lego/docs/content/_index.md

title	date	draft	chapter
Welcome	2019-03-03T16:39:46+01:00	false	true

Lego

Let's Encrypt client and ACME library written in Go.

Features

• Register with CA
• Obtain certificates, both from scratch or with an existing CSR
• Renew certificates
• Revoke certificates
• Robust implementation of all ACME challenges
  • HTTP (http-01)
  • DNS (dns-01)
  • TLS (tls-alpn-01)
• SAN certificate support
• Comes with multiple optional [DNS providers]({{< ref "dns" >}})
• [Custom challenge solvers]({{< ref "usage/library/Writing-a-Challenge-Solver" >}})
• Certificate bundling
• OCSP helper function

lego introduced support for ACME v2 in v1.0.0.

If you still need to utilize ACME v1, you can do so by using the v0.5.0 version.