Cooperation type (huederetetsudo) method and the system for certifying with the user decision in environment

摘要

Topic Single sainon certification functional method because of kurosudomein, offer the system or computer program product.SolutionsAs for the user, one or it is possible to make a contract with plural certification service providers ANSP. In order electronic commerce service provider ECSP of the online bank and the online merchant etc in the same way, for ECSP is guaranteed to be able to rely on certification user identification from ANSP of representation of the user, the relationship with ANSP is maintained. As for the user, ECSP of specification it can visit the optional electronic commerce service provider inside necessary dying and cooperation which establish transcendental relationship type environment. If the domain of ECSP, has had at least one relationship among the certification service providers of the user, as for the user, with that ECSP, it can experience single sainon.