2019-03-08 18:47:06 +00:00
|
|
|
---
|
|
|
|
|
title: "Welcome"
|
|
|
|
|
date: 2019-03-03T16:39:46+01:00
|
|
|
|
|
draft: false
|
|
|
|
|
chapter: 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](dns)
|
|
|
|
|
- [Custom challenge solvers](usage/library/writing-a-challenge-solver/)
|
|
|
|
|
- Certificate bundling
|
|
|
|
|
- OCSP helper function
|
|
|
|
|
|
|
|
|
|
|
2019-03-11 16:56:48 +00:00
|
|
|
lego introduced support for ACME v2 in [v1.0.0](https://github.com/go-acme/lego/releases/tag/v1.0.0).
|
|
|
|
|
If you still need to utilize ACME v1, you can do so by using the [v0.5.0](https://github.com/go-acme/lego/releases/tag/v0.5.0) version.
|
