This functionality is accessible by default for hardware level DRM implementation from each of the three major DRMs (for instance, Widevine Modular Level1, Playready SL3000, and Fairplay DRMs (with OS 12+)). However, this security is primarily applicable on native app implementation types on mobile devices; viewing the content through a browser on Android devices is not necessarily subject to the same constraints.
For instance, if an Android device is capable of supporting widevine Level 1 implementation, then it provides protection against screen recording while content is being played using an Android application. This protection is offered by the device.
However, when the content is being played on browsers, the same device cannot give the same level of protection to the user as it does when the content is played on mobile devices (like chrome). When the content is being consumed on an android smartphone, using Firefox or any of the other browsers is not an option because these browsers do not provide support for the widevine DRMan anti-piracy mechanism. However, if the service provider has a compelling use case to provide chrome browser-based playback on android mobile and they would also like to ensure protection against screen capturing, then they will need to invest in chrome-specific screen capture protection solutions such as this anti screen capture. Alternatively, they could choose not to provide chrome browser-based playback on android mobile.
The protection of the output, known as HDCP or CGMS:
Digital rights management solutions (DRM) are able to provide the capability to safeguard against recording via digital output signals (such as HDCP) or analogue output signals after being enabled with the proper parameters (such as VGA, etc.).
Once this is activated, it ensures that the content that is being sent is of HD quality and that, once it has been copied out, it will not be reproduced using HDMI or VGA types of digital or analogue output. In addition, it prevents the content from being reproduced using any other type of digital or analogue output. The only kind of devices that are able to make this function accessible are ones that have the capability to enable the hardware level of DRM implementation (e.g. Widevine Level 1 for android). This functionality can’t be made available on devices that just have a software implementation (like Widevine Level 3 on Android), which describes every other type of device.
However, despite the fact that some devices offer support for DRM at the hardware level, it is not as simple to accomplish as it might appear due of the intricate nature of HDCP implementation at the device end. The following set of circumstances has the potential to lead to complicated outcomes.
The data in the video clip will be mixed up by an algorithm while the movie is being encrypted, which will render the file worthless after the encryption process is complete. As a result of this, there is absolutely no possibility of the data being decrypted. This is made possible with the assistance of a key, which, in conjunction with the algorithm, is used in order to encrypt and decode the digital information. This makes it possible for a third party to read the information that has been encrypted. Because of this, it is now feasible for an outside entity to view information that had previously been encrypted. Because of this, deciphering the information is not going to be difficult, despite the fact that it has been encrypted. Every single component of the video and the asset makes use of its very own one-of-a-kind special key, including the audio, the video that was captured in standard definition (SD), and the video that was captured in high definition (HD). Because of this, the process of encrypting or decrypting a video clip is regarded as an operation that makes use of symmetric cryptography. This is because the encryption and decryption processes employ the same key. This is because, with symmetric cryptography, both the encrypting and decrypting of the file uses the same key.
