(19)
(11) EP 4 217 861 A1

(12)

(43) Date of publication:
02.08.2023 Bulletin 2023/31

(21) Application number: 21770040.0

(22) Date of filing: 20.09.2021
(51) International Patent Classification (IPC): 
G06F 9/46(2006.01)
G06F 21/78(2013.01)
G06F 12/02(2006.01)
G06F 21/74(2013.01)
 G06F 9/50(2006.01)
G06F 9/4401(2018.01)
G06F 21/53(2013.01)
(52) Cooperative Patent Classification (CPC):
G06F 21/78; G06F 2221/2149; G06F 2212/205; G06F 9/441; G06F 12/0284; G06F 9/52
(86) International application number:
PCT/EP2021/075778
(87) International publication number:
WO 2022/063720 (31.03.2022 Gazette 2022/13)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 25.09.2020 FR 2009751
25.09.2020 FR 2009752

(71) Applicants:
  • STMicroelectronics S.r.l.
    20864 Agrate Brianza (MB) (IT)
  • PROTON WORLD INTERNATIONAL N.V.
    1831 Diegem (BE)

(72) Inventors:
  • VAN NIEUWENHUYZE, Olivier
    1970 WEZEMBEEK-OPPEM (BE)
  • VENEROSO, Amedeo
    81100 CASERTA (IT)

(74) Representative: Cabinet Beaumont 
4, Place Robert Schuman B.P. 1529
38025 Grenoble Cedex 1
38025 Grenoble Cedex 1 (FR)

   


(54) MEMORY MANAGEMENT FOR APPLICATIONS OF A MULTIPLE OPERATING SYSTEMS EMBEDDED SECURE ELEMENT