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公开(公告)号：US11233661B2
公开(公告)日：2022-01-25
申请号：US16800188
申请日：2020-02-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jinha Hwang , Kyungsoo Kwag , Inho Kim , Dongsun Lee , Jungkyuen Lee , Jongtak Lee , Kyungim Jung
Abstract: A device and a method for authenticating an application in an execution environment in a trust zone are provided. The method includes executing a client application (CA) in a normal world, receiving, in the normal world, a request for receiving a service of a trusted application (TA) of a secure world from the CA, acquiring, when the request is received in the normal world, source information of the CA loaded in a memory of the device, acquiring, in the normal world, first hash information from the source information, providing, to the secure world, the first hash information together with signature information and a sub certificate included in the CA, and authenticating the CA based on the sub certificate and a root certificate of the TA in the secure world.
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Patent Agency Ranking
2.发明申请公开(公告)号：US20200274718A1
公开(公告)日：2020-08-27
申请号：US16800188
申请日：2020-02-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jinha Hwang , Kyungsoo Kwag , Inho Kim , Dongsun Lee , Jungkyuen Lee , Jongtak Lee , Kyungim Jung
Abstract: A device and a method for authenticating an application in an execution environment in a trust zone are provided. The method includes executing a client application (CA) in a normal world, receiving, in the normal world, a request for receiving a service of a trusted application (TA) of a secure world from the CA, acquiring, when the request is received in the normal world, source information of the CA loaded in a memory of the device, acquiring, in the normal world, first hash information from the source information, providing, to the secure world, the first hash information together with signature information and a sub certificate included in the CA, and authenticating the CA based on the sub certificate and a root certificate of the TA in the secure world.
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公开(公告)号：US11588641B2
公开(公告)日：2023-02-21
申请号：US17249459
申请日：2021-03-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dongsun Lee , Changhan Kim
Abstract: An electronic apparatus includes a communication interface, a memory; and a processor. The memory is configured to store a hypervisor. The processor is configured to obtain an authentication key for performing authentication of an external device. The processor is also configured to encrypt the authentication key based on a key pre-stored in the memory using the hypervisor and store the encrypted authentication key in the memory. Based on a request for information that is stored in the memory being received from the external device, the processor is configured to perform authentication of the external device using the hypervisor. Based on the authentication of the external device being completed, the processor is configured to control the communication interface to transmit the stored information to the external device.
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公开(公告)号：US11615764B2
公开(公告)日：2023-03-28
申请号：US17161097
申请日：2021-01-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jongah Kim , Taejin Park , Kyusung Kim , Jeongho Cho , Chihyun Cho , Dongheon Shin , Heewoong Yoon , Kihyuk Lee , Dongsun Lee , Donghan Lee , Gwangho Choi
Abstract: Disclosed is an electronic device including a processor configured to set a wake-up luminance of a display, based on a wake-up illuminance, to set, upon detecting an illuminance change through the illuminance sensor, a first target luminance of the display by using a first threshold illuminance value at a time point of detecting the illuminance change, to identify whether a flag setting related to an update of a threshold illuminance value is changed, while changing a luminance of the display based on the first target luminance, to determine the first target luminance as a final luminance of the display when there is no change in the flag setting, to update the first threshold illuminance value to a second threshold illuminance value when there is a change in the flag setting, and to change a target luminance of the display from the first target luminance to a second target luminance by using the second threshold illuminance value.
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公开(公告)号：US11308238B2
公开(公告)日：2022-04-19
申请号：US16601983
申请日：2019-10-15
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dongsun Lee , Donguk Kim
Abstract: A server is provided. The server according to an embodiment includes a memory, a communicator, and a processor configured to transmit an application check module for identifying integrity of an application stored in an electronic apparatus to the electronic apparatus through the communicator, and, based on identification information corresponding to the application being received from the electronic apparatus, identify integrity of the application based on the received identification information, wherein the processor is further configured to identify integrity of the application based on whether the received identification information is signed by a signature key included in the application check module, and whether the received identification information matches identification information that is pre-stored in the memory.
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公开(公告)号：US20210248978A1
公开(公告)日：2021-08-12
申请号：US17161097
申请日：2021-01-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jongah KIM , Taejin Park , Kyusung Kim , Jeongho Cho , Chihyun Cho , Dongheon Shin , Heewoong Yoon , Kihyuk Lee , Dongsun Lee , Donghan Lee , Gwangho Choi
Abstract: Disclosed is an electronic device including a processor configured to set a wake-up luminance of a display, based on a wake-up illuminance, to set, upon detecting an illuminance change through the illuminance sensor, a first target luminance of the display by using a first threshold illuminance value at a time point of detecting the illuminance change, to identify whether a flag setting related to an update of a threshold illuminance value is changed, while changing a luminance of the display based on the first target luminance, to determine the first target luminance as a final luminance of the display when there is no change in the flag setting, to update the first threshold illuminance value to a second threshold illuminance value when there is a change in the flag setting, and to change a target luminance of the display from the first target luminance to a second target luminance by using the second threshold illuminance value.
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