Patents by Inventor Chang Nyoung Song

Chang Nyoung Song 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).

  • Publication number: 20240080182
    Abstract: The technical idea of the present invention relates to a method for forming virtual private network providing virtual private network through sealed key exchange based on post quantum cryptography and a virtual private network operating system performing same. A method for forming a virtual private network performed by a server according to an embodiment of the present invention comprises the steps of: generating a public key and a private key; transmitting the public key; receiving a key capsule corresponding to the public key; generating a verification capsule from the key capsule using the private key; generating a symmetric key by verifying the verification capsule; and performing communication through the virtual private network using the symmetric key.
    Type: Application
    Filed: December 13, 2022
    Publication date: March 7, 2024
    Inventors: Hyunchul Jung, Chang Nyoung Song
  • Publication number: 20240080183
    Abstract: The present inventive concept relates to a method for forming a Bluetooth network performing communication based on post-quantum cryptography at an application level and a Bluetooth network operating system that performs the same. A method for forming a Bluetooth network performed by a master device to perform Bluetooth communication with a slave device, according to an embodiment of the present invention, comprises the steps of: completing pairing with the slave device; receiving a certificate and an authentication message from the slave device; authenticating the slave device by using the certificate and the authentication message; generating a public key and a private key; generating a symmetric key by using the public key and the private key; and performing Bluetooth network communication by using the symmetric key.
    Type: Application
    Filed: December 13, 2022
    Publication date: March 7, 2024
    Inventors: Hyunchul Jung, Chang Nyoung Song
  • Publication number: 20240080187
    Abstract: The technical idea of the present invention relates to a method for forming a virtual private network which provides a virtual private network using a key generated based on a post quantum cryptography, and a virtual private network operating system performing the same. A method for forming a virtual private network between a client and a server according to the technical concept of the present invention comprises the steps of: generating a key by utilizing a grid-based algorithm; generating a certificate based on the key; and performing communication through the virtual private network by utilizing the certificate.
    Type: Application
    Filed: December 13, 2022
    Publication date: March 7, 2024
    Inventors: Hyunchul Jung, Chang Nyoung Song
  • Publication number: 20230385423
    Abstract: The technical idea of the present invention relates to a wall pad for performing self-security monitoring and a method of operating the same. The wall pad according to the technical concept of the present invention includes a storage configured to store system data about an internal file system, a monitoring module configured to perform security monitoring on the internal file system, and a notification module configured to transmit a result of the security monitoring, wherein the monitoring module accesses the storage to check a data size of the system data, and determines whether the internal file system is attacked based on whether the checked data size is a predetermined value.
    Type: Application
    Filed: January 26, 2023
    Publication date: November 30, 2023
    Inventors: Hyunchul Jung, Chang Nyoung Song
  • Patent number: 11791998
    Abstract: The technical idea of the present invention relates to a method for forming a virtual private network and a virtual private network operating system, which provide a virtual private network by performing signature and authentication based on a post quantum cryptography. A method for forming a virtual private network performed by a server according to the technical idea of the present invention comprises the steps of: generating a private key including a first key vector corresponding to a grid and a second key vector having a first distance from the first key vector; receiving a handshake request from a client; performing a signature by using the private key; and transmitting a certificate and an authentication message including the signature to the client.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: October 17, 2023
    Assignee: NORMA Inc.
    Inventors: Hyunchul Jung, Chang Nyoung Song
  • Patent number: 11772273
    Abstract: The technical idea of the present invention relates to a mobile robot for monitoring a network and a method for operating the same. According to the technical idea of the present invention, a method for operating a mobile robot for detecting at least one network comprises the steps of: moving to a first location; detecting a first network in the first location; determining whether the first network is an authorized network; determining the threat of the first network when the first network is not the authorized network; and transmitting information on the first network when the first network is determined as a threat as a result of the determination of the threat.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: October 3, 2023
    Assignee: NORMA Inc.
    Inventors: Hyunchul Jung, Chang Nyoung Song
  • Patent number: 11770242
    Abstract: The technical idea of the present invention relates to a method for forming a virtual private network based on post-quantum cryptography and a virtual private network operating system performing the same. The method for forming a virtual private network performing by a first device to form a virtual private network with a second device according to an embodiment of the present invention comprises the steps of: requesting a handshake for forming the virtual private network; receiving a signature and a public key; authenticating the second device by using the signature; generating a symmetric key by using the public key; and performing virtual private network communication by using the symmetric key, wherein the public key is generated by using at least one key vector corresponding to a grid.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: September 26, 2023
    Assignee: NORMA Inc.
    Inventors: Hyunchul Jung, Chang Nyoung Song
  • Patent number: 11665540
    Abstract: The present inventive idea relates to a method for forming a Bluetooth network which authenticates through an authentication code generated based on post-quantum cryptography and a Bluetooth network operating system performing the same. The method for forming a Bluetooth network performed by a master device to perform Bluetooth communication with a slave device according to an embodiment of the present disclosure may include: obtaining an address of the slave device by scanning the Bluetooth network; generating a public key and a private key; transmitting the public key to the scanned slave device; receiving a key capsule and an authentication code corresponding to the public key; generating a verification code by using the key capsule; generating a symmetric key by comparing the verification code with the authentication code; and performing communication through the Bluetooth network by using the symmetric key.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: May 30, 2023
    Assignee: NORMA Inc.
    Inventors: Hyunchul Jung, Chang Nyoung Song
  • Publication number: 20230125376
    Abstract: According to an embodiment, there is provided a method for selecting a dangerous Bluetooth device including: a detecting step of discovering, by a selecting apparatus, a Bluetooth device; a connecting step of connecting, by the selecting apparatus, to the detected Bluetooth device; and a predicting step of predicting, by the selecting apparatus, a dangerous Bluetooth device among the Bluetooth devices discovered at the detecting step, based on at least one result of a result of the detecting step and a result of the connecting step.
    Type: Application
    Filed: October 27, 2021
    Publication date: April 27, 2023
    Inventors: Hyunchul Jung, Chang Nyoung Song