- From: Jeff Jaffe <jeff@w3.org>
- Date: Thu, 04 Jul 2013 01:15:14 -0400
- To: cobaco <cobaco@freemen.be>
- CC: public-restrictedmedia@w3.org
On 7/3/2013 8:05 PM, cobaco wrote: > On Wednesday, Wed, 2013/07/03, Jeff Jaffe wrote: >> On 7/3/2013 12:06 PM, cobaco wrote: >>> 2) "The key objective [of W3C] is to maximize interoperability and >>> openness The key objective is to maximize interoperability and openness >>> - values that have served us well" >>> >>> How do you figure DRM squares with that? >>> >>> DRM limits interoperability to 'authorised' devices/software, and >>> deliberately closes it to everyone else. >>> >>> This introduces a gatekeeper for clientside development where there >>> was none before. (The historical parallel is Ma Bell deciding which >>> machines you where allowed to connect to the telephone wire inside >>> your house, it was anti-social hubris then, it's still anti-social >>> hubris now) >>> >>> Note that DRM poses the exact same problems as non-royalty free >>> patents. >>> >>> For DRM the empowering factor is technical and not legal, but the >>> result in both cases is a gatekeeper that gets to decide which >>> implementations are blessed/allowed for actual use. >>> >>> Gatekeeper control is not compatible with the open web (hence W3C's >>> royalty free requirement at [4]) >>> >>> The issues of FLOSS with implementing DRM are simply the most obvious >>> consequence of that gatekeeper control. They're not the actual root >>> issue. > point 2 stands ignored? Point 2 asked me to square DRM with other principles. We have not supported DRM. I also pointed out in my blog that we are dealing with conflicting principles. > >>> 3) "Once a Working Group has been chartered with a particular scope" >>> >>> What's missing is the reasoning that establishes DRM as a valid >>> charter. >> See above. > wat you said above was : > >> We have said that the requirements that the Web and TV Interest Group have > brought forward, that premium content needs to be protected is a valid > requirement. > > this is a statement with no supporting reasoning > >>> Both your post and the director's mail you link to [2] basically boil >>> down to: "this was requested bij the Web and TV Interest Group and we >>> accepted that without further justification" >> We accepted the requirement because we understand that if organizations >> invest a great deal of money into creating premium content that it is >> sensible that they want to protect it. > finally something concreet > HOWEVER.... > > The widespread existence of piracy shows that DRM does not in fact protect > content, what it does do is: > - inconvenience users going through official channels > - enforce a technological gatekeeper control over which client > implementations are allowed to interact with which content (see the point 2 > above that you skipped answering) > > In other words the 'wanting to protect premium content' does not hold water > as a reason for EME in particular or DRM ingeneral We are open to better solutions. > > (general purpose computers, are made to access, copy and manipulate digital > information, trying to prevent that is trying to cripple the general purpose > computer, it tends to not work) > >>> Why is gatekeeper control over implementations of a standard >>> acceptable to the W3C when done through technologic means (CDM's) and >>> not when done through legal means (patents)? >>> >>> This is inconsistent and contradictory. > Reaction to this point jeff? > > The current stance is contradictionary: > - either the acceptance of (technologically based) gatekeepers in the form > of DRM as a requirement is faulty > - or the rejections of (legally based) gatekeepers in the form of royaltee- > requiring patents is. See above. > > They both cause the same issues for interoperability for non-gatekeeper- > blessed implementations. > >>> 3) "despite broad agreement that some form of content protection is >>> needed for the Web" >>> >>> What makes you think there is broad agreement that some form of >>> content protection is needed? >> The broad agreement referred to not only "premium content" but also >> general access control. > again: > content protection is not access control, > it's usage control > those 2 categories are fundamentally different beasts > > at present EME is quite clearly about usage control (that's why it allows > locking the browser out of protected content completely) > >>> AFAICT It's basically only Big Content that wants it, while everyone >>> else quite explicitly doesn't (as it makes their life more difficult) >>> >>> How do you figure this translates to 'broad concencus that content >>> protection is needed'? > having clarified that content protection is not acces control but usage > control, the question still stands > >>> 4) "he W3C Director has established [2] that work on content >>> protection for the Web is in scope for the HTML Working Group." >>> >>> That linked mail has a blatant dictorial declaration that 'this is in >>> scope of the working group'. >>> >>> The reasoning behind that declaration is completely missing. >> If you read through the threads on this list you will see the various >> reasons provided including improving interoperability > the spec explicitly allows restricting use of content to specific hardware or > software that's the anti-thesis of interoperability > >> reducing cost > yes, it offloads part of the cost and effort to convince users > - from the party insisting on DRM locks (where it belongs) > - to the W3C and browser developers > This is not a good thing, this is a problem. > >> improving security and accessibility. > the spec explicitly allows for the CDM to be a black box with hardware > access, that immediately invalidates any supposed 'improved security' > > (it does provide for improved 3th party control of the users computer, > content providers may see this as security, from the users point of view > this is an active attack vector) > > the spec explicitly allows a CDM to lock the browser completely out of the > content, consequently any chance for the browser to provide accesibility is > out of the window entirely > > How specifically would the aproval of EME improve security or accesibility? > I'm not seeing it, quite the contrary. > >>> 5) "Without content protection, owners of premium video content - >>> driven by both their economic goals and their responsibilities to >>> others - will simply deprive the Open Web of key content. Therefore, >>> while the actual DRM schemes are clearly not open, the Open Web must >>> accommodate them as best possible" >>> >>> I've already pointed out that Big Content is not in a position to >>> 'deprive the open web of key content'. >>> >>> Piracy is a fact of life on the Internet, that content is available >>> with or without their cooperation. >>> >>> In point of fact a lot of content is _only_ available via piracy to >>> much of the population (due to region locks on official big content >>> sites, due to bad technical implemenations excluding alternative >>> platforms, or due to complete non-availability of older/less popular >>> content through official channels) >>> >>> Therefore the point that 'the open web must accomodate them' is quite >>> obviously untrue: the open web is doing just fine without that >>> accomodation, there's no reason I know of to believe that will >>> magically change. >>> >>> Since the required accomodaton requires accepting DRM (and thus >>> accepting gatekeeper control of clientside development), W3C should >>> tell big content to go take a hike. > point 5 still stands > >>> 6) "A situation where premium content is relegated to applications >>> inaccessible to the Open Web or completely locked down devices would >>> be far worse for all." >>> >>> Given that the stated purpose of DRM is to lock down devices/software, >>> how do you square that with your support for DRM? >> See above. > Nothing above anwers that question, there's an (unexplained) contradiction: > > You can't both want to avoid completely locked down devices > and at the same time support a draft that explicitly introduces a path for > complete lockdown. > That's logically inconsistent. > -- > Cheers, Cobaco (aka Bart Cornelis) >
Received on Thursday, 4 July 2013 05:15:17 UTC