What is Entitlement Control Message Generator (ECMG)?

Entitlement Control Message Generator (ECMG)

Definition

An Entitlement Control Message Generator (ECMG) is a component in digital content protection systems that generates ECMs (Entitlement Control Messages).

The ECMG sends these messages to set-top boxes (STBs) or other consumer devices to provide authorization for access to encrypted content.

ECMGs are often used in conditional access systems in cable, satellite, or IPTV networks to ensure only authorized users can view protected content.

Real-World Examples

Verimatrix offers an ECMG solution as part of its VCAS (Video Content Authority System) that ensures only authorized users can decrypt content.

Quiz

Does an ECMG generate Entitlement Control Messages for decryption of encrypted content?

Yes.