Patents by Inventor Sang-gyoo Sim

Sang-gyoo Sim 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).

  • Patent number: 9972147
    Abstract: A smart badge of the present invention comprises a communication unit capable of performing wireless communication, an OTP (one-time password) storage unit configured to store therein OTP information for generating one-time password (OTP), a display unit configured to display information, an image storage unit configured to store therein at least two images to be displayed on the display unit, a personal information storage unit configured to store therein user's personal information, an input unit that is to be used for selecting an image to be displayed on the display unit, and a control unit configured to control the respective constitutional elements.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: May 15, 2018
    Assignee: Penta Security Systems Inc.
    Inventors: Seok Woo Lee, Duk Soo Kim, Sang Gyoo Sim, Kyung Moon Nam, Yeon Tae Kim
  • Patent number: 9853953
    Abstract: A method of transferring a rights object (RO) and an electronic device are provided. The method includes generating a secure RO by encrypting an RO including usage rights information regarding digital content and transferring the secure RO from a first device to a second device.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: December 26, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeo-Jin Kim, Yun-Sang Oh, Sang-Gyoo Sim, Kyung-im Jung, Ji-Soo Kim
  • Patent number: 9817969
    Abstract: There are provided a device for detecting a cyber attack and a method thereof. The device for detecting a cyber attack includes an event receiving unit configured to receive an event generated in at least one user terminal according to a behavior of a user who accesses a web server and uses web services provided from a web page, a model generating unit configured to generate an event model by extracting an event pattern corresponding to a behavior of the user based on the received event, and an attack detecting unit configured to detect whether access of the web server by a specific user terminal is an attack by comparing the event model with an event received from the specific user terminal. Therefore, various forms of cyber attacks are rapidly and accurately detected, and it is possible to provide a security service having high availability and reliability.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: November 14, 2017
    Assignee: PENTA SECURITY SYSTEMS INC.
    Inventors: Seok Woo Lee, Sang Gyoo Sim, Duk Soo Kim
  • Patent number: 9621546
    Abstract: Disclosed is a technology related to a method of generating an OTP and an apparatus for performing the same. The method includes receiving user secret information that is input according to execution of a process of providing an OTP; authenticating the user secret information by generating a response value based on the received user secret information and a challenge value received from a user verification apparatus, and transmitting the response value to the user verification apparatus; and generating an OTP using at least one of the user secret information, the challenge value and the response value as the user secret information is authenticated, thereby effectively dealing with loss or appropriation of a user terminal and also improving the security of an OTP.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: April 11, 2017
    Assignee: PENTA SECURITY SYSTEMS INC.
    Inventors: Seok Woo Lee, You Sik Lee, Sang Gyoo Sim, Duk Soo Kim, Gi Young Joo
  • Patent number: 9525556
    Abstract: A method for issuing a certificate signing request (CSR) certificate in a vehicle-to-anything (V2X) communication environment includes: receiving, at a first server, a certificate issuance request message including vehicle identification information transmitted from a communication module of the vehicle; determining, by a second server, whether a CSR certificate corresponding to the vehicle identification information has already been issued with reference to a database; and determining, by the second server, whether to issue the corresponding CSR certificate or whether to generate an error message, based on the determination of whether the corresponding CSR certificate has already been issued.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: December 20, 2016
    Assignees: Hyundai Motor Company, Penta Security System Inc.
    Inventors: Jong Rok Park, Cho Rong Ryu, Dae Sung Hwang, Su Lyun Sung, Dong Gyu Noh, Hahk Rel Noh, Duk Soo Kim, Sang Gyoo Sim, Eun Ho Shin, Jung Bai Kim, Byung Gwan Kim, Seok Woo Lee, You Sik Lee
  • Publication number: 20160197891
    Abstract: A method of transferring a rights object (RO) and an electronic device are provided. The method includes generating a secure RO by encrypting an RO including usage rights information regarding digital content and transferring the secure RO from a first device to a second device.
    Type: Application
    Filed: March 11, 2016
    Publication date: July 7, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeo-Jin KIM, Yun-Sang OH, Sang-Gyoo SIM, Kyung-im JUNG, Ji-Soo KIM
  • Publication number: 20160119151
    Abstract: A method for issuing a reliable certificate to a vehicle for a vehicle-to-anything (V2X) communication in a server on a network comprises receiving a certificate issue request including vehicle identification information and road-side unit (RSU) identification information from an RSU. Log information for the certificate issue request is extracted from a database. Normality or abnormality is determined according to whether a predetermined certificate issue criteria is satisfied by analyzing the certificate issue request and the log information. The certificate is issued and the certificate is transmitted to a vehicle communication module according to determination of normality, or certificate revocation information is registered according to determination of abnormality.
    Type: Application
    Filed: March 12, 2015
    Publication date: April 28, 2016
    Inventors: Jong Rok PARK, Cho Rong RYU, Dae Sung HWANG, Su Lyun SUNG, Dong Gyu NOH, Hahk Rel NOH, Duk Soo KIM, Sang Gyoo SIM, Eun Ho SHIN, Jung Bai KIM, Byung Gwan KIM, Seok Woo LEE, You Sik LEE
  • Publication number: 20160087804
    Abstract: A method for issuing a certificate signing request (CSR) certificate in a vehicle-to-anything (V2X) communication environment includes: receiving, at a first server, a certificate issuance request message including vehicle identification information transmitted from a communication module of the vehicle; determining, by a second server, whether a CSR certificate corresponding to the vehicle identification information has already been issued with reference to a database; and determining, by the second server, whether to issue the corresponding CSR certificate or whether to generate an error message, based on the determination of whether the corresponding CSR certificate has already been issued.
    Type: Application
    Filed: December 15, 2014
    Publication date: March 24, 2016
    Inventors: Jong Rok Park, Cho Rong Ryu, Dae Sung Hwang, Su Lyun Sung, Dong Gyu Noh, Hahk Rel Noh, Duk Soo Kim, Sang Gyoo Sim, Eun Ho Shin, Jung Bai Kim, Byung Gwan Kim, Seok Woo Lee, You Sik Lee
  • Patent number: 9152772
    Abstract: A device and a portable storage device which are capable of transferring a rights object (RO) and a method of transferring an RO are provided. The method includes enabling a device to transmit an installation request message to a portable storage device for installing a copy of an original RO present in the device in the portable storage device, enabling the device to install the copy of the original RO in the portable storage device, and enabling the device to receive an installation response message indicating that the copy of the original RO has been successfully installed in the portable storage device from the portable storage device.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: October 6, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Sang Oh, Sang-Gyoo Sim, Yeo-Jin Kim
  • Patent number: 9098684
    Abstract: A device and a portable storage device which are capable of transferring a rights object (RO) and a method of transferring an RO are provided. The method includes enabling a device to transmit an installation request message to a portable storage device for installing a copy of an original RO present in the device in the portable storage device, enabling the device to install the copy of the original RO in the portable storage device, and enabling the device to receive an installation response message indicating that the copy of the original RO has been successfully installed in the portable storage device from the portable storage device.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: August 4, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Sang Oh, Sang-Gyoo Sim, Yeo-Jin Kim
  • Publication number: 20150180862
    Abstract: Disclosed is a technology related to a method of generating an OTP and an apparatus for performing the same. The method includes receiving user secret information that is input according to execution of a process of providing an OTP; authenticating the user secret information by generating a response value based on the received user secret information and a challenge value received from a user verification apparatus, and transmitting the response value to the user verification apparatus; and generating an OTP using at least one of the user secret information, the challenge value and the response value as the user secret information is authenticated, thereby effectively dealing with loss or appropriation of a user terminal and also improving the security of an OTP.
    Type: Application
    Filed: December 18, 2014
    Publication date: June 25, 2015
    Inventors: Seok Woo LEE, You Sik LEE, Sang Gyoo SIM, Duk Soo KIM, Gi Young JOO
  • Publication number: 20150106283
    Abstract: Provided are an apparatus and method for providing a genuine certification service. The apparatus includes a certification information issuing unit configured to issue genuine certification information including at least one piece of certification chip identification (ID) information, product ID information, certification secret information, and certification verification information to a verification target product in response to an issuance request by a terminal operated by a producer of the verification target product, and a genuine certification executing unit configured to verify validity of the genuine certification information issued to the verification target product and execute genuine certification for the verification target product using the genuine certification information of which the validity is verified in response to a certification request by the terminal operated by the producer of the verification target product.
    Type: Application
    Filed: October 15, 2014
    Publication date: April 16, 2015
    Inventors: Seok Woo LEE, Sang Gyoo SIM, Duk Soo KIM, Gi Young JOO
  • Publication number: 20150106933
    Abstract: There are provided a device for detecting a cyber attack and a method thereof. The device for detecting a cyber attack includes an event receiving unit configured to receive an event generated in at least one user terminal according to a behavior of a user who accesses a web server and uses web services provided from a web page, a model generating unit configured to generate an event model by extracting an event pattern corresponding to a behavior of the user based on the received event, and an attack detecting unit configured to detect whether access of the web server by a specific user terminal is an attack by comparing the event model with an event received from the specific user terminal. Therefore, various forms of cyber attacks are rapidly and accurately detected, and it is possible to provide a security service having high availability and reliability.
    Type: Application
    Filed: October 15, 2014
    Publication date: April 16, 2015
    Inventors: Seok Woo LEE, Sang Gyoo SIM, Duk Soo KIM
  • Publication number: 20150106282
    Abstract: There are provided a device for determining a counterfeit and a method thereof. The device for determining a counterfeit includes a certification information receiving unit configured to receive certification identification information including at least one piece of certification chip identification information, product identification information, and certification verification information of a verification target product and state information of a device for performing genuine product certification from the device for performing genuine product certification, and a counterfeit determining unit configured to determine a counterfeit based on the received certification identification information or the state information of the device for performing genuine product certification. Therefore, genuine product certification of the verification target product is verified. As a result, it is possible to effectively protect intellectual property rights of producers and easily and accurately determine a counterfeit.
    Type: Application
    Filed: October 15, 2014
    Publication date: April 16, 2015
    Inventors: Seok Woo LEE, Sang Gyoo SIM, Duk Soo KIM
  • Publication number: 20140150113
    Abstract: A device and a portable storage device which are capable of transferring a rights object (RO) and a method of transferring an RO are provided. The method includes enabling a device to transmit an installation request message to a portable storage device for installing a copy of an original RO present in the device in the portable storage device, enabling the device to install the copy of the original RO in the portable storage device, and enabling the device to receive an installation response message indicating that the copy of the original RO has been successfully installed in the portable storage device from the portable storage device.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Sang OH, Sang-Gyoo SIM, Yeo-Jin KIM
  • Publication number: 20140150112
    Abstract: A device and a portable storage device which are capable of transferring a rights object (RO) and a method of transferring an RO are provided. The method includes enabling a device to transmit an installation request message to a portable storage device for installing a copy of an original RO present in the device in the portable storage device, enabling the device to install the copy of the original RO in the portable storage device, and enabling the device to receive an installation response message indicating that the copy of the original RO has been successfully installed in the portable storage device from the portable storage device.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Sang OH, Sang-Gyoo SIM, Yeo-Jin KIM
  • Patent number: 8677498
    Abstract: An apparatus and method are provided for securely managing security data between a host device and a secure multimedia card. A host device includes an access mode setting unit which sets an access mode for security data that is stored in a secure multimedia card, a transmitting and receiving unit which transmits an access request message that includes the set access mode, and an access information managing unit which receives, if connection between the host device and the secure multimedia card is separated, access information stored in the secure multimedia card, and compares the access information.
    Type: Grant
    Filed: May 14, 2007
    Date of Patent: March 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeo-jin Kim, Yun-sang Oh, Sang-gyoo Sim, Kyung-im Jung, Ji-soo Kim
  • Patent number: 8661430
    Abstract: A device and a portable storage device which are capable of transferring a rights object (RO) and a method of transferring an RO are provided. The method includes enabling a device to transmit an installation request message to a portable storage device for installing a copy of an original RO present in the device in the portable storage device, enabling the device to install the copy of the original RO in the portable storage device, and enabling the device to receive an installation response message indicating that the copy of the original RO has been successfully installed in the portable storage device from the portable storage device.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: February 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Sang Oh, Sang-Gyoo Sim, Yeo-Jin Kim
  • Patent number: 8340297
    Abstract: Disclosed are a method and apparatus for efficiently providing a location of a contents encryption key. A method of efficiently providing a location of a contents encryption key according to an embodiment of the present invention includes generating metadata containing information regarding a location of a contents encryption key in a rights object, and setting the generated metadata and the rights object in a portable storage device.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: December 25, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeo-jin Kim, Yun-sang Oh, Sang-gyoo Sim, Kyung-im Jung, Ji-soo Kim
  • Patent number: 8261073
    Abstract: Provided are a digital rights management (DRM) method and apparatus, and more particularly, a DRM method and apparatus which can support different DRMs and use various digital content. The DRM method includes receiving a hello message request from a host device; comparing information included in the hello message request to information stored in advance; generating an error code when the hello message request contains unsupported information; and generating a hello message response that contains the error code.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: September 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-sang Oh, Sang-gyoo Sim, Suk-bong Lee, Yeo-jin Kim, Kyung-im Jung, Ji-soo Kim