RFC 9802

Use of the HSS and XMSS Hash-Based Signature Algorithms in Internet X.509 Public Key Infrastructure, June 2025

File formats:

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Also available: XML file for editing
 
Status:
PROPOSED STANDARD
Authors:
D. Van Geest
K. Bashiri
S. Fluhrer
S. Gazdag
S. Kousidis
Stream:
IETF
Source:
lamps (sec)

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC9802

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Abstract

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).


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.




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