keytool

A certificate management utility included with Java. More information: https://docs.oracle.com/en/java/javase/20/docs/specs/man/keytool.html.

• Create a keystore:

keytool -genkeypair -v -keystore path/to/file.keystore -alias key_name

• Change a keystore password:

keytool -storepasswd -keystore path/to/file.keystore

• Change a key's password inside a specific keystore:

keytool -keypasswd -alias key_name -keystore path/to/file.keystore