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Widevine is a proprietary digital rights management (DRM) system that is included in most major web browsers and in the operating systems Android and iOS.It is used by streaming services such as Netflix, Amazon Prime, Hulu etc., to allow authorized users to view media while preventing them from creating unauthorized copies.
In practical terms, the impact of the crack has been described as "the digital equivalent of pointing a video camera at the TV", and of limited importance for consumers because the encryption of high-definition discs has been attacked directly, with the loss of interactive features like menus. [12]
Amazon's DRM is an adaption of the original Mobipocket encryption and is applied to Amazon's .azw4, KF8, and Mobipocket format e-books. Topaz format e-books have their own encryption system. [106] Apple's FairPlay DRM is applied to EPUBs and can be read only by Apple's iBooks app on iOS devices and Mac OS computers. [citation needed]
[16] [19] Additionally, it is always possible to disable DRM in Firefox, which then not only disables EME, but also uninstalls the Widevine DRM libraries. [20] Netflix supports HTML video using EME with a supported web browser: Chrome, Firefox, [21] Microsoft Edge, Internet Explorer (on Windows 8.1 or newer [22]), or Safari (on OS X Yosemite or ...
In cryptography, encryption (more specifically, encoding) is the process of transforming information in a way that, ideally, only authorized parties can decode.
End-to-end encryption is regarded as safer [20] because it reduces the number of parties who might be able to interfere or break the encryption. [21] In the case of instant messaging, users may use a third-party client or plugin to implement an end-to-end encryption scheme over an otherwise non-E2EE protocol. [22]
Encryption is used to protect the control word during transmission to the receiver: the control word is encrypted as an entitlement control message (ECM). The CA subsystem in the receiver will decrypt the control word only when authorised to do so; that authority is sent to the receiver in the form of an entitlement management message (EMM).
A HAIPE is an IP encryption device, looking up the destination IP address of a packet in its internal Security Association Database (SAD) and picking the encrypted tunnel based on the appropriate entry. For new communications, HAIPEs use the internal Security Policy Database (SPD) to set up new tunnels with the appropriate algorithms and settings.