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:
Dec. 27, 2022
Filed:
Mar. 16, 2018
Nec Corporation, Tokyo, JP;
Sheeba Backia Mary Baskaran, Chennai, IN;
Anand Raghawa Prasad, Tokyo, JP;
Sivabalan Arumugam, Chennai, IN;
Sivakamy Lakshminarayanan, Chennai, IN;
Hironori Ito, Tokyo, JP;
Andreas Kunz, Heidelberg, DE;
NEC CORPORATION, Tokyo, JP;
Abstract
Provided is an authentication device capable of generating a master key suited to a UE in a 5GS. The authentication device () includes a communication unit () configured to, in registration processing of user equipment (UE), acquire UE key derivation function (KDF) capabilities indicating a pseudo random function supported by the UE, a selection unit () configured to select a pseudo random function used for generation of a master key related to the UE by use of the UE KDF capabilities, and a key generation unit () configured to generate a master key related to the UE by use of the selected pseudo random function.