Tsukuba-GAMA provides user and credential management, using the Grid Security Infrastructure (GSI) based on Public Key Infrastructure (PKI), X.509 certificate, proxy certificate, and the concept of Virtual Organization (VO).
GPODCS is a Certification Authority developed in the ESA Grid Processing On Demand (gpod.eo.esa.int) project. It offers a PKI infrastructure and GSI authorization management. GPODCS is portable, reliable, easy to install, configure and personalize.