Path Segment,Description,Reference
p,"Indicates that the next path segment specifies, e.g.,
        a CA or certificate profile name",[RFC9811][RFC9482]
initialization,Enrolling an End Entity to a New PKI over HTTP,"[RFC9483, Section 4.1.1]"
certification,Enrolling an End Entity to a Known PKI over HTTP,"[RFC9483, Section 4.1.2]"
keyupdate,Updating a Valid Certificate over HTTP,"[RFC9483, Section 4.1.3]"
pkcs10,Enrolling an End Entity Using a PKCS #10 Request over HTTP,"[RFC9483, Section 4.1.4]"
revocation,Revoking a Certificate over HTTP,"[RFC9483, Section 4.2]"
getcacerts,Get CA Certificates over HTTP,"[RFC9483, Section 4.3.1]"
getrootupdate,Get Root CA Certificate Update over HTTP,"[RFC9483, Section 4.3.2]"
getcertreqtemplate,Get Certificate Request Template over HTTP,"[RFC9483, Section 4.3.3]"
getcrls,CRL Update Retrieval over HTTP,"[RFC9483, Section 4.3.4]"
nested,Batching Messages over HTTP,"[RFC9483, Section 5.2.2.2]"
ir,Enrolling an End Entity to a New PKI over CoAP,"[RFC9483, Section 4.1.1]"
cr,Enrolling an End Entity to a Known PKI over CoAP,"[RFC9483, Section 4.1.2]"
kur,Updating a Valid Certificate over CoAP,"[RFC9483, Section 4.1.3]"
p10,Enrolling an End Entity Using a PKCS #10 Request over CoAP,"[RFC9483, Section 4.1.4]"
rr,Revoking a Certificate over CoAP,"[RFC9483, Section 4.2]"
crts,Get CA Certificates over CoAP,"[RFC9483, Section 4.3.1]"
rcu,Get Root CA Certificate Update over CoAP,"[RFC9483, Section 4.3.2]"
att,Get Certificate Request Template over CoAP,"[RFC9483, Section 4.3.3]"
crls,CRL Update Retrieval over CoAP,"[RFC9483, Section 4.3.4]"
nest,Batching Messages over CoAP,"[RFC9483, Section 5.2.2.2]"
ann,The path to send a GET request with the CoAP Observe Option to register for CMP announcement messages.,[RFC9482]