Cipher-block chaining CBC is an encryption method that uses the encryption result of the previous block as the IV Initial Vector of the next block. FPS DRM is a must for content that requires a high level of security, such as the early-window movies from Hollywood studios. Key delivery and decryption of FPS content played through Airplay is performed on Apple TV, the target device, with the same level of security as playing on the original device such as iPhone.
You can apply this scenario to contents purchased on a rental basis rather than for a permanent collection, making it available only for a certain period of time. By periodically renewing content keys set for the lease type during content playback, you can check and limit the number of client devices that can be played simultaneously with a single user account. Email Address Sign up There was an error.
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