Automatic Certificate Management Environment (ACME) Onion v3 Identifier Validation Extension

Document Type Expired Internet-Draft (individual)
Author Roland Shoemaker 
Last updated 2021-01-09 (latest revision 2020-07-08)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document specifies identifiers and challenges required to enable the Automatic Certificate Management Environment (ACME) to issue certificates for Onion Addresses as specified in Tor Rendezvous Specification - Version 3.


Roland Shoemaker (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)