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AACS uses cryptography to control and restrict the use of digital media. It encrypts content under one or more title keys using the Advanced Encryption Standard (AES). Title keys are decrypted using a media key (encoded in a Media Key Block) and the Volume ID of the media (e.g., a physical serial number embedded on a pre-recorded disc).
The USB mass storage device class (also known as USB MSC or UMS) is a set of computing communications protocols, specifically a USB Device Class, defined by the USB Implementers Forum that makes a USB device accessible to a host computing device and enables file transfers between the host and the USB device. To a host, the USB device acts as an ...
[5] [6] [7] For example, the device cannot be designed to copy; it must "frustrate attempts to defeat the content protection requirements"; [7] it must not transmit high definition protected video to non-HDCP receivers; and DVD-Audio works can be played only at CD-audio quality [7] by non-HDCP digital audio outputs (analog audio outputs have no ...
Modern DVD drives use constant angular velocity to allow transferring data at the highest supported physical rotation speed and/or random access without needing to adjust the physical rotation speed on every jump, and zoned constant linear velocity for writing reliably with different data rates in different zones.
USB drives with USB 2.0 support can store more data and transfer faster than much larger optical disc drives like CD-RW or DVD-RW drives and can be read by many other systems such as the Xbox One, PlayStation 4, DVD players, automobile entertainment systems, and in a number of handheld devices such as smartphones and tablet computers, though ...
An early example of a DRM system is the Content Scramble System (CSS) employed by the DVD Forum on DVD movies. CSS uses an encryption algorithm to encrypt content on the DVD disc. Manufacturers of DVD players must license this technology and implement it in their devices so that they can decrypt the content.
HandBrake transcodes video and audio from nearly any format to a handful of modern ones, but it does not defeat or circumvent copy protection. [14] One form of input is DVD-Video stored on a DVD, in an ISO image of a DVD, or on any data storage device as a VIDEO_TS folder. As with DVDs, HandBrake does not directly support the decryption of Blu ...
While many enterprises have strict management policies toward USB drives and some companies ban them outright to minimize risk, others seem unaware of the risks these devices pose to system security. The average cost of a data breach from any source (not necessarily a flash drive) ranges from less than $100,000 to about $2.5 million.