Thursday, 4 July 2013

Java – Keytool – Export a X.509 Certificate against a Key in a KeyStore

 

Open a console/command prompt (in admin mode if on windows), ‘cd’ to your JDK’s bin directory (if you do not have the JDK’s bin setup in your PATH) and run following command:

NOTE – Following command was named -export in previous releases. This old name is still supported in this release and will be supported in future releases, but for clarify the new name, -exportcert, is preferred going forward.

Once you run above command, it will create a new file (if not already exists) at following location:

Windows : %JAVA_HOME%\bin\test-key.cer

Linux/Mac/Solaris : $Java_HOME/bin/test-key.cer

When you open the certificate file in notepad or any other plain text editor, it will look like:

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