Patents by Inventor Hyun-Jo Kwon

Hyun-Jo Kwon 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).

  • Password-based authentication protocol secure against server's dictionary attack
    Publication number: 20030163698
    Abstract: The present invention discloses a password-based authentication protocol wherein an authentication key is generated with an individual private key of the key servers and a public key of the group of the key servers, which do not store the user's password, and thereby it is possible to protect against a camouflaging server's dictionary attack for accessing the user's password.
    Type: Application
    Filed: December 23, 2002
    Publication date: August 28, 2003
    Inventors: Jeeyeon Kim, Seungjoo Kim, Hyun-Jo Kwon, Hae-Ryong Park, Hong Geun Kim
  • Forward-secure commercial key escrow systems and escrowing methods thereof
    Publication number: 20030012386
    Abstract: The present invention discloses a software-based commercial key escrow system (KES) for the PKI environment that enables an entity such as the court to monitor communications of users suspected of unlawful activities while protecting the privacy of law-abiding users.
    Type: Application
    Filed: November 30, 2001
    Publication date: January 16, 2003
    Inventors: Jeeyeon Kim, Seungjoo Kim, Hyun-Jo Kwon, Hae-Ryong Park, Hongsub Lee