The problem is if HDCP is using encryption I would assume that they didn't mess up as badly with it as with the DVD encryption system, but I could be wrong. I have not seriously looked into it so I don't know what quality it has and if there is any realistic way of building your own adapter or what have you. Some company might build a dvi -> hdcp adapter since your not trying to decrypt a signal thats probably something that would be allowed. Still that company would likely need to sign a non disclosure agreement and pay various licensing fees and what have you. In fact trying to reverse engineer the encryption might in itself be breaking the law (DMCA) in America anyway..

In summary, I doubt building a converter is going to be practical. A converter, if one exists, or a video card like you said seems the best bet.

A quick search of hdcp on newegg returns one result (when only looking at video cards.)

http://www.newegg.com/app/viewProductDesc.asp?description=14-131-199&depa=0
$174 -- powercolor video card.
Integrated 165 MHz TMDS transmitter (DVI & HDCP compliant)

Will this work? Will this work in Linux? I have no idea to either, but perhaps its worth a closer look.


Dennis Oelkers wrote:

Hello folks,

although it's a bit off-topic, I have the following problem. I have the Samsung LE-32A41B 32" HDTV LCD, which
has both a VGA (BNC D-SUB) and a DVI-input. Because of the fact that I want to get the best result from it, (and
the additional d/a -> a/d conversions annoy me) I want to hook it up to my MythBox via DVI.


The sad thing is, that the LCD expects the "client" to speak HDCP, otherwise it won't display anything. Is there anyone
who had this kind of problem, and solved it in some way? Are there graphic adapters with a HDCP-capable DVI output?


Is it possible to build some kind of "adapter", which speaks HDCP? I read a bit of the HDCP 1.1 specification, and got
the impression, that it relies on keys supplied by Digital Content Protection LLC., so building of an adapter (or anything
that is supposed to speak HDCP) won't be that easy, is it true?


Kind regards,
               Dennis Oelkers

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