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cyber security

$10-30 USD

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Publié il y a plus de 4 ans

$10-30 USD

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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
N° de projet : 21781036

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Hi there, please send me a private message so thatwe can setup the project and i'll provide the definitions and explanations accordingly.
$25 USD en 3 jours
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3 freelances proposent en moyenne $32 USD pour ce travail
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Hello Sir, I am a cybersecurity expert and I can solve those questions. Thanks, Bhargav.
$50 USD en 1 jour
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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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Drapeau de SAUDI ARABIA
Riyadh, Saudi Arabia
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Membre depuis oct. 13, 2019

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