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https://github.com/shred/acme4j
Java client for ACME (Let's Encrypt)
https://github.com/shred/acme4j
acme-protocol java-client letsencrypt
Last synced: about 1 month ago
JSON representation
Java client for ACME (Let's Encrypt)
- Host: GitHub
- URL: https://github.com/shred/acme4j
- Owner: shred
- License: apache-2.0
- Created: 2015-12-04T17:40:00.000Z (about 9 years ago)
- Default Branch: master
- Last Pushed: 2024-10-21T05:11:21.000Z (about 2 months ago)
- Last Synced: 2024-10-21T08:04:41.745Z (about 2 months ago)
- Topics: acme-protocol, java-client, letsencrypt
- Language: Java
- Homepage: https://acme4j.shredzone.org
- Size: 2.81 MB
- Stars: 517
- Watchers: 24
- Forks: 94
- Open Issues: 5
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: LICENSE-APL.txt
Awesome Lists containing this project
- awesome-java-security - ACME4J - Java ACME client for issuing X.509 certificates using Let's Encrypt or another ACME based CA. (Cryptography)
README
# ACME Java Client  
This is a Java client for the _Automatic Certificate Management Environment_ (ACME) protocol as specified in [RFC 8555](https://tools.ietf.org/html/rfc8555).
ACME is a protocol that a certificate authority (CA) and an applicant can use to automate the process of verification and certificate issuance.
This Java client helps connecting to an ACME server, and performing all necessary steps to manage certificates.
## Features
* Mature and stable code base. First release was in December 2015!
* Fully [RFC 8555](https://tools.ietf.org/html/rfc8555) compliant
* Supports the `http-01`, `dns-01`, and `tls-alpn-01` ([RFC 8737](https://tools.ietf.org/html/rfc8737)) challenges
* Supports [RFC 8738](https://tools.ietf.org/html/rfc8738) IP identifier validation
* Supports [RFC 8739](https://tools.ietf.org/html/rfc8739) short-term automatic certificate renewal (experimental)
* Supports [RFC 8823](https://tools.ietf.org/html/rfc8823) for S/MIME certificates (experimental)
* Supports [RFC 9444](https://tools.ietf.org/html/rfc9444) for subdomain validation
* Supports [draft-ietf-acme-ari-06](https://www.ietf.org/archive/id/draft-ietf-acme-ari-06.html) for renewal information (experimental)
* Easy to use Java API
* Requires JRE 11 or higher
* Supports [Buypass](https://buypass.com/), [Google Trust Services](https://pki.goog/), [Let's Encrypt](https://letsencrypt.org/), [SSL.com](https://www.ssl.com/), [ZeroSSL](https://zerossl.com/), and all other CAs that comply with the ACME protocol (RFC 8555). Note that _acme4j_ is an independent project that is not supported or endorsed by any of the CAs.
* Built with maven, packages available at [Maven Central](http://search.maven.org/#search|ga|1|g%3A%22org.shredzone.acme4j%22)
* Extensive unit and integration tests
* Adheres to [Semantic Versioning](https://semver.org/)
## Dependencies
* [Bouncy Castle](https://www.bouncycastle.org/)
* [jose4j](https://bitbucket.org/b_c/jose4j/wiki/Home)
* [slf4j](http://www.slf4j.org/)
* For `acme4j-smime`: [Jakarta Mail](https://eclipse-ee4j.github.io/mail/), [Bouncy Castle](https://www.bouncycastle.org/)
## Usage
* See the [online documentation](https://shredzone.org/maven/acme4j/) about how to use _acme4j_.
* For a quick start, have a look at [the source code of an example](https://shredzone.org/maven/acme4j/example.html).
## Announcements
Follow our Mastodon feed for release notes and other acme4j related news.
* Mastodon: `@[email protected]`
* RSS: https://foojay.social/@acme4j.rss
## Contribute
* Fork the [Source code at GitHub](https://github.com/shred/acme4j). Feel free to send pull requests (see [Contributing](CONTRIBUTING.md) for the rules).
* Found a bug? [File a bug report!](https://github.com/shred/acme4j/issues)
## License
_acme4j_ is open source software. The source code is distributed under the terms of [Apache License 2.0](http://www.apache.org/licenses/LICENSE-2.0).
## Donate
If you would like to support my work on _acme4j_, you can do so on at [GitHub Sponsors](https://github.com/sponsors/shred) or at [Ko-Fi](https://ko-fi.com/shredzone). Thank you!
## Acknowledgements
* I would like to thank Brian Campbell and all the other [jose4j](https://bitbucket.org/b_c/jose4j/wiki/Home) developers. _acme4j_ would not exist without your excellent work.
* Thanks to [Daniel McCarney](https://github.com/cpu) for his help with the ACME protocol, Pebble, and Boulder.
* [Ulrich Krause](https://github.com/eknori) for his help to make _acme4j_ run on IBM Java VMs.
* I also like to thank [everyone who contributed to _acme4j_](https://github.com/shred/acme4j/graphs/contributors).
* The Mastodon account is hosted by [foojay.io](https://foojay.io).