FCC Record, Volume 25, No. 5, Pages 3497 to 4389, April 5 - April 23, 2010 Page: 4,285
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28. Encryption and Authentication. Both the MPAA and CableLabs have approved digital
transmission content protection over Internet protocol ("DTCP-IP") technology as an acceptable method
of content encryption to prevent content theft, and it is the content protection scheme used in the Digital
Living Network Alliance ("DLNA") standard. For these reasons, we believe that the DTCP-IP standard
would be a logical choice for content encryption and device authentication, and we seek comment on that
assessment. We also seek comment on whether it would be practical to give each navigation device its
own specific key.49 We believe that this could prevent a situation in which entire model classes of
navigation devices would need to be deauthorized in the event that a key were compromised." Should
the Commission select a party to administer the public key database in the same manner that the
Commission handled the white spaces database, or would the relevant industry parties be able to agree
on a third party to handle maintenance of a public key database? In the event that commenters are in
favor of a third party maintaining the public key database, we seek proposals regarding parties that can
handle that task. We seek comment on the ideas presented here with respect to encryption and
authentication. We seek comment also on any other proposals that could serve the encryption and
authentication functions in an AllVid-connected home network.
29. Content Ordering and Billing. At least one party has indicated that MVPDs need the ability
to verify that their subscribers have actually ordered pay-per-view and subscription content.52 What
specific methods could the AllVid and navigation device use to facilitate ordering of pay-per-view and
subscription content? We envision that the AllVid adapter would perform video rendering for the
purpose of verifying a subscriber's purchase of MVPD content such as Video on Demand ("VOD") or a
subscription service. We seek comment on these issues, including any other proposals that would allow
MVPDs to verify that a subscriber wishes to purchase a specific MVPD service.
30. Service Discovery. TiVo suggests that Universal Plug and Play ("uPnP") protocols would be
"an obvious technology choice for service discovery."" TiVo explains that the only protocols that the
Commission would need to adopt for service discovery are "gateway advertisement, which allows a
gateway to announce its presence to consumer devices on the home network, and service browsing, in
which a consumer device can browse and access the available services on the gateway."54 We seek
comment on TiVo's proposal and invite commenters to propose any other protocols that would allow a
navigation device to discover MVPD content on a home network with an AllVid adapter. For example, to
achieve the efficiencies that come with switched-digital video, devices attached to a cable network need
to inform the cable headend when a subscriber stops watching a program. What protocols would be
49 At its most basic level, authentication is a process by which "Party A" sends information that can be decrypted
only if"Party B" verifies its identity. This process is achieved by using a complex mathematical algorithm to
compare a publicly available "public key" number to a proprietary "private key" number known only to Party B. In
the navigation device context, authentication can be used by MVPDs to ensure that a device connected to the
network is authorized to access MVPD content and will respect the copy protection policies related to that content.
" Currently, all or a substantial percentage of devices made by a specific manufacturer may share an identical
private key. Therefore, if a single consumer electronics device is modified such that it no longer respects the content
protection policies related to that content, most or all of the devices sold by its manufacturer would have to be
deauthorized, or content sent to that device could be compromised. Providing each device with its own specific key
would allow deauthorization of individual devices, which would provide strong security without the need to
inconvenience other subscribers who own the same model of device.
' See Office of Engineering and Technology Invites Proposals fiom Entities Seeking to be Designated TV Band
Device Database Managers, 24 FCC Red 14136 (2009).
52 Letter from Linda Kinney, Vice President, Law and Regulation, Echostar Satellite, LLC, to Marlene H. Dortch,
Secretary, Federal Communications Commission, Attachment at 3 (Feb. 22, 2010).
3 TiVo Comments on NBP PN #27 at 13. Service discovery refers to the protocols that would be used for AllVid
adapters and navigation devices to seamlessly recognize each other on a home network.
.4 TiVo Comments on NBP PN #27 at 14 (emphasis in original).
Federal Communications Commission
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United States. Federal Communications Commission. FCC Record, Volume 25, No. 5, Pages 3497 to 4389, April 5 - April 23, 2010, book, April 2010; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc28495/m1/802/: accessed November 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.