Document management — Portable Document Format — Extensions to Hash Algorithm Support in ISO 32000-2 (PDF 2.0)

This document specifies how to extend the specifications in ISO 32000-2 by adding support for the use of the Secure Hash Algorithm – 3 (SHA-3) and SHAKE256 hash algorithms. This document does not specify the following: — specific processes for converting paper or electronic documents to the PDF file format; — specific technical design, user interface implementation, or operational details of rendering; — specific physical methods of storing these documents such as media and storage conditions; — methods for validating the conformance of PDF files or PDF processors; — required computer hardware and/or operating system

Gestion de documents — Format de document portable (PDF) — Extensions pour la prise en charge de l'algorithme de hachage dans l'ISO 32000-2 (PDF 2.0)

General Information

Status
Published
Publication Date
07-Sep-2022
Current Stage
6060 - International Standard published
Due Date
05-Nov-2022
Completion Date
08-Sep-2022
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TECHNICAL ISO/TS
SPECIFICATION 32001
First edition
2022-09
Document management — Portable
Document Format — Extensions to
Hash Algorithm Support in ISO 32000-
2 (PDF 2.0)
Gestion de documents — Format de document portable (PDF) —
Extensions pour la prise en charge de l'algorithme de hachage dans
l'ISO 32000-2 (PDF 2.0)
Reference number
ISO/TS 32001:2022(E)
© ISO 2022
---------------------- Page: 1 ----------------------
ISO/TS 32001:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022

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

the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below

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
© ISO 2022 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/TS 32001:2022(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction .................................................................................................................................................................................................................................v

1 S c op e ................................................................................................................................................................................................................................. 1

2 Nor m at i ve r ef er enc e s ..................................................................................................................................................................................... 1

3 Terms and definitions .................................................................................................................................................................................... 1

4 E xtension schema details ...........................................................................................................................................................................1

5 Digital signature enhancements ........................................................................................................................................... ..............2

5.1 S upport for secure hash algorithm 3 (SHA-3) hash family ............................................................................. 2

5.1.1 G eneral ........................................................................................................................................................................................ 2

5.1.2 Addition to ISO 32000-2:2020, Table 237 — Entries in a signature field

seed value dictionary ..................................................................................................................................................... 2

5.1.3 Changes to ISO 32000-2:2020, Table 256 — Entries in a signature reference

dictionary ................................................................................................................................................................................. 2

5.1.4 Changes to ISO 32000-2:2020, Table 260 — SubFilter value algorithm

support ........................................................................................................................................................................................ 2

Bibliography ................................................................................................................................................................................................................................ 4

iii
© ISO 2022 – All rights reserved
---------------------- Page: 3 ----------------------
ISO/TS 32001:2022(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop 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 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 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 of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to

the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 171, Document management applications,

Subcommittee SC 2, Document file formats, EDMS systems and authenticity of information.

Any feedback or questions on thi
...

ISO DTS 32001:202#(X)2022
ISO TC 171 / SC 2 / WG 8
2022-07-18
Secretariat: ANSI

Document management — — Portable Document Format — — Extensions to Hash Algorithm

Support in ISO 32000--2 (PDF 2.0)
DTS stage
Warning for WDs and CDs

This document is not an ISO International Standard. It is distributed for review and comment. It is subject to

change without notice and may not be referred to as an International Standard.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of

which they are aware and to provide supporting documentation.
---------------------- Page: 1 ----------------------

© ISO Gestion de documents — Format de document portable (PDF) — Extensions pour la prise en charge

de l'algorithme de hachage dans l'ISO 32000-2 (PDF 2.0)
---------------------- Page: 2 ----------------------
ISO/TS 32001:2022(E)
© ISO 2022

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 the internet or an intranet,

without prior written permission. Permission can be requested from either ISO at the address

below 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
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
© ISO 2022 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO/TS 32001:2022(E)
iv © ISO 2022 – All rights reserved
---------------------- Page: 4 ----------------------
ISO/TS 32001:2022(E)
Contents

Foreword ......................................................................................................................................................................... iv

Introduction..................................................................................................................................................................... v

1 Scope .................................................................................................................................................................... 1

2 Normative references .................................................................................................................................... 1

3 Terms and definitions .................................................................................................................................... 1

4 Extension schema details ............................................................................................................................. 2

5 Digital signature enhancements ................................................................................................................ 2

5.1 Support for secure hash algorithm 3 (SHA-3) hash family ............................................................... 2

5.1.1 General ................................................................................................................................................................ 2

5.1.2 Addition to ISO 32000-2:2020, Table 237 – Entries in a signature field seed value

dictionary ........................................................................................................................................................... 2

5.1.3 Changes to ISO 32000-2:2020, Table 256 – Entries in a signature reference

dictionary ........................................................................................................................................................... 2

5.1.4 Changes to Table 260 – SubFilter value algorithm support ............................................................. 3

Bibliography .................................................................................................................................................................... 4

© ISO 2022 – All rights reserved v
---------------------- Page: 5 ----------------------
ISO/TS 32001:2022(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national

standards bodies (ISO member bodies). The work of preparing International Standards is normally

carried out through ISO technical committees. Each member body interested in a subject for which a

technical committee has been established has the right to be represented on that committee.

International organizations, governmental and non-governmental, in liaison with ISO, also take part in

the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all

matters of electrotechnical standardization.

The procedures used to develop 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 Directives, Part 2 (see www.iso.org/directiveswww.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 development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patentswww.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 of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www.iso.org/iso/foreword.htmlwww.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 171, Document management applications,

Subcommittee SC 2, Document file formats, EDMS systems and authenticity of information.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at
www.iso.org/members.htmlwww.iso.org/members.html.
vi © ISO 2022 – All rights reserved
--------------
...

TECHNICAL ISO/TS
SPECIFICATION 32001
First edition
2022-09
Document management — Portable
Document Format — Extensions to
Hash Algorithm Support in ISO 32000-
2 (PDF 2.0)
Gestion de documents — Format de document portable (PDF) —
Extensions pour la prise en charge de l'algorithme de hachage dans
l'ISO 32000-2 (PDF 2.0)
PROOF/ÉPREUVE
Reference number
ISO/TS 32001:2022(E)
© ISO 2022
---------------------- Page: 1 ----------------------
ISO/TS 32001:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022

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

the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below

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
PROOF/ÉPREUVE © ISO 2022 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/TS 32001:2022(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction .................................................................................................................................................................................................................................v

1 S c op e ................................................................................................................................................................................................................................. 1

2 Nor m at i ve r ef er enc e s ..................................................................................................................................................................................... 1

3 Terms and definitions .................................................................................................................................................................................... 1

4 E xtension schema details ...........................................................................................................................................................................1

5 Digital signature enhancements ........................................................................................................................................... ..............2

5.1 S upport for secure hash algorithm 3 (SHA-3) hash family ............................................................................. 2

5.1.1 G eneral ........................................................................................................................................................................................ 2

5.1.2 Addition to ISO 32000-2:2020, Table 237 – Entries in a signature field seed

value dictionary .................................................................................................................................................................. 2

5.1.3 Changes to ISO 32000-2:2020, Table 256 – Entries in a signature reference

dictionary ................................................................................................................................................................................. 2

5.1.4 Changes to Table 260 – SubFilter value algorithm support ......................................................... 2

Bibliography ................................................................................................................................................................................................................................ 4

iii
© ISO 2022 – All rights reserved PROOF/ÉPREUVE
---------------------- Page: 3 ----------------------
ISO/TS 32001:2022(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop 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 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 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 of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/

iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 171, Document management applications,

Subcommittee SC 2, Document file formats, EDMS systems and authenticity of information.

Any feedback or questions on this document should be directed to the user’s national standards body. A

...

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