Signing Java files with Jarsigner

Jarsigner is a tool provided with the Java Development Kit (JDK) to digitally sign Java files with the following extensions.

• .ear

• .jar

• .sar

• .war

See below for how to sign these files with Jarsigner and the keys managed by the Entrust Signing Automation service.

To sign JAVA files with Jarsigner

1. Configure a service subscription as explained in Managing tokens with Entrust Certificate Services cloud.

2. On your computer, install:

   • The Signing Automation Client, as explained in Downloading the Signing Automation Client.

   • The latest Java Development Kit (JDK) available at https://www.oracle.com/java/technologies/downloads

3. Follow the steps described below.

   • Configuring Jarsigner

   • Running Jarsigner