Tony wants to integrate a 128-bit symmetric block cipher with key sizes of 128, 192, or 256 bits into a software program, which involves 32 rounds of computational operations that include substitution and permutation operations on four 32-bit word blocks using 8-variable S-boxes with 4-bit entry and 4-bit exit.
Which of the following algorithms includes all the above features and can be integrated by Tony into the software program?

A. CAST-128

B. RC5

C. TEA

D. Serpent








 

Suggested Answer: D

Community Answer: D



This question is in 312-50V11 EC-Council Certified Ethical Hacker v11 Exam
For getting EC-Council Certified Ethical Hacker (CEH) Certificate







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