ISO/IEC INTERNATIONAL STANDARD 14888-1 Second edition 2008-04-15 Information technology Security techniques Digital signatures with appendix - Part 1: General Technologies de I'information - Techniques de sécurite - Signatures numeriquesavecappendice Partie 1: Généralités Reference number ISO/IEC 14888-1:2008(E) IEC ISO @ISO/IEC2008 y IHS under ted without license from IHS Not for Resale ISO/IEC 14888-1:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT @ ISO/IEC2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 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 2008 - All rights reserved ed without license from IHS Not for Resale ISO/IEC 14888-1:2008(E) Contents Page Foreword. IV Introduction 1 Scope 2 Normative references . 3 Terms and definitions 4 Symbols, conventions, and legend for figures 4.1 Symbols .... 4.2 Coding convention 4.3 Legend for figures 5 General.. 6 General model. 7 Options for binding signature mechanism and hash-function. 8 Key generation. 9 Signature process.. 9.1 General. 9.2 Computing the signature 9.3 Constructing the appendix 9.4 Constructing the signed message. 10 Verificationprocess..... Annex A (informative) On hash-function identifiers ii out license from IHS Not for Resale