US Patent No. 11,032,869

METHOD OF SECURING UNICAST MESSAGE COMMUNICATION IN 3GPP BASED WIRELESS NETWORKS


Patent No. 11,032,869
Issue Date June 08, 2021
Title Method Of Securing Unicast Message Communication In 3gpp Based Wireless Networks
Inventorship Rajavelsamy Rajadurai, Bangalore (IN)
Mangesh Abhimanyu Ingale, Bangalore (IN)
Narendranath Durga Tangudu, Bangalore (IN)
Assignee Samsung Electronics Co., Ltd., Seoul (KR)

Claim of US Patent No. 11,032,869

1. A method performed by a user equipment (UE) in a wireless communication, the method comprising:sending, by the UE, a request message for resuming radio resource control (RRC) connection to a gNodeB;
receiving, by the UE, an RRC reject message from the gNodeB in case of a network rejection to the request message, the RRC reject message comprising a first message authentication code computed by the gNodeB based on a stored network security context;
mapping, by the UE, at least one of a second message authentication code with the first message authentication code, the second message authentication code having been computed by the UE based on the stored network security context; and
acknowledging the RRC reject message by the UE based on a successful mapping of the second message authentication code with the first message authentication code.