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公开(公告)号：US10785252B2
公开(公告)日：2020-09-22
申请号：US15985452
申请日：2018-05-21
Inventor： Jooyoung Lee , Dae-Sung Moon , Kyung-Min Park , Samuel Woo , Ho Hwang , Ik-Kyun Kim , Seung-Hun Jin
IPC: H04L29/06
Abstract: Disclosed herein is an apparatus for enhancing network security, which includes an information collection unit for collecting information about states of hosts that form a network and information about connectivity in the network; an attack surface analysis unit for analyzing attack surfaces by creating an attack graph using the information about the states and the information about connectivity; a security-enhancing strategy establishment unit for establishing a security-enhancing strategy based on the attack graph; and a security-enhancing strategy implementation unit for delivering a measure based on the security-enhancing strategy to a corresponding host, thereby taking a security-enhancing measure.
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Patent Agency Ranking
公开(公告)号：US11791990B2
公开(公告)日：2023-10-17
申请号：US17328510
申请日：2021-05-24
Inventor： Seok-Hyun Kim , Young-Seob Cho , Geon-Woo Kim , Soo-Hyung Kim , Young-Sam Kim , Jong-Hyouk Noh , Kwan-Tae Cho , Sang-Rae Cho , Jin-Man Cho , Seung-Hun Jin
CPC classification number: H04L9/0825 , H04L9/3213 , H04L9/3215 , H04L9/3247 , H04L9/50
Abstract: Disclosed herein are an apparatus and method for managing personal information. The method includes a step in which a user terminal device registers the decentralized identification information of a user in a blockchain, receives the personal information of the user, stores the same in an endpoint for managing the personal information, and registers a personal information access policy for the personal information in a first server; a step in which the apparatus receives the decentralized identifier of the user, retrieves the decentralized identification information of the user, corresponding to the decentralized identifier, from the blockchain, and requests a personal information access token for accessing the personal information from the first server using the decentralized identification information; and a step in which the apparatus identifies the endpoint from the personal information access token, which is generated based on the personal information access policy, and retrieves the personal information from the endpoint.
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公开(公告)号：US20150134969A1
公开(公告)日：2015-05-14
申请号：US14243081
申请日：2014-04-02
Inventor： Soo-Hyung KIM , Young-Seob Cho , Jong-Hyouk Noh , Sang-Rae Cho , Dae-Seon Choi , Seung-Hyun Kim , Seok-Hyun Kim , Jin-Man Cho , Seung-Hun Jin , Hyun-Sook Cho
IPC: H04L9/32
CPC classification number: H04L9/3247 , H04L9/3242
Abstract: There are provided a method and device for providing a security assistant service. In an embodiment of the invention, there is provided a device for providing a security assistant service in which a first terminal and a second terminal are included. The device includes the first terminal configured to generate information for requesting verification of an original plaintext to be signed (here, the information for requesting verification of the original plaintext to be signed refers to the original plaintext to be signed or a hash value of the original plaintext to be signed) and transmit an encrypted value in which the information for requesting verification of the original plaintext to be signed is encrypted and the original plaintext to be signed to the second terminal, and the second terminal configured to receive the original plaintext to be signed and the encrypted value, decrypt the information for requesting verification of the original plaintext to be signed by decrypting the encrypted value, display the original plaintext to be signed when the original plaintext to be signed or a hash value of the original plaintext to be signed matches the decrypted information for requesting verification of the original plaintext to be signed, receive a verification signal from a user, generate an original verification message (here, the original verification message refers to information indicating that the original plaintext to be signed is verified by the user and the information can be proved using a key held by the second terminal and verified using the key held by the first terminal) and transmit the original verification message to the first terminal.
Abstract translation: 提供了一种用于提供安全助理服务的方法和装置。 在本发明的实施例中，提供了一种用于提供其中包括第一终端和第二终端的安全助理服务的设备。 该装置包括：第一终端，其被配置为生成用于请求验证要签名的原始明文的信息（这里，用于请求验证要被签名的原始明文的信息是指要签名的原始明文或原始明文的哈希值 要签名的明文）并且发送加密值，其中用于请求验证要签名的原始明文的信息被加密，并且将要签名的原始明文被加密到第二终端，并且被配置为接收原始明文的第二终端为 签名和加密的值，解密用于请求验证要签名的原始明文的信息，通过解密加密值，在要签名的原始明文或要签署的原始明文的哈希值时显示要签名的原始明文 匹配用于请求验证原始明文的解密信息 签收，接收来自用户的验证信号，生成原始验证信息（这里，原始验证信息是指表示用户签名的原始明文被验证的信息，可以使用由 第二终端，并使用由第一终端保存的密钥进行验证），并将原始验证消息发送到第一终端。
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公开(公告)号：US10771459B2
公开(公告)日：2020-09-08
申请号：US16117795
申请日：2018-08-30
Inventor： Seok-Hyun Kim , Sang-Rae Cho , Young-Seob Cho , Se-Young Huh , Soo-Hyung Kim , Seung-Hyun Kim , Young-Sam Kim , Jong-Hyouk Noh , Jin-Man Cho , Seung-Hun Jin , Jung-Yeon Hwang
Abstract: Disclosed herein are a terminal apparatus, a server apparatus, and a method for FIDO universal authentication using a blockchain. The method includes sending, by the terminal apparatus, a FIDO service request for any one of FIDO registration, FIDO authentication, and FIDO deregistration for an application service provided by the server apparatus to the server apparatus; verifying, by the blockchain, a FIDO service response message, which is created as a result of local authentication of a user in the terminal apparatus in response to the FIDO service request; and processing, by the server apparatus, the FIDO service request based on whether the FIDO service response message is successfully verified by the blockchain.
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5.发明授权公开(公告)号：US10263969B2
公开(公告)日：2019-04-16
申请号：US15372562
申请日：2016-12-08
Inventor： Jung-Yeon Hwang , Seok-Hyun Kim , Soo-Hyung Kim , Seung-Hyun Kim , Jong-Hyouk Noh , Sang-Rae Cho , Young-Seob Cho , Jin-Man Cho , Seung-Hun Jin
Abstract: Disclosed herein are an apparatus and method for authenticated key exchange using a password and an identity-based signature, by which robustness is provided in order to prevent a server impersonation attack when a password is exposed, and by which a client may be provided with convenient authentication using an ID and a password.
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公开(公告)号：US09509516B2
公开(公告)日：2016-11-29
申请号：US14617187
申请日：2015-02-09
Inventor： Young-Seob Cho , Soo-Hyung Kim , Jong-Hyouk Noh , Sang-Rae Cho , Jin-Man Cho , Dae-Seon Choi , Seung-Hyun Kim , Seok-Hyun Kim , Seung-Hun Jin
CPC classification number: H04L9/3247 , H04L9/0861 , H04L9/3263 , H04L2209/805
Abstract: Disclosed are an apparatus and method for providing a digital signature. The apparatus includes a certificate unit, an input unit receives a selection input for a certificate related to signature content received from a signature-requesting terminal, and a control unit for determining whether the certificate unit is capable of performing a digital signature function corresponding to a selected certificate. If the certificate unit is capable of performing the digital signature function, the certificate unit creates a digital signature based on a private key corresponding to the selected certificate when the control unit commands the certificate unit to create a digital signature. Further, if the certificate unit is not capable of performing the digital signature function, the control unit creates a digital signature based on a private key corresponding to a certificate selected from the certificate unit. The control unit transmits the digital signature to the signature-requesting terminal.
Abstract translation: 公开了一种用于提供数字签名的装置和方法。 所述装置包括证书单元，输入单元接收与从签名请求终端接收到的签名内容相关的证书的选择输入，以及控制单元，用于确定证书单元是否能够执行对应于 选定证书 如果证书单元能够执行数字签名功能，则当控制单元命令证书单元创建数字签名时，证书单元将基于与所选证书相对应的专用密钥来创建数字签名。 此外，如果证书单元不能够执行数字签名功能，则控制单元基于与从证书单元中选择的证书相对应的私钥来创建数字签名。 控制单元将数字签名发送到签名请求终端。
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