= Glossary

API:: Application Programmer Interface.
CA:: Certificate Authority. An organization that issues certificates.
CR:: Custom Resource. An instance resource of a CRD. In other words, a resource of a kind that is not built into Kubernetes.
CRD:: Custom Resource Definition. A Kubernetes API for defining Kubernetes API extensions.
KMS:: Key Management System. A dedicated system for controlling access to cryptographic material, and providing operations which use that material.
mTLS:: Mutual Transport Layer Security. A configuration of TLS where the client presents a certificate to a server, which the server authenticates.
TLS:: The Transport Layer Security. A secure transport protocol where a server presents a certificate to a client, which the client authenticates. TLS was previously known as the Secure Sockets Layer (SSL).
TCP:: The Transmission Control Protocol.
