Patents by Inventor Deliang Chang

Deliang Chang 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).

  • Secure communication method, client and non-public server
    Patent number: 11546297
    Abstract: Embodiments of the present disclosure provide a secure communication method, a client and a non-public server. The secure communication method includes: generating a set of destination addresses of a non-public server based on an IPv6 prefix of the non-public server, and a signature string and a user ID of a client, wherein the signature string is obtained by signing an IPv6 address and the user ID of the client based on a private key of the client; initiating a set of connection request to the non-public server based on a set of communication connections containing the set of destination addresses, for the non-public server to determine a public key corresponding to a user ID based on the user ID in the set of destination addresses, verifying the set of communication connections based on the public key, and establishing communication when the verification of the set of communication connections passes.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: January 3, 2023
    Assignee: Tsinghua University
    Inventors: Xing Li, Congxiao Bao, Renjie Liu, Zhe Weng, Deliang Chang
  • SECURE COMMUNICATION METHOD, CLIENT AND NON-PUBLIC SERVER
    Publication number: 20210273909
    Abstract: Embodiments of the present disclosure provide a secure communication method, a client and a non-public server. The secure communication method includes: generating a set of destination addresses of a non-public server based on an IPv6 prefix of the non-public server, and a signature string and a user ID of a client, wherein the signature string is obtained by signing an IPv6 address and the user ID of the client based on a private key of the client; initiating a set of connection request to the non-public server based on a set of communication connections containing the set of destination addresses, for the non-public server to determine a public key corresponding to a user ID based on the user ID in the set of destination addresses, verifying the set of communication connections based on the public key, and establishing communication when the verification of the set of communication connections passes.
    Type: Application
    Filed: March 1, 2021
    Publication date: September 2, 2021
    Inventors: Xing Li, Congxiao Bao, Renjie Liu, Zhe Weng, Deliang Chang