問題詳情

83. RSA trapdoor pseudo random permutation is the most famous tool used in public keycryptography. Now let's see if you know how to derive the trapdoor. Given P=43,q=59,we have n=pq=2537. Let e=13. Please find the trapdoor d that ∀M∈Zn,Med≡M mod n.
(A) 257
(B) 419
(C) 843
(D) 937

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