ETSI TS 119 312 V1.5.1 (2024-12)

Electronic Signatures and Trust Infrastructures (ESI); Cryptographic Suites

RTS/ESI-0019312v1.5.1

General Information

• Status: Not Published
• Technical Committee: ESI - Electronic Signatures and Trust Infrastructures
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Due Date: 26-Dec-2024
• Completion Date: 09-Dec-2024

Standards Content (Sample)

TECHNICAL SPECIFICATION
Electronic Signatures and Trust Infrastructures (ESI);
Cryptographic Suites
2 ETSI TS 119 312 V1.5.1 (2024-12)

Reference
RTS/ESI-0019312v1.5.1
Keywords
digital signature, security, trust services

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ETSI
3 ETSI TS 119 312 V1.5.1 (2024-12)
Contents
Intellectual Property Rights . 6
Foreword . 6
Modal verbs terminology . 6
Introduction . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 8
3 Definition of terms, symbols, abbreviations and notations . 9
3.1 Terms . 9
3.2 Symbols . 10
3.3 Abbreviations . 10
3.4 Notations . 11
4 Use of SOG-IS Agreed Mechanisms and Maintenance of the present document . 12
5 Hash functions . 12
5.1 General . 12
5.2 Recommendations for SHA hash functions . 12
5.2.1 SHA-512/256 . 12
6 Signature schemes . 13
6.1 Introduction . 13
6.2 Signature algorithms. 13
6.2.1 General . 13
6.2.2 Signature algorithms . 13
6.2.2.1 RSA . 13
6.2.2.2 DSA. 13
6.2.2.3 EC based DSA algorithms . 13
6.3 Key generation . 14
7 Signature suites . 14
7.1 Introduction . 14
7.2 General . 14
7.3 Signature suites . 15
8 Hash functions and key sizes suitability end dates . 15
8.1 Introduction . 15
8.2 Basis for the recommendations . 16
8.3 Void . 16
8.4 Recommended end dates for key sizes . 16
9 Life time and resistance of hash functions and keys . 17
9.1 General notes . 17
9.2 Time period resistance for hash functions . 17
9.3 Time period resistance for signer's key . 17
9.4 Time period resistance for trust anchors . 18
9.5 Time period resistance for other keys . 18
10 Practical ways to identify hash functions and signature algorithms . 18
10.1 General . 18
10.2 Hash function and signature algorithm objects identified using OIDs . 18
10.2.1 Introduction. 18
10.2.2 Hash functions . 19
10.2.3 Elliptic curves . 19
10.2.4 Signature algorithms . 19
10.2.5 Signature suites . 20
ETSI
4 ETSI TS 119 312 V1.5.1 (2024-12)
10.3 Hash function and signature algorithm objects identified using URIs . 20
10.3.1 Hash functions . 20
10.3.2 Signature algorithms . 20
10.3.3 Signature suites . 21
10.4 Recommended hash functions and signature algorithms objects without a URN description . 21
Annex A (normative): Algorithms for various data structures . 22
A.1 Introduction . 22
A.2 CAdES and PAdES . 22
A.3 XAdES . 23
A.4 Signer's certificates . 23
A.5 CRLs. 23
A.6 OCSP responses . 24
A.7 CA certificates . 24
A.8 Self-signed certificates for CA issuing CA certificates . 24
A.9 TSTs based on IETF RFC 3161 . 25
A.10 TSU certificates . 25
A.11 Self-signed certificates for CAs issuing TSU certificates . 25
Annex B (informative): Signature maintenance . 26
Annex C (informative): Machine processable formats of the Algo Paper . 27
C.1 JSON file location . 27
C.2 XML file location . 27
Annex D (informative): Discontinued al gorithms . 28
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