lers

An async, user-friendly Let's Encrypt/ACMEv2 library written in Rust.

The API and implementation were inspired by acme2, acme-micro, and lego.

Features

• ACME v2 (RFC 8555)
• Register with CA
• Obtain certificates
• Robust implementation of ACME challenges
  • HTTP (http-01)
• SAN certificate support
• Custom challenge solvers ([Solver trait][])

Missing features

• [ ] Certificate renewal
• [ ] Certificate revocation
• [] challenge implementation
• [ ] Certificate bundling
• []

Contributions are welcome for any of the above features.