What name is given to an encryption cipher that is a product cipher with a 56-bit key
consisting of 16 iterations of substitution and transformation?
•
Question 82
What name is given to an encryption cipher that uniquely maps any letter to any other
letter?
•
Question 83
Without any knowledge of the key, an attacker with access to an encrypted message and
the decryption cipher could try every possible key to decode the message. This is referred to as
________.
•
Question 84