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:
May. 11, 2021
Filed:
Jan. 25, 2019
China Unionpay Co., Ltd., Shanghai, CN;
CHINA UNIONPAY CO., LTD., Shanghai, CN;
Abstract
A method, terminal and device for establishing security infrastructure, comprising: an intermediate service organization receives an organization secret key sent by a third-party service organization; the intermediate service organization encrypts the organization secret key by a first encryption means and sends the encrypted organization secret key to a security storage region of a terminal; the intermediate service organization receives a first terminal public key encrypted by the terminal using a second encryption means; and the intermediate service organization sends the first terminal public key obtained by decryption to the third-party service organization. The organization secret key of the third-party service organization may be sent to the terminal through the intermediate service organization, and the first terminal public key of the terminal may be sent to the third-party service organization, thus a universal security infrastructure and a technical frame work having good openness may be provided by the intermediate service organization.