A stream cipher takes one character and replaces it with another character. This output is known as the ____.
A) initialization vector
B) integrity check value
C) cyclic redundancy check
D) keystream

Question

Quizplus · Accepted Answer

The output of a stream cipher is known as the keystream, which is produced by encrypting a stream of characters with a secret key. The keystream is then combined with the plaintext to produce the ciphertext. The other options (A, B, and C) are types of security measures but do not represent the output of a stream cipher.

A Stream Cipher Takes One Character and Replaces It with Another