ANSI INCITS ISO IEC 14888-1-2008 Information technology - Security techniques - Digital signatures with appendix - Part 1 General.pdf
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1、 INCITS/ISO/IEC 14888-1:20082010 (ISO/IEC 14888-1:2008, IDT) Information technology - Security techniques - Digital signatures with appendix - Part 1: General Reaffirmed as INCITS/ISO/IEC 14888-1:2008 R2015INCITS/ISO/IEC 14888-1:20082010 PDF disclaimer This PDF file may contain embedded typefaces. I
2、n accordance with Adobes 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 downloading this file, parties accept therein the responsibility of not infringing Ad
3、obes licensing policy. The ISO Central Secretariat 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 fo
4、r 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. Adopted by INCITS (InterNational Committee for Information Technolog
5、y Standards) as an American National Standard. Date of ANSI Approval: 2/22/10 Published by American National Standards Institute, 25 West 43rd Street, New York, New York 10036 Copyright 2010 by Information Technology Industry Council (ITI). All rights reserved. These materials are subject to copyrig
6、ht claims of International Standardization Organization (ISO), International Electrotechnical Commission (IEC), American National Standards Institute (ANSI), and Information Technology Industry Council (ITI). Not for resale. No part of this publication may be reproduced in any form, including an ele
7、ctronic retrieval system, without the prior written permission of ITI. All requests pertaining to this standard should be submitted to ITI, 1101 K Street NW, Suite 610, Washington DC 20005. Printed in the United States of America ii ITIC 2010 All rights reserved ISO/IEC 14888-1:2008(E) ISO/IEC 2008
8、All rights reserved iiiContents Page Foreword iv Introduction v 1 Scope 1 2 Normative references 1 3 Terms and definitions .1 4 Symbols, conventions, and legend for figures.3 4.1 Symbols 3 4.2 Coding convention 4 4.3 Legend for figures .4 5 General4 6 General model5 7 Options for binding signature m
9、echanism and hash-function.6 8 Key generation.6 9 Signature process7 9.1 General7 9.2 Computing the signature 7 9.3 Constructing the appendix .7 9.4 Constructing the signed message.7 10 Verification process 8 Annex A (informative) On hash-function identifiers 10 Bibliography 11 ISO/IEC 14888-1:2008(
10、E) iv ISO/IEC 2008 All rights reservedForeword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of
11、International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in li
12、aison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint te
13、chnical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. Attention i
14、s drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 14888-1 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcomm
15、ittee SC 27, IT Security techniques. This second edition cancels and replaces the first edition (ISO/IEC 14888-1:1998), which has been technically revised. ISO/IEC 14888 consists of the following parts, under the general title Information technology Security techniques Digital signatures with append
16、ix: Part 1: General Part 2: Integer factorization based mechanisms Part 3: Discrete logarithm based mechanisms ISO/IEC 14888-1:2008(E) ISO/IEC 2008 All rights reserved vIntroduction Digital signature mechanisms are asymmetric cryptographic techniques which can be used to provide entity authenticatio
17、n, data origin authentication, data integrity and non-repudiation services. There are two types of digital signature mechanisms: When the verification process needs the message as part of the input, the mechanism is called a “signature mechanism with appendix”. A hash-function is used in the calcula
18、tion of the appendix. When the verification process reveals all or part of the message, the mechanism is called a “signature mechanism giving message recovery”. A hash-function is also used in the generation and verification of these signatures. Signature mechanisms with appendix are specified in IS
19、O/IEC 14888. Signature mechanisms giving message recovery are specified in ISO/IEC 9796. Hash-functions are specified in ISO/IEC 10118. INTERNATIONAL STANDARD ISO/IEC 14888-1:2008(E) ISO/IEC 2008 All rights reserved 1Information technology Security techniques Digital signatures with appendix Part 1:
20、 General 1 Scope ISO/IEC 14888 specifies several digital signature mechanisms with appendix for messages of arbitrary length. This part of ISO/IEC 14888 contains general principles and requirements for digital signatures with appendix. It also contains definitions and symbols which are used in all p
21、arts of ISO/IEC 14888. Various means are available to obtain a reliable copy of the public verification key, e.g., a public key certificate. Techniques for managing keys and certificates are outside the scope of ISO/IEC 14888. For further information, see ISO/IEC 9594-8 4, ISO/IEC 11770-3 3 and ISO/
22、IEC 15945 5. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. None. 3 Terms
23、 and definitions For the purposes of this document, the following terms and definitions apply. 3.1 appendix string of bits formed by the signature and an optional text field 3.2 collision-resistant hash-function hash-function satisfying the following property: it is computationally infeasible to fin
24、d any two distinct inputs which map to the same output NOTE Computational feasibility depends on the specific security requirements and environment. ISO/IEC 10118-1 3.3 data element integer, bit string, set of integers or set of bit strings ISO/IEC 14888-1:2008(E) 2 ISO/IEC 2008 All rights reserved3
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