Patents by Inventor Hae-il JUNG

Hae-il JUNG 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 signature service system based on hash function and method thereof
    Patent number: 9819494
    Abstract: Disclosed is a digital signature service system and method based on a hash function in which a main agent, who requires the generation of a digital signature, does not personally generate the digital signature, and wherein digital signatures may be simultaneously and stably generated for large-scale data such as multiple electronic documents and digital data using a hash function and a hash tree, which are known as a simple and secure method, to guarantee the integrity of the data in a digital signature-based structure based on a server.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: November 14, 2017
    Assignee: MARKANY INC.
    Inventors: Ho-il Ryu, Hae-il Jung, Jong-uk Choi
  • DIGITAL SIGNATURE SERVICE SYSTEM BASED ON HASH FUNCTION AND METHOD THEREOF
    Publication number: 20170070350
    Abstract: Disclosed is a digital signature service system and method based on a hash function in which a main agent, who requires the generation of a digital signature, does not personally generate the digital signature, and wherein digital signatures may be simultaneously and stably generated for large-scale data such as multiple electronic documents and digital data using a hash function and a hash tree, which are known as a simple and secure method, to guarantee the integrity of the data in a digital signature-based structure based on a server.
    Type: Application
    Filed: November 16, 2015
    Publication date: March 9, 2017
    Applicant: MARKANY INC.
    Inventors: Ho-il RYU, Hae-il JUNG, Jong-uk CHOI