METHOD FOR PROVIDING ANONYMITY AUTHENTICATION SERVICE

摘要

PURPOSE: An anonymous authentication service method is provided to produce an expanded service like an anonymous payment service, etc by providing linkability to a global domain including a plurality of service providing domains. CONSTITUTION: An anonymous authentication service method includes a SetUp process(S200) and a service user joining process(S202). The anonymous authentication service includes a service provider joining process(S204) and a global region connector joining process(S206). The anonymous authentication service includes a group signature signing process(S208) and a group signature verification process(S210). The anonymous authentication service includes a service user tracking process(S212) and an anonymous ID opening process(S214). The anonymous authentication service includes a local-linking process(S216) and a local virtual index or signature information receiving process(S218). The anonymous authentication service includes a global virtual index acquisition process(S220) and a global connection process(S222).