diff --git a/README.md b/README.md
index f103b42..17be199 100644
--- a/README.md
+++ b/README.md
@@ -16,19 +16,22 @@ I want to thanks and credit:
 * `zeripath` for the [Java Gitea API](https://github.com/zeripath/java-gitea-api) I used first to communicate with Gitea's instance before facing ssl and JDK 11 compliance issues. 
 * Contributors to the [GitHub Mylyn Connector](https://github.com/eclipse/egit-github) which helps me to understand how I can make GUI of the plugin different.
 
-## Authentication
+## Release Signature & Authentication
 
-Starting with version 0.3.0, the *Mylyn/Gitea Tasks Connector* plugin will be signed with a self-signed certificate. 
-In addition to this _internal_ signature, a detached GPG signature is provided for all files associated with the release (including this README) in the `gpg/` directory,
-more over all commits in *Mylyn/Gitea Tasks Connector* related repositories are also now signed.
+Starting with version 0.3.0, the *Mylyn/Gitea Tasks Connector* plugin will be signed with a _Java_ self-signed certificate. 
 
-Self-signed certificate finger print: `E3:7E:0A:ED:28:70:36:3C:E3:B5:D4:F4:3C:FE:23:30:AF:52:5E:C6:1A:D5:86:15:87:FA:0B:92:D3:B0:C0:A1`
+In addition to the _internal_ signature, a detached GPG signature will be provided for all files associated with the release, including this README and the certificate public key, in the `gpg/` directory.
+More over all commits in *Mylyn/Gitea Tasks Connector* related repositories are also now *git-signed*.
 
-GPG key finger print: `F9B4 EC90 120D 8584 397F D876 2A76 6910 298F 3874`
+Self-signed certificate properties:
+* Finger print: `E3:7E:0A:ED:28:70:36:3C:E3:B5:D4:F4:3C:FE:23:30:AF:52:5E:C6:1A:D5:86:15:87:FA:0B:92:D3:B0:C0:A1`
+* Public key certificate file in PEM format (selfsigned.pem)[https://teilginn.github.io/mylyn-gitea-updatesite/selfsigned.pem) or DER format (selfsigned.der)[https://teilginn.github.io/mylyn-gitea-updatesite/selfsigned.der)
 
-If you want to verify the release in front of GPG, the public key file is available from *Mylyn/Gitea Tasks Connector Update Site [2A766910298F3874.asc](https://teilginn.github.io/mylyn-gitea-updatesite/2A766910298F3874.asc)
-or from the different Git repositories used to develop the plugin :
+GPG key properties:
+* finger print: `F9B4 EC90 120D 8584 397F D876 2A76 6910 298F 3874`
+* GPG public key file [2A766910298F3874.asc](https://teilginn.github.io/mylyn-gitea-updatesite/2A766910298F3874.asc)
 
+In addition to *Mylyn/Gitea Tasks Connector Update Site* GPG public key file is available from the different Git repositories used to develop the plugin :
 * Update Site sources [main repository](https://forge.chapril.org/gitea/mylyn-gitea-updatesite/src/commit/457a618b438b6a712221cfabae80aa799df83135/2A766910298F3874.asc) and [Github mirror](https://raw.githubusercontent.com/teilginn/mylyn-gitea-updatesite/master/2A766910298F3874.asc)
 * Plugin sources [main branch](https://forge.chapril.org/gitea/mylyn-gitea/src/commit/9322d65b8baae36f173163ac8a04852cf1fe07c4/2A766910298F3874.asc)
 
diff --git a/selfsigned.der b/selfsigned.der
new file mode 100644
index 0000000..85cea76
Binary files /dev/null and b/selfsigned.der differ
diff --git a/selfsigned.pem b/selfsigned.pem
new file mode 100644
index 0000000..f9cfef4
--- /dev/null
+++ b/selfsigned.pem
@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----