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公开(公告)号：US12124710B2
公开(公告)日：2024-10-22
申请号：US18217736
申请日：2023-07-03
发明人： Hyunsook Hong , Jisoo Kim , Yongsuk Lee , Younsung Chu , Hyungsup Kim
CPC分类号： G06F3/0622 , G06F3/0637 , G06F3/0659 , G06F3/0673 , G06F21/78 , G06F7/588
摘要： A method of writing data to a protected region in response to a request from a host includes receiving a first write request including a first host message authentication code and a first random number from the host, verifying the first write request based on a write count, the first random number, and the first host message authentication code, updating the write count based on a result of verifying the first write request, generating a first device message authentication code based on the updated write count and the first random number, and providing the host with a first response including the first device message authentication code and a result of the verifying of the first write request.
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公开(公告)号：US10705894B2
公开(公告)日：2020-07-07
申请号：US15608592
申请日：2017-05-30
发明人： Sang-Hoon Jeon , Hyungsup Kim , Wonjae Lee
摘要： A method for operating an electronic device is provided. The method includes generating, by an authentication agent, a digital fingerprint of an application, transmitting, by an authentication agent, the generated digital fingerprint to a trusted application on a trusted execution environment (TEE), verifying, by the trusted application, the digital fingerprint, and permitting, by the trusted application, the application to access a secure storage, when the trusted application succeeds in verifying the digital fingerprint.
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公开(公告)号：US20240354448A1
公开(公告)日：2024-10-24
申请号：US18390736
申请日：2023-12-20
发明人： Myeongjong Lee , Seongchan Jo , Jisoo Kim , Hyungsup Kim
CPC分类号： G06F21/78 , G06F21/602 , G06F21/64
摘要： A method of writing data in a replay protected memory block (RPMB) area of a storage device in response to a request of a host device includes receiving a write request, including a message authentication code, data, and a bitmap index, from the host device and verifying the write request based on the message authentication code and the bitmap index. The verifying the write request may include calculating a message authentication code based on data and a bitmap index received from the host device, comparing a message authentication code, calculated in the storage device, with the message authentication code of the write request, and comparing the bitmap index of the write request with bitmap indexes, stored in the storage device, to check whether a replay attack has been made.
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公开(公告)号：US11714561B2
公开(公告)日：2023-08-01
申请号：US17358367
申请日：2021-06-25
发明人： Hyunsook Hong , Jisoo Kim , Yongsuk Lee , Younsung Chu , Hyungsup Kim
CPC分类号： G06F3/0622 , G06F3/0637 , G06F3/0659 , G06F3/0673 , G06F21/78 , G06F7/588
摘要： A method of writing data to a protected region in response to a request from a host includes receiving a first write request including a first host message authentication code and a first random number from the host, verifying the first write request based on a write count, the first random number, and the first host message authentication code, updating the write count based on a result of verifying the first write request, generating a first device message authentication code based on the updated write count and the first random number, and providing the host with a first response including the first device message authentication code and a result of the verifying of the first write request.
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公开(公告)号：US20170344407A1
公开(公告)日：2017-11-30
申请号：US15608592
申请日：2017-05-30
发明人： Sang-Hoon Jeon , Hyungsup Kim , Wonjae Lee
摘要： A method for operating an electronic device is provided. The method includes generating, by an authentication agent, a digital fingerprint of an application, transmitting, by an authentication agent, the generated digital fingerprint to a trusted application on a trusted execution environment (TEE), verifying, by the trusted application, the digital fingerprint, and permitting, by the trusted application, the application to access a secure storage, when the trusted application succeeds in verifying the digital fingerprint.
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