Why do some people refer to CSS as a “scrambling” system rather than encryption?
CSS is different from other examples of cryptography such as encrypted e-mail. Unlikey encrypted e-mail where the objective of the encryption is to maintain privacy, CSS has nothing to do with maintaining privacy or secrecy of the video. Anyone who buys a DVD containing a CSS “encrypted” movie can view that movie by placing it in a DVD player. This is totally unlike encrypted mail which only the intended recipients can read.
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