Patents by Inventor Chan Gyun Jeong

Chan Gyun Jeong 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).

  • Digital broadcast receiver and booting method of digital broadcast receiver
    Patent number: 8583909
    Abstract: A digital broadcast receiver and a booting method of the digital broadcast receiver are disclosed herein. A method of secure booting of a system in a digital broadcast receiver comprises aligning a plurality of interleaved portions to generate a digital signature, respectively, with an entire firmware image, generating a digital signature of each interleaved portion, selecting a specific interleaved portion, generating a first message digest to read a region of the selected interleaved portion in the entire firmware image and a second message digest from the digital signature of the selected interleaved portion and verifying the firmware image based on the first and second message digest and booting the system in the digital broadcast receiver.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: November 12, 2013
    Assignee: LG Electronics Inc.
    Inventors: Sang Hoon Cha, Bong Seok Kim, Chan Gyun Jeong, In Moon Kim
  • DIGITAL BROADCAST RECEIVER AND BOOTING METHOD OF DIGITAL BROADCAST RECEIVER
    Publication number: 20110138164
    Abstract: A digital broadcast receiver and a booting method of the digital broadcast receiver are disclosed herein. A method of secure booting of a system in a digital broadcast receiver comprises aligning a plurality of interleaved portions to generate a digital signature, respectively, with an entire firmware image, generating a digital signature of each interleaved portion, selecting a specific interleaved portion, generating a first message digest to read a region of the selected interleaved portion in the entire firmware image and a second message digest from the digital signature of the selected interleaved portion and verifying the firmware image based on the first and second message digest and booting the system in the digital broadcast receiver.
    Type: Application
    Filed: December 6, 2010
    Publication date: June 9, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Sang Hoon Cha, Bong Seok Kim, Chan Gyun Jeong, In Moon Kim