A ____ is a word,number,or phrase that must be known to encrypt or decrypt a message.
A) cryptographic index
B) rank
C) cryptographic key
D) message

Question

Quizplus · Accepted Answer

A cryptographic key is a word, number or phrase that is necessary to encrypt or decrypt a message. It is used by cryptographic algorithms to convert plain text into a cipher text and vice versa. Without the key, the message cannot be read or understood.

A ____ Is a Word,number,or Phrase That Must Be Known