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New Section "HDCP ROADMAP EXPLANATION" is needed

Having looked at this article I am still mystified by HDCP. We need a Roadmap Explanation, stating what happens at what point done by what circuitry or computer software.

A Transmitter of RF Signal at TV Station. Does this insert HDCP?

Does a cable service insert HDCP into its RF transmitter?

B RF Signal through Air: Is HDCP protocol a part of the RF signal?

Or does the RF signal through the cable system contain HDCP protocol as part of the cable RF signal?

C TV Tuner / Cable Box: Does the TV Tuner have a circuit or software that generates the HDCP query?

D HDMI cable: Does the HDMI cable have inserted into it a microchip or a circuit to generate & receive HDCP query? (This seems unlikely since HDMI cables are very cheap.)

E HDMI Splitter: Does an HDMI splitter inserted into the HDMI pathway have in itself an HDCP answer device to complete a handshake with the HDCP query?

F HDMI SINK (TV set, monitor, DVR) Does the sink have an HDCP query responder to complete or refuse a handshake with the HDCP query source?

My experiment: I hooked an HDMI cable to the HDMI output of a Philips DVR. The HDMI cable went to a 1x2 splitter. Then I hooked 2 monitors to the dual outputs of the splitter, both monitors HDCP compliant -- result was a picture on both monitors. Then I unhooked one monitor & instead ran the 2nd HDMI splitter output to a converter box that converts HDMI to Component Video. Then I hooked that converter's component output to the input on a Component input monitor which was HDCP compliant. That monitor also gave a component video input picture. Then I inserted a Component splitter into the component line, running the component signal thru the splitter to the same monitor - and I got a picture. Then I added a component cable to the 2nd output on the component splitter & ran it to the component input on a DVR; but though I was still seeing pictures on the HDMI monitor & on the Component monitor, the Component input DVR did not get the signal & record it. The component video DVR is a rare model made before there was HDMI, capable of handling no greater resolution than 720P.

I would like that this article have enough precise (but not overly technical) information to explain this. It seems that the HDCP could detect through the HDMI to Component converter through the Component cable to the component monitor, that the component monitor was HDCP compliant, though running an analog signal. (This monitor has both HDMI & Component inputs, but I was using Component input.) But at the same time seems the HDCP could also detect that I had attached to the second output of the Component splitter a component line going to an HDCP non-compliant Component input DVR & deny a signal to it while feeding a signal to the 1st output of the component splitter. (PeacePeace (talk) 02:31, 12 August 2018 (UTC))[reply]

Does Not This Article Require Drastic Revision in View of old citations?

2018 observation: It would appear that a lot of this article is supported by ancient citations; thus it needs updating. It seems probable that this article will require carefully dated statements (never present tense or "currently") since HDCP seems to be a matter of cyber war between over-protectors of intellectual property and hackers. Things that were true a few months ago may be false now. (PeacePeace (talk) 02:46, 12 August 2018 (UTC))[reply]

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+== New Section "HDCP ROADMAP EXPLANATION" is needed ==
-== Article Quality ==
+Having looked at this article I am still mystified by HDCP.  We need a Roadmap Explanation, stating what happens at what point done by what circuitry or computer software.
-I'm fairly uninformed about this topic, which is why I was browsing this article, but this article is horrible. It does not present a neutral point of view, which is obvious by the bold text in the intro. It also uses frequent weasel words and makes unsubstantiated claims, again in the intro. This article needs serious clean-up and an admin should ban shodaddy from editing; it's clear he does not represent and informed, non-biased opinion of the topic. I would try to clean the article up, but I don't know enough. I only know that by reading the article it's obvious this is not a reputable article. I'm going to add a "clean-up" tag, although, I'm almost certain shodaddy will remove it before clean-up is done. [[Special:Contributions/204.155.56.3|204.155.56.3]] ([[User talk:204.155.56.3|talk]]) 21:20, 20 February 2008 (UTC)
-:I second that motion. "Furthering the gap between the rich and poor?" That belongs in an article about marxism, not one about digital technology. [[User:Cheezmeister|Cheezmeister]] ([[User talk:Cheezmeister|talk]]) 19:49, 24 February 2008 (UTC)
-:: Agreed. I just stripped out all the political bollocks, Undoubtedly some anti-copyright zealot will be along shortly to add it back in again, but there you go - one can but try. [[User:Ianbetteridge|Ianbetteridge]] ([[User talk:Ianbetteridge|talk]]) 15:47, 25 February 2008 (UTC)
+:A Transmitter of RF Signal at TV Station. Does this insert HDCP?
-== Addition? ==
+Does a cable service insert HDCP into its RF transmitter?
+:B RF Signal through Air:  Is HDCP protocol a part of the RF signal?
+::Or does the RF signal through the cable system contain HDCP protocol as part of the cable RF signal?
+:C TV Tuner / Cable Box:  Does the TV Tuner have a circuit or software that generates the HDCP query?
+:D HDMI cable:  Does the HDMI cable have inserted into it a microchip or a circuit to generate & receive HDCP query? (This seems unlikely since HDMI cables are very cheap.)
+:E HDMI Splitter:  Does an HDMI splitter inserted into the HDMI pathway have in itself an HDCP answer device to complete a handshake with the HDCP query?
+:F HDMI SINK (TV set, monitor, DVR) Does the sink have an HDCP query responder to complete or refuse a handshake with the HDCP query source?
+My experiment: I hooked an HDMI cable to the HDMI output of a Philips DVR.  The HDMI cable went to a 1x2 splitter. Then I hooked 2 monitors to the dual outputs of the splitter, both monitors HDCP compliant -- result was a picture on both monitors.  Then I unhooked one monitor & instead ran the 2nd HDMI splitter output to a converter box that converts HDMI to Component Video.  Then I hooked that converter's component output to the input on a Component input monitor which was HDCP compliant. That monitor also gave a component video input picture.  Then I inserted a Component splitter into the component line, running the component signal thru the splitter to the same monitor - and I got a picture.  Then I added a component cable to the 2nd output on the component splitter & ran it to the component input on a DVR; but though I was still seeing pictures on the HDMI monitor & on the Component monitor, the Component input DVR did not get the signal & record it.  The component video DVR is a rare model made before there was HDMI, capable of handling no greater resolution than 720P.
-I think it should be added that "The vulnerability shown by Crosby et al requires knowing 40 linearly independent private keys." Thus (in a realistic case), more than 40 keys (HDCP devices) need to be compromised to disable the key revocation scheme, cf. http://www.angelfire.com/realm/keithirwin/HDCPAttacks.html. {{unsigned|130.233.173.28|10:24, February 24, 2006}}
+I would like that this article have enough precise (but not overly technical) information to explain this.  It seems that the HDCP could detect through the HDMI to Component converter through the Component cable to the component monitor, that the component monitor was HDCP compliant, though running an analog signal. (This monitor has both HDMI & Component inputs, but I was using Component input.)  But at the same time seems the HDCP could also detect that I had attached to the second output of the Component splitter a component line going to an HDCP non-compliant Component input DVR & deny a signal to it while feeding a signal to the 1st  output of the component splitter.  ([[User:PeacePeace|PeacePeace]] ([[User talk:PeacePeace|talk]]) 02:31, 12 August 2018 (UTC))
-== Started cleaning up ==
+== Does Not This Article Require Drastic Revision in View of old citations? ==
-Took a look at the DRM issue, content or stream protection is more accurate. Also did a lot of searching in the license agreement and corrected entry to reflect language present in that document.
+observation:  It would appear that a lot of this article is supported by ancient citations; thus it needs updating. It seems probable that this article will require carefully dated statements (never present tense or "currently") since HDCP seems to be a matter of cyber war between over-protectors of intellectual property and hackers.  Things that were true a few months ago may be false now.  ([[User:PeacePeace|PeacePeace]] ([[User talk:PeacePeace|talk]]) 02:46, 12 August 2018 (UTC))
-Moved cryptanalysis down for readability.
-I plan to tackle the spec and use scenarios next, upon first look they also have some factual errors.
-[[User:Dcpexpert|Dcpexpert]] ([[User talk:Dcpexpert|talk]]) 23:20, 24 January 2008 (UTC)
-== Dead link ==
-One of the references (Niels Ferguson bit towards the end) says it's a dead link, but it actually redirects to an unsavory site now.  What's the best way of removing the link without removing the information about when and where the site was accessed for use in the article? --[[User:W0lfie|W0lfie]] ([[User talk:W0lfie|talk]]) 17:37, 7 February 2008 (UTC)
-== More cleaning ==
-I moved some items around for browsability. There were a lot of major chunks of text, trying to add some structure.  <small>—Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[User:Dcpexpert|Dcpexpert]] ([[User talk:Dcpexpert|talk]] • [[Special:Contributions/Dcpexpert|contribs]]) 23:34, 18 February 2008 (UTC)</small><!-- Template:Unsigned --> <!--Autosigned by SineBot-->
-== Destructive edits by Shodaddy ==
-I have been working to clean up this entry and get it up to Wiki standards. Moving Shodaddy's criticisms to appropriate sections and cleaning up the language and attempting to cite his claims. Each time I move things around and clean it up he simply pastes the same thing in again once I have already moved it to where it belongs and polished it up some. What is the next course of action? [[User:Dcpexpert|Dcpexpert]] ([[User talk:Dcpexpert|talk]]) 16:09, 19 February 2008 (UTC)
-Try reporting abuse with the wikipedia editors? This article is one of the worst I have ever seen on wikipedia.  <small>—Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[Special:Contributions/128.104.160.81|128.104.160.81]] ([[User talk:128.104.160.81|talk]]) 22:00, 22 February 2008 (UTC)</small><!-- Template:UnsignedIP --> <!--Autosigned by SineBot-->
-I've asked Shodaddy to cease the edits via their Talk page. I'm hoping they will discuss the issue, either here or there, but if they refuse to do so I'd suggest we treat the comments as vandalism: they're so clearly outside NPOV, and the campaign of reverts is so clear, that unless there's discussion I can only assume the edits are destructive. [[User:Ianbetteridge|Ianbetteridge]] ([[User talk:Ianbetteridge|talk]]) 15:59, 25 February 2008 (UTC)
-=== A related AFD discussion ===
-Please comment on [[Wikipedia:Articles for deletion/Hdcp stripper]] for what appears to be the standard edits from [[User:Shodaddy]]. -- [[User:KelleyCook|KelleyCook]] ([[User talk:KelleyCook|talk]]) 18:16, 2 March 2008 (UTC)