49. The goal of cryptanalysis is to…?

Вариант ответа 1 - A. forge coded signals that will be accepted as authentic.

Вариант ответа 2 - B. ensure that the key has no repeating segments.

Вариант ответа 3 - C. reduce the system overhead for cryptographic functions.

Вариант ответа 4 - D. determine the number of encryption permutations required.