Secure authentication and authorization management protocol for trusted digital content
可信数字内容安全认证与授权管理协议*

This paper proposed a secure authentication and authorization management protocol for trusted digital content for protecting the copyrights of digital content existing in form with text, image, audio, video and software. The proposed protocol realized secure authentication between digital entities, CA and digital content provider and secure control mechanisms based on PKI .In the meanwhile, realized a variety of digital content belongs to a provider authorization, migration and revocation based on dynamic license. The problem of digital content illegal use and diffusing was effectively solved.