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cyber security

please your support to solve mentioned questions which support my project.

1- Define the following: confusion, diffusion, state,

2- What is a Feistel Cypher and how does it work?

3- Describe the f() function used in the DES Feistel component.

4- What is the size of the block in AES?

5- What are the recommended key sizes and how are they related to the number of rounds?

6- What will be the number of subkeys generated in case the number of rounds is 10?

7- Before encryption AES performs a key expansion process: what is the rationale behind this key expansion process? What will be the output of the key expansion process?

8- What is the size of the expanded key?

9- What are the number of rounds in the key expansion algorithm?

10- What are the types of operations executed the key expansion rounds? Are all these operations executed in every round?

11- Using a block diagram, describe the general flow of AES, showing the types of operations performed at each step.

12- Explain how the ADRoundKey operation is performed.

13- Explain how confusion is implemented in AES? What is the operation used and how does it work?

14- Explain how diffusion is implemented in AES? What are the tow operations used how do they work?

15- What is the Mix Columns operation and how does it work? What is the major purpose of this operation? What are the two major components of this operation?

16- Explain how matrix multiplication is performed in the first Mix Columns operation to generate a new state – use a simple example.

17- The actual simple multiplications in the second step of the Mix Columns operation are performed in a Galois Filed? What is a Galois field?

18- Explain how Galois multiplications are performed in AES? Use a simple example

Beceriler: Bilgisayar Güvenliği, Kriptografi

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İşveren Hakkında:
( 0 değerlendirme ) Riyadh, Saudi Arabia

Proje NO: #21781036

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Snake4eva

Hi there, please send me a private message so thatwe can setup the project and i'll provide the definitions and explanations accordingly.

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mrresearcher99

Hello Sir, I am a cybersecurity expert and I can solve those questions. Thanks, Bhargav.

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hx3011

Hey! I've done these questions before during my degree courses and know and understand the answers well. Do contact me so I can get started immediately.

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