MKB meaning in Computing ?

Answer: 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).

reference

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