jarsigner

Sign and verify Java Archive (JAR) files. More information: https://docs.oracle.com/javase/9/tools/jarsigner.htm.

Sign a JAR file:

jarsigner {{path/to/file.jar}} {{keystore_alias}}

Sign a JAR file with a specific algorithm:

jarsigner -sigalg {{algorithm}} {{path/to/file.jar}} {{keystore_alias}}

Verify the signature of a JAR file:

jarsigner -verify {{path/to/file.jar}}