公开(公告)号：US20240241959A1

公开(公告)日：2024-07-18

申请号：US18411563

申请日：2024-01-12

申请人： Giesecke+Devrient Mobile Security Germany GmbH

发明人： Clara GIFRE ,  David PATINO ,  Xavier GOMEZ ,  Patricia NARANJO GALLARDO

IPC分类号： G06F21/57 ,  G06F21/78

CPC分类号： G06F21/57 ,  G06F21/78

摘要： A method is provided for changing and recovering personalization data of a trusted software in a secure element and changing and restoring diversified data. The method includes the steps of providing an update agent in the secure element; storing personalization data in the installed software; performing a Full Reflash to recover or update a software or operating system comprising the steps of first securing personalization data to a memory of the update agent before, in following step, recovering or loading a software image into the secure element. The method includes as a final step personalizing the software image by the personalization data secured during the first step of the Full Reflash.