What is the size of the permutation key

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Reference no: EM131907134

Problem

Eve secretly gets access to Alice's computer and using her cipher types "abcdefghij". The screen shows "CASDEMFG1r. If Eve knows that Alice is using a keyed trans-position cipher, answer the following questions:

a. What type of attack is Eve launching?

b. What is the size of the permutation key?

Reference no: EM131907134

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