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    SYSTEM FOR PERFORMING SERVICE BY USING BIOMETRIC INFORMATION, AND CONTROL METHOD THEREFOR
    1.
    发明申请
    SYSTEM FOR PERFORMING SERVICE BY USING BIOMETRIC INFORMATION, AND CONTROL METHOD THEREFOR 有权

    公开(公告)号：US20210211292A1

    公开(公告)日：2021-07-08

    申请号：US17058572

    申请日：2019-05-13

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jinsu KIM ,  Junbum SHIN ,  Sungwook KIM

    IPC: H04L9/32 ,  H04L9/08 ,  H04L9/14

    Abstract: A system for performing a service by using biometric information is disclosed. A system according to the present disclosure comprises an electronic device, a first server and a second server, and a control method of the system comprises the steps of: allowing the electronic device to acquire first biometric information; allowing the electronic device to acquire first encrypted data, in which the first biometric information is encrypted, by using the acquired first biometric information and a first encryption key, and to transmit same to the first server, allowing the first server to acquire second encrypted data, in which the first encrypted data is encrypted, by using the first encrypted data received from the electronic device and a second encrypted key, and first user identification information corresponding to the first biometric information, and to transmit same to the second server; allowing the second server to match the second encrypted data and the first user identification information corresponding to the biometric information, which are received from the first server, and to store same; allowing the second server to acquire authentication information on the basis of the matched second encrypted data and first user identification information, and to transmit same to the first server, and allowing the first server to register the authentication information on the biometric information.

    ELECTRONIC DEVICE FOR OBFUSCATING AND DECODING DATA AND METHOD FOR CONTROLLING SAME
    2.
    发明申请
    ELECTRONIC DEVICE FOR OBFUSCATING AND DECODING DATA AND METHOD FOR CONTROLLING SAME 审中-公开

    公开(公告)号：US20200311306A1

    公开(公告)日：2020-10-01

    申请号：US16771359

    申请日：2019-01-04

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sungwook KIM ,  Hyejin SHIN ,  Soohyung KIM ,  Chunghun BAEK ,  Junbum SHIN ,  Youngeun LEE ,  Kyungsun CHO

    IPC: G06F21/62 ,  G06F21/64 ,  G06F21/60 ,  G06F21/16

    Abstract: Disclosed are an electronic device for obfuscating user data and a server for decoding the same. A method for controlling an electronic device according to the present disclosure comprises the steps of: acquiring a security parameter according to data transmitted to an external server; applying an obfuscation algorithm to the data by using the security parameter; and transmitting the data, to which the obfuscation algorithm has been applied, to the external server. Furthermore, in connection with a method for controlling a system comprising an electronic device for obfuscating data and a server for decoding the same according to the present disclosure, a method for controlling the electronic device comprises the steps of: inserting a fingerprint into data; generating multiple pieces of split data having a preset first size on the basis of the data into which the fingerprint has been inserted; applying an obfuscation algorithm to one piece of split data selected from the multiple pieces of split data by using a preset security parameter; and transmitting the split data, to which the obfuscation algorithm has been applied, to the server. In addition, a method for controlling the server comprises the steps of: receiving the multiple pieces of split data, to which the obfuscation algorithm has been applied, from the electronic device; acquiring at least one piece of candidate data on the basis of the received multiple pieces of split data, to which the obfuscation algorithm has been applied; and acquiring data comprising the fingerprint among the at least one piece of candidate data.

    METHOD AND DEVICE FOR CONTROLLING ELECTRONIC DEVICE FOR FEDERATED LEARNING
    3.
    发明申请
    METHOD AND DEVICE FOR CONTROLLING ELECTRONIC DEVICE FOR FEDERATED LEARNING 有权

    公开(公告)号：US20230076024A1

    公开(公告)日：2023-03-09

    申请号：US17986519

    申请日：2022-11-14

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Chunghun BAEK ,  Sungwook KIM ,  Soohyung KIM ,  Dongkyun NAM

    IPC: G06N20/00 ,  H04L9/30 ,  H04L9/08

    Abstract: Embodiments of the disclosure relate to an electronic device and a server for federated learning, and a method of the same. A method of refining a core artificial intelligence (AI) model built in the server includes transmitting, to each of a plurality of electronic devices performing federated learning with the core AI model, data for requesting transmission of first data used for refining the core AI model, receiving first data from at least one of the plurality of electronic devices, identifying an electronic device that has transmitted the first data from among the plurality of electronic devices, transmitting data for requesting transmission of second data to the electronic device that has transmitted the first data among the plurality of electronic devices, receiving second data from the electronic device that has transmitted the first data, and refining the core AI model by using the first data and the second data, wherein the first data includes first differential privacy protection data for protecting private data of each of the plurality of electronic devices, and the second data includes differential privacy modification data used to modify the first differential privacy protection data into second differential privacy protection data.

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