IEC_TS_60870-5-7-2013.pdf

IEC/TS 60870-5-7 Edition 1.0 2013-07 TECHNICAL SPECIFICATION Telecontrol equipment and systems Part 5-7:Transmission protocols Security extensions to IEC 60870-5-101 and IEC 60870-5-104 protocols(applying IEC 62351)IEC/TS 60870-5-7:2013(E)colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2013 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.Useful links:IEC publications search-www.iec.ch/searchpub The advanced search enables you to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available on-line and also once a month by email.Electropedia-www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 30 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary(IEV)on-line.Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:csciec.ch.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC/TS 60870-5-7 Edition 1.0 2013-07 TECHNICAL SPECIFICATION Telecontrol equipment and systems Part 5-7:Transmission protocols Security extensions to IEC 60870-5-101 and IEC 60870-5-104 protocols(applying IEC 62351)INTERNATIONAL ELECTROTECHNICAL COMMISSION X ICS 33.200 PRICE CODE ISBN 978-2-8322-0919-6 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TS 60870-5-7 IEC:2013(E)CONTENTS FOREWORD.5 1 Scope.7 2 Normative references.7 3 Terms,definitions and abbreviations.8 3.1 Terms and definitions.8 3.2 Abbreviated terms.9 4 Selected options.9 4.1 Overview of clause.9 4.2 MAC algorithms.9 4.3 Encryption algorithms.9 4.4 Maximum error count.9 4.5 Use of aggressive mode.9 5 Operations considered critical.9 6 Addressing information.10 7 Implementation of messages.10 7.1 Overview of clause.10 7.2 Data definitions.10 7.2.1 Causes of transmission.10 7.2.2 Type identifiers.10 7.2.3 Security statistics.11 7.2.4 Variable length data.11 7.2.5 Information object address.12 7.2.6 Transmitting extended ASDUs using segmentation.12 7.3 Application Service Data Units.16 7.3.1 TYPE IDENT 81:S_CH_NA_1 Authentication challenge.16 7.3.2 TYPE IDENT 82:S_RP_NA_1 Authentication Reply.17 7.3.3 TYPE IDENT 83:S_AR_NA_1 Aggressive mode authentication request.18 7.3.4 TYPE IDENT 84:S_KR_NA_1 Session key status request.19 7.3.5 TYPE IDENT 85:S_KS_NA_1 Session key status.20 7.3.6 TYPE IDENT 86:S_KC_NA_1 Session key change.21 7.3.7 TYPE IDENT 87:S_ER_NA_1 Authentication error.22 7.3.8 TYPE IDENT 88:S_UC_NA_1 User certificate.23 7.3.9 TYPE IDENT 90:S_US_NA_1 User status change.24 7.3.10 TYPE IDENT 91:S_UQ_NA_1 Update key change request.25 7.3.11 TYPE IDENT 92:S_UR_NA_1 Update key change reply.26 7.3.12 TYPE IDENT 93:S_UK_NA_1 Update key change symmetric.27 7.3.13 TYPE IDENT 94:S_UA_NA_1 Update key change asymmetric.28 7.3.14 TYPE IDENT 95:S_UC_NA_1 Update key change confirmation.29 7.3.15 TYPE IDENT 41:S_IT_TC_1 Integrated totals containing time-tagg