Patents by Inventor Changzhen WEI

Changzhen WEI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11736277
    Abstract: Technologies for key management of internet-of-things (IoT) devices include an IoT device, an authority center server, and a group management server. The IoT device is configured to authenticate with an authority center server via an offline communication channel, receive a group member private key as a function of the authentication with the authority center server, and authenticate with a group management server via a secure online communication channel using the group member private key. The IoT device is further configured to receive a group shared key as a function of the authentication with the group management server, encrypt secret data with the group shared key, and transmit the encrypted secret data to the group management server. Other embodiments are described herein.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: August 22, 2023
    Assignee: Intel Corporation
    Inventors: Changzhen Wei, Junyuan Wang, Ned Smith, Weigang Li, Ping Yu
  • Publication number: 20220060322
    Abstract: Technologies for key management of internet-of-things (IoT) devices include an IoT device, an authority center server, and a group management server. The IoT device is configured to authenticate with an authority center server via an offline communication channel, receive a group member private key as a function of the authentication with the authority center server, and authenticate with a group management server via a secure online communication channel using the group member private key. The IoT device is further configured to receive a group shared key as a function of the authentication with the group management server, encrypt secret data with the group shared key, and transmit the encrypted secret data to the group management server. Other embodiments are described herein.
    Type: Application
    Filed: August 31, 2021
    Publication date: February 24, 2022
    Inventors: Changzhen WEI, Junyuan WANG, Ned SMITH, Weigang LI, Ping YU