Patents Assigned to Secuve Co., Ltd
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Patent number: 11917074Abstract: The present disclosure provides an electronic signature authentication system and method capable of enhancing stability and reliability of an electronic signature by generating electronic signature information for authentication of an electronic document based on biometric information of a user.Type: GrantFiled: December 11, 2017Date of Patent: February 27, 2024Assignee: Secuve Co., Ltd.Inventors: Ki Yoong Hong, Jong-Bin Ko
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Patent number: 11888844Abstract: The present disclosure relates to an electrical circuit system for performing a test. The electrical circuit system includes a first circuitry that transmits a test request signal; a second circuitry that receives a response signal including a test authentication key, generates a test authentication-related value by performing a first Exclusive-OR operation on the test authentication key and a security, and sends the generated test authentication-related value to a third circuitry; and the third circuitry that generates the test authentication key in response to the request for test authentication, send the test authentication key, to the second circuitry, receives the test authentication-related value from the second circuitry, create a verification key by performing a second Exclusive-OR operation on the test authentication-related value and the security key, and generates a test result by verifying whether the verification key is identical to the test authentication key.Type: GrantFiled: April 29, 2020Date of Patent: January 30, 2024Assignee: SECUVE Co., Ltd.Inventor: Ki-Yoong Hong
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Patent number: 11874925Abstract: The present disclosure provides a data processing method for coping with ransomware, which encrypts data with a malicious intent and blocks an access to the data, to protect the data, and a program for executing the data processing method. In a computer apparatus that loads an application program stored in a memory onto a processor and carries out a predetermined processing according to the application program, on an operating system (OS) kernel which controls an access of the application program to hardware components of the computer apparatus, the processor reads the data stored in the memory, performs the predetermined processing at the request of the application program, determines whether a ransomware attack occurred for the data before storing the processed data back to the memory, and stores the processed data to the memory according to a determination result, thereby preventing the damage caused by the ransomware attack.Type: GrantFiled: September 23, 2022Date of Patent: January 16, 2024Assignee: SECUVE CO., LTD.Inventor: Ki Yoong Hong
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Patent number: 11797658Abstract: The present invention relates to a handwritten signature authentication apparatus and method. More particularly, the present invention relates to an apparatus and a method of blinding a handwritten signature for authentication in which when a user writes a handwritten signature, a handwritten signature image displayed on a display device is blinded from a third party nearby.Type: GrantFiled: April 6, 2020Date of Patent: October 24, 2023Assignee: SECUVE Co., Ltd.Inventor: Ki-Yoong Hong
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Publication number: 20230334151Abstract: The present disclosure relates to a ransomware attack detection device and method, and a recording medium having a program recorded thereon, the program for implementing the method. More particularly, the present disclosure relates to a multiprocess clustering-based ransomware attack detection device and method, and a recording medium having a program recorded thereon, the program being configured to implement the method, wherein a cluster ID for a cluster assigned to processes created at a kernel level of an operating system (OS) is created, processes branched from one parent process information read and written by the processes are clustered for each cluster ID, and a ransomware attack is detected and blocked according to whether the clustered information is changed or damaged.Type: ApplicationFiled: December 10, 2020Publication date: October 19, 2023Applicant: SECUVE CO., LTD.Inventors: Ki-Yoong HONG, Kyu-Ho LEE, Sung-Geun LEE, Jung-Soo PARK, Dong-Ho CHOI, Tae-Hoon KIM
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Publication number: 20230315859Abstract: Provided are a computer device including a separated security module, and a method for updating the security module. The computer device may include an OS kernel and a separated security module. The OS kernel is installed at a kernel level to operate, and has a security callback function. The separated security module is installed at the kernel level to operate, and is divided into a non-updatable part and an updatable part. Furthermore, the separated security module includes: the non-updatable part configured to directly interface with the OS kernel and to be connected to the security callback function; the updatable part configured to indirectly interface with the OS kernel through the non-updatable part; and an update manager configured to control update on the updatable part.Type: ApplicationFiled: December 30, 2020Publication date: October 5, 2023Applicant: SECUVE CO., LTD.Inventor: Ki-Yoong HONG
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Publication number: 20230113309Abstract: The present invention relates to a handwritten signature authentication apparatus and method. More particularly, the present invention relates to an apparatus and a method of blinding a handwritten signature for authentication in which when a user writes a handwritten signature, a handwritten signature image displayed on a display device is blinded from a third party nearby.Type: ApplicationFiled: April 6, 2020Publication date: April 13, 2023Applicant: SECUVE Co., Ltd.Inventor: Ki-Yoong HONG
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Patent number: 11562072Abstract: The present disclosure provides a data processing method for coping with ransomware, which encrypts data with a malicious intent and blocks an access to the data, to protect the data, and a program for executing the data processing method. In a computer apparatus that loads an application program stored in a memory onto a processor and carries out a predetermined processing according to the application program, on an operating system (OS) kernel which controls an access of the application program to hardware components of the computer apparatus, the processor reads the data stored in the memory, performs the predetermined processing at the request of the application program, determines whether a ransomware attack occurred for the data before storing the processed data back to the memory, and stores the processed data to the memory according to a determination result, thereby preventing the damage caused by the ransomware attack.Type: GrantFiled: January 28, 2019Date of Patent: January 24, 2023Assignee: SECUVE CO., LTD.Inventor: Ki Yoong Hong
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Publication number: 20230017807Abstract: The present disclosure provides a data processing method for coping with ransomware, which encrypts data with a malicious intent and blocks an access to the data, to protect the data, and a program for executing the data processing method. In a computer apparatus that loads an application program stored in a memory onto a processor and carries out a predetermined processing according to the application program, on an operating system (OS) kernel which controls an access of the application program to hardware components of the computer apparatus, the processor reads the data stored in the memory, performs the predetermined processing at the request of the application program, determines whether a ransomware attack occurred for the data before storing the processed data back to the memory, and stores the processed data to the memory according to a determination result, thereby preventing the damage caused by the ransomware attack.Type: ApplicationFiled: September 23, 2022Publication date: January 19, 2023Applicant: SECUVE CO., LTD.Inventor: Ki Yoong HONG
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Publication number: 20230004630Abstract: According to the present disclosure, a handwritten signature to be authenticated is received, a plurality of pieces of signature behavioral characteristic information are extracted, all of the plurality of the pieces of the extracted signature behavioral characteristic information are applied to each of first and second signature authentication algorithms using different techniques to analyze a degree of matching between the received handwritten signature and a registered handwritten signature, results of analysis performed by the first and second signature authentication algorithms are combined to adjust a false rejection rate and a false acceptance rate, and whether handwritten signature authentication succeeds is finally determined.Type: ApplicationFiled: April 7, 2020Publication date: January 5, 2023Applicant: SECUVE Co., Ltd.Inventor: Ki-Yoong HONG
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Publication number: 20220366726Abstract: Provided are an augmented handwritten signature authentication method and an electronic device supporting the same, the method including: receiving a primary touch input corresponding to a primary handwritten signature input of a user; receiving, after the primary handwritten signature input is received and a specified time period elapses, a secondary mark input of the user; obtaining primary touch position data corresponding to the primary touch input, and the secondary mark input; and performing user authentication by comparing the primary touch position data corresponding to the primary touch input and secondary touch position data related to at least part of the secondary mark input with prestored primary touch registration data and secondary touch registration data, respectively.Type: ApplicationFiled: December 30, 2020Publication date: November 17, 2022Applicant: SECUVE CO., LTD.Inventor: Ki-Yoong HONG
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Publication number: 20220245969Abstract: Provided are a method and an apparatus for user authentication based on face recognition and handwritten signature verification, by which authentication accuracy in user authentication using a handwritten signature is further increased. The method including: receiving a handwritten signature of a user; acquiring a face image of the user who inputs the handwritten signature, simultaneously with the receiving of the handwritten signature; determining whether the user is a legitimate user, on the basis of characteristics information of the face image; adjusting a reference value for verification based on characteristics information of the handwritten signature, according to a result of determination based on the characteristics information of the face image; determining whether the user is the legitimate user, on the basis of the characteristics information of the received handwritten signature and the adjusted reference value.Type: ApplicationFiled: November 21, 2019Publication date: August 4, 2022Applicant: SECUVE Co., Ltd.Inventor: Ki-Yoong HONG
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Patent number: 11205063Abstract: The present disclosure relates to a handwritten signature authentication system and method. More particularly, the present disclosure provides a system and method of authenticating a handwritten signature based on dynamic movement tracking of spatial-division segments, in which handwritten signature authentication is performed by handwritten signature characteristics information (i.e.Type: GrantFiled: February 15, 2017Date of Patent: December 21, 2021Assignees: SECUVE CO., LTD.Inventors: Ki Yoong Hong, Paul Hong
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Publication number: 20200259822Abstract: The present disclosure relates to an electrical circuit system for performing a test. The electrical circuit system includes a first circuitry that transmits a test request signal; a second circuitry that receives a response signal including a test authentication key, generates a test authentication-related value by performing a first Exclusive-OR operation on the test authentication key and a security, and sends the generated test authentication-related value to a third circuitry; and the third circuitry that generates the test authentication key in response to the request for test authentication, send the test authentication key, to the second circuitry, receives the test authentication-related value from the second circuitry, create a verification key by performing a second Exclusive-OR operation on the test authentication-related value and the security key, and generates a test result by verifying whether the verification key is identical to the test authentication key.Type: ApplicationFiled: April 29, 2020Publication date: August 13, 2020Applicant: SECUVE Co., Ltd.Inventor: Ki-Yoong HONG
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Patent number: 10635887Abstract: Provided is a handwritten signature authentication system and method in which handwritten signature authentication is performed by conducting at least one of the following comparisons: a comparison between a pre-enrolled handwritten signature image and a tracked handwritten signature image traced during the signing process, a comparison between a pre-enrolled handwritten signature behavioral characteristics and a handwritten signature behavioral characteristics collected during the signing process, and a comparison between a pre-enrolled handwritten signature image and a reconstructed handwritten signature image regenerated by the handwritten signature behavioral characteristics collected during the signing process.Type: GrantFiled: July 7, 2016Date of Patent: April 28, 2020Assignee: SECUVE CO., LTD.Inventor: Ki-Yoong Hong
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Patent number: 10572715Abstract: Provided is a segment-block-based handwritten signature authentication system and a method thereof, and more particularly, to a handwritten signature authentication system and a method thereof that enrolls a handwritten signature including handwritten signature characteristics information based on segment blocks disjointed by a user, acquires segment-block-based handwritten signature characteristics information from the handwritten signature upon request for handwritten signature authentication, and performs handwritten signature authentication by comparing the pre-enrolled handwritten signature characteristics information based on segments and the acquired handwritten signature characteristics information.Type: GrantFiled: October 5, 2016Date of Patent: February 25, 2020Assignee: SECUVE CO., LTD.Inventors: Ki-Yoong Hong, Jun-Hee Shin
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Patent number: 10515257Abstract: The present disclosure relates to a handwritten signature authentication system and method and, more particularly, to a time-division handwritten signature authentication system and method, in which handwritten signature authentication is performed by handwritten signature characteristics information based on segment blocks including segments divided by a predetermined time slice.Type: GrantFiled: December 12, 2016Date of Patent: December 24, 2019Assignee: SECUVE CO., LTD.Inventor: Ki Yoong Hong
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Patent number: 10503960Abstract: Provided is a segment-based handwritten signature authentication system and method and, more specifically, to a segment-based handwritten signature authentication system and method, in which handwritten signature authentication based on segments is performed by using handwritten signature characteristics information based on segments disjointed by a user's signing behavior.Type: GrantFiled: August 30, 2016Date of Patent: December 10, 2019Assignees: SECUVE CO., LTD.Inventors: Ki-Yoong Hong, Paul Hong
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Publication number: 20180357469Abstract: The present disclosure relates to a handwritten signature authentication system and method and, more particularly, to a time-division handwritten signature authentication system and method, in which handwritten signature authentication is performed by handwritten signature characteristics information based on segment blocks including segments divided by a predetermined time slice.Type: ApplicationFiled: December 12, 2016Publication date: December 13, 2018Applicant: SECUVE CO., LTD.Inventor: Ki Yoong HONG
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Patent number: 9426655Abstract: Provided is a system for preventing personal information leakage and, more particularly, related to a legal authentication message confirmation system and method which enables a user to identify whether an authentication message transmitted to the user's mobile communication terminal during user authentication originates from a trusted source, thereby preventing damage caused by pharming, smishing, and the like, such as personal information leakage and small sum payment fraud.Type: GrantFiled: March 20, 2014Date of Patent: August 23, 2016Assignee: SECUVE CO., LTD.Inventor: Ki-Yoong Hong