Encryption Key Derivation in the Cryptographic Message Syntax (CMS) Using HKDF with SHA-256
RFC 9709

Received changes through RFC Editor sync (created document RFC 9709, created became rfc relationship between draft-ietf-lamps-cms-cek-hkdf-sha256 and RFC 9709, set title to 'Encryption Key Derivation in the Cryptographic Message Syntax (CMS) Using HKDF with SHA-256', set abstract to 'This document specifies the derivation of the content-encryption key or the content-authenticated-encryption key in the Cryptographic Message Syntax (CMS) using the HMAC-based Extract-and-Expand Key Derivation Function (HKDF) with SHA-256.  The use of this mechanism provides protection against an attacker that manipulates the content-encryption algorithm identifier or the content-authenticated-encryption algorithm identifier.', set pages to 13, set standardization level to Proposed Standard, added RFC published event at 2025-01-10)