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+# Shared PGP Certificate Directory for Java
+
+This repository contains implementations of the [Shared PGP Certificate Directory](https://sequoia-pgp.gitlab.io/pgp-cert-d/) specification using [PGPainless](https://pgpainless.org) as backend.
+
+The module `pgpainless-cert-d` can be used as a drop-in implementation of
+`pgp-certificate-store`.
+
+The module `pgpainless-cert-d-cli` contains a command line application for
+OpenPGP certificate management.