Author Question: The plaintext is 64 bits in length and the key is 56 bits in length; longer plaintext amounts are ... (Read 161 times)

misspop · **on:** Jul 7, 2018

The plaintext is 64 bits in length and the key is 56 bits in length; longer plaintext amounts are processed in 64-bit blocks is a description of the DES algorithm.

Indicate whether the statement is true or false.

Question 2

One desirable property of a stream cipher is that the ciphertext be of the same length as the plaintext.

Indicate whether the statement is true or false.