INTERNATIONAL ISO/IEC STANDARD 13888-1 Fourth edition 2020-09 Information security - Non- repudiation - Part 1: General Sécurité de I'information - Non-répudiation - Partie1:Généralités Reference number IEC IS0/IEC 13888-1:2020(E) oS1 @IS0/IEC 2020 IS0/IEC 13888-1:2020(E) COPYRIGHT PROTECTED DOCUMENT @IS0/IEC2020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Email: copyright@iso.org Website:www.iso.org Published in Switzerland ii @ IS0/IEC 2020 - All rights reserved