公开(公告)号：US11265704B2

公开(公告)日：2022-03-01

申请号：US16323553

申请日：2017-06-05

Applicant: NEC CORPORATION

Inventor： Sadafuku Hayashi ,  Hisashi Futaki ,  Anand Prasad

IPC: H04W12/041 ,  H04W16/28 ,  H04L9/08 ,  H04W12/0431 ,  H04W88/08 ,  H04W12/00 ,  H04W12/65 ,  H04W88/06

Abstract: To enable security enhancement in the case of employing beamforming. A first apparatus according to the present invention includes: an information obtaining unit configured to obtain information related to beam selection; and a key generating unit configured to generate a security key for radio communication between a base station and a terminal apparatus based on the information related to the beam selection.

公开(公告)号：US11463267B2

公开(公告)日：2022-10-04

申请号：US16331581

申请日：2017-04-18

Applicant: NEC CORPORATION

Inventor： Pradheepkumar Singaravelu ,  Sivabalan Arumugam ,  Anand Prasad ,  Hironori Ito

IPC: H04L9/32 ,  H04L9/08 ,  G06F9/455

Abstract: A network function virtualization system, comprises a request receiving unit that receives a request to a certificate of at least one of data exchanging parties; a private key generator that generates a first private key information using a second private key information stored in a hardware-based isolated secure execution environment, in response to the request; a public key extractor that extracts a public key information of the first private key information; a public key information storage unit that stores the public key information; and a verifying unit that is accessible from the request receiving unit and verifies the certificate using the public key information corresponding to the certificate.