INTERNATIONAL ISO/IEC STANDARD 29192-4 First edition 2013-06-01 Information technology Security techniques - Lightweight cryptography Part 4: Mechanisms using asymmetric techniques Téchnologies de I'information - Techniques de sécurité - Cryptographiepourenvironnements contraints Partie 4: Mecanismes basés sur les techniques asymétriques Reference number ISO/IEC 29192-4:2013(E) IEC Tso @ISO/IEC 2013 HS unde Not for Resale ISO/IEC29192-4:2013(E) COPYRIGHTPROTECTEDDOCUMENT ISO/IEC2013 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. ISO copyright office Case postale 56. CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO/IEC 2013 - All rights reserved y IHS unde Not for Resale ISO/IEC29192-4:2013(E) Contents Page Foreword .iv Introduction. V 1 Scope 2 Normative references.. 3 Terms and definitions 4 Symbolsandabbreviatedterms..... 4 5 Unilateral authentication mechanism based on discrete logarithms on elliptic curves.. 5.1 General ..... 5.2 Security requirements for the environment.. 5.3 5.4 Unilateralauthenticationmechanism. 6 Unilateral authenticated key exchange mechanism based on encryption. .9 6.1 General .... 9 6.2 Security requirements for the environment.. 6.3 6.4 Unilateral authentication exchange.. 6.5 Session-key derivation ... 12 7 Identity-based signature mechanism. 7.1 12 7.2 Security requirements for the environment.... 12 7.3 Key production ... 7.4 Sign.... 7.5 Verify.... 13 Annex A (normative) Object identifiers. 14 Annex B (normative) Memory-Computation Trade-Off Technique..... Annex C (informative) Numerical examples... 16 C.1 cryptoGPS mechanism... 16 C.1.1 Key production ... 16 C.1.2 Authentication exchange.... 16 C.2 ALIKE mechanism.. C.2.1 Key production ... 18 C.2.2 Authentication exchange... 18 C.2.3 Session-key derivation .... C.3 Identity-based signature mechanism. 19 C.3.1 Key production ... 19 C.3.2 Sign.... 20 C.3.3 Verify... Annex D (informative) Features. 22 Bibliography.... CopyrightInenationalOganzastanardization Allrightsreserved ili inse from IHS Not for Resale