Research on the Algorithm of Scrambling and Descrambling in DTV Conditional Access Technology
Yao Hong · China Digital Cable TV · 2009
According to the principle of conditional access of digital TV and MPEG2 protocol,this paper researches the algorithm of scrambling and descrambling based on cryptology,the study is beneficial for DVB members to understand the principle,and achieves pellucid scrambling,guarantee the safety of the transmission.