I need any one to extract cw keys from local earth network encrypted with ( nds ) system

I need from any one to extract cw keys from local earth network encrypted with (videoguard) system The coverage of this local network is 50 km This is record file with TS format for encrypted channel with videoguard system The long time of record is 35 minutes This is link of record https://www.mediafire.com/file/718ec...6%255D.ts/file Please help me to extract cw keys for this channel And thank you very much

explain what mean exactly