How do you programmatically sign jar files in Java?

Question

Has anyone done this before? The only reference I have found on google has been: http://onjava.com/onjava/2001/04/12/signing_jar.html which still uses sun.* classes that wil

Answer 1

To address a sudden change of security restrictions in WebStart applications in Java 7u45 we have created a simple signed jar file generator. It uses Guava 15 and Bouncy Castle bcpkix module. It should run on Java 6 & 7. It is suitable for small files only. Use it for any purpose you want.