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:
Feb. 06, 2024
Filed:
Jan. 11, 2019
Applicant:
Orange, Issy-les-Moulineaux, FR;
Inventor:
Todor Gamishev, Chatillon, FR;
Assignee:
ORANGE, Issy-les-Moulineaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/0431 (2021.01); H04W 12/06 (2021.01); H04W 12/041 (2021.01);
U.S. Cl.
CPC ...
H04W 12/0431 (2021.01); H04W 12/041 (2021.01); H04W 12/06 (2013.01);
Abstract
A method for determining a key for securing communication between a user apparatus and an application server. An authentication server of a mobile communication network and the user apparatus generate a secret master key during an authentication procedure. The user apparatus sends the authentication server a request for a key to communicate with the application server and receives a random variable. The authentication server and the user apparatus calculate the requested key by using a key derivation function applied to at least the random variable, a user identifier and an application server identifier using the master key.