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  • 14:15, 9 May 2026 Vertex talk contribs created page Mechanical Code Unit (Created page with "{{Short description|Electromechanical cryptographic security device}} A '''mechanical code unit''' (MCU) is a piece of electromechanical coding hardware used to translate the unique bitting of a physical key into a set of analog or digital signals that constitute an encryption key. Effectively, it reads the key bitting and translates it into a key. In order to prevent the code from being recovered from the pins of the cylinder itself, usually only half of the bits on the...")