...
Compliant Solution (jarsigner)
Users can ����������‚�š�š�š�š����������€š�š�š�š������������€š�š�š�š�š�����������‚�š�š�š�š�? but usually do not ����������‚�š�š�š�š����������€š�š�š�š������������€š�š�š�š�š�����������‚�š�š�š�š�? explicitly check JAR file signatures at the command line. This may be an adequate solution for programs that require manual installation of JAR files. Any malicious tampering results in a SecurityException when the jarsigner tool is invoked with the -verify option.
...