What keytool support is available on z/OS?
keytool is a command line utility to manage and to manipulate a keystore. On z/OS, keytool is provided for keystore types supported by the IBMJCE provider and hwkeytool is provided for keystore types supported by the IBMJCECCA provider. Both include the functions defined by the Java specification, and both include extensions to that specification. For more information about keytool, see Java SDK 5 keytool or Java SDK 6 keytool documentation.