Multiple choice

Identify the incorrect statement about Data Encryption Standard (DES) algorithm?

  1. It uses 56 bit key to encrypt the data.

  2. It uses the block cipher scheme.

  3. DES depends on the key size and nature of algorithm both.

  4. With a key length of 56 bits, there are 2^56 possible keys.

  5. DES partitions input block into thee parts.

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

DES partitions input block into two halves.