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Slot per cam lg with Common Interface module Inthe Common Interface also called -CI is a technology which allows decryption of pay TV channels.
Pay TV stations want to choose which encryption method to use.
The Slot per cam lg Interface allows TV manufacturers to support many different pay TV stations, by allowing to plug in exchangeable CAM for various encryption schemes.
The Common Interface is the connection between the TV tuner TV or and the module that decrypts the TV signal CAM.
This module, in turn, then accepts the pay-to-view subscriber card, which contains the access keys and permissions.
The host TV or is responsible for tuning to pay TV channels and demodulation of the signal, while CAM is responsible for CA descrambling.
The Common Interface allows them to communicate with each other.
All Common Interface equipment must comply with the EN 50221-1997 standard.
This is a defined standard that enables the addition of a CAM in a to adapt it to different kinds of.
The EN 50221 specification allows many types of modules but only the CAM has found popularity because of the market.
Indeed, one of Digital Video Broadcasting's main strengths is the option of implementing the required conditional access capability on the Common Interface.
This allows broadcasters to use modules containing solutions from different suppliers, thus increasing their choice of anti-piracy options.
The CI uses the connector and conforms to the CSAthe normative that specifies that such a receiver must be able to accept DES keys in intervals of some milliseconds, and use them to decode private channels according to a specific algorithm.
Those algorithms are proprietary to individual suppliers.
Each one uses their own algorithms and there is no defined standard for them.
As the full transport data stream comes out of the demodulator, and error correction units, the sends it through the card plugged into the Common Interface, before it is processed by the MPEG demultiplexer in the receiver.
If several CI cards are present, the MPEG transport data stream will be passed sequentially through all these cards.
An embedded CAM may not physically exist, as it may be in CPU software.
In such a case, only the reader normally in the CAM is fitted and not the PCMCIA type CI slots.
Even if the Common Interface has been created to resolve cryptography issues, it can have other functions using other types of modules such as, and so forth.
In Europe, DVB-CI is obligatory in all iDTV terminals.
The host sends an encrypted to the and the CAM sends the decrypted transport stream back to the host.
The CAM often contains a smart-card reader.
The specification only defines two aspects, two logical interfaces to be included on the same physical interface.
The first interface is the Transport Stream.
The link and physical layers are defined in this specification and the higher layers are defined in the specifications.
The second interface, the command interface, carries commands between the host receiver and the module.
The specification does not define the operation or functionality of a conditional access system application on the module.
The applications that may be performed by a module communicating across the interface are not limited to conditional access or to those described in this specification.
More than one module may be supported concurrently.
The common interface shares many features of the Standard.
By reducing the widths of the address and data busses it has been possible to include a bi-directional parallel transport stream interface.
This communication is in the form of a layered protocol stack which allows the host and module to share resources.
For example, the module slot per cam lg request the current date and time from the host.
To use this service, module shall open a session to the "Date-Time" resource provided by host.
Or, module can ask the host to display a message on the TV screen and can then read keypresses from the host remote control.
This is done by opening a session to host's Man-Machine Interface MMI Resource.
This resource also allows the CAM to request and receive PIN numbers.
Some of defined by DVB-CI resources are de facto optional.
For example, the host could contain a modem for communication over a telephone line allowing the CAM to implement pay-per-view.
This can be done by opening a session to host's Low-Speed Communication LSC resource assuming that the host announced the availability of this resource.
The Host Control resource allowing CAM to request force-tuned also may be absent in some of hosts.
The definitely mandatory resources are Resource Manager, Application Information and Conditional Access Support ones.
First two of these three are necessary for initial handshaking between CAM and its Host, while the CA Support resource is necessary for descrambling the selected channels.
The Command Interface is extensible and there are several specification documents available which describe these extensions e.
ETSI TS 101 699.
However these extensions have often not proved visit web page with manufacturers.
The main addition introduced by CI+ is a form of copy protection between a CI+ referenced by the spec as CICAM, while CI+ CAM seems to be a more precise abbreviation and the television receiver Host.
CI+ is backward compatible with DVB-CIv1.
Old television receivers, which have CIv1 CI-slot, can be used with CI+ CAM and vice versa, but for viewing only those of TV programs which are not marked as CI+ protected.
A first draft of the specification was put up for review in January 2008 as V1.
The establishment here the Trusted Authority has been completed and an official security certification lab appointed.
In 2009, versions 1.
The main features added to the original DVB-CI standard by the CI+ V1.
The spec doesn't state explicitly about each feature if it is mandatory or optional.
The mandatory feature as it's actually the main raison d'être of CI+ is Content Slot car race sets walmart />The optional feature of V1.
The main features added by CI+ V1.
In 2014, DVB released ETSI TS 103 205 V1.
The main more info added by ETSI TS 103 205 V1.
The main evolution of this version is to add USB as physical layer to replace the aging PC Card interface.
This SAC is used to generate a shared key, unique per a CAM-Host pair, which protects from unauthorized copying the content marked in the associated URI Usage Rules Info as a content which needs to learn more here re-encrypted on its way from CAM to Host after removal the original CA or DRM scrambling in the original CI standard, decrypted content could be sent over the interface only in unscrambled form.
This is done by broadcasting a Service Operator Certificate Revocation List SOCRL in a data carousel.
If CAM detects that its Host's ID, model or brand is listed slot per cam lg SOCRL and isn't listed in optional SOCWL - Service Operator Certificate White Listthe CAM must refuse descrambling the content marked in CI+ URI as protected.
A SOCRL is created and signed by the CI+ Root-of-Trust on request of a Service Operator.
To prevent replay of out-of-dated SOCRL and SOCWL, they must be broadcast in combination with RSD Revocation Signaling Data table which specifies the last versions of SOCRL and SOCWL and their location in the DSM-CC data carousel.
The RSD also must be signed.
Support of or interactive TV engines is optional.
In September 2009 the first batch of 15,000 Shenzhen State Micro Technology Co.
CI+ CAMs was offered by various Dutch retailers, followed in October 2009 by the first batch of Neotion CAMs.
Other supporters include Canal+, and conditional access companies Irdeto and Conax.
In 2009, NDS now announced that it will support to deploy CI+ to its customers.
In 2014, CI+ CAMs with CA, manufactured by were deployed atKDGKBW,etc.
Some problems were solved by upgrading the firmware of the TV, other were solved by simply replacing in many cases under warranty the motherboard.
Some older models needed a firmware update.
All incompatibility problems were solved by software and firmware updates, or sometimes by using a CI+ card or module with other firmware.
All models produced after early 2011 are fully compatible with CI+.
Newer Vestel based TV sets are marking the fact they are CI+ certified in their SHOP MODE or DEMO MODEwhich is mentioning, beside other features, the CI+ compatibility no matter DVB-T, DVB-C, DVB-Sor simply by a sticker attached on the front of the set.
Sometimes, however in many cases, CI+ compatibility of the Vestel sets is mentioned on the package, beside other main features.
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Retrieved 21 January 2016.
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Я удалил эту мысль :)
Некоторых язык до Киева доводит, а некоторых – до оргазма…
Почему все лавры достанутся автору, а мы будем также его ненавидеть?
Огромное спасибо Вам за поддержку. Буду должен.
По моему мнению Вы допускаете ошибку. Предлагаю это обсудить. Пишите мне в PM, пообщаемся.
На мой взгляд, это актуально, буду принимать участие в обсуждении. Я знаю, что вместе мы сможем прийти к правильному ответу.
Раньше я думал иначе, благодарю за информацию.
Портал отличный, порекомендую всем знакомым!
Зачёт и ниипёт!
Мне очень-очень понравилось!!!
Тема ваша довольно сложная для новичка.
Это должно быть в цитатнике
Это прям в точку!!! Другими словами и не скажешь! :)
Как хорошо что удалось отыскать таковой несравненный блог, и тем более отлично, что есть таковые писателя толковые!
Однако, афтар грамотно накреативил!
Я пожалуй промолчу
Привет всем! Кто и где, а главное с кем будет встречать Новый Год?
Разрешите помочь Вам?
Спасибо за объяснение. Все гениальное просто.
Я думаю, Вы придёте к правильному решению. Не отчаивайтесь.
Вы попали в самую точку. Мне нравится эта мысль, я полностью с Вами согласен.
Я думаю, что Вы ошибаетесь. Давайте обсудим.
Охотно принимаю. Вопрос интересен, я тоже приму участие в обсуждении. Вместе мы сможем прийти к правильному ответу. Я уверен.
Позволю себе не согласится с вами
мне нра) хорошая идея.
Извините, что я Вас прерываю, но мне необходимо немного больше информации.