DEVICE AND METHOD FOR AUTHENTICATING APPLICATION IN EXECUTION ENVIRONMENT IN TRUST ZONE

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 wor...

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Bibliographische Detailangaben
Hauptverfasser: LEE, Dongsun, JUNG, Kyungim, HWANG, Jinha, KWAG, Kyungsoo, LEE, Jungkyuen, LEE, Jongtak, KIM, Inho
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung: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.