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

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

  • Exam (elaborations) • 3 pages • 2023
  • 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...
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ECES Cryptography Algorithms keys/block size 100% Correct

  • ECES Cryptography Algorithms keys/block size 100% Correct

  • Exam (elaborations) • 7 pages • 2023
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    • 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...
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