Samsung Electronics Co., Ltd.

Jongtak Lee

Inho Kim

Dongsun Lee

Jinha Hwang

Jungkyuen Lee

Kyungsoo Kwag

Kyungim Jung

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.

Growing community of inventors

Suwon-si, South Korea

Jongtak Lee