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Videocrypt revival
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<blockquote data-quote="Captain Jack" data-source="post: 1022949" data-attributes="member: 243342"><p>What we (or rather [USER=410643]@fsphil[/USER]) are *attempting* to do is recreate a Videocrypt encoder based on the data we have from some of old VHS recordings from around August/September 1998. He has already extracted the relevant VBI data (which contains VC data) and injected it into a test signal, which has been fed into the Videocrypt decoder. The decoder is recognising this data and tries to 'decrypt' it (in turn encrypting it!) along with asking for the card for Sci Fi channel (where the VBI data was captured from).</p><p></p><p>[MEDIA=youtube]ES3FtPKCmhQ[/MEDIA]</p><p></p><p>The idea is to encrypt the video at source and feed it to the Videocrypt decoder...to actually decode it <img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png" class="smilie" loading="lazy" alt=":)" title="Smile :)" data-shortname=":)" /> Similar to my <a href="https://www.satellites.co.uk/forums/threads/analogue-nagravision-syster-encoder.171823/" target="_blank">Nagravision/Syster encoder</a> that creates a scrambled imaged, which can then be captured and decrypted but with Videocrypt and decrypting it at hardware level. </p><p></p><p>The card is required to a) get rid of the "please insert card" message and b) try to capture and analyse the cut points for the 'encrypted' video with the card in place. It's a big challenge but hey... if we can put a man on the Moon, then anything is possible.</p><p></p><p>Regarding entitlements, this is certainly true for DVB CAS systems but I am not sure whether that's the case with Videocrypt. Reason for saying this is because I had an old yellow card (one that I am asking for) that was active when I cancelled the subscription and went to uni. After coming back a year later, the card still worked, because it never received a kill signal from Sky, since the card wasn't in use. So I *believe* (but might be wrong) that any active yellow card should fit our needs.</p></blockquote><p></p>
[QUOTE="Captain Jack, post: 1022949, member: 243342"] What we (or rather [USER=410643]@fsphil[/USER]) are *attempting* to do is recreate a Videocrypt encoder based on the data we have from some of old VHS recordings from around August/September 1998. He has already extracted the relevant VBI data (which contains VC data) and injected it into a test signal, which has been fed into the Videocrypt decoder. The decoder is recognising this data and tries to 'decrypt' it (in turn encrypting it!) along with asking for the card for Sci Fi channel (where the VBI data was captured from). [MEDIA=youtube]ES3FtPKCmhQ[/MEDIA] The idea is to encrypt the video at source and feed it to the Videocrypt decoder...to actually decode it :) Similar to my [URL='https://www.satellites.co.uk/forums/threads/analogue-nagravision-syster-encoder.171823/']Nagravision/Syster encoder[/URL] that creates a scrambled imaged, which can then be captured and decrypted but with Videocrypt and decrypting it at hardware level. The card is required to a) get rid of the "please insert card" message and b) try to capture and analyse the cut points for the 'encrypted' video with the card in place. It's a big challenge but hey... if we can put a man on the Moon, then anything is possible. Regarding entitlements, this is certainly true for DVB CAS systems but I am not sure whether that's the case with Videocrypt. Reason for saying this is because I had an old yellow card (one that I am asking for) that was active when I cancelled the subscription and went to uni. After coming back a year later, the card still worked, because it never received a kill signal from Sky, since the card wasn't in use. So I *believe* (but might be wrong) that any active yellow card should fit our needs. [/QUOTE]
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