METHOD OF RESTORING A SECURE ELEMENT TO A FACTORY STATE

摘要

The invention is a method for restoring to a factory state a secure element which is embedded in a first device and which comprises a set of data. The method comprises the steps of: - classifying data of the set in three independent categories, - retrieving from a second device a first entity configured to provide factory value of data of the first category, - restoring all current data of the first category (C1) by factory value, - retrieving from a third device a second entity configured to provide factory value of data of the second category, - restoring factory value of data of the second category.