usage:
        iso:
                ps2classic d [cex/dex] [klicensee] [encrypted image] [out data] [out meta]
                ps2classic e [cex/dex] [klicensee] [iso] [out data] [real out name] [CID]
        vmc:
                ps2classic vd [cex/dex] [vme file] [out vmc] [(eid root key)]
                ps2classic ve [cex/dex] [vmc file] [out vme] [(eid root key)]