Patents by Inventor Wanqiang Lan

Wanqiang Lan 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: 11182469
    Abstract: An application security authentication method, including: step 202, acquiring an application file to be downloaded and extracting signature information from the application file; step 204, acquiring public key information contained in a multilevel key hierarchy, and acquiring public key information of the currently highest priority according to a priority order of the public key information; step 206, authenticating the signature information with the acquired public key information of the currently highest priority; and step 208, allowing the application file to be downloaded if an authentication of the signature information is passed.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: November 23, 2021
    Assignee: PAX COMPUTER TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Shaohai Liu, Wanqiang Lan, Heyu Nie, Jianqiang Li
  • Publication number: 20190318078
    Abstract: An application security authentication method, including: step 202, acquiring an application file to be downloaded and extracting signature information from the application file; step 204, acquiring public key information contained in a multilevel key hierarchy, and acquiring public key information of the currently highest priority according to a priority order of the public key information; step 206, authenticating the signature information with the acquired public key information of the currently highest priority; and step 208, allowing the application file to be downloaded if an authentication of the signature information is passed.
    Type: Application
    Filed: September 13, 2017
    Publication date: October 17, 2019
    Inventors: Shaohai Liu, Wanqiang Lan, Heyu Nie, Jianqiang Li