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RFC 9995
Title: CBOR Object Signing and Encryption (COSE) Hash Envelope
Author: O. Steele,
S. Lasker,
H. Birkholz
Status: Proposed Standard
Stream: IETF
Date: July 2026
Mailbox: [email protected],
[email protected],
[email protected]
Pages: 8
I-D Tag: draft-ietf-cose-hash-envelope-10
URL: https://www.rfc-editor.org/info/rfc9995
DOI: 10.17487/RFC9995
This document defines new CBOR Object Signing and Encryption (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 hashed payload's
content format and availability are defined, providing references to optional
discovery mechanisms that can help to find the original payload content.
This document is a product of the CBOR Object Signing and Encryption Working
Group of the IETF.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and
suggestions for improvements. Distribution of this memo is unlimited.
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