In substitution, a character in the plaintext is always changed to the same character in the ciphertext, regardless of its position in the text.

Related MCQs

• The ________ is encrypted text
• The ________criterion ensures that we cannot find two messages that hash to the same digest
• Which transmission technique guarantees that data packets will be received by the receiver in the same order in which they were sent by the sender.
• _______________________ ensures that information are in a format that is true and correct to its original purposes.