cayman, KY;
Yitao Song, Zhejiang, CN;
Advanced New Technologies Co., Ltd., Grand Cayman, KY;
Abstract
A method includes: pre-generating a key pair including a first public key and a first private key; acquiring identification information about a mobile terminal; encrypting the key pair including the first public key and the first private key using the identification information to obtain a first encrypted public key and a first encrypted private key and saving same; when a service key is encrypted, encrypting the service key using the first private key to obtain an encrypted service key; when the service key is decrypted, decrypting the encrypted service key using the first public key to obtain the service key; acquiring data needing to be encrypted/decrypted of the mobile terminal; and encrypting/decrypting the data using the service key. The security of the data can be protected off-line with low cost and without hardware protection, so that the data cannot be intercepted and tampered with.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile