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(Solved) : Window Help Hw 3pdf Page 1 2 1 Explain Following Concepts Briefly Point 1 Symmetric Crypto Q35597099

Window Help HW 3.pdf (page 1 of 2) 1. Explain the following concepts briefly but to the point: 1) Symmetric cryptography vs.Window Help HW 3.pdf (page 1 of 2) 1. Explain the following concepts briefly but to the point: 1) Symmetric cryptography vs. asymmetric cryptography 2) Kerckhoffs principle 3) Key space vs. key length 4) Confusion vs. diffusion 5) Feistel network vs. Substitution-Permutation Network (SPN) 6) Block cipher vs. stream cipher 7) For AES, what are the block size and key length(s)? How many rounds does 8) What are the four layers in each round of AES? 9) How many subkeys does DES-128 need? What is the length of a subkey? 10) What are the two operations within the AES S-Box? 2. Generate the multiplication table for the extension field GF(23) for the cas irreducible polynomial is P)+1. The multiplication table is in this table. Show transcribed image text Window Help HW 3.pdf (page 1 of 2) 1. Explain the following concepts briefly but to the point: 1) Symmetric cryptography vs. asymmetric cryptography 2) Kerckhoffs principle 3) Key space vs. key length 4) Confusion vs. diffusion 5) Feistel network vs. Substitution-Permutation Network (SPN) 6) Block cipher vs. stream cipher 7) For AES, what are the block size and key length(s)? How many rounds does 8) What are the four layers in each round of AES? 9) How many subkeys does DES-128 need? What is the length of a subkey? 10) What are the two operations within the AES S-Box? 2. Generate the multiplication table for the extension field GF(23) for the cas irreducible polynomial is P)+1. The multiplication table is in this table.

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