METHOD, SYSTEM, AND DEVICE FOR VERIFYING AUTHORIZED ISSUANCE OF A RIGHTS EXPRESSION

摘要

A method, system, and device for verifying authorized issuance of a statement or expression (303), including determining if a statement or expression is associated with a statement of trusted issuance (309); determining if the statement of trusted issuance applies (319); determining if issuance of the statement of trusted issuance is authorized; and verifying that the issuance of the statement or expression was authorized, if the statement of trusted issuance applies, and the issuance of the statement of trusted issuance is authorized (321).