Just to confirm I've read COSE Hash Envelope again, and still think it provides a useful alternative to detached payloads, notably for SCITT. I support advancing it to WGLC.
Thanks, -Cédric ________________________________ From: Amaury Chamayou <[email protected]> Sent: Wednesday, May 21, 2025 13:33 To: Steve Lasker <[email protected]>; Ivaylo Petrov <[email protected]>; [email protected] <[email protected]>; cose <[email protected]> Cc: Birkholz, Henk <[email protected]>; Orie Steele <[email protected]> Subject: [EXTERNAL] [COSE] Re: COSE Hash Envelope - request for WGLC You don't often get email from [email protected]. Learn why this is important<https://aka.ms/LearnAboutSenderIdentification> Empty email to give Cédrick a pointer he can reply to 🙂 ________________________________ From: Amaury Chamayou <[email protected]> Sent: 31 March 2025 09:48 To: Steve Lasker <[email protected]>; Ivaylo Petrov <[email protected]>; [email protected] <[email protected]>; cose <[email protected]> Cc: Birkholz, Henk <[email protected]>; Orie Steele <[email protected]> Subject: Re: COSE Hash Envelope - request for WGLC I have neither questions nor objections, but want to express support for moving to WGLC! Amaury ________________________________ From: Steve Lasker <[email protected]> Sent: 31 March 2025 09:28 To: Ivaylo Petrov <[email protected]>; [email protected] <[email protected]>; cose <[email protected]> Cc: Birkholz, Henk <[email protected]>; Orie Steele <[email protected]> Subject: [EXTERNAL] [COSE] COSE Hash Envelope - request for WGLC Hi folks, At 122, we presented draft 4 of COSE Hash Envelope<https://www.ietf.org/archive/id/draft-ietf-cose-hash-envelope-04.html>. We discussed proceeding with WGLC after we made a clarification of Pre-image-content-type (Label 259) and payload location (label 260). These have been applied and submitted as Draft 5<https://www.ietf.org/archive/id/draft-ietf-cose-hash-envelope-05.html> Draft 4-->5 Diff: https://author-tools.ietf.org/iddiff?url2=draft-ietf-cose-hash-envelope-05 * Label 259 (content type of the preimage of the payload) MAY be present in the protected header and MUST NOT be present in the unprotected header. * Label 260 (payload_location) MAY be present in the protected header and MUST NOT be present in the unprotected header. Are there any questions or objections to moving to WGLC? Thank you, Steve -----Original Message----- From: [email protected]<mailto:[email protected]> [email protected]<mailto:[email protected]> Sent: Friday, March 28, 2025 12:07 PM To: Henk Birkholz [email protected]<mailto:[email protected]>; Orie Steele [email protected]<mailto:[email protected]>; Steve Lasker [email protected]<mailto:[email protected]> Subject: New Version Notification for draft-ietf-cose-hash-envelope-05.txt A new version of Internet-Draft draft-ietf-cose-hash-envelope-05.txt has been successfully submitted by Steve Lasker and posted to the IETF repository. Name: draft-ietf-cose-hash-envelope Revision: 05 Title: COSE Hash Envelope Date: 2025-03-28 Group: cose Pages: 11 URL: https://www.ietf.org/archive/id/draft-ietf-cose-hash-envelope-05.txt Status: https://datatracker.ietf.org/doc/draft-ietf-cose-hash-envelope/ HTML: https://www.ietf.org/archive/id/draft-ietf-cose-hash-envelope-05.html HTMLized: https://datatracker.ietf.org/doc/html/draft-ietf-cose-hash-envelope Diff: https://author-tools.ietf.org/iddiff?url2=draft-ietf-cose-hash-envelope-05 Abstract: This document defines new COSE header parameters for signaling a payload as an output of a hash function. This mechanism enables faster validation as access to the original payload is not required for signature validation. Additionally, hints of the detached payload's content format and availability are defined providing references to optional discovery mechanisms that can help to find original payload content. The IETF Secretariat
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