@misc{rfc9802, series = {Request for Comments}, number = 9802, howpublished = {RFC 9802}, publisher = {RFC Editor}, doi = {10.17487/RFC9802}, url = {https://www.rfc-editor.org/info/rfc9802}, author = {Daniel Van Geest and Kaveh Bashiri and Scott Fluhrer and Stefan-Lukas Gazdag and Stavros Kousidis}, title = {{Use of the HSS and XMSS Hash-Based Signature Algorithms in Internet X.509 Public Key Infrastructure}}, pagetotal = 30, year = 2025, month = jun, 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\textasciicircum{}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).}, }