Certified Encryption Specialist (ECES) v3 — Question 2

What is a variation of DES that uses a technique called Key Whitening?

Answer options

• A. AES
• B. 3DES
• C. DESX
• D. Blowfish

Correct answer: C

Explanation

The correct answer is C, DESX, as it specifically incorporates Key Whitening to enhance security. AES, 3DES, and Blowfish do not utilize this particular technique, making them incorrect in this context.