1.

In RSA, Ф(n) = _______ in terms of p and q.(a) (p)/(q)(b) (p)(q)(c) (p-1)(q-1)(d) (p+1)(q+1)I have been asked this question during an interview.Origin of the question is Knapsack/ Merkle in section Public Key Cryptography and RSA of Cryptograph & Network Security

Answer»

The CORRECT OPTION is (c) (p-1)(q-1)

Easiest EXPLANATION: Ф(N) = (p-1)(q-1).



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