Patents by Inventor Hansol RYU

Hansol RYU 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).

  • Data protection method and apparatus
    Patent number: 9509495
    Abstract: A data protection method and apparatus that can protect data through encryption using a Boolean function is provided. The data protection method includes applying an inverse affine transformation to data to be encrypted using a Boolean function; applying round operations of an Advanced Encryption Standard (AES) cryptographic algorithm to the inverse-affine transformed data; and producing ciphertext data by applying an affine transformation to the result of the round operations.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: November 29, 2016
    Assignees: Samsung Electronics Co., Ltd, SNU R&DB Foundation
    Inventors: Kyunghee Lee, Junghee Cheon, Eunyoung Kwon, Bumhan Kim, Jinsu Kim, Hongtae Kim, Hansol Ryu, Hyunsook Hong
  • DATA PROTECTION METHOD AND APPARATUS
    Publication number: 20150043731
    Abstract: A data protection method and apparatus that can protect data through encryption using a Boolean function is provided. The data protection method includes applying an inverse affine transformation to data to be encrypted using a Boolean function; applying round operations of an Advanced Encryption Standard (AES) cryptographic algorithm to the inverse-affine transformed data; and producing ciphertext data by applying an affine transformation to the result of the round operations.
    Type: Application
    Filed: August 8, 2014
    Publication date: February 12, 2015
    Inventors: Kyunghee LEE, Junghee CHEON, Eunyoung KWON, Bumhan KIM, Jinsu KIM, Hongtae KIM, Hansol RYU, Hyunsook HONG