摘要
数字电视广播系统虽然有与互联网的类似安全防范机制,但在实现机制上更具有行业特点。对传输的节目信息进行加扰处理,对加扰的密钥进行多层次的加密处理,以及在认证授权上根据用户订阅的内容开通不同的服务。
Although the digital radio and TV system has a security and precaution mechanism similar to that of Internet, in implementation mechanism it has its trade characteristics. This paper introduces the scrambling of transmitted programme information, multilayered encryption of private keys, authentication, authorization and so on.
出处
《广播与电视技术》
北大核心
2002年第10期129-132,5,共4页
Radio & TV Broadcast Engineering
