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.