Da je mogoče preveriti avtentičnost in celovitost prenesenih podatkov, shranjenih v ESM, se podatke prenaša s pripetim podpisom, v skladu z določbami dodatka 11, Skupni varnostni mehanizmi.
To give the possibility to verify the authenticity and integrity of downloaded data stored on an ESM, data is downloaded with a signature appended in accordance with Appendix 11 Common Security Mechanisms.