SIST EN 319 412-4 V1.2.1:2022

• Abstract:

  The present document specifies a certificate profile for web site certificates that are accessed by the TLS protocol [i.1]. ; The profile defined in the present document builds on the CA/Browser Forum Baseline requirements [2], Extended ; validation guidelines [3] and other parts of the present multipart deliverable. ; The present document focuses on requirements on certificate content. Requirements on decoding and processing rules ; are limited to aspects required to process certificate content defined in the present document. Further processing ; requirements are only specified for cases where it adds information that is necessary for the sake of interoperability. ; This profile can be used for legal and natural persons. For certificates issued to legal persons, the profile builds on the ; CAB Forum EV Profile [3] or baseline requirements [2]. For certificates issued to natural persons, the profile builds ; only on CAB Forum baseline requirements [2].

• Status: Published
• Public Enquiry End Date: 31-Oct-2021
• Publication Date: 23-Nov-2021
• ICS: 03.080.99 - Other services
• ICS: 35.040.01 - Information coding in general
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 15-Nov-2021
• Due Date: 20-Jan-2022
• Completion Date: 24-Nov-2021
• Mandate: M/460
• Ref Project: ETSI EN 319 412-4 V1.2.1 (2021-11) - Electronic Signatures and Infrastructures (ESI); Certificate Profiles; Part 4: Certificate profile for web site certificates

Overview

SIST EN 319 412-4 V1.2.1:2022 defines certificate profiles for website certificates accessed via the TLS (Transport Layer Security) protocol. Developed by the Slovenian Institute for Standardization (SIST), this standard aligns with European and international best practices for electronic signatures, trust services, and secure web communications. Building on frameworks such as the CA/Browser Forum Baseline Requirements and Extended Validation (EV) guidelines, the standard specifies the necessary content and structure for website certificates to ensure security, interoperability, and trust across digital platforms in both public and private sectors.

Key Topics

• Certificate Profile Requirements: The standard details the fields, extensions, and semantic identifiers necessary for generating and issuing compliant web site certificates.
• Alignment with CA/Browser Forum: It incorporates and references the latest Baseline Requirements and EV Guidelines to maximize acceptance by browsers and trust service providers.
• Qualified Certificates: Provides clear guidance on the additional requirements for EU Qualified Certificates, including the use of QCStatements and policy identifiers consistent with EU legislation.
• Legal and Natural Persons: Defines the distinct requirements for certificates issued to legal entities versus individuals, leveraging different standards where applicable.
• Interoperability: Focus is given to ensuring certificates are compatible with both European regulatory contexts and global internet security infrastructure.

Applications

SIST EN 319 412-4 V1.2.1:2022 is widely used in scenarios demanding high security and assurance in website communications. Typical applications include:

• Public Web Servers: Ensures server certificates are trusted by browsers and meet the latest compliance expectations, protecting user data through secure TLS connections.
• Trust Service Providers: Certification authorities (CAs) issuing website certificates can demonstrate compliance to both EU and international requirements, supporting cross-border digital trust.
• E-Government and E-Services: Supports public sector authorities in deploying secure, standards-based digital services for citizens and businesses.
• Regulatory Compliance: Facilitates adherence to EU Regulation No 910/2014 (eIDAS) and other trust framework laws regarding electronic identification and signature services.
• Extended Validation Certificates: Supports issuance of EV certificates that provide enhanced identity assurance to website visitors.

Related Standards

The effectiveness and interoperability of SIST EN 319 412-4 V1.2.1:2022 are enhanced through its relationship with several other key standards:

• ETSI EN 319 412-1: Overview and common data structures for certificate profiles.
• ETSI EN 319 412-2: Certificate profiles for certificates issued to natural persons.
• ETSI EN 319 412-3: Certificate profiles for certificates issued to legal persons.
• ETSI EN 319 412-5: Specification of QCStatements for qualified certificates.
• ETSI EN 319 411-1 & EN 319 411-2: Policy and security requirements for trust service providers issuing certificates (including EU qualified certificates).
• CA/Browser Forum Baseline Requirements: Industry rules for publicly trusted TLS/SSL certificate issuance and management.
• CA/Browser Forum EV Guidelines: Criteria for Extended Validation of website identity.
• IETF RFC 5280: X.509 Public Key Infrastructure Certificate and CRL Profile, underpinning global trust for secure communications.
• IETF RFC 5246: TLS Protocol Version 1.2, which defines the secure communication protocol used by certificates.

Practical Value

Adopting SIST EN 319 412-4 V1.2.1:2022 ensures high assurance, security, and regulatory compliance for websites and certificate issuers. It enables consistent implementation of website certificate profiles, strengthens trust in digital transactions, and helps organizations meet both local (EU/eIDAS) and international security requirements. By following these guidelines, stakeholders can ensure that digital identities are robustly protected and internationally recognized, fostering safer online environments for all users.

Draft ETSI EN 319 412-4 V1.2.0 (2021-08)

EUROPEAN STANDARD
Electronic Signatures and Infrastructures (ESI);
Certificate Profiles;
Part 4: Certificate profile for web site certificates

2 Draft ETSI EN 319 412-4 V1.2.0 (2021-08)

Reference
REN/ESI-0019412-4v121
Keywords
electronic signature, IP, profile, security, trust
services
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

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 prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
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
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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.

© ETSI 2021.
All rights reserved.
ETSI
3 Draft ETSI EN 319 412-4 V1.2.0 (2021-08)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
Introduction . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 7
3 Definition of terms, symbols and abbreviations . 7
3.1 Terms . 7
3.2 Symbols . 7
3.3 Abbreviations . 7
4 Profile requirements . 7
4.1 Generic profile requirements . 7
4.1.1 Certificates following DVCP, IVCP or OVCP . 7
4.1.2 Certificates following EVCP or QEVCP-w . 8
4.1.3 Certificates following NCP or QNCP-w . 8
4.2 EU Qualified Certificate statements for Certificates following QEVCP-w or QNCP-w . 8
4.3 Certificate policies for Certificates following QEVCP-w or QNCP-w . 8
Annex A (informative): Change history . 9
History . 10

ETSI
4 Draft ETSI EN 319 412-4 V1.2.0 (2021-08)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its

Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of the ®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
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 4 of multi-part deliverable covering the Certificates Profiles. Full details of the entire
series can be found in part 1 [i.5].

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.
ETSI
5 Draft ETSI EN 319 412-4 V1.2.0 (2021-08)
Introduction
ITU and ISO issued standards for certification of public keys in ITU X.509 | ISO/IEC 9594-8 [i.4] which are used for
the security of communications and data for a wide range of electronic applications.
Regulation (EU) No 910/2014 [i.3] of the European Parliament and of the Council of 23 July 2014 on electronic
identification and trust services for electronic transactions in the internal market and repealing Directive 1999/93/EC
defines requirements on specif
...

EUROPEAN STANDARD
Electronic Signatures and Infrastructures (ESI);
Certificate Profiles;
Part 4: Certificate profile for web site certificates

2 ETSI EN 319 412-4 V1.2.1 (2021-11)
Reference
REN/ESI-0019412-4v121
Keywords
electronic signature, IP, profile, security, trust
services
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: [phone]  Fax: [phone]
Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
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 prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
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
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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.
© ETSI 2021.
All rights reserved.
ETSI
3 ETSI EN 319 412-4 V1.2.1 (2021-11)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
Introduction . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 7
3 Definition of terms, symbols and abbreviations . 7
3.1 Terms . 7
3.2 Symbols . 7
3.3 Abbreviations . 7
4 Profile requirements . 7
4.1 Generic profile requirements . 7
4.1.1 Certificates following DVCP, IVCP or OVCP . 7
4.1.2 Certificates following EVCP or QEVCP-w . 8
4.1.3 Certificates following NCP or QNCP-w . 8
4.2 EU Qualified Certificate statements for Certificates following QEVCP-w or QNCP-w . 8
4.3 Certificate policies for Certificates following QEVCP-w or QNCP-w . 8
Annex A (informative): Change history . 9
History . 10

ETSI
4 ETSI EN 319 412-4 V1.2.1 (2021-11)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its

Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of the ®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This European Standard (EN) has been produced by ETSI Technical Committee Electronic Signatures and
Infrastructures (ESI).
The present document is part 4 of multi-part deliverable covering the Certificates Profiles. Full details of the entire
series can be found in part 1 [i.5].

National transposition dates
Date of adoption of this EN: 9 November 2021
Date of latest announcement of this EN (doa): 28 February 2022
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 August 2022
Date of withdrawal of any conflicting National Standard (dow): 31 August 2022

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.
ETSI
5 ETSI EN 319 412-4 V1.2.1 (2021-11)
Introduction
ITU and ISO issued standards for certification of public keys in ITU X.509 | ISO/IEC 9594-8 [i.4] which are used for
the security of communications and data for a wide range of electronic applications.
Regulation (EU) No 910/2014 [i.3] of the European Parliament and of the Council of 23 July 2014 on electronic
identification and trust services for electronic transactions in the internal market and repealing Directive 1999/93/EC
defines requirements on specific types of certificates named "qualified certificates". Implementation of
...

SLOVENSKI STANDARD
01-januar-2022
Elektronski podpisi in infrastruktura (ESI) - Profili potrdil - 4. del: Profil potrdila za
potrdila za spletna mesta
Electronic Signatures and Infrastructures (ESI) - Certificate Profiles - Part 4: Certificate
profile for web site certificates
Ta slovenski standard je istoveten z: ETSI EN 319 412-4 V1.2.1 (2021-11)
ICS:
03.080.99 Druge storitve Other services
35.040.01 Kodiranje informacij na Information coding in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
Electronic Signatures and Infrastructures (ESI);
Certificate Profiles;
Part 4: Certificate profile for web site certificates

2 ETSI EN 319 412-4 V1.2.1 (2021-11)
Reference
REN/ESI-0019412-4v121
Keywords
electronic signature, IP, profile, security, trust
services
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: [phone]  Fax: [phone]
Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
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 prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
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
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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.
© ETSI 2021.
All rights reserved.
ETSI
3 ETSI EN 319 412-4 V1.2.1 (2021-11)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
Introduction . 5
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 7
3 Definition of terms, symbols and abbreviations . 7
3.1 Terms . 7
3.2 Symbols . 7
3.3 Abbreviations . 7
4 Profile requirements . 7
4.1 Generic profile requirements . 7
4.1.1 Certificates following DVCP, IVCP or OVCP . 7
4.1.2 Certificates following EVCP or QEVCP-w . 8
4.1.3 Certificates following NCP or QNCP-w . 8
4.2 EU Qualified Certificate statements for Certificates following QEVCP-w or QNCP-w . 8
4.3 Certificate policies for Certificates following QEVCP-w or QNCP-w . 8
Annex A (informative): Change history . 9
History . 10

ETSI
4 ETSI EN 319 412-4 V1.2.1 (2021-11)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its

Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of the ®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This European Standard (EN) has been produced by ETSI Technical Committee Electronic Signatures and
Infrastructures (ESI).
The present document is part 4 of multi-part deliverable covering the Certificates Profiles. Full details of the entire
series can be found in part 1 [i.5].

National transposition dates
Date of adoption of this EN: 9 November 2021
Date of latest announcement of this EN (doa): 28 February 2022
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 August 2022
Date of withdrawal of any conflicting National Standard (dow): 31 August 2022

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.
ETSI
5 ETSI EN 319 412-4 V1.2.1 (2021-11)
Introduction
ITU and ISO issued standards for certification of public keys in ITU X.509 | ISO/IEC 9594-8 [i.4] which are used for
the security of communications a
...