The most widely accepted and implemented approach to public-key encryption, _________ is a block cipher in which the plaintext and ciphertext are integers between 0 and n - 1 for some n.

It's best to start slightly late and finish on time

a. true b. false

Economic advances in many countries have led to the:

A. decline of middle and working classes. B. rise of totalitarian reforms. C. decline of property rights. D. emergence of closed and self-contained societies. E. emergence of increasingly prosperous middle and working classes.