Patent ID: 7925892

Claim:
A granting method to grant a modification device a modification right to modify an application in a data carrier, the method comprising: generation of a first key information item and of an associated second key information item for a data carrier identified by a data carrier identification information item; generation of a first master key information item and an associated second master key information item in addition to the first key information item and the associated second key information item; checking of the association of the first key information item stored in the data carrier with the second key information item from the modification device; allowing of the modification of the application in the data carrier by the modification device in response to a determination that the first key information item is associated with the second key information item; checking of the association between the first master key information item stored in the data carrier with the second master key information item from the modification device; and allowing a modification by the modification device of access rights to at least one interface of the data carrier in response to a determination that the first master key information item is associated with the second master key information item, wherein the at least one interface of the data carrier is for contactless and/or contact communication of information items.