CmdID / Commands
jarsigner
Sign and verify Java archive (.jar) files. tldr-pages
On several platforms
Sign a .jar file
jarsigner path/to/file.jar keystore_aliasIdentify
Sign a .jar file with a specific algorithm
jarsigner -sigalg algorithm path/to/file.jar keystore_aliasIdentify
Verify the signature of a .jar file
jarsigner -verify path/to/file.jarIdentify