EN 13757-7:2018

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Komunikacijski sistemi za merilnike - 7. del: Prevoz in varnostne službeKommunikationssysteme für Zähler - Teil 7: Transport- und SicherheitsdiensteSystèmes de communication pour compteurs - Partie 7 : Services de transport et de sécuritéCommunication systems for meters - Part 7: Transport and security services35.100.20Podatkovni povezovalni slojData link layer35.100.10Physical layer33.200Daljinsko krmiljenje, daljinske meritve (telemetrija)Telecontrol. TelemeteringICS:Ta slovenski standard je istoveten z:EN 13757-7:2018SIST EN 13757-7:2018en,fr,de01-junij-2018SIST EN 13757-7:2018SLOVENSKI
STANDARDSIST EN 13757-3:20131DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13757-7
April
t r s z ICS
u uä t r râ
u wä s r rä s râ
u wä s r rä t r Supersedes EN
s u y w yæ uã t r s uEnglish Version
Communication systems for meters æ Part
yã Transport and security services Systèmes de communication pour compteurs æ Partie
y ã Services de transport et de sécurité
Kommunikationssysteme für Zähler æ Teil
yã Transportæ und Sicherheitsdienste This European Standard was approved by CEN on
z February
t r s zä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
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t r s z CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s u y w yæ yã t r s z ESIST EN 13757-7:2018

European foreword . 5 Introduction . 7 1 Scope . 9 2 Normative references . 9 3 Terms and definitions . 10 4 Abbreviations and symbols . 12 4.1 Abbreviations . 12 4.2 Symbols . 14 5 Layer model . 14 5.1 M-Bus Layers . 14 5.2 The CI-field principle . 15 6 Authentication and Fragmentation Sublayer (AFL) . 19 6.1 Introduction . 19 6.2 Overview of the AFL-Structure . 20 6.3 Components of the AFL. 21 6.3.1 AFL Length Field (AFL.AFLL) . 21 6.3.2 AFL Fragmentation Control Field (AFL.FCL) . 21 6.3.3 AFL Message Control Field (AFL.MCL) . 22 6.3.4 AFL Key Information-Field (AFL.KI) . 23 6.3.5 AFL Message counter field (AFL.MCR) . 23 6.3.6 AFL MAC-field (AFL.MAC) . 24 6.3.7 AFL Message Length Field (AFL.ML) . 24 7 Transport Layer (TPL) . 24 7.1 Introduction . 24 7.2 Structure of none TPL header . 25 7.3 Structure of short TPL header . 25 7.4 Structure of long TPL header . 25 7.5 CI-field dependent elements . 25 7.5.1 Identification number . 25 7.5.2 Manufacturer identification . 26 7.5.3 Version identification . 26 7.5.4 Device type identification . 26 7.5.5 Access number . 28 7.5.6 Status byte in meter messages . 30 7.5.7 Status byte in partner messages . 31 7.5.8 Configuration field . 32 7.6 Configuration field dependent structure. 33 7.6.1 General . 33 7.6.2 Configuration field extension . 34 7.6.3 Optional TPL-header fields . 34 7.6.4 Optional TPL Trailer fields . 34 7.6.5 Partial encryption . 34 SIST EN 13757-7:2018

Security Information Transfer Protocol . 69 A.1 Introduction. 69 A.2 SITP Services . 69 A.2.1 Transfer security information . 69 SIST EN 13757-7:2018

Message counter example. 87 Bibliography . 91
¯ y and
¯ }á Examples and supplementary information. This document falls under the Mandate EU M/441 “Standardisation mandate to CEN, CENELEC and ETSI in the field of measuring instruments for the development of an open architecture for utility meters involving communication protocols enabling interoperability” by providing the relevant definitions and SIST EN 13757-7:2018

EN 62056-21, Electricity metering - Data exchange for meter reading, tariff and load control - Part 21: Direct local data exchange ISO/IEC 18033-3, Information technology — Security techniques — Encryption algorithms — Part 3: Block ciphers NIST/SP 800-38A:2001-12, Recommendation for Block Cipher Modes of Operation: Methods and Techniques NIST/SP 800-38B:2005-05, Recommendation for Block Cipher Modes of Operation: CMAC Mode for Authentication NIST/SP 800-38C:2004-05, Recommendation for Block Cipher Modes of Operation: The CCM Mode for Authentication and Confidentiality NIST/SP 800-38D:2007-11, Recommendation for Block Cipher Modes of Operation: Galois/Counter Mode (GCM) and GMAC NIST/SP 800-38F:2012-12, Recommendation for Block Cipher Modes of Operation: Methods for Key Wrapping SIST EN 13757-7:2018

In previous versions of prEN 13757–3 datagram was called telegram. 3.8 ephemeral key key used to encrypt or decrypt a single message or for a limited time or a limited amount of data 3.9 fragment datagram of a fragmented message SIST EN 13757-7:2018

A message may consist of one or more datagrams. 3.15 message counter unique counter used in AFL or TPL to identify a secured message 3.16 persistent key cryptographic key which,needs to be kept a prolonged period 3.17 security mechanism mode of operation of a (symmetric) cryptographic algorithm Note 1 to entry: The Security mechanism is identified by the Security mode. 3.18 security mode mode number in configuration field identifying a set of applied security mechanisms 3.19 security service authenticity, confidentiality and data integrity Note 1 to entry: Security services are provided by security mechanisms. SIST EN 13757-7:2018

NOTE MAC is in other standards also used as an acronym for Media Access Control for data communication at the Physical Layer. MK Message Key (persistent) MLI Message Length Indicator, part of a wrapped data structure in SITP MSB Most Significant Byte MSBit Most Significant Bit NWL Network Layer OBIS Object Identification System (EN 62056–61) PID Protocol identifier field, part of wrapped data structure in SITP REQ-UD Request User Data (class 1 or 2) [EN 13757–2/EN 13757–4] RSP-UD Respond User Data [EN 13757–2/EN 13757–4] RSSI Received Signal Strength Indicator SITP Security Information Transfer Protocol SND-IR Send Installation Request [EN 13757–4] SND-NKE Send Link Reset [EN 13757–2/EN 13757–4] SND-NR Send – No Reply [EN 13757–4] SND-UD Send User Data [EN 13757–2/EN 13757–4] SND-UD2 Send User Data 2 [EN 13757–2/EN 13757–4] SND-UD3 Send User Data 3 [EN 13757–4] SIST EN 13757-7:2018

50h Application reset or select to device APL None Application Selection; according to EN 13757–3:2018, Clause 7 51h Command to device
(full M-Bus frame) APL None M-Bus (not for wireless); according to EN 13757–3:2018, Clause 6 52h Selection of device
None Management, see 8.4 53h Application reset or select to device APL Long Application Selection;
according to EN 13757–3:2018, Clause 7 54h Request of selected application to device APL None Application Selection;
according to EN 13757–3:2018, Clause 7 55h Request of selected application to device APL Long Application Selection; according to EN 13757–3:2018, Clause 7 56h to 59h Reserved
5Ah Command to device
(full M-Bus frame) APL Short M-Bus; according to EN 13757–3:2018, Clause 6 5Bh Command to device (full M-Bus frame) APL Long M-Bus;
according to EN 13757–3:2018, Clause 6 5Ch Synchronize action APL None according to EN 13757–3:2018, Clause 12 5Dh to 5Eh Reserved
5Fh Specific usageb TPL Long NOTE See Bibliographical Entry [8]. 60h Command to device APL Long DLMS/COSEM with OBIS-Identifier (according to EN 13757–1 and EN 62056–5-3)a 61h Command to device APL Short DLMS/COSEM with OBIS-Identifier (according to EN 13757–1 and EN 62056–5-3)a 62h to 63h Reserved
64h Command to device APL Long Reserved for OBIS-type value descriptorsa 65h Command to device APL Short Reserved for OBIS-type value descriptorsa 66h Response of selected application from device APL None Application Selection;
according to EN 13757–3:2018, Clause 7 67h Response of selected application from device APL Short Application Selection;
according to EN 13757–3:2018, Clause 7 68h Response of selected application from device APL Long Application Selection;
according to EN 13757–3:2018, Clause 7 SIST EN 13757-7:2018

78h Response from device
(full M-Bus frame) APL None M-Bus; according to EN 13757–3:2018, Clause 6 79h Response from device (M-Bus-Compact frame) APL None M-Bus; according to EN 13757–3:2018, Clause 6, Annex G 7Ah Response from device
(full M-Bus frame) APL Short M-Bus; according to EN 13757–3:2018, Clause 6 7Bh Response from device (M-Bus-Compact frame) APL Short M-Bus; according to EN 13757–3:2018, Annex G and EN 13757–3:2018, Clause 6 7Ch Response from device APL Long DLMS/COSEM with OBIS-Identifier (according to EN 13757–1 and EN 62056–5-3)a 7Dh Response from device APL Short DLMS/COSEM with OBIS-Identifier (according to EN 13757–1 and EN 62056–5-3) a 7Eh Response from device APL Long Reserved for OBIS-type val
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