公开(公告)号：US12190490B2

公开(公告)日：2025-01-07

申请号：US17704374

申请日：2022-03-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Moongyu Jung ,  Wooyong Lee ,  Jinha Hwang

IPC: G06T7/00 ,  G06T3/40 ,  G06V10/74

Abstract: An electronic device includes at least one memory, a camera, and at least one processor, wherein the at least one processor is configured to: obtain raw image for an external object from the camera in a secure environment and store the obtained raw image in the at least one memory, to obtain first image from the raw image through first image processing and second image processing on the stored raw image in the secure environment, based on obtaining of a verification request from a normal environment: to obtain, in the secure environment, second image obtained from the raw image through the second image processing for the stored raw image in the normal environment, to obtain third image from the second image through the first image processing for the obtained second image in the secure environment, and to identify integrity of the second image based on the obtained first image and the obtained third image.

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

IPC: H04L9/32 ,  H04L9/08 ,  H04L9/06

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.

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

IPC: H04L9/32 ,  H04L9/06 ,  H04L9/08

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.