Multiple Choice
A way to improve on the simple monoalphabetic technique is to use different monoalphabetic substitutions as one proceeds through the plaintext
Message.the general name for this approach is ___________ .
A) rail fence cipher
B) cryptanalysis
C) polyalphabetic substitution cipher
D) polyanalysis cipher
Correct Answer:

Verified
Correct Answer:
Verified
Q2: _ techniques map plaintext elements (characters, bits)
Q3: the two types of attack on an
Q4: Restoring the plaintext from the ciphertext is
Q5: Rotor machines are sophisticated precomputer hardware devices<br>that
Q6: the _ attack is the easiest to
Q7: the best known multiple letter encryption cipher
Q8: An encryption scheme is said to be
Q9: A scheme known as a one-time pad
Q10: A technique referred to as a _
Q11: _ encryption is a form of cryptosystem