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RFC 9802: Use of the HSS and XMSS Hash-Based Signature Algorithms in Internet X.509 Public Key Infrastructure

In plain English — editorial summary, not part of the RFC

This document specifies algorithm identifiers and ASN.1 encoding formats for the following stateful Hash-Based Signature (HBS) schemes: Hierarchical Signature System (HSS), eXtended Merkle Signature Scheme (XMSS), and XMSS^MT (a multi-tree variant of XMSS). This specification applies to the Internet X.509 Public Key Infrastructure (PKI) when digital signatures are used to sign certificates and certificate revocation lists (CRLs).

Document record

Document ID
RFC9802
Published
June 2025
Authors
D. Van Geest; K. Bashiri; S. Fluhrer; S. Gazdag; S. Kousidis
Status
PROPOSED STANDARD
Stream
IETF
Area
sec
Pages
30
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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

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canonical URL: /rfc/9802-use-of-the-hss-and-xmss-hash-based-signature-algorithms-in-internet-x-509-public