ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,910, issued on Feb. 17, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Key derivation method, apparatus, and system" was invented by Li Hu (Shanghai) and Rong Wu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A key derivation method, an apparatus, and a system. The method includes: user equipment (UE) receives an authentication success message from a mobility management function network element, generates a master session key (MSK) and an extended master session key (EMSK) based on the authentication success message; and determines whether an authentication device is located outside a 3rd generation partnership pr...