[COSE] Protocol Action: 'CBOR Object Signing and Encryption (COSE): Countersignatures' to Internet Standard (draft-ietf-cose-countersign-10.txt)
The IESG <iesg-secretary@ietf.org> Tue, 20 September 2022 23:02 UTC
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Date: Tue, 20 Sep 2022 16:02:29 -0700
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Subject: [COSE] Protocol Action: 'CBOR Object Signing and Encryption (COSE): Countersignatures' to Internet Standard (draft-ietf-cose-countersign-10.txt)
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The IESG has approved the following document: - 'CBOR Object Signing and Encryption (COSE): Countersignatures' (draft-ietf-cose-countersign-10.txt) as Internet Standard This document is the product of the CBOR Object Signing and Encryption Working Group. The IESG contact persons are Paul Wouters and Roman Danyliw. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-cose-countersign/ Technical Summary Concise Binary Object Representation (CBOR) is a data format designed for small code size and small message size. CBOR Object Signing and Encryption (COSE) defines a set of security services for CBOR. This document defines a countersignature algorithm along with the needed header parameters and CBOR tags for COSE. This document updates RFC 9052. Working Group Summary The WG thought long and hard about what result they wanted, and ultimately the decision to remove countersignatures from RFC8152bis-struct was made in a mature and well reasoned fashion. Jim Schaad led process, and this documents is among the last that he authored. Document Quality There is an implementation status in the Internet-draft, and it includes only an implementation in Java and C# by Jim Schaad. While CBOR, and COSE, particularly COSE_Sign1 is widely implemented, the use of counter signatures is a niche solution to unique situations. OSCORE (RFC8613) is a user of countersignatures in their original, non-ambiguous formulation. Personnel Document Shepherd: Michael Richardson Responsible Area Director: Roman Danyliw