BS ISO IEC 18370-1-2016 Information technology Security techniques Blind digital signatures General《信息技术 安全技术 盲数字签名 总则》.pdf
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1、BS ISO/IEC 18370-1:2016 Information technology Security techniques Blind digital signatures Part 1: General BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS ISO/IEC 18370-1:2016 BRITISH STANDARD National foreword This British Standard is the UK implementation of I
2、SO/IEC 18370-1:2016. The UK participation in its preparation was entrusted to Technical Committee IST/33/2, Cryptography and Security Mechanisms. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the ne
3、cessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016. Published by BSI Standards Limited 2016 ISBN 978 0 580 80103 7 ICS 35.040 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standa
4、rd was published under the authority of the Standards Policy and Strategy Committee on 30 November 2016. Amendments/Corrigenda issued since publication Date Text affectedBS ISO/IEC 18370-1:2016 Information technology Security techniques Blind digital signatures Part 1: General Technologie de linform
5、ation Techniques de scurit Signatures numriques en blanc Partie 1: Gnralits INTERNATIONAL STANDARD ISO/IEC 18370-1 Reference number ISO/IEC 18370-1:2016(E) First edition 2016-11-15 ISO/IEC 2016 BS ISO/IEC 18370-1:2016ii ISO/IEC 2016 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2016, Publ
6、ished in Switzerland 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. Permis
7、sion can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO/IEC 18370-1:2016(E)BS ISO/I
8、EC 18370-1:2016ISO/IEC 18370-1:2016(E)Foreword iv Introduction v 1 Scope . 1 2 Normative references 1 3 T erms and definitions . 1 4 A bbr e viat ed t erms and figur e elements 7 5 Blind signatures 8 5.1 General . 8 5.2 Entities . 8 5.3 Key generation 8 5.4 Blind signature process . 8 5.5 Verificati
9、on process 9 6 Blind signatures with partial disclosure 10 6.1 General 10 6.2 Entities 10 6.3 Key generation .10 6.4 Blind signature process with partial disclosure10 6.5 Verification process .11 7 Blind signatures with selective disclosure .12 7.1 General 12 7.2 Entities 13 7.3 Key generation .13 7
10、.4 Blind signature process with selective disclosure 13 7.5 Presentation process 14 7.6 Verification process .15 8 Traceable blind signatures .16 8.1 General 16 8.2 Entities 17 8.3 Key generation .17 8.4 Traceable blind signature process 17 8.5 Verification process .18 8.6 Requestor tracing process
11、19 8.7 Requestor tracing evidence evaluation process 20 8.8 Signature tracing process .21 8.9 Signature tracing evidence evaluation process22 Annex A (informative) Comparison table of blind digital signature mechanisms .23 Annex B (informative) Additional security information for blind signatures wi
12、th selective disclosure .24 Bibliography .27 ISO/IEC 2016 All rights reserved iii Contents PageBS ISO/IEC 18370-1:2016ISO/IEC 18370-1:2016(E) Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worl
13、dwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate i
14、n fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison 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. The procedures used to develop
15、this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC
16、 Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the
17、development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement. For an explanation on the meaning o
18、f ISO specific terms and expressions related to conformit y assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html. The committee responsible for this docum
19、ent is ISO/IEC JTC 1, Information technology, SC 27, IT Security techniques. A list of all parts in the ISO/IEC 18370 series can be found on the ISO website.iv ISO/IEC 2016 All rights reservedBS ISO/IEC 18370-1:2016ISO/IEC 18370-1:2016(E) Introduction Digital signature mechanisms can be used to prov
20、ide services such as entity authentication, data origin authentication, non-repudiation, and data integrity. Blind signature mechanisms are a special type of digital signature mechanisms, as specified in ISO/IEC 9796 (all parts) and ISO/IEC 14888 (all parts), which allow a user (a requestor) to obta
21、in a signature from a signer of the users choice, without giving the signer any information about the actual message or the resulting signature. There are several variants of blind signature mechanisms. In some variants, the signer does not completely lose control over the signed message. In a blind
22、 signature mechanism with partial disclosure, the signer can include explicit information in the resulting signature based on an agreement with the requestor, whereas in a blind signature mechanism with selective disclosure, the choice of the message is restricted and conforms to certain rules. In o
23、ther mechanisms, such as traceable blind signature mechanisms, an authorized entity is allowed to trace a signature to the requestor who requested it. As is the case for conventional digital signature mechanisms, blind signature mechanisms are based on asymmetric cryptographic techniques and involve
24、 three basic operations: a process for generating a private signature key and a public verification key; a process for creating a blind signature that uses the private signature key; a process for verifying a blind signature that uses the public verification key. Blind signatures and their variants
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