Question

In cryptography system, the value of z in x ≡ z^e (mod m) should be at least ______

(a) 1024 bits

(b) 1GB

(c) 596 bits

(d) 54 Bytes

I had been asked this question in homework.

This intriguing question comes from Number Theory topic in chapter Number Theory and Cryptography of Discrete Mathematics

Answer 1

The correct answer is (a) 1024 bits

For explanation: In cryptography system, the value of z in x ≡ z^e (mod m) should be at least 1024 bits.