INTERNATIONAL ISO/IEC STANDARD 23001-9 Second edition 2016-08-01 Information technology - MPEG systems technologies - Part 9: Common encryption of MPEG-2 transport streams Technologies de I'information - Technologies des systemes MPEG Partie 9: Cryptage commun des flux de transport de contenu MPEG-2 Reference number IS0/IEC 23001-9:2016(E) EC @ IS0/IEC 2016 IS0/IEC 23001-9:2016(E) COPYRIGHT PROTECTED DOCUMENT @ IS0/IEC 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org @ IS0/IEC 2016 - All rights reserved IS0/IEC 23001-9:2016(E) Contents Page Foreword iv 1 Scope. 2 Normative references 3 Terms and definitions 1 Abbreviated terms 2 5 Overview 2 5.1 General. 5.2 Theory of operation 5.3 Notation 6 Encryption parameter signalling 4 6.1 CETS ECM 6.1.1 General 6.1.2 Syntax. Semantics 6.1.3 6.2 CETS PSSH 6.2.1 General 6.2.2 Syntax 6.2.3 Semantics 6.3 CA_descriptor 6.3.1 General 6.3.2 Syntax 6.3.3 Semantics 6.4 CETS byte range descriptor 9 6.4.1 General 6 6.4.2 10 Syntax 6.4.3 Semantics 10 7 Operation 11 7.1 Restrictions on encryption 11 7.1.1 General. 11 7.1.2 Rec. ITU-T H.264 I IS0/IEC 14496-10 and Rec. ITU-T H.265 I IS0/IEC 23008-2.11 7.1.3 IS0/IEC 13818-7 and IS0/IEC 14496-3. 11 7.2 Multiple protected elementary streams. 11 Bibliography 12 EGa206.- All rights reserved iii