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Exam (elaborations)

ECES Cryptography Algorithms keys/block size questions and answers already passed 100%
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3

July 2023

2022/2023

A+
DES <<Ans>> Symmetric Block Key size: 56 Block size: 64 Feistel Cipher w/ 16 rounds, 48 bit key for each round. Use of 8 S-boxes 3DES (Triple DES) <<Ans>> Symmetric Block Key size: 56 Block size: 64 Performs DES function 3 times w/ 3 different keys. DESx <<Ans>> Variation of DES that employs key whitening. XOR a 64 bit key with the text before the round function, after or both. Advanced Encryption Standard (AES) <<Ans>> Sym...
Mawseron
$10.49 More Info

Exam (elaborations)

ECES Cryptography Algorithms keys/block size 100% Correct
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7

July 2023

2022/2023

A
ECES Cryptography Algorithms keys/block size 100% Correct DES Symmetric Block Key size: 56 Block size: 64 Feistel Cipher w/ 16 rounds, 48 bit key for each round. Use of 8 S-boxes 3DES (Triple DES) Symmetric Block Key size: 56 Block size: 64 Performs DES function 3 times w/ 3 different keys. DESx Variation of DES that employs key whitening. XOR a 64 bit key with the text before the round function, after or both. Advanced Encryption Standard (AES) Symmetric Block Key size: 128, 192, or 256 Blo...
BrilliantScores
$10.49 More Info