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.