Yggdrasil.Net - minecraft auth server Setup server and client to use custom auth Client side HMCLauncher Server side AuthLib injector X509 certs for signing generation cd /files/certs openssl genrsa 4096 > private.pem openssl req -x509 -new -key private.pem -out public.pem openssl pkcs12 -export -in public.pem -inkey private.pem -out cert.pfx