In Java™ 2 SDK (J2SDK), Standard Edition, version 1.2 or higher, the keytool creates public and private key pairs, self-signed certificates, and manage keystores. In J2SDK, the jarsigner and keytool tools replace the javakey tool. It is compatible with the keytool that is supplied by Sun Microsystems, Inc.
The keytool is available using the Qshell Interpreter.
For more information about the keytool, see the keytool by Sun Microsystems, Inc.