Question: s using the same key twice in one - time pad secure ( i . e . , Encryption: M K K = C; Decryption:

s using the same key twice in one-time pad secure (i.e., Encryption: M K K = C;
Decryption: C K K = M)? Why? Please explain in detail. (hint: you should explain
if P(M|C)?= P(M) by using mathematical proof. Only textual explanation without the
inclusion of mathematical formulas will result in an incomplete analysis and, therefore,
may lead to a deduction in grading.)

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