Patents by Inventor TIAN HE LI

TIAN HE LI 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).

  • TPM 2.0 platform hierarchy authentication after UEFI post
    Patent number: 10417436
    Abstract: A method of accessing a trusted platform module in a computing device is disclosed. The method includes storing a platform authorization key in a memory of the computing device that includes the trusted platform module. The platform authorization key includes permitting access to the trusted platform module. The method includes obtaining a digital signature in response to the computing device requesting access to the trusted platform module. The digital signature is generated using at least a command for configuring the trusted platform module. The method includes verifying the digital signature and allowing retrieval of the platform authorization key from the memory of the computing device in order to access the trusted platform module in response to the digital signature is verified, and denying retrieval of the platform authorization key otherwise.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: September 17, 2019
    Assignee: LENOVO Enterprise Solutions (Singapore) PTE. LTD.
    Inventors: Tian He Li, Tang Wen Wei
  • TPM 2.0 PLATFORM HIERARCHY AUTHENTICATION AFTER UEFI POST
    Publication number: 20170286705
    Abstract: A method of accessing a trusted platform module in a computing device is disclosed. The method includes storing a platform authorization key in a memory of the computing device that includes the trusted platform module. The platform authorization key includes permitting access to the trusted platform module. The method includes obtaining a digital signature in response to the computing device requesting access to the trusted platform module. The digital signature is generated using at least a command for configuring the trusted platform module. The method includes verifying the digital signature and allowing retrieval of the platform authorization key from the memory of the computing device in order to access the trusted platform module in response to the digital signature is verified, and denying retrieval of the platform authorization key otherwise.
    Type: Application
    Filed: April 5, 2017
    Publication date: October 5, 2017
    Inventors: TIAN HE LI, Tang Wen Wei