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RFC 10031
Title: Media Access Control (MAC) Addresses in X.509 Certificates
Author: R. Housley,
C. Bonnell,
J. Mandel,
T. Okubo,
M. StJohns
Status: Proposed Standard
Stream: IETF
Date: August 2026
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 14
I-D Tag: draft-ietf-lamps-macaddress-on-07
URL: https://www.rfc-editor.org/info/rfc10031
DOI: 10.17487/RFC10031
This document defines a new GeneralName.otherName for inclusion in the X.509
Subject Alternative Name (SAN) and Issuer Alternative Name (IAN) extensions to
carry an IEEE Media Access Control (MAC) address. The new name form makes it
possible to bind a Layer 2 interface identifier to a public key certificate.
Additionally, this document defines how constraints on this name form can be
encoded and processed in the X.509 Name Constraints extension (NCE).
This document is a product of the Limited Additional Mechanisms for PKIX and
SMIME 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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