IEC IEC/TS62351-2 Edition 1.02008-08 TECHNICAL SPECIFICATION Power systems management and associated information exchange - Data and communications security - Part 2: Glossary of terms EC/TS62351-2:2008(E) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2008 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by IEC's member National Committee in the country of the requester. please contact the address below or your local IEC member National Committee for further information. et les microfilms, sans I'accord écrit de la CEl ou du Comité national de la CEl du pays du demandeur. Si vous avez des questions sur le copyright de la CEl ou si vous désirez obtenir des droits supplementaires sur cette publication, utilisez les coordonnees ci-apres ou contactez le Comite national de la CEl de votre pays de residence IEC Central Office 3, rue de Varembé CH-1211 Geneva 20 Switzerland Email: [email protected] Web: www.iec.ch 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. - Catalogue of IEC publications: www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria (reference number, text, technical committee,...). It also gives information on projects, withdrawn and replaced publications. • IEC Just Published: www.iec.ch/online news/iustpub Stay up to date on all new IEc publications. Just Published details twice a month all new publications released. Available on-line and also by email. - Electropedia: www.electropedia.org The world's leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French, with equivalent terms in additional languages. Also known as the International Electrotechnical Vocabulary online. - Customer Service Centre: www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contact us: Email: [email protected] Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 LEC IEC/TS62351-2 Edition 1.0 2008-08 TECHNICAL SPECIFICATION Power systems management and associated information exchange - Data and communications security Part 2: Glossary of terms INTERNATIONAL ELECTROTECHNICAL COMMISSION PRICE CODE XA ICS 33.200 ISBN 2-8318-9956-7 ? Registered trade TS 62351-2 @ IEC:2008(E) 2 CONTENTS FOREWORD .9 Scope and object. 11 2 Terms and definitions . 11 2.1 Glossary references and permissions ... 2.2 Glossary of security and related communication terms 13 2.2.1 Abstract Communication Service Interface (AcSl). 13 2.2.2 13 2.2.3 Access Authority . 2.2.4 Access Control. 13 2.2.5 Access Control List (ACL) 13 13 2.2.6 Accountability 2.2.7 Adequate Security.. 13 2.2.8 Advanced Encryption Standard (AES) 14 2.2.9 Alarm .. 14 2.2.10 14 Application Layer 2.2.11 Association. .14 2.2.12 .14 Assurance.. 2.2.13 Asymmetric Cipher.. 14 Asymmetric Cryptography .... 2.2.14 14 2.2.15 Asymmetric Key Pair.. 14 2.2.16 Attack ..... .14 2.2.17 15 2.2.18 Audit Log ...... 2.2.19 Audit Record Field .. 15 15 2.2.20 Audit Trail ... 2.2.21 Authentic Signature.. 15 2.2.22 Authentication .. 15 2.2.23 Authorization... 2.2.24 Authorization Process 15 2.2.25 Authorized User 16 2.2.26 Availability .. 16 2.2.27 Back Door.. Bandwidth . 16 2.2.28 2.2.29 Biometric 2.2.30 Block Cipher 16 2.2.31 Boundary Protection. 16 2.2.32 Buffer Overflow 16 2.2.33 Bump-in-the-Stack ... 2.2.34 Bump-in-the-Wire 17 2.2.35 Call Back 17 2.2.36 Certificate Certificate Management .17 2.2.37 2.2.38 Certificate Revocation List (CRL) . 17 2.2.39 Certification 17 2.2.40 Certification Authority (CA) TS 62351-2 @ IEC:2008(E) - 3 - 2.2.41 Chain of Custody .18 2.2.42 Challenge Handshake Authentication Protocol (CHAP) .18 2.2.43 Challenge-Response, Chal