{"draft":"draft-ietf-lamps-x509-shbs-13","doc_id":"RFC9802","title":"Use of the HSS and XMSS Hash-Based Signature Algorithms in Internet X.509 Public Key Infrastructure","authors":["D. Van Geest","K. Bashiri","S. Fluhrer","S. Gazdag","S. Kousidis"],"format":["HTML","TEXT","PDF","XML"],"page_count":"30","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Limited Additional Mechanisms for PKIX and SMIME","abstract":"This document specifies algorithm identifiers and ASN.1 encoding\r\nformats for the following stateful Hash-Based Signature (HBS)\r\nschemes: Hierarchical Signature System (HSS), eXtended Merkle\r\nSignature Scheme (XMSS), and XMSS (a multi-tree variant of XMSS). \r\nThis specification applies to the Internet X.509 Public Key\r\nInfrastructure (PKI) when digital signatures are used to sign\r\ncertificates and certificate revocation lists (CRLs).","pub_date":"June 2025","keywords":["HSS","LMS","XMSS","certificate","X.509","PKIX","stateful","hash-based"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC9802","errata_url":null}