Hash Of Root Key Certificate Extension

Document Type Replaced Internet-Draft (individual)
Author Russ Housley 
Last updated 2018-09-03 (latest revision 2018-03-02)
Replaced by RFC 8649
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Expired & archived
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IESG IESG state Replaced by draft-ietf-lamps-hash-of-root-key-cert-extn
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document specifies a certificate extension that is carried in the self-signed certificate for a trust anchor, which is often called a Root Certification Authority (CA) certificate, to identify the next public key that will be used by the trust anchor.


Russ Housley (housley@vigilsec.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)