Electronic Signatures and Infrastructures (ESI) - XAdES digital signatures - Part 2: Extended XAdES signatures

The present document specifies XAdES digital signatures. XAdES signatures are built on XML digital signatures [i.4],
by incorporation of signed and unsigned qualifying properties, which fulfil certain common requirements (such as the
long term validity of digital signatures, for instance) in a number of use cases.
The present document specifies a number of XAdES signature levels, addressing incremental requirements to maintain
the validity of the signatures over the long term, in a way that a certain level always addresses all the requirements
addressed at levels that are below it. These XAdES extended signatures offer a higher degree of optionality than the
XAdES baseline signatures specified ETSI EN 319 132-1 [1].
Procedures for creation, augmentation, and validation of XAdES digital signatures are out of scope and specified in
ETSI EN 319 102-1 [i.7]. Guidance on creation, augmentation and validation of XAdES digital signatures is provided
including the usage of the different properties is provided in ETSI TR 119 100 [i.6].
The present document aims at supporting electronic signatures in different regulatory frameworks.
NOTE: Specifically but not exclusively, XAdES digital signatures specified in the present document aim at
supporting electronic signatures, advanced electronic signatures, qualified electronic signatures,
electronic seals, advanced electronic seals, and qualified electronic seals as per Regulation (EU)
No 910/2014 [i.1].

Elektronski podpisi in infrastruktura (ESI) - Digitalni podpisi XAdES - 2. del: Razširjeni podpisi XAdES

Ta dokument določa digitalne podpise XAdES. Podpisi XAdES temeljijo na digitalnih podpisih XML [i.4] z vključitvijo podpisanih in nepodpisanih kvalificiranih lastnosti, ki izpolnjujejo določene splošne zahteve (kot je na primer dolgoročna veljavnost digitalnih podpisov) v številnih primerih uporabe.
V tem dokumentu je določenih več ravni podpisov XAdES, ki obravnavajo naraščajoče zahteve po dolgoročnem ohranjanju veljavnosti podpisov, pri čemer določena raven vedno obravnava vse zahteve, obravnavane na njenih podravneh. Ti razširjeni podpisi XAdES nudijo večjo možnost izbire kot izhodiščni podpisi XAdES iz standarda ETSI EN 319 132-1 [1].
Postopki izdelave, razširitve in potrjevanja digitalnih podpisov XAdES v tem dokumentu niso zajeti ter so določeni v standardu ETSI EN 319 102-1 [i.7]. Smernice glede izdelave, razširitve in potrjevanja digitalnih podpisov XAdES, vključno z uporabo različnih lastnosti, so podane v standardu ETSI TR 119 100 [i.6]. Namen tega dokumenta je zagotavljanje podpore za elektronske podpise v različnih regulativnih okvirjih.
OPOMBA: Namen digitalnih podpisov XAdES, določenih v tem dokumentu, je zlasti (vendar ne izključno) zagotavljanje podpore za elektronske podpise, napredne elektronske podpise, kvalificirane elektronske podpise, elektronske žige, napredne elektronske žige in kvalificirane elektronske žige skladno z Uredbo (EU) št. 910/2014 [i.1].

General Information

Status
Published
Publication Date
17-May-2016
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
16-May-2016
Due Date
21-Jul-2016
Completion Date
18-May-2016
Mandate

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Elektronski podpisi in infrastruktura (ESI) - Digitalni podpisi XAdES - 2. del: Razširjeni podpisi XAdESElectronic Signatures and Infrastructures (ESI) - XAdES digital signatures - Part 2: Extended XAdES signatures35.040.01Kodiranje informacij na splošnoInformation coding in generalICS:Ta slovenski standard je istoveten z:ETSI EN 319 132-2 V1.1.1 (2016-04)SIST EN 319 132-2 V1.1.1:2016en01-julij-2016SIST EN 319 132-2 V1.1.1:2016SLOVENSKI

STANDARD
SIST EN 319 132-2 V1.1.1:2016

ETSI EN 319 132-2 V1.1.1 (2016-04) Electronic Signatures and Infrastructures (ESI); XAdES digital signatures; Part 2: Extended XAdES signatures

EUROPEAN STANDARD SIST EN 319 132-2 V1.1.1:2016
ETSI ETSI EN 319 132-2 V1.1.1 (2016-04) 2

Reference DEN/ESI-0019132-2 Keywords electronic signature, security, XAdES, XML ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: +33 4 92 94 42 00
Fax: +33 4 93 65 47 16

Siret N° 348 623 562 00017 - NAF 742 C Association à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N° 7803/88

Important notice The present document can be downloaded from: http://www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: https://portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media.

© European Telecommunications Standards Institute 2016. All rights reserved.

DECTTM, PLUGTESTSTM, UMTSTM and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association. SIST EN 319 132-2 V1.1.1:2016

ETSI ETSI EN 319 132-2 V1.1.1 (2016-04) 3 Contents Intellectual Property Rights ................................................................................................................................ 4 Foreword ............................................................................................................................................................. 4 Modal verbs terminology .................................................................................................................................... 4 Introduction ........................................................................................................................................................ 4 1 Scope ........................................................................................................................................................ 6 2 References ................................................................................................................................................ 6 2.1 Normative references ......................................................................................................................................... 6 2.2 Informative references ........................................................................................................................................ 6 3 Definitions, abbreviations and terminology ............................................................................................. 7 3.1 Definitions .......................................................................................................................................................... 7 3.2 Abbreviations ..................................................................................................................................................... 7 3.3 Terminology ....................................................................................................................................................... 7 4 Additional XAdES levels without references to validation data .............................................................. 8 4.1 Overview ............................................................................................................................................................ 8 4.2 General requirements ......................................................................................................................................... 8 4.3 XAdES-E-BES, XAdES-E-EPES, XAdES-E-T signatures, and XAdES-E-A signatures built on XAdES-E-T signatures ....................................................................................................................................... 9 5 Legacy signatures ................................................................................................................................... 13 Annex A (normative): XAdES signature levels with references to validation data ....................... 14 A.1 XAdES-E-C, XAdES-E-X, XAdES-E-X-Long and XAdES-E-X-L signatures .................................... 14 A.2 XAdES-E-A signatures built on XAdES-E-C, XAdES-E-X, XAdES-E-X-Long and XAdES-E-X-L signatures ............................................................................................................................................ 18 History .............................................................................................................................................................. 20

SIST EN 319 132-2 V1.1.1:2016

ETSI ETSI EN 319 132-2 V1.1.1 (2016-04) 4 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https://ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This European Standard (EN) has been produced by ETSI Technical Committee Electronic Signatures and Infrastructures (ESI). The present document is part 2 of a multi-part deliverable covering XAdES digital signatures. Full details of the entire series can be found in part 1 [1].

National transposition dates Date of adoption of this EN: 1 April 2016 Date of latest announcement of this EN (doa): 31 July 2016 Date of latest publication of new National Standard or endorsement of this EN (dop/e):

31 January 2017 Date of withdrawal of any conflicting National Standard (dow): 31 January 2017

Modal verbs terminology In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and "cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). "must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation. Introduction Electronic commerce has emerged as a frequent way of doing business between companies across local, wide area and global networks. Trust in this way of doing business is essential for the success and continued development of electronic commerce. It is therefore important that companies using this electronic means of doing business have suitable security controls and mechanisms in place to protect their transactions and to ensure trust and confidence with their business partners. In this respect digital signatures are an important security component that can be used to protect information and provide trust in electronic business. The present document is intended to cover digital signatures supported by PKI and public key certificates, and aims to meet the general requirements of the international community to provide trust and confidence in electronic transactions, including, amongst other, applicable requirements from Regulation (EU) No 910/2014 [i.1]. SIST EN 319 132-2 V1.1.1:2016

ETSI ETSI EN 319 132-2 V1.1.1 (2016-04) 5 The present document can be used for any transaction between an individual and a company, between two companies, between an individual and a governmental body, etc. The present document is independent of any environment. It can be applied to any environment e.g. smart cards, GSM SIM cards, special programs for electronic signatures, etc. The present document is part of a rationalized framework of standards (see ETSI TR 119 000 [i.5]). See ETSI TR 119 100 [i.6] for getting guidance on how to use the present document within the aforementioned framework.

SIST EN 319 132-2 V1.1.1:2016

ETSI ETSI EN 319 132-2 V1.1.1 (2016-04) 6 1 Scope The present document specifies XAdES digital signatures. XAdES signatures are built on XML digital signatures [i.4], by incorporation of signed and unsigned qualifying properties, which fulfil certain common requirements (such as the long term validity of digital signatures, for instance) in a number of use cases. The present document specifies a number of XAdES signature levels, addressing incremental requirements to maintain the validity of the signatures over the long term, in a way that a certain level always addresses all the requirements addressed at levels that are below it. These XAdES extended signatures offer a higher degree of optionality than the XAdES baseline signatures specified ETSI EN 319 132-1 [1]. Procedures for creation, augmentation, and validation of XAdES digital signatures are out of scope and specified in ETSI EN 319 102-1 [i.7]. Guidance on creation, augmentation and validation of XAdES digital signatures is provided including the usage of the different properties is provided in ETSI TR 119 100 [i.6]. The present document aims at supporting electronic signatures in different regulatory frameworks. NOTE: Specifically but not exclusively, XAdES digital signatures specified in the present document aim at supporting electronic signatures, advanced electronic signatures, qualified electronic signatures, electronic seals, advanced electronic seals, and qualified electronic seals as per Regulation (EU) No 910/2014 [i.1]. 2 References 2.1 Normative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which are not found to be publicly available in the expected location might be found at http://docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term validity. The following referenced documents are necessary for the application of the present document. [1] ETSI EN 319 132-1: "Electronic Signatures and Infrastructures (ESI); XAdES digital signatures; Part 1: Building blocks and XAdES baseline signatures". 2.2 Informative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term validity. The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. [i.1] Regulation (EU) No 910/2014 of the European Parliament and of the Council on electronic identification and trust services for electronic transactions in the internal market and repealing Directive 1999/93/EC. OJ L 257, 28.08.2014, p. 73-114. [i.2] ETSI TR 119 001: "Electronic Signatures and Infrastructures (ESI); The framework for standardization of signatures; Definitions and abbreviations". [i.3] ETSI TS 101 903: "Electronic Signatures and Infrastructures (ESI); XML Advanced Electronic Signatures (XAdES)". SIST EN 319 132-2 V1.1.1:2016

ETSI ETSI EN 319 132-2 V1.1.1 (2016-04) 7 [i.4] W3C Recommendation: "XML-Signature Syntax and Processing. Version 1.1". [i.5] ETSI TR 119 000: "Electronic Signatures and Infrastructures (ESI); The framework for standardization of signatures: overview". [i.6] ETSI TR 119 100: "Electronic Signatures and Infrastructures (ESI); Business Driven Guidance for Signature Creation and Validation". [i.7] ETSI EN 319 102-1: "Electronic Signatures and Infrastructures (ESI); Procedures for Creation and Validation of AdES Digital Signatures; Part 1: Creation and Validation". [i.8] ETSI TS 119 312: "Electronic Signatures and Infrastructures (ESI); Cryptographic Suites". [i.9] IETF RFC 6931: "Additional XML Security Uniform Resource Identifiers (URIs)". 3 Definitions, abbreviations and terminology 3.1 Definitions For the purposes of the present document, the terms and definitions given in ETSI TR 119 001 [i.2] and ETSI EN 319 132-1 [1] apply. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: EU European Union GSM Global System for Mobile communications OCSP Online Certificate Status Protocol PKI Public Key Infrastructure SIM Subscriber Identity Module SPO Service Provision Option TSA Time-Stamping Authorities URI Uniform Resource Identifier XML eXtensible Markup Language 3.3 Terminology The present document uses the term "qualifying property" for denoting a XML element that qualifies the signature, the signed data objects, or the signer. The present document uses the term "element" exclusively for denoting XML elements. The present document uses the terms "container" or "element" for denoting XML elements that are containers of qualifying properties (for instance QualifyingProperties, SignedProperties, or UnsignedProperties). The present document uses the term "attribute" exclusively for denoting XML attributes of XML elements. Consequently, a qualifying property, being a XML element, can have (XML) attributes. The present document uses the term "child element" exclusively in the context of XML content, for denoting an XML element that is a child element of another XML element. SIST EN 319 132-2 V1.1.1:2016

ETSI ETSI EN 319 132-2 V1.1.1 (2016-04) 8 4 Additional XAdES levels without references to validation data 4.1 Overview The present document specifies a number of additional levels for XAdES. Each level is generated by a different combination of the XAdES qualifying properties specified in ETSI EN 319 132-1 [1], and incorporated to the XAdES signatures using one of the two mechanisms (direct or indirect incorporation) described in clause 4.4 of ETSI EN 319 132-1 [1]. NOTE 1: ETSI TR 119 100 [i.6] provides a description on the life-cycle of a signature and the rationales on which level is suitable in which situation. NOTE 2: Clause 4.3 defines four XAdES levels namely the XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and XAdES-E-A built on XAdES-E-T. Normative Annex A defines levels of XAdES signatures incorporating qualifying properties that encapsulate references to validation data and qualifying properties that encapsulate time-stamp tokens on them. NOTE 3: Names of XML elements in the namespace whose URI is http://www.w3.org/2000/09/xmldsig# will be preceded in the present document by prefix ds. No other prefixes will be used in the present document for identifying XAdES containers and/or XAdES qualifying properties, as their usage is not required for unambiguously identifying the referenced XAdES container or XAdES qualifying property, regardless of the namespace where they have been defined. NOTE 4: The requirements on the presence and cardinality of the attributes for each XAdES signature level are expressed in tables whose formats and semantics are as specified in clause 6.2.2 of ETSI EN 319 132-1 [1]. 4.2 General requirements XAdES qualifying properties deprecated by ETSI EN 319 132-1 [1] (see Annex D) do not appear in the tables. Their cardinality shall be 0 and consequently, they shall not be incorporated in the signature. Any XAdES signature of any of the levels specified in the present document shall contain at least one of the following components with the specified contents: • The SigningCertificateV2 signed qualifying property. • The ds:KeyInfo element. If the SigningCertificateV2 qualifying property is incorporated to the signature, no restrictions apply to this element. Otherwise, then the following restrictions apply: - the ds:KeyInfo element shall include a ds:X509Data containing the signing certificate; - the ds:KeyInfo element may also contain other certificates; - the ds:SignedInfo element shall contain a ds:Reference element that ensures that the signing certificate is actually signed. NOTE 1: Signing the whole ds:KeyInfo locks the element: any addition of a certificate or validation data would make signature validation fail. Applications can, alternatively, use XPath transforms for signing at least the signing certificate, leaving the ds:KeyInfo element open for addition of new data after signing. The algorithms and key lengths used to generate and augment digital signatures should be as specified in ETSI TS 119 312 [i.8]. NOTE 2: Cryptographic suites recommendations defined in ETSI TS 119 312 [i.8] can be superseded by national recommendations. NOTE 3: IETF RFC 6931 [i.9]defines a set of additional XML security URIs, which complement those ones defined in XMLDSIG [i.4]. SIST EN 319 132-2 V1.1.1:2016

ETSI ETSI EN 319 132-2 V1.1.1 (2016-04) 9 4.3 XAdES-E-BES, XAdES-E-EPES, XAdES-E-T signatures, and XAdES-E-A signatures built on XAdES-E-T signatures XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and XAdES-E-A built on XAdES-E-T signatures shall be XAdES signatures whose qualifying properties satisfy the requirements specified in the present clause. XAdES-E-EPES signatures are built on XAdES-E-BES signatures by adding one SignaturePolicyIdentifier qualifying property. XAdES-E-T signatures are built on XAdES-E-BES and XAdES-E-EPES signatures by adding one or more SignatureTimeStamp qualifying properties. XAdES-E-A signatures are built on XAdES-E-T, XAdES-E-C, XAdES-E-X (of Type 1 and of Type 2), XAdES-E-X-Long, and XAdES-E-X-L (of Type 1 and of Type 2) signatures. Annex A specifies XAdES-E-C, XAdES-E-X (of Type 1 and of Type 2), XAdES-E-X-Long, and XAdES-E-X-L (of Type 1 and of Type 2) signatures, and XAdES-E-A signatures built on them. SIST EN 319 132-2 V1.1.1:2016

ETSI ETSI EN 319 132-2 V1.1.1 (2016-04) 10 Table 1: Requirements for XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and XAdES-E-A built on XAdES-E-T Elements/Qualifying properties/Services Presence in E-BES level Presence in E-EPES level Presence in E-T level Presence in E-A level built on E-T level Cardinality Additional notes and requirements Reference SigningTime may be present may be present may be present may be present 0 or 1

ETSI EN 319 132-1 [1], clause 5.2.1 SigningCertificateV2 conditioned presence conditioned presence conditioned presence conditioned presence 0 or 1 a, b ETSI EN 319 132-1 [1], clause 5.2.2 CommitmentTypeIndication may be present may be present may be present may be present ≥ 0

ETSI EN 319 132-1 [1], clause 5.2.3 DataObjectFormat may be present may be present may be present may be present ≥ 0

ETSI EN 319 132-1 [1], clause 5.2.4 SignatureProductionPlaceV2 may be present may be present may be present may be present 0 or 1

ETSI EN 319 132-1 [1], clause 5.2.5 SignerRoleV2 may be present may be present may be present may be present 0 or 1

ETSI EN 319 132-1 [1], clause 5.2.6 CounterSignature may be present may be present may be present may be present ≥ 0

ETSI EN 319 132-1 [1], clause 5.2.7.2 AllDataObjectsTimeStamp may be present may be present may be present may be present ≥ 0 1 ETSI EN 319 132-1 [1], clause 5.2.8.1 IndividualDataObjectsTimeStamp may be present may be present may be present may be present ≥ 0 1 ETSI EN 319 132-1 [1], clause 5.2.8.2 SignaturePolicyIdentifier * shall be present may be present may be present E-EPES: 1

2, 3 ETSI EN 319 132-1 [1], clause 5.2.9 E-BES, E-T, E-A: 0 or 1 SignaturePolicyStore * conditioned presence conditioned presence conditioned presence 0 or 1 c ETSI EN 319 132-1 [1], clause 5.2.10 SignatureTimeStamp * * shall be present shall be present E-BES, E-EPES: ≥ 0 d, e

1, 4 ETSI EN 319 132-1 [1], claus
...

ETSI EN 319 132-2 V1.1.1 (2016-04)
EUROPEAN STANDARD
Electronic Signatures and Infrastructures (ESI);
XAdES digital signatures;
Part 2: Extended XAdES signatures
---------------------- Page: 1 ----------------------
2 ETSI EN 319 132-2 V1.1.1 (2016-04)
Reference
DEN/ESI-0019132-2
Keywords
electronic signature, security, XAdES, XML
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search

The present document may be made available in electronic versions and/or in print. The content of any electronic and/or

print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any

existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the

print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat.

Users of the present document should be aware that the document may be subject to revision or change of status.

Information on the current status of this and other ETSI documents is available at

https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx

If you find errors in the present document, please send your comment to one of the following services:

https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification

No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying

and microfilm except as authorized by written permission of ETSI.

The content of the PDF version shall not be modified without the written authorization of ETSI.

The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2016.
All rights reserved.
TM TM TM

DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.

3GPP and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and

of the 3GPP Organizational Partners.

GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.

ETSI
---------------------- Page: 2 ----------------------
3 ETSI EN 319 132-2 V1.1.1 (2016-04)
Contents

Intellectual Property Rights ................................................................................................................................ 4

Foreword ............................................................................................................................................................. 4

Modal verbs terminology .................................................................................................................................... 4

Introduction ........................................................................................................................................................ 4

1 Scope ........................................................................................................................................................ 6

2 References ................................................................................................................................................ 6

2.1 Normative references ......................................................................................................................................... 6

2.2 Informative references ........................................................................................................................................ 6

3 Definitions, abbreviations and terminology ............................................................................................. 7

3.1 Definitions .......................................................................................................................................................... 7

3.2 Abbreviations ..................................................................................................................................................... 7

3.3 Terminology ....................................................................................................................................................... 7

4 Additional XAdES levels without references to validation data .............................................................. 8

4.1 Overview ............................................................................................................................................................ 8

4.2 General requirements ......................................................................................................................................... 8

4.3 XAdES-E-BES, XAdES-E-EPES, XAdES-E-T signatures, and XAdES-E-A signatures built on

XAdES-E-T signatures ....................................................................................................................................... 9

5 Legacy signatures ................................................................................................................................... 13

Annex A (normative): XAdES signature levels with references to validation data ....................... 14

A.1 XAdES-E-C, XAdES-E-X, XAdES-E-X-Long and XAdES-E-X-L signatures .................................... 14

A.2 XAdES-E-A signatures built on XAdES-E-C, XAdES-E-X, XAdES-E-X-Long and XAdES-E-X-

L signatures ............................................................................................................................................ 18

History .............................................................................................................................................................. 20

ETSI
---------------------- Page: 3 ----------------------
4 ETSI EN 319 132-2 V1.1.1 (2016-04)
Intellectual Property Rights

IPRs essential or potentially essential to the present document may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (https://ipr.etsi.org/).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Foreword

This European Standard (EN) has been produced by ETSI Technical Committee Electronic Signatures and

Infrastructures (ESI).

The present document is part 2 of a multi-part deliverable covering XAdES digital signatures. Full details of the entire

series can be found in part 1 [1].
National transposition dates
Date of adoption of this EN: 1 April 2016
Date of latest announcement of this EN (doa): 31 July 2016
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 January 2017
Date of withdrawal of any conflicting National Standard (dow): 31 January 2017
Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

Introduction

Electronic commerce has emerged as a frequent way of doing business between companies across local, wide area and

global networks. Trust in this way of doing business is essential for the success and continued development of

electronic commerce. It is therefore important that companies using this electronic means of doing business have

suitable security controls and mechanisms in place to protect their transactions and to ensure trust and confidence with

their business partners. In this respect digital signatures are an important security component that can be used to protect

information and provide trust in electronic business.

The present document is intended to cover digital signatures supported by PKI and public key certificates, and aims to

meet the general requirements of the international community to provide trust and confidence in electronic transactions,

including, amongst other, applicable requirements from Regulation (EU) No 910/2014 [i.1].

ETSI
---------------------- Page: 4 ----------------------
5 ETSI EN 319 132-2 V1.1.1 (2016-04)

The present document can be used for any transaction between an individual and a company, between two companies,

between an individual and a governmental body, etc. The present document is independent of any environment. It can

be applied to any environment e.g. smart cards, GSM SIM cards, special programs for electronic signatures, etc.

The present document is part of a rationalized framework of standards (see ETSI TR 119 000 [i.5]). See ETSI

TR 119 100 [i.6] for getting guidance on how to use the present document within the aforementioned framework.

ETSI
---------------------- Page: 5 ----------------------
6 ETSI EN 319 132-2 V1.1.1 (2016-04)
1 Scope

The present document specifies XAdES digital signatures. XAdES signatures are built on XML digital signatures [i.4],

by incorporation of signed and unsigned qualifying properties, which fulfil certain common requirements (such as the

long term validity of digital signatures, for instance) in a number of use cases.

The present document specifies a number of XAdES signature levels, addressing incremental requirements to maintain

the validity of the signatures over the long term, in a way that a certain level always addresses all the requirements

addressed at levels that are below it. These XAdES extended signatures offer a higher degree of optionality than the

XAdES baseline signatures specified ETSI EN 319 132-1 [1].

Procedures for creation, augmentation, and validation of XAdES digital signatures are out of scope and specified in

ETSI EN 319 102-1 [i.7]. Guidance on creation, augmentation and validation of XAdES digital signatures is provided

including the usage of the different properties is provided in ETSI TR 119 100 [i.6].

The present document aims at supporting electronic signatures in different regulatory frameworks.

NOTE: Specifically but not exclusively, XAdES digital signatures specified in the present document aim at

supporting electronic signatures, advanced electronic signatures, qualified electronic signatures,

electronic seals, advanced electronic seals, and qualified electronic seals as per Regulation (EU)

No 910/2014 [i.1].
2 References
2.1 Normative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

http://docbox.etsi.org/Reference.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] ETSI EN 319 132-1: "Electronic Signatures and Infrastructures (ESI); XAdES digital signatures;

Part 1: Building blocks and XAdES baseline signatures".
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] Regulation (EU) No 910/2014 of the European Parliament and of the Council on electronic

identification and trust services for electronic transactions in the internal market and repealing

Directive 1999/93/EC. OJ L 257, 28.08.2014, p. 73-114.

[i.2] ETSI TR 119 001: "Electronic Signatures and Infrastructures (ESI); The framework for

standardization of signatures; Definitions and abbreviations".

[i.3] ETSI TS 101 903: "Electronic Signatures and Infrastructures (ESI); XML Advanced Electronic

Signatures (XAdES)".
ETSI
---------------------- Page: 6 ----------------------
7 ETSI EN 319 132-2 V1.1.1 (2016-04)
[i.4] W3C Recommendation: "XML-Signature Syntax and Processing. Version 1.1".

[i.5] ETSI TR 119 000: "Electronic Signatures and Infrastructures (ESI); The framework for

standardization of signatures: overview".

[i.6] ETSI TR 119 100: "Electronic Signatures and Infrastructures (ESI); Business Driven Guidance for

Signature Creation and Validation".

[i.7] ETSI EN 319 102-1: "Electronic Signatures and Infrastructures (ESI); Procedures for Creation and

Validation of AdES Digital Signatures; Part 1: Creation and Validation".

[i.8] ETSI TS 119 312: "Electronic Signatures and Infrastructures (ESI); Cryptographic Suites".

[i.9] IETF RFC 6931: "Additional XML Security Uniform Resource Identifiers (URIs)".

3 Definitions, abbreviations and terminology
3.1 Definitions

For the purposes of the present document, the terms and definitions given in ETSI TR 119 001 [i.2] and ETSI

EN 319 132-1 [1] apply.
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
EU European Union
GSM Global System for Mobile communications
OCSP Online Certificate Status Protocol
PKI Public Key Infrastructure
SIM Subscriber Identity Module
SPO Service Provision Option
TSA Time-Stamping Authorities
URI Uniform Resource Identifier
XML eXtensible Markup Language
3.3 Terminology

The present document uses the term "qualifying property" for denoting a XML element that qualifies the signature, the

signed data objects, or the signer.

The present document uses the term "element" exclusively for denoting XML elements.

The present document uses the terms "container" or "element" for denoting XML elements that are containers of

qualifying properties (for instance QualifyingProperties, SignedProperties, or
UnsignedProperties).

The present document uses the term "attribute" exclusively for denoting XML attributes of XML elements.

Consequently, a qualifying property, being a XML element, can have (XML) attributes.

The present document uses the term "child element" exclusively in the context of XML content, for denoting an XML

element that is a child element of another XML element.
ETSI
---------------------- Page: 7 ----------------------
8 ETSI EN 319 132-2 V1.1.1 (2016-04)
4 Additional XAdES levels without references to
validation data
4.1 Overview
The present document specifies a number of additional levels for XAdES.

Each level is generated by a different combination of the XAdES qualifying properties specified in ETSI

EN 319 132-1 [1], and incorporated to the XAdES signatures using one of the two mechanisms (direct or indirect

incorporation) described in clause 4.4 of ETSI EN 319 132-1 [1].

NOTE 1: ETSI TR 119 100 [i.6] provides a description on the life-cycle of a signature and the rationales on which

level is suitable in which situation.

NOTE 2: Clause 4.3 defines four XAdES levels namely the XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and

XAdES-E-A built on XAdES-E-T. Normative Annex A defines levels of XAdES signatures incorporating

qualifying properties that encapsulate references to validation data and qualifying properties that

encapsulate time-stamp tokens on them.

NOTE 3: Names of XML elements in the namespace whose URI is http://www.w3.org/2000/09/xmldsig# will be

preceded in the present document by prefix ds. No other prefixes will be used in the present document

for identifying XAdES containers and/or XAdES qualifying properties, as their usage is not required for

unambiguously identifying the referenced XAdES container or XAdES qualifying property, regardless of

the namespace where they have been defined.

NOTE 4: The requirements on the presence and cardinality of the attributes for each XAdES signature level are

expressed in tables whose formats and semantics are as specified in clause 6.2.2 of ETSI

EN 319 132-1 [1].
4.2 General requirements

XAdES qualifying properties deprecated by ETSI EN 319 132-1 [1] (see Annex D) do not appear in the tables. Their

cardinality shall be 0 and consequently, they shall not be incorporated in the signature.

Any XAdES signature of any of the levels specified in the present document shall contain at least one of the following

components with the specified contents:
• The SigningCertificateV2 signed qualifying property.

• The ds:KeyInfo element. If the SigningCertificateV2 qualifying property is incorporated to the

signature, no restrictions apply to this element. Otherwise, then the following restrictions apply:

- the ds:KeyInfo element shall include a ds:X509Data containing the signing certificate;

- the ds:KeyInfo element may also contain other certificates;

- the ds:SignedInfo element shall contain a ds:Reference element that ensures that the signing

certificate is actually signed.

NOTE 1: Signing the whole ds:KeyInfo locks the element: any addition of a certificate or validation data would

make signature validation fail. Applications can, alternatively, use XPath transforms for signing at least

the signing certificate, leaving the ds:KeyInfo element open for addition of new data after signing.

The algorithms and key lengths used to generate and augment digital signatures should be as specified in ETSI

TS 119 312 [i.8].

NOTE 2: Cryptographic suites recommendations defined in ETSI TS 119 312 [i.8] can be superseded by national

recommendations.

NOTE 3: IETF RFC 6931 [i.9]defines a set of additional XML security URIs, which complement those ones

defined in XMLDSIG [i.4].
ETSI
---------------------- Page: 8 ----------------------
9 ETSI EN 319 132-2 V1.1.1 (2016-04)
4.3 XAdES-E-BES, XAdES-E-EPES, XAdES-E-T signatures,
and XAdES-E-A signatures built on XAdES-E-T signatures

XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and XAdES-E-A built on XAdES-E-T signatures shall be XAdES

signatures whose qualifying properties satisfy the requirements specified in the present clause.

XAdES-E-EPES signatures are built on XAdES-E-BES signatures by adding one SignaturePolicyIdentifier

qualifying property.

XAdES-E-T signatures are built on XAdES-E-BES and XAdES-E-EPES signatures by adding one or more

SignatureTimeStamp qualifying properties.

XAdES-E-A signatures are built on XAdES-E-T, XAdES-E-C, XAdES-E-X (of Type 1 and of Type 2), XAdES-E-X-

Long, and XAdES-E-X-L (of Type 1 and of Type 2) signatures.

Annex A specifies XAdES-E-C, XAdES-E-X (of Type 1 and of Type 2), XAdES-E-X-Long, and XAdES-E-X-L (of

Type 1 and of Type 2) signatures, and XAdES-E-A signatures built on them.
ETSI
---------------------- Page: 9 ----------------------
10 ETSI EN 319 132-2 V1.1.1 (2016-04)

Table 1: Requirements for XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and XAdES-E-A built on XAdES-E-T

Elements/Qualifying Presence in Presence in Presence in Presence in Cardinality Additional Reference

properties/Services E-BES level E-EPES level E-T level E-A level built notes and
on E-T level requirements
SigningTime

may be present may be present may be present may be present 0 or 1 ETSI EN 319 132-1 [1],

clause 5.2.1
SigningCertificateV2

conditioned conditioned conditioned conditioned 0 or 1 a, b ETSI EN 319 132-1 [1],

presence presence presence presence clause 5.2.2
CommitmentTypeIndication

may be present may be present may be present may be present ≥ 0 ETSI EN 319 132-1 [1],

clause 5.2.3
DataObjectFormat

may be present may be present may be present may be present ≥ 0 ETSI EN 319 132-1 [1],

clause 5.2.4
SignatureProductionPlaceV2

may be present may be present may be present may be present 0 or 1 ETSI EN 319 132-1 [1],

clause 5.2.5
SignerRoleV2

may be present may be present may be present may be present 0 or 1 ETSI EN 319 132-1 [1],

clause 5.2.6
CounterSignature

may be present may be present may be present may be present ETSI EN 319 132-1 [1],

≥ 0
clause 5.2.7.2

AllDataObjectsTimeStamp may be present may be present may be present may be present 1 ETSI EN 319 132-1 [1],

≥ 0
clause 5.2.8.1
IndividualDataObjectsTimeStamp

may be present may be present may be present may be present ≥ 0 1 ETSI EN 319 132-1 [1],

clause 5.2.8.2
SignaturePolicyIdentifier

* shall be present may be present may be present E-EPES: 1 2, 3 ETSI EN 319 132-1 [1],

clause 5.2.9
E-BES, E-T, E-A:
0 or 1
SignaturePolicyStore
* conditioned conditioned conditioned 0 or 1 c ETSI EN 319 132-1 [1],
presence presence presence clause 5.2.10
SignatureTimeStamp
* * shall be present shall be present E-BES, E-EPES: d, e ETSI EN 319 132-1 [1],
1, 4 clause 5.3
≥ 0
E-T, E-A: ≥ 1
CertificateValues * * * conditioned 0 or 1 f, g ETSI EN 319 132-1 [1],
presence clause 5.4.1
AttrAuthoritiesCertValues
* * * conditioned 0 or 1 f, h ETSI EN 319 132-1 [1],
presence clause 5.4.3
RevocationValues
* * * conditioned 0 or 1 i, j ETSI EN 319 132-1 [1],
presence clause 5.4.2
AttributeRevocationValues
* * * conditioned 0 or 1 i, k ETSI EN 319 132-1 [
...

Final draft ETSI EN 319 132-2 V1.1.0 (2016-02)
EUROPEAN STANDARD
Electronic Signatures and Infrastructures (ESI);
XAdES digital signatures;
Part 2: Extended XAdES signatures
---------------------- Page: 1 ----------------------
2 Final draft ETSI EN 319 132-2 V1.1.0 (2016-02)
Reference
DEN/ESI-0019132-2
Keywords
electronic signature, security, XAdES, XML
ETSI
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ETSI
---------------------- Page: 2 ----------------------
3 Final draft ETSI EN 319 132-2 V1.1.0 (2016-02)
Contents

Intellectual Property Rights ................................................................................................................................ 4

Foreword ............................................................................................................................................................. 4

Modal verbs terminology .................................................................................................................................... 4

Introduction ........................................................................................................................................................ 4

1 Scope ........................................................................................................................................................ 5

2 References ................................................................................................................................................ 5

2.1 Normative references ......................................................................................................................................... 5

2.2 Informative references ........................................................................................................................................ 5

3 Definitions, abbreviations and terminology ............................................................................................. 6

3.1 Definitions .......................................................................................................................................................... 6

3.2 Abbreviations ..................................................................................................................................................... 6

3.3 Terminology ....................................................................................................................................................... 6

4 Additional XAdES levels without references to validation data .............................................................. 7

4.1 Overview ............................................................................................................................................................ 7

4.2 General requirements ......................................................................................................................................... 7

4.3 XAdES-E-BES, XAdES-E-EPES, XAdES-E-T signatures, and XAdES-E-A signatures built on

XAdES-E-T signatures ....................................................................................................................................... 8

5 Legacy signatures ................................................................................................................................... 12

Annex A (normative): XAdES signature levels with references to validation data ....................... 13

A.1 XAdES-E-C, XAdES-E-X, XAdES-E-X-Long and XAdES-E-X-L signatures .................................... 13

A.2 XAdES-E-A signatures built on XAdES-E-C, XAdES-E-X, XAdES-E-X-Long and XAdES-E-X-

L signatures ............................................................................................................................................ 17

History .............................................................................................................................................................. 19

ETSI
---------------------- Page: 3 ----------------------
4 Final draft ETSI EN 319 132-2 V1.1.0 (2016-02)
Intellectual Property Rights

IPRs essential or potentially essential to the present document may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (https://ipr.etsi.org/).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Foreword

This final draft European Standard (EN) has been produced by ETSI Technical Committee Electronic Signatures and

Infrastructures (ESI), and is now submitted for the Vote phase of the ETSI standards EN Approval Procedure.

The present document is part 2 of a multi-part deliverable covering XAdES digital signatures. Full details of the entire

series can be found in part 1 [1].
Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa

Date of withdrawal of any conflicting National Standard (dow): 6 months after doa

Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

Introduction

Electronic commerce has emerged as a frequent way of doing business between companies across local, wide area and

global networks. Trust in this way of doing business is essential for the success and continued development of

electronic commerce. It is therefore important that companies using this electronic means of doing business have

suitable security controls and mechanisms in place to protect their transactions and to ensure trust and confidence with

their business partners. In this respect digital signatures are an important security component that can be used to protect

information and provide trust in electronic business.

The present document is intended to cover digital signatures supported by PKI and public key certificates, and aims to

meet the general requirements of the international community to provide trust and confidence in electronic transactions,

including, amongst other, applicable requirements from Regulation (EU) No 910/2014 [i.1].

The present document can be used for any transaction between an individual and a company, between two companies,

between an individual and a governmental body, etc. The present document is independent of any environment. It can

be applied to any environment e.g. smart cards, GSM SIM cards, special programs for electronic signatures, etc.

The present document is part of a rationalized framework of standards (see ETSI TR 119 000 [i.5]). See ETSI

TR 119 100 [i.6] for getting guidance on how to use the present document within the aforementioned framework.

ETSI
---------------------- Page: 4 ----------------------
5 Final draft ETSI EN 319 132-2 V1.1.0 (2016-02)
1 Scope

The present document specifies XAdES digital signatures. XAdES signatures are built on XML digital signatures [i.4],

by incorporation of signed and unsigned qualifying properties, which fulfil certain common requirements (such as the

long term validity of digital signatures, for instance) in a number of use cases.

The present document specifies a number of XAdES signature levels, addressing incremental requirements to maintain

the validity of the signatures over the long term, in a way that a certain level always addresses all the requirements

addressed at levels that are below it. These XAdES extended signatures offer a higher degree of optionality than the

XAdES baseline signatures specified ETSI EN 319 132-1 [1].

Procedures for creation, augmentation, and validation of XAdES digital signatures are out of scope and specified in

ETSI EN 319 102-1 [i.7]. Guidance on creation, augmentation and validation of XAdES digital signatures is provided

including the usage of the different properties is provided in ETSI TR 119 100 [i.6].

The present document aims at supporting electronic signatures in different regulatory frameworks.

NOTE: Specifically but not exclusively, XAdES digital signatures specified in the present document aim at

supporting electronic signatures, advanced electronic signatures, qualified electronic signatures,

electronic seals, advanced electronic seals, and qualified electronic seals as per Regulation (EU)

No 910/2014 [i.1].
2 References
2.1 Normative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

http://docbox.etsi.org/Reference.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] ETSI EN 319 132-1: "Electronic Signatures and Infrastructures (ESI); XAdES digital signatures;

Part 1: Building blocks and XAdES baseline signatures".
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] Regulation (EU) No 910/2014 of the European Parliament and of the Council on electronic

identification and trust services for electronic transactions in the internal market and repealing

Directive 1999/93/EC. OJ L 257, 28.08.2014, p. 73-114.

[i.2] ETSI TR 119 001: "Electronic Signatures and Infrastructures (ESI); The framework for

standardization of signatures; Definitions and abbreviations".

[i.3] ETSI TS 101 903: "Electronic Signatures and Infrastructures (ESI); XML Advanced Electronic

Signatures (XAdES)".
ETSI
---------------------- Page: 5 ----------------------
6 Final draft ETSI EN 319 132-2 V1.1.0 (2016-02)
[i.4] W3C Recommendation: "XML-Signature Syntax and Processing. Version 1.1".

[i.5] ETSI TR 119 000: "Electronic Signatures and Infrastructures (ESI); The framework for

standardization of signatures: overview".

[i.6] ETSI TR 119 100: "Electronic Signatures and Infrastructures (ESI); Business Driven Guidance for

Signature Creation and Validation".

[i.7] ETSI EN 319 102-1: "Electronic Signatures and Infrastructures (ESI); Procedures for Creation and

Validation of AdES Digital Signatures; Part 1: Creation and Validation".

[i.8] ETSI TS 119 312: "Electronic Signatures and Infrastructures (ESI); Cryptographic Suites".

[i.9] IETF RFC 6931: "Additional XML Security Uniform Resource Identifiers (URIs)".

3 Definitions, abbreviations and terminology
3.1 Definitions

For the purposes of the present document, the terms and definitions given in ETSI TR 119 001 [i.2] and ETSI

EN 319 132-1 [1], apply.
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
EU European Union
GSM Global System for Mobile communications
OCSP Online Certificate Status Protocol
PKI Public Key Infrastructure
SIM Subscriber Identity Module
SPO Service Provision Option
TSA Time-Stamping Authorities
URI Uniform Resource Identifier
XML eXtensible Markup Language
3.3 Terminology

The present document uses the term "qualifying property" for denoting a XML element that qualifies the signature, the

signed data objects, or the signer.

The present document uses the term "element" exclusively for denoting XML elements.

The present document uses the terms "container" or "element" for denoting XML elements that are containers of

qualifying properties (for instance QualifyingProperties, SignedProperties, or
UnsignedProperties).

The present document uses the term "attribute" exclusively for denoting XML attributes of XML elements.

Consequently, a qualifying property, being a XML element, can have (XML) attributes.

The present document uses the term "child element" exclusively in the context of XML content, for denoting an XML

element that is a child element of another XML element.
ETSI
---------------------- Page: 6 ----------------------
7 Final draft ETSI EN 319 132-2 V1.1.0 (2016-02)
4 Additional XAdES levels without references to
validation data
4.1 Overview
The present document specifies a number of additional levels for XAdES.

Each level is generated by a different combination of the XAdES qualifying properties specified in ETSI

EN 319 132-1 [1], and incorporated to the XAdES signatures using one of the two mechanisms (direct or indirect

incorporation) described in clause 4.4 of ETSI EN 319 132-1 [1].

NOTE 1: ETSI TR 119 100 [i.6] provides a description on the life-cycle of a signature and the rationales on which

level is suitable in which situation.

NOTE 2: Clause 4.3 defines four XAdES levels namely the XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and

XAdES-E-A built on XAdES-E-T. Normative Annex A defines levels of XAdES signatures incorporating

qualifying properties that encapsulate references to validation data and qualifying properties that

encapsulate time-stamp tokens on them.

NOTE 3: Names of XML elements in the namespace whose URI is http://www.w3.org/2000/09/xmldsig# will be

preceded in the present document by prefix ds. No other prefixes will be used in the present document

for identifying XAdES containers and/or XAdES qualifying properties, as their usage is not required for

unambiguously identifying the referenced XAdES container or XAdES qualifying property, regardless of

the namespace where they have been defined.

NOTE 4: The requirements on the presence and cardinality of the attributes for each XAdES signature level are

expressed in tables whose formats and semantics are as specified in clause 6.2.2 of ETSI

EN 319 132-1 [1].
4.2 General requirements

XAdES qualifying properties deprecated by ETSI EN 319 132-1 [1] (see Annex D) do not appear in the tables. Their

cardinality shall be 0 and consequently, they shall not be incorporated in the signature.

Any XAdES signature of any of the levels specified in the present document shall contain at least one of the following

components with the specified contents:
• The SigningCertificateV2 signed qualifying property.

• The ds:KeyInfo element. If the SigningCertificateV2 qualifying property is incorporated to the

signature, no restrictions apply to this element. Otherwise, then the following restrictions apply:

- the ds:KeyInfo element shall include a ds:X509Data containing the signing certificate;

- the ds:KeyInfo element may also contain other certificates;

- the ds:SignedInfo element shall contain a ds:Reference element that ensures that the signing

certificate is actually signed.

NOTE 1: Signing the whole ds:KeyInfo locks the element: any addition of a certificate or validation data would

make signature validation fail. Applications can, alternatively, use XPath transforms for signing at least

the signing certificate, leaving the ds:KeyInfo element open for addition of new data after signing.

The algorithms and key lengths used to generate and augment digital signatures should be as specified in ETSI

TS 119 312 [i.8].

NOTE 2: Cryptographic suites recommendations defined in ETSI TS 119 312 [i.8] can be superseded by national

recommendations.

NOTE 3: IETF RFC 6931 [i.9]defines a set of additional XML security URIs, which complement those ones

defined in XMLDSIG [i.4].
ETSI
---------------------- Page: 7 ----------------------
8 Final draft ETSI EN 319 132-2 V1.1.0 (2016-02)
4.3 XAdES-E-BES, XAdES-E-EPES, XAdES-E-T signatures,
and XAdES-E-A signatures built on XAdES-E-T signatures

XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and XAdES-E-A built on XAdES-E-T signatures shall be XAdES

signatures whose qualifying properties satisfy the requirements specified in the present clause.

XAdES-E-EPES signatures are built on XAdES-E-BES signatures by adding one SignaturePolicyIdentifier

qualifying property.

XAdES-E-T signatures are built on XAdES-E-BES and XAdES-E-EPES signatures by adding one or more

SignatureTimeStamp qualifying properties.

XAdES-E-A signatures are built on XAdES-E-T, XAdES-E-C, XAdES-E-X (of Type 1 and of Type 2), XAdES-E-X-

Long, and XAdES-E-X-L (of Type 1 and of Type 2) signatures.

Annex A specifies XAdES-E-C, XAdES-E-X (of Type 1 and of Type 2), XAdES-E-X-Long, and XAdES-E-X-L (of

Type 1 and of Type 2) signatures, and XAdES-E-A signatures built on them.
ETSI
---------------------- Page: 8 ----------------------
9 Final draft ETSI EN 319 132-2 V1.1.0 (2016-02)

Table 1: Requirements for XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and XAdES-E-A built on XAdES-E-T

Elements/Qualifying Presence in Presence in Presence in Presence in Cardinality Additional Reference

properties/Services E-BES level E-EPES level E-T level E-A level built notes and
on E-T level requirements
SigningTime

may be present may be present may be present may be present 0 or 1 ETSI EN 319 132-1 [1],

clause 5.2.1
SigningCertificateV2

conditioned conditioned conditioned conditioned 0 or 1 a, b ETSI EN 319 132-1 [1],

presence presence presence presence clause 5.2.2
CommitmentTypeIndication

may be present may be present may be present may be present ≥ 0 ETSI EN 319 132-1 [1],

clause 5.2.3
DataObjectFormat

may be present may be present may be present may be present ≥ 0 ETSI EN 319 132-1 [1],

clause 5.2.4
SignatureProductionPlaceV2

may be present may be present may be present may be present 0 or 1 ETSI EN 319 132-1 [1],

clause 5.2.5
SignerRoleV2

may be present may be present may be present may be present 0 or 1 ETSI EN 319 132-1 [1],

clause 5.2.6
CounterSignature

may be present may be present may be present may be present ETSI EN 319 132-1 [1],

≥ 0
clause 5.2.7.2
AllDataObjectsTimeStamp

may be present may be present may be present may be present ≥ 0 1 ETSI EN 319 132-1 [1],

clause 5.2.8.1
IndividualDataObjectsTimeStamp

may be present may be present may be present may be present ≥ 0 1 ETSI EN 319 132-1 [1],

clause 5.2.8.2
SignaturePolicyIdentifier

* shall be present may be present may be present E-EPES: 1 2, 3 ETSI EN 319 132-1 [1],

clause 5.2.9
E-BES, E-T, E-A:
0 or 1
SignaturePolicyStore
* conditioned conditioned conditioned 0 or 1 c ETSI EN 319 132-1 [1],
presence presence presence clause 5.2.10
SignatureTimeStamp
* * shall be present shall be present E-BES, E-EPES: d, e ETSI EN 319 132-1 [1],
1, 4 clause 5.3
≥ 0
E-T, E-A: ≥ 1
CertificateValues
* * * conditioned 0 or 1 f, g ETSI EN 319 132-1 [1],
presence clause 5.4.1
AttrAuthoritiesCertValues
* * * conditioned 0 or 1 f, h ETSI EN 319 132-1 [1],
presence clause 5.4.3
RevocationValues
* * * conditioned 0 or 1 i, j ETSI EN 319 132-1 [1],
presence clause 5.4.2
AttributeRevocationValues
* * * conditioned 0 or 1 i, k ETSI EN 319 132-1 [1],
...

Draft ETSI EN 319 132-2 V1.0.0 (2015-06)
EUROPEAN STANDARD
Electronic Signatures and Infrastructures (ESI);
XAdES digital signatures;
Part 2: Extended XAdES signatures
---------------------- Page: 1 ----------------------
2 Draft ETSI EN 319 132-2 V1.0.0 (2015-06)
Reference
DEN/ESI-0019132-2
Keywords
electronic signature, security, XAdES, XML
ETSI
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ETSI
---------------------- Page: 2 ----------------------
3 Draft ETSI EN 319 132-2 V1.0.0 (2015-06)
Contents

Intellectual Property Rights ................................................................................................................................ 4

Foreword ............................................................................................................................................................. 4

Modal verbs terminology .................................................................................................................................... 4

Introduction ........................................................................................................................................................ 4

1 Scope ........................................................................................................................................................ 5

2 References ................................................................................................................................................ 5

2.1 Normative references ......................................................................................................................................... 5

2.2 Informative references ........................................................................................................................................ 5

3 Definitions, abbreviations and terminology ............................................................................................. 6

3.1 Definitions .......................................................................................................................................................... 6

3.2 Abbreviations ..................................................................................................................................................... 6

3.3 Terminology ....................................................................................................................................................... 6

4 Additional XAdES levels without references to validation data .............................................................. 6

4.1 Overview ............................................................................................................................................................ 6

4.2 General requirements ......................................................................................................................................... 7

4.3 XAdES-E-BES, XAdES-E-EPES, XAdES-E-T signatures, and XAdES-E-A signatures built on

XAdES-E-T signatures ....................................................................................................................................... 7

5 Legacy signatures ................................................................................................................................... 11

Annex A (normative): XAdES signature levels with references to validation data ....................... 12

A.1 XAdES-E-C, XAdES-E-X, XAdES-E-X-Long and XAdES-E-X-L signatures .................................... 12

A.2 XAdES-E-A signatures built on XAdES-E-C, XAdES-E-X, XAdES-E-X-Long and XAdES-E-X-

L signatures ............................................................................................................................................ 15

Annex B (informative): Change History .............................................................................................. 18

History .............................................................................................................................................................. 19

ETSI
---------------------- Page: 3 ----------------------
4 Draft ETSI EN 319 132-2 V1.0.0 (2015-06)
Intellectual Property Rights

IPRs essential or potentially essential to the present document may have been declared to ETSI. The information

pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found

in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in

respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web

server (http://ipr.etsi.org).

Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee

can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web

server) which are, or may be, or may become, essential to the present document.
Foreword

This draft European Standard (EN) has been produced by ETSI Technical Committee Electronic Signatures and

Infrastructures (ESI), and is now submitted for the combined Public Enquiry and Vote phase of the ETSI standards EN

Approval Procedure.

The present document is part 2 of a multi-part deliverable covering XAdES digital signatures. Full details of the entire

series can be found in part 1 [1].
Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa

Date of withdrawal of any conflicting National Standard (dow): 6 months after doa

Modal verbs terminology

In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and

"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of

provisions).

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

Introduction

Electronic commerce has emerged as a frequent way of doing business between companies across local, wide area and

global networks. Trust in this way of doing business is essential for the success and continued development of

electronic commerce. It is therefore important that companies using this electronic means of doing business have

suitable security controls and mechanisms in place to protect their transactions and to ensure trust and confidence with

their business partners. In this respect digital signatures are an important security component that can be used to protect

information and provide trust in electronic business.

The present document is intended to cover digital signatures supported by PKI and public key certificates, and aims to

meet the general requirements of the international community to provide trust and confidence in electronic transactions,

including, amongst other, applicable requirements from Regulation (EU) No 910/2014 [i.1].

The present document can be used for any transaction between an individual and a company, between two companies,

between an individual and a governmental body, etc. The present document is independent of any environment. It can

be applied to any environment e.g. smart cards, GSM SIM cards, special programs for electronic signatures, etc.

The present document is part of a rationalized framework of standards (see ETSI TR 119 000 [i.5]). See

ETSI TR 119 100 [i.6] for getting guidance on how to use the present document within the aforementioned framework.

ETSI
---------------------- Page: 4 ----------------------
5 Draft ETSI EN 319 132-2 V1.0.0 (2015-06)
1 Scope

The present document specifies XAdES digital signatures. XAdES signatures are built on XML digital signatures [i.4],

by incorporation of signed and unsigned qualifying properties, which fulfil certain common requirements (such as the

long term validity of digital signatures, for instance) in a number of use cases.

The present document specifies a number of XAdES signature levels, addressing incremental requirements to maintain

the validity of the signatures over the long term, in a way that a certain level always addresses all the requirements

addressed at levels that are below it. These XAdES extended signatures offer a higher degree of optionality than the

XAdES baseline signatures specified ETSI EN 319 132-1 [1].

The present document aims at supporting electronic signatures in different regulatory frameworks.

NOTE: Specifically but not exclusively, XAdES digital signatures specified in the present document aim at

supporting electronic signatures, advanced electronic signatures, qualified electronic signatures,

electronic seals, advanced electronic seals, and qualified electronic seals as per Regulation (EU)

No 910/2014 [i.1].
2 References
2.1 Normative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

Referenced documents which are not found to be publicly available in the expected location might be found at

http://docbox.etsi.org/Reference.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are necessary for the application of the present document.

[1] ETSI EN 319 132-1: "Electronic Signatures and Infrastructures (ESI); XAdES digital signatures;

Part 1: Building blocks and XAdES baseline signatures".
2.2 Informative references

References are either specific (identified by date of publication and/or edition number or version number) or

non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the

referenced document (including any amendments) applies.

NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

their long term validity.

The following referenced documents are not necessary for the application of the present document but they assist the

user with regard to a particular subject area.

[i.1] Regulation (EU) No 910/2014 of the European Parliament and of the Council on electronic

identification and trust services for electronic transactions in the internal market and repealing

Directive 1999/93/EC. OJ L 257, 28.08.2014, p. 73-114.

[i.2] ETSI TR 119 001: "Electronic Signatures and Infrastructures (ESI); Definitions and

abbreviations".

[i.3] ETSI TS 101 903: "Electronic Signatures and Infrastructures (ESI); XML Advanced Electronic

Signatures (XAdES)".
[i.4] W3C Recommendation: "XML-Signature Syntax and Processing. Version 1.1".
ETSI
---------------------- Page: 5 ----------------------
6 Draft ETSI EN 319 132-2 V1.0.0 (2015-06)

[i.5] ETSI TR 119 000: "Electronic Signatures and Infrastructures (ESI); Rationalized structure for

Electronic Signature Standardization".

[i.6] ETSI TR 119 100: "Electronic Signatures and Infrastructures (ESI); Business Driven Guidance for

Signature Creation and Validation".
3 Definitions, abbreviations and terminology
3.1 Definitions

For the purposes of the present document, the terms and definitions given in ETSI TR 119 001 [i.2] and

ETSI EN 319 132-1 [1], apply.
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
EU European Union
GSM Global System for Mobile communications
OCSP Online Certificate Status Protocol
PKI Public Key Infrastructure
SIM Subscriber Identity Module
SPO Service Provision Option
TSA Time-Stamping Authorities
URI Uniform Resource Identifier
XML eXtensible Markup Language
3.3 Terminology

The present document uses the term "qualifying property" for denoting a XML element that qualifies the signature, the

signed data objects, or the signer.

The present document uses the term "element" exclusively for denoting XML elements.

The present document uses the terms "container" or "element" for denoting XML elements that are containers of

qualifying properties (for instance QualifyingProperties, SignedProperties, or
UnsignedProperties).

The present document uses the term "attribute" exclusively for denoting XML attributes of XML elements.

Consequently, a qualifying property, being a XML element, can have (XML) attributes.

The present document uses the term "child element" exclusively in the context of XML content, for denoting an XML

element that is a child element of another XML element.
4 Additional XAdES levels without references to
validation data
4.1 Overview
The present document specifies a number of additional levels for XAdES.

Each level is generated by a different combination of the XAdES qualifying properties specified in

ETSI EN 319 312-1 [1], and incorporated to the XAdES signatures using one of the two mechanisms (direct or indirect

incorporation) described in clause 4.4 of ETSI EN 319 312-1 [1].

NOTE 1: Clause 4.3 defines four XAdES levels namely the XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and

XAdES-E-A built on XAdES-E-T. Normative Annex A defines levels of XAdES signatures incorporating

qualifying properties that encapsulate references to validation data and qualifying properties that

encapsulate time-stamp tokens on them.
ETSI
---------------------- Page: 6 ----------------------
7 Draft ETSI EN 319 132-2 V1.0.0 (2015-06)

NOTE 2: Names of XML elements in the namespace whose URI is http://www.w3.org/2000/09/xmldsig# will be

preceded in the present document by prefix ds. No other prefixes will be used in the present document

for identifying XAdES containers and/or XAdES qualifying properties, as their usage is not required for

unambiguously identifying the referenced XAdES container or XAdES qualifying property, regardless of

the namespace where they have been defined.

NOTE 3: The requirements on the presence and cardinality of the attributes for each XAdES signature level are

expressed in tables whose formats and semantics are as specified in clause 6.2.2 of

ETSI EN 319 132-1 [1].
4.2 General requirements

XAdES qualifying properties obsoleted by ETSI EN 319 132-1 [1] do not appear in the tables. Their cardinality shall be

0 and consequently, they shall not be incorporated in the signature.

Any XAdES signature of any of the levels specified in the present document shall contain at least one of the following

components with the specified contents:
• The SigningCertificateV2 signed qualifying property.

• The ds:KeyInfo element. If the SigningCertificateV2 qualifying property is incorporated to the

signature, no restrictions apply to this element. Otherwise, then the following restrictions apply:

- the ds:KeyInfo element shall include a ds:X509Data containing the signing certificate;

- the ds:KeyInfo element may also contain other certificates;

- the ds:SignedInfo element shall contain a ds:Reference element that ensures that the signing

certificate is actually signed.

NOTE: Signing the whole ds:KeyInfo locks the element: any addition of a certificate or validation data would

make signature validation fail. Applications can, alternatively, use XPath transforms for signing at least

the signing certificate, leaving the ds:KeyInfo element open for addition of new data after signing.

4.3 XAdES-E-BES, XAdES-E-EPES, XAdES-E-T signatures,
and XAdES-E-A signatures built on XAdES-E-T signatures

XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and XAdES-E-A built on XAdES-E-T signatures shall be XAdES

signatures whose qualifying properties satisfy the requirements specified in the present clause.

XAdES-E-EPES signatures are built on XAdES-E-BES signatures by adding one SignaturePolicyIdentifier

qualifying property.

XAdES-E-T signatures are built on XAdES-E-BES and XAdES-E-EPES signatures by adding one or more

SignatureTimeStamp qualifying properties.

XAdES-E-A signatures are built on XAdES-E-T, XAdES-E-C, XAdES-E-X (of Type 1 and of Type 2), XAdES-E-X-

Long, and XAdES-E-X-L (of Type 1 and of Type 2) signatures.

Annex A specifies XAdES-E-C, XAdES-E-X (of Type 1 and of Type 2), XAdES-E-X-Long, and XAdES-E-X-L (of

Type 1 and of Type 2) signatures, and XAdES-E-A signatures built on them.
ETSI
---------------------- Page: 7 ----------------------
8 Draft ETSI EN 319 132-2 V1.0.0 (2015-06)

Table 1: Requirements for XAdES-E-BES, XAdES-E-EPES, XAdES-E-T, and XAdES-E-A built on XAdES-E-T

Presence in Additional Reference
Elements/Qualifying Presence in Presence in Presence in
E-A level built Cardinality notes and
properties/Services E-BES level E-EPES level E-T level
on E-T level requirements
ETSI EN 319 132-1 [1],
SigningTime may be present may be present may be present may be present 0 or 1
clause 5.2.1
conditioned conditioned conditioned conditioned ETSI EN 319 132-1 [1],
SigningCertificateV2 0 or 1 a, b
presence presence presence presence clause 5.2.2
ETSI EN 319 132-1 [1],
CommitmentTypeIndication
may be present may be present may be present may be present ≥ 0
clause 5.2.3
ETSI EN 319 132-1 [1],
DataObjectFormat
may be present may be present may be present may be present ≥ 0
clause 5.2.4
ETSI EN 319 132-1 [1],
SignatureProductionPlaceV2
may be present may be present may be present may be present 0 or 1
clause 5.2.5
ETSI EN 319 132-1 [1],
SignerRoleV2
may be present may be present may be present may be present 0 or 1
clause 5.2.6
ETSI EN 319 132-1 [1],
CounterSignature may be present may be present may be present may be present
≥ 0
clause 5.2.7.2
ETSI EN 319 132-1 [1],
AllDataObjectsTimeStamp
may be present may be present may be present may be present ≥ 0 1
clause 5.2.8.1
IndividualDataObjectsTimeSta
ETSI EN 319 132-1 [1],
may be present may be present may be present may be present ≥ 0 1
clause 5.2.8.2
E-EPES: 1 ETSI EN 319 132-1 [1],
SignaturePolicyIdentifier clause 5.2.9
* shall be present may be present may be present E-BES, E-T, E-A: 2, 3
0 or 1
conditioned conditioned conditioned ETSI EN 319 132-1 [1],
SignaturePolicyStore
* 0 or 1 c
presence presence presence clause 5.2.10
E-BES, E-EPES: ETSI EN 319 132-1 [1],
d, e
clause 5.3
SignatureTimeStamp * * shall be present shall be present ≥ 0
1, 4
E-T, E-A: ≥ 1
conditioned ETSI EN 319 132-1 [1],
CertificateValues
* * * 0 or 1 f, g
presence clause 5.4.1
conditioned ETSI EN 319 132-1 [1],
AttrAuthoritiesCertValues
* * * 0 or 1 f, h
presence clause 5.4.3
conditioned ETSI EN 319 132-1 [1],
RevocationValues
* * * 0 or 1 i, j
presence clause 5.4.2
conditioned ETSI EN 319 132-1 [1],
AttributeRevocationValues * * * 0 or 1 i, k
presence clause 5.4.4
Service: incorporation of validation ETSI EN 319 132-1 [1],
* * * shall be provided - l, m
data for electronic time-stamps clause 5.5.1
SPO: conditioned ETSI EN 319 132-1 [1],
* * * ≥ 0 m
TimeStampValidationData
presence clause 5.5.1
SPO: certificate and revocation ETSI EN 319 132-1 [1],
conditioned
values embedded in the electronic * * * ≥ 0 m clause 5.5.1
presence
time-stamp itself
ETSI
---------------------- Page: 8 ----------------------
9 Draft ETSI EN 319 132-2 V1.0.0 (2015-06)
Presence in Additional Reference
Elements/Qualifying Presence in Presence in Presence in
E-A level built Cardinality notes and
properties/Services E-BES level E-EPES level E-T level
on E-T level requirements
E-BES, E-EPES, ETSI EN 319 132-1 [1],
ArchiveTimeStamp clause 5.5.2
* * * shall be present E-T: ≥ 0 n, o, p
E-A: ≥ 1
conditioned ETSI EN 319 132-1 [1],
RenewedDigest
* * * ≥ 0 q
presence clause 5.5.3
ETSI EN 319 132-1 [1],
CompleteCertificateRefsV2 * * * * 0 or 1 r
clause A.1.1
ETSI EN 319 132-1 [1],
AttributeCertificateRefsV2
* * * * 0 or 1 r, s
clause A.1.3
ETSI EN 319 132-1 [1],
CompleteRevocationRefs
* * * * 0 or 1
clause A.1.2
ETSI EN 319 132-1 [1],
...

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