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Which of these deductions make sense?

  1. The simulator is actually being run by the adversary. It makes sense that the adversary initializes the simulator (which is just a program) with the input that the corrupted party (also just a program) will use.

  2. The adversary is actually being run by the simulator, and the simulator (which is just a program) will give the adversary (which is just a program) the information it needs.

  3. We just should consider the adversary as a black-box that the simulator has an access to it and vice versa.

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2 is true. So 1 is obviously false. 3 is not true because there exists something called non black-box simulation (see Baoz Barak's thesis).

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