Question: In the ideal block cipher with 6 4 - bit blocks, there are 2 ^ 6 4 ! possible keys. How many bits one needs

In the ideal block cipher with 64-bit blocks, there are 2^64! possible keys. How many bits one needs in order to represent the keys in binary? Show your calculation steps.

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In the ideal block cipher with 6 4 - bit blocks, there are 2 6 4 ! possible keys. How many bits one needs in order to represent the keys in binary? Show your calculation steps.

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