CEN/TS 16702-2:2020

Electronic fee collection - Secure monitoring for autonomous toll systems - Part 2: Trusted recorder CEN/TS 16702-2:2020

Publication date:   May 18, 2020

General information

90.60 Close of review   Sep 2, 2023


CEN/TC 278 Intelligent transport systems

Technical Specification

03.220.20   Road transport | 35.240.60   IT applications in transport



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This document defines the requirements for the secure application module (SAM) used in the secure monitoring compliance checking concept. It specifies two different configurations of a SAM:
- trusted recorder, for use inside an OBE;
- verification SAM, for use in other EFC system entities.
This document describes
- terms and definitions used to describe the two Secure Application Module configurations;
- operation of the two Secure Application Modules in the secure monitoring compliance checking concept;
- functional requirements for the two Secure Application Modules configurations, including a classification of different security levels;
- the interface, by means of transactions, messages and data elements, between an OBE or front end and the trusted recorder;
- requirements on basic security primitives and key management procedures to support Secure Monitoring using a trusted recorder.
This document is consistent with the EFC architecture as defined in EN ISO 17573-1 and the derived suite of standards and Technical Specifications, especially CEN/TS 16702-1 and CEN ISO/TS 19299.
The following is outside the scope of this document:
- The life cycle of a Secure Application Module and the way in which this is managed;
- The interface commands needed to get a Secure Application Module in an operational state;
- The interface definition of the verification SAM;
- Definition of a hardware platform for the implementation of a Secure Application Module.

Life cycle


CEN/TS 16702-2:2015


CEN/TS 16702-2:2020
90.60 Close of review
Sep 2, 2023