会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 9. 发明申请
    • Method for providing pay-TV service based on session key
    • 基于会话密钥提供付费电视服务的方法
    • US20050144634A1
    • 2005-06-30
    • US10971167
    • 2004-10-22
    • Han-Seung KooO-Hyung KwonSoo-In Lee
    • Han-Seung KooO-Hyung KwonSoo-In Lee
    • H04K1/00H04L9/00H04N7/167
    • H04N21/63775H04N7/1675H04N21/2347H04N21/2543H04N21/26613H04N21/2668H04N21/4405H04N21/4627H04N21/47211H04N21/6581H04N21/8355
    • Disclosed is a method for providing a pay-TV service based on a session key. The method includes the steps of: selecting a desired pay event using a program guide displayed on a system of the subscriber and achieving a subscriber private key; filling out a service application based on service information, signing the service application based on a digital signature scheme and encrypting the digital signed service application; transmitting the encrypted service application to a broadcasting station and waiting a response of the broadcasting station; receiving a session key and a subscription authority message from the broadcasting station, decrypting the session key and the subscription authority message and verifying the digital signature; decrypting a channel key, achieving a control word, descrambling event audio/video streams and watching the event; and if the event is terminated or the session key is not effective, stopping watching the event and deleting the session key.
    • 公开了一种基于会话密钥提供付费电视服务的方法。 该方法包括以下步骤:使用在订户的系统上显示的节目指南来选择所需的付费事件并实现用户私钥; 基于服务信息填写服务应用程序,基于数字签名方案签署服务应用程序,加密数字签名服务应用程序; 将加密的服务应用发送到广播站并等待广播电台的响应; 从广播站接收会话密钥和订阅授权消息,解密会话密钥和订阅授权消息并验证数字签名; 解密通道密钥,实现控制字,解扰事件音频/视频流并观看事件; 如果事件终止或会话密钥无效,则停止观察事件并删除会话密钥。