Nokia Corporation

Nokia Technologies Oy

Aarne Rantala

Jan-Erik Gustav Ekberg

Nadarajah Asokan

Markku Kylänpää

Disclosed is a method in a provisioning apparatus. The method comprises obtaining a family key, a family key defining a family; submitting the family key to a security element in a secure manner (-); using the family key for securing credential data; submitting said secured credential data to the security element (-); using the family key for binding an application to the family; and submitting said binding to the security element (-). Also a method in a related security element and related apparatuses, systems and computer programs are disclosed.

Credential provisioning

The invention relates to a method for secure piecemeal execution of a program code. In the method, the program code is split to a number of pieces in a first electronic device. The pieces are provided one after another to a second electronic device, which computes a message authentication code from the pieces and returns the authenticated pieces back to the first electronic device. In order to execute the program, the authenticated pieces are provided for execution to the second electronic device, which verifies the message authentication codes in the pieces to allow the execution of the pieces in the second electronic device.

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Espoo, Finland

Aarne Rantala