Multiple choice

Which of the following is incorrect about Differential Cryptanalysis attack on DES algorithm?

  1. It uses multiple text blocks.

  2. It performs attack by repeatedly encrypting plaintext pairs with known input XOR.

  3. This technique is not efficient for large number of rounds.

  4. It gives linear equation for key bits.

  5. The differential cryptanalysis attack is complex and provides a complete description.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is incorrect about Differential Cryptanalysis attack. Linear Cryptanalysis attack uses linear equation for key bits.

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