{"id":470,"date":"2020-10-29T06:14:19","date_gmt":"2020-10-29T06:14:19","guid":{"rendered":"http:\/\/www.aveverything.com.au\/news\/?p=470"},"modified":"2021-05-25T03:56:18","modified_gmt":"2021-05-25T03:56:18","slug":"what-is-hdcp-2-2","status":"publish","type":"post","link":"https:\/\/www.aveverything.com.au\/news\/tips-and-advice\/what-is-hdcp-2-2\/","title":{"rendered":"What is HDCP 2.2?"},"content":{"rendered":"

HDCP 2.2 (High-bandwidth Digital Content Protection) is the latest in copy protection, designed to create a secure line between what\u2019s displayed on your screen, and the source of that display. It\u2019s purpose is to prevent piracy of high definition 4K content when being played by ultra high-def Blu-ray streaming boxes, and other devices that stream 4K content. <\/span><\/p>\n

Film studios work hard to enforce the copyright of their productions, and HDCP 2.2 is an example of that protection for 4K media. Let\u2019s take a look at what that means for you.<\/span><\/p>\n

How does HDCP 2.2 work?<\/span><\/h2>\n

\"Digital<\/a>HDCP 2.2. uses key authentication to secure devices<\/span><\/i><\/p>\n

In a nutshell, HDCP technology works by checking if a device is authorised to play media content. The device that is sending the content does the check, and the device that is receiving the content must have the authorisation. Examples of transmitting devices are streaming boxes, Blu-ray players, or Playstations, and recipient devices are televisions, computers, or digital projectors.<\/span><\/p>\n

From a technical standpoint, HDCP 2.2 is a combination of software technologies developed by Intel that work together to provide copy protection. These can be broken down into three systems:<\/span><\/p>\n

    \n
  1. Authentication<\/b>\u2014this prevents non-licensed devices from receiving content.<\/span><\/li>\n
  2. Encryption\u2014data that is sent through HDMI, DisplayPort, DVI and other cables is encrypted using a stream cipher, to prevent eavesdropping.<\/span><\/b><\/li>\n
  3. Key revocation\u2014<\/span>tracking legitimate devices with 56-bit keys, and removing them if they have been compromised. Devices without keys can\u2019t receive 4K data.<\/span><\/li>\n<\/ol>\n

     <\/p>\n

    Which connections does HDCP 2.2 work on?<\/span><\/h2>\n

    HDCP 2.2 technology works for the following cable connections:<\/span><\/p>\n