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What is Media Key Block mean?
The Media Key Block (MKB) is one of the keys included inside the copying protection system (DRM) AACS. This system is used to protect Blu-ray and HD DVD formats from being copied. The system was developed by companies from the film industry and the electronics industry including IBM, Intel, Microsoft, Matsushita (Panasonic), Sony, Toshiba, The Walt Disney Company and Warner Bros.
The MKB key is found in the physical support (the disc) together with the content of the disc encrypted. The MKB has the function of validating the reproduction devices on which the disc is being played and obtaining, from the devices codes, the key that will allow the decryption of the disc content. That is the Media Key (Km).
referencePosted on 12 Nov 2024, this text provides information on Miscellaneous in Computing related to Computing. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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