INTERNATIONAL ISO/IEC STANDARD 20009-3 First edition 2022-02 Information security Anonymous entity authentication - Part 3: Mechanisms based on blind signatures Sécurité de I'information - Authentification d'entite anonyme - Partie 3: Mécanismes fondés sur des signatures aveugles Reference number IEC IS0/IEC 20009-3:2022(E) OS1 @ IS0/IEC 2022 IS0/IEC 20009-3:2022(E) COPYRIGHT PROTECTED DOCUMENT @IS0/IEC2022 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 or ISo's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: copyright@iso.org Website: www.iso.org Published in Switzerland i @ IS0/IEC 2022 - All rights reserved