Patents by Inventor Seol hwa HAN

Seol hwa HAN 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).

  • Method and system for protecting file using class distribution and sequential memory loading
    Patent number: 11921874
    Abstract: A file protection method of a computer apparatus including a processor, the method including extracting classes from an executable file of a package file, classifying the classes into class groups, adding a loading code to a first class group among the class groups, the loading code configured to cause sequential loading of the class groups to a memory in a random loading order in response to execution of the package file, adding an integrity code to a second class group among the class groups, the integrity code configured to verify an integrity of a corresponding class group among the class groups or a previous class group among the class groups, the previous class group including the loading code configured to cause the corresponding class group to load, and regenerating the package file using the class groups after the adding the loading code and the adding the integrity code.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: March 5, 2024
    Assignee: LINE Plus Corporation
    Inventors: Sang Min Chung, Seol hwa Han, SangHun Jeon
  • METHOD AND SYSTEM FOR PROTECTING FILE USING CLASS DISTRIBUTION AND SEQUENTIAL MEMORY LOADING
    Publication number: 20210390198
    Abstract: A file protection method of a computer apparatus including a processor, the method including extracting classes from an executable file of a package file, classifying the classes into class groups, adding a loading code to a first class group among the class groups, the loading code configured to cause sequential loading of the class groups to a memory in a random loading order in response to execution of the package file, adding an integrity code to a second class group among the class groups, the integrity code configured to verify an integrity of a corresponding class group among the class groups or a previous class group among the class groups, the previous class group including the loading code configured to cause the corresponding class group to load, and regenerating the package file using the class groups after the adding the loading code and the adding the integrity code.
    Type: Application
    Filed: May 28, 2021
    Publication date: December 16, 2021
    Applicant: LINE Plus Corporation
    Inventors: Sang Min CHUNG, Seol hwa HAN, SangHun JEON