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CBOR Object Signing and Encryption (cose)

Document Date Status IPR AD/Shepherd
Active Internet-Drafts (5 hits)
22 pages
draft-ietf-cose-bls-key-representations-08
Barreto-Lynn-Scott Elliptic Curve Key Representations for JOSE and COSE
2025-11-04
I-D Exists
WG Document

108 pages
draft-ietf-cose-c509-test-vectors-00
Test Vectors for CBOR Encoded X.509 (C509) Certificates
2026-01-13
I-D Exists
WG Document

21 pages
draft-ietf-cose-falcon-04
FN-DSA for JOSE and COSE
2026-03-15
New
I-D Exists
WG Document
Jan 2026

80 pages
draft-ietf-cose-hpke-24
Use of Hybrid Public-Key Encryption (HPKE) with CBOR Object Signing and Encryption (COSE)
2026-03-14
New
I-D Exists
In WG Last Call : Proposed Standard
Jan 2026

17 pages
draft-ietf-cose-sphincs-plus-07
SLH-DSA for JOSE and COSE
2026-03-15
New
I-D Exists
WG Document
Jan 2026

Active with the IESG Internet-Drafts (4 hits)
88 pages
draft-ietf-cose-cbor-encoded-cert-17
CBOR Encoded X.509 Certificates (C509 Certificates)
2026-03-02
IESG Evaluation 16
IESG telechat: 2026-04-16
Submitted to IESG for Publication : Proposed Standard
Reviews: secdir IETF Last Call genart IETF Last Call dnsdir IETF Last Call secdir dnsdir artart IETF Last Call
Nov 2025
Action Holder: Paul Wouters
Christopher Inacio
Ivaylo Petrov
17 pages
draft-ietf-cose-dilithium-11
ML-DSA for JOSE and COSE
2025-11-15
RFC Ed Queue : EDIT 153
Submitted to IESG for Publication : Proposed Standard
Reviews: secdir genart opsdir IETF Last Call secdir IETF Last Call genart IETF Last Call
Jan 2026
Paul Wouters
Lucas Prabel
11 pages 2025-11-15
RFC Ed Queue : EDIT 145
Submitted to IESG for Publication : Proposed Standard
Reviews: secdir genart IETF Last Call secdir IETF Last Call
Jul 2025
Paul Wouters
Jon Geater
24 pages
draft-ietf-cose-merkle-tree-proofs-18
COSE (CBOR Object Signing and Encryption) Receipts
2025-12-02
RFC Ed Queue : AUTH48 AUTH48 193
Submitted to IESG for Publication : Proposed Standard
Reviews: genart IETF Last Call secdir IETF Last Call
Jun 2025
1 Paul Wouters
Ivaylo Petrov
RFCs (13 hits)
121 pages
RFC 8152
CBOR Object Signing and Encryption (COSE) Errata
2017-07
Proposed Standard RFC
Obsoleted by rfc9052, rfc9053
Kathleen Moriarty
15 pages
RFC 8778
Use of the HSS/LMS Hash-Based Signature Algorithm with CBOR Object Signing and Encryption (COSE)
2020-04
Proposed Standard RFC
Roman Danyliw
10 pages
RFC 8812
CBOR Object Signing and Encryption (COSE) and JSON Object Signing and Encryption (JOSE) Registrations for Web Authentication (WebAuthn) Algorithms
2020-08
Proposed Standard RFC
Murray Kucherawy
66 pages
RFC 9052
CBOR Object Signing and Encryption (COSE): Structures and Process Errata
2022-08
Internet Standard RFC
Updated by rfc9338
Part of STD 96
Barry Leiba
41 pages
RFC 9053
CBOR Object Signing and Encryption (COSE): Initial Algorithms Errata
2022-08
Informational RFC
Updated by rfc9864
Barry Leiba
9 pages
RFC 9054
CBOR Object Signing and Encryption (COSE): Hash Algorithms Errata
2022-08
Informational RFC
Murray Kucherawy
18 pages
RFC 9338
CBOR Object Signing and Encryption (COSE): Countersignatures Errata
2022-12
Internet Standard RFC
Part of STD 96
Roman Danyliw
12 pages
RFC 9360
CBOR Object Signing and Encryption (COSE): Header Parameters for Carrying and Referencing X.509 Certificates
2023-02
Proposed Standard RFC
Paul Wouters
10 pages
RFC 9459
CBOR Object Signing and Encryption (COSE): AES-CTR and AES-CBC
2023-09
Proposed Standard RFC
Paul Wouters
5 pages
RFC 9596
CBOR Object Signing and Encryption (COSE) "typ" (type) Header Parameter
2024-06
Proposed Standard RFC
Paul Wouters
6 pages
RFC 9597
CBOR Web Token (CWT) Claims in COSE Headers
2024-06
Proposed Standard RFC
Paul Wouters
13 pages
RFC 9679
CBOR Object Signing and Encryption (COSE) Key Thumbprint Errata
2024-12
Proposed Standard RFC
Paul Wouters
21 pages
RFC 9921
CBOR Object Signing and Encryption (COSE) Header Parameter for Timestamp Tokens as Defined in RFC 3161
2026-02
Proposed Standard RFC
Paul Wouters
Related Internet-Drafts and RFCs (7 hits)
20 pages 2025-12-15
I-D Exists

10 pages 2026-02-17
I-D Exists

28 pages
draft-lundberg-cose-two-party-signing-algs-07
Split Signing Algorithms for COSE
2026-03-19
New
I-D Exists

11 pages
draft-ochkas-cose-ascon-03
Ascon-AEAD128 for COSE and JOSE
2026-03-16
New
I-D Exists

23 pages
draft-reddy-cose-jose-pqc-hybrid-hpke-11
Post-Quantum and Hybrid KEMs for HPKE with JOSE and COSE
2026-02-15
I-D Exists

6 pages
draft-sipos-cose-cmac-00
AES-CMAC for COSE
2025-12-29
I-D Exists

17 pages
draft-tschofenig-cose-cwt-chain-03
CBOR Object Signing and Encryption (COSE): Header Parameters for Carrying and Referencing Chains of CBOR Web Tokens (CWTs)
2025-10-20
I-D Exists