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"The AES-128 encryption that is used to protect video content while it is being streamed is robust; but, in order to prevent leakage, it must be paired with several digital rights management services (DRM).\r\n\r\nThe term \"digital rights management\" refers to a digital licencing system that enables content copyright owners to monitor how and by whom their work is used and to restrict the methods in which end users are able to duplicate or propagate the content. DRM is also known as \"digital rights administration.\"\r\n\r\nThe digital rights management (DRM) system ensures that publishers will be adequately compensated for the content that they create while also protecting the copyrights of electronic media. Over-the-top (OTT) services such as Netflix, Hulu, and Amazon Prime use it, as do other industry leaders in the field of  <a href=\"https://pallycon.com/multi-drm/\"><strong>Video DRM</strong></a>, such as Microsoft's PlayReady, Google's Widevine, and Apple's FairPlay. OTT stands for over-the-top, and it refers to services that are delivered over the internet.\r\n\r\nWidevine is utilised by both Amazon Prime and Amazon Prime Video. The digital rights management (DRM) system helps to manage and protect digital content across a number of smart devices, such as desktop computers, smartphones, smart TVs, gaming consoles, ebook readers, casting sticks, and other electronic devices of a similar nature. For example, Netflix uses a number of different digital rights management (DRM) systems, including Microsoft's PlayReady DRM, in addition to <a href=\"https://pallycon.com/forensic-watermarking/\"><strong>Video watermarking</strong></a>, in order to prevent any illegal content leakage and restrict the number of users who can access a particular type of premium digital content. This is done in order to prevent any content from being shared without permission.\r\n<h2><strong>Digital Rights Management (DRM) Content Packaging (en anglais)</strong></h2>\r\nThe digital rights management protocol, sometimes known as DRM, is utilised in the packaging of media content. This protocol encrypts the original content and protects it from unauthorised usage. DRM content packaging is a method for encrypting the source content into different formats, such as Dynamic Adaptive Streaming over HTTP (DASH) or HTTP Live Streaming (HLS). Because the Moving Picture Expert Group (MPEG) was the organisation that designed the DASH format, it is frequently referred to as MPEG-DASH. This is due to the fact that MPEG is the abbreviation for \"moving picture expert group.\" When it comes to encrypting digital content of these formats, the Advanced Encryption Standard (AES) has emerged as the method that is considered to be the de facto standard encryption method. The content that has been encrypted is then delivered to the device that the ultimate user will be using to read it. To be able to play back the content, the consumer will need to acquire a Digital Rights Management (DRM) licence, which contains the encryption key that was issued from a DRM licence server. This licence can only be obtained through a DRM licence server. This process is administered by a service that supports multiple DRM formats.\r\n\r\nThe AES-128 encryption standard makes use of a block size that is comprised of 128 bits for each and every one of its blocks. It is widely recognised as a reliable standard for encrypting data, and in fact, the United States intelligence organisation known as the National Security Agency (NSA) recommends use this standard when encrypting top-secret communication. AES-128 is the encryption algorithm of choice for all video protection methods, including HLS, Adobe's Real Time Messaging Protocol, and DRM-protected material. These methods all encrypt video files using the algorithm. Leaders in the business are of the opinion that data encrypted with the AES-128 standard cannot be broken into if the hacker does not have access to the decryption key. Because AES is a symmetric key technique, the key that is used to encrypt and decode text is the same key. This ensures that the content can only be accessed by authorised parties.\r\n\r\nThe HLS method encrypts separate video files utilising blocks as the fundamental building block for the encryption process. It is necessary to use the ciphertext from the previous block in order to encrypt the data in each following block. The video file is protected by employing a method known as chain cypher, which also ensures that the client device decrypts the data for each block on its own.\r\n\r\nThe AES algorithm is a dependable way for encrypting video data; nevertheless, it does have a security problem in that it generates a key for decryption that isn't very safe. This key may or may not be stored in a safe area on the client device, and the end user may also choose to release it to other individuals who are not authorised to access it. Alternatively, the client device may not have a secure location on which to store this key. OTT players are aware of this gap in the market, and as a result, they protect their material by utilising a multi-DRM solution. This ensures that the client receives their licence key in a safe and secure manner. For this reason, the OTT sector really needs to have access to a robust multi-DRM software as a service that is able to manage DRM licences that have been granted by industry leaders on a global scale, such as Widevine."
<https://dailyguestrank.com/technology/what-exactly-does-digital-rights-management-often-abbreviated-as-drm-stand-for/>