AS207960 Cyfyngedig The document defines extensions to the Automated Certificate Management Environment (ACME) to allow for the automatic issuance of certificates to Tor hidden services (".onion" Special-Use Domain Names). Discussion This note is to be removed before publishing as an RFC. Source for this draft and an issue tracker can be found at https://github.com/AS207960/acme-onion. The project website and a reference implementation can be found at https://acmeforonions.org.