goacme/lego repository overview

ACME client and library written in Go.

⁠Features

• ACME v2 RFC 8555⁠
• 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
• Custom challenge solvers⁠
• 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.

⁠Documentation

Documentation is hosted live at https://go-acme.github.io/lego/⁠.

If your DNS provider is not supported, please open an issue⁠.