Last updated: April 2022
We recently fielded a high volume of questions about how to obtain a TLS/SSL certificateÌýfor a .onion address. This blog post should provide basic answers to queries regarding .onion certificates.
As of 2015, .onion is recognized as a special-use domain by the IESG, which means they can be secured with TLS certificates. (Previously .onion was considered an internal name.) Publicly trusted certificates authenticate organizations to Tor users and are an essential part to fighting phishing and MITM attacks. The CA/B Forum outlined guidelines for vetting .onion names, which you can read .
The Tor project is dedicated to helping users browse the web anonymously. However, getting a TLS certificate toÌýidentify yourself (or an organization) to users is not about anonymity. This makes ordering a TLS certificate for a .onion site a complicatedÌýprocess, which is why ÃÛÌÒTV adheres to the . When ordering a .onion certificate, make sure to remember the following:
To purchase a certificate for your .onion site, simply order an EV TLS or EV Multi-Domain TLS certificate and fill out theÌýorder form.