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VideoGuard (sometimes referred to simply as NDS), produced by NDS, is a digital encryption system for use with conditional access television broadcasting. It is used on digital satellite television systems – some of which are operated by News Corporation, which owned about half (49%) of NDS until its sale to Cisco in 2012 (becoming Cisco Videoscape division). [1]
Conditional Access Module Various types of CAM. A conditional access module (CAM) is an electronic device, usually incorporating a slot for a smart card, which equips an integrated digital television or set-top box with the appropriate hardware facility to view conditional access content that has been encrypted using a conditional access system. [1]
Several companies provide competing CA systems; ABV, VideoGuard, Irdeto, Nagravision, Conax, Viaccess, Synamedia, Mediaguard (a.k.a. SECA) are among the most commonly used CA systems. Due to the common usage of CA in DVB systems, many tools to aid in or even directly circumvent encryption exist. CAM emulators and multiple-format CAMs exist ...
It has launched VideoGuard Connect, the DRM for Pay-TV, designed to help TV operators to seamlessly extend their pay-TV services to connected media devices, enabling secure ingestion, delivery and consumption of premium content over both managed and OTT networks while maintaining subscription privileges across devices.
The Common Scrambling Algorithm (CSA) is the encryption algorithm used in the DVB digital television broadcasting for encrypting video streams. CSA was specified by ETSI and adopted by the DVB consortium in May 1994. It is being succeeded by CSA3, [1] based on a combination of 128-bit AES and a confidential block cipher, XRC. However, CSA3 is ...
Other commercial digital encryption systems are, Nagravision (by Kudelski), Viaccess (by France Telecom), and Wegener. In the US, both DirecTV and Dish Network direct-broadcast satellite systems use digital encryption standards for controlling access to programming. DirecTV uses VideoGuard, a system designed by NDS. DirecTV has been cracked in ...
The remaining channel aimed exclusively at the UK that use the Astra satellites at 28.2°E with a Europe-wide beam and remain free-to-view and encrypted is regions STV HD (Aberdeen, Dundee, Edinburgh), London Live and they can be viewed with a Sky Videoguard receiver and a Sky viewing card, either an inactive former Sky pay-TV card or one for ...
Nagravision Cardmagedon is, however, a complicated combination of Nagravision Aladin and Mediaguard SECA 2 encryption. Nagravision Merlin is also known as Nagravision 3. The decryption unit is either integrated into a receiver, available as a conditional-access module (CAM), or as one of many encryption schemes supported on a CAM emulator.