Extension Name,Extension Syntax and Reference,Mapping to X.509 Certificate Extension
keyUsage,"[RFC9115, Appendix A]","[RFC5280, Section 4.2.1.3]"
extendedKeyUsage,"[RFC9115, Appendix A]","[RFC5280, Section 4.2.1.12]"
subjectAltName,"[RFC9115, Appendix A]","[RFC5280, Section 4.2.1.6] (note that only specific name formats are allowed: URI, DNS name, email address)"