television encryption Television encryption, often referred to as scrambling, is encryption used to control access to pay television services, usually cable, satellite, or Internet Protocol television (IPTV) services. History Pay television exists to make revenue from ...

, Cryptoworks is a

DVB Digital Video Broadcasting (DVB) is a set of international open standards for digital television. DVB standards are maintained by the DVB Project, an international industry consortium, and are published by a Joint Technical Committee (JTC) o ...

conditional access system, developed by

Philips Koninklijke Philips N.V. (), commonly shortened to Philips, is a Dutch multinational conglomerate corporation that was founded in Eindhoven in 1891. Since 1997, it has been mostly headquartered in Amsterdam, though the Benelux headquarters i ...

CryptoTec but now belonging to Irdeto. Cryptoworks is used by the following pay TV providers: * OSN *

Digiturk Digiturk is a Turkish satellite television provider founded in 1999, with services starting in mid-2000. They provide both national television channels and their own channels, national radio, and music streams of different genres. Digiturk is als ...

*the BFBS satellite service * UPC Direct * ITV Partner *

ORF ORF or Orf may refer to: * Norfolk International Airport, IATA airport code ORF * Observer Research Foundation, an Indian research institute * One Race Films, a film production company founded by Vin Diesel * Open reading frame, a portion of the ...

*Skylink * JSTV *

Ziggo Ziggo Holding B.V. () is the largest cable operator in the Netherlands, providing digital cable television, Internet, and telephone service to both residential and commercial customers. History The company is the result of the merger between ...

It is also used to encrypt some feeds to

cable television Cable television is a system of delivering television programming to consumers via radio frequency (RF) signals transmitted through coaxial cables, or in more recent systems, light pulses through fibre-optic cables. This contrasts with bro ...

head-ends. In 2006, Cryptoworks was transferred to Irdeto. Other conditional access systems include Irdeto,

VideoGuard 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 ...

Nagravision Nagravision (or Nagra Kudelski or simply Nagra) is a company of the Kudelski Group that develops conditional access systems for digital cable and satellite television. The name is also used for their main products, the Nagravision encryption syste ...

Mediaguard MediaGuard is a conditional access system for digital television developed by SECA (Société Européenne de Contrôle d'Accès; renamed to Canal+ Technologies SA) (CEO François Carayol), a subsidiary of Canal+ Group, sold to Thomson (CEO Thierry ...

References

{{Reflist Digital television Conditional-access television broadcasting