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Question 414 - 312-50v12 discussion

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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.
TEA
Answers
A.
TEA
B.
CAST-128
Answers
B.
CAST-128
C.
RC5
Answers
C.
RC5
D.
serpent
Answers
D.
serpent
Suggested answer: C
asked 18/09/2024
Pavol Adamcin
35 questions
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