Patents by Inventor Hyuksang CHOI

Hyuksang CHOI 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).

  • Mobile system including firmware verification function and firmware update method thereof
    Patent number: 10887770
    Abstract: Provided are a method of updating firmware of a device, a device, and a mobile system including the device. The method includes: receiving, from a host, a first hash value and a signature, the first hash value corresponding to a firmware image at the host; performing a pre-verify operation for at least one of integrity verification and signature certification on the firmware image using the received first hash value and the received signature; receiving the firmware image from the host according to a result of the pre-verify operation; and obtaining a second hash value from the received firmware image to perform a post-verify operation for at least one of integrity verification and signature certification on the received firmware image.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyuksang Choi, Yongjae Sung, Jun Ho Lee, Wonill Lee, Hyosun Hwang
  • MOBILE SYSTEM INCLUDING FIRMWARE VERIFICATION FUNCTION AND FIRMWARE UPDATE METHOD THEREOF
    Publication number: 20190191310
    Abstract: Provided are a method of updating firmware of a device, a device, and a mobile system including the device. The method includes: receiving, from a host, a first hash value and a signature, the first hash value corresponding to a firmware image at the host; performing a pre-verify operation for at least one of integrity verification and signature certification on the firmware image using the received first hash value and the received signature; receiving the firmware image from the host according to a result of the pre-verify operation; and obtaining a second hash value from the received firmware image to perform a post-verify operation for at least one of integrity verification and signature certification on the received firmware image.
    Type: Application
    Filed: February 7, 2019
    Publication date: June 20, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyuksang CHOI, Yongjae SUNG, Jun Ho LEE, Wonill LEE, Hyosun HWANG
  • Mobile system including firmware verification function and firmware update method thereof
    Patent number: 10206114
    Abstract: Provided are a method of updating firmware of a device, a device, and a mobile system including the device. The method includes: receiving, from a host, a first hash value and a signature, the first hash value corresponding to a firmware image at the host; performing a pre-verify operation for at least one of integrity verification and signature certification on the firmware image using the received first hash value and the received signature; receiving the firmware image from the host according to a result of the pre-verify operation; and obtaining a second hash value from the received firmware image to perform a post-verify operation for at least one of integrity verification and signature certification on the received firmware image.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: February 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyuksang Choi, Yongjae Sung, Jun Ho Lee, Wonill Lee, Hyosun Hwang
  • MOBILE SYSTEM INCLUDING FIRMWARE VERIFICATION FUNCTION AND FIRMWARE UPDATE METHOD THEREOF
    Publication number: 20150261521
    Abstract: Provided are a method of updating firmware of a device, a device, and a mobile system including the device. The method includes: receiving, from a host, a first hash value and a signature, the first hash value corresponding to a firmware image at the host; performing a pre-verify operation for at least one of integrity verification and signature certification on the firmware image using the received first hash value and the received signature; receiving the firmware image from the host according to a result of the pre-verify operation; and obtaining a second hash value from the received firmware image to perform a post-verify operation for at least one of integrity verification and signature certification on the received firmware image.
    Type: Application
    Filed: March 11, 2015
    Publication date: September 17, 2015
    Inventors: Hyuksang CHOI, Yongjae SUNG, Jun Ho LEE, Wonill LEE, Hyosun HWANG