AES Guest Lecturer

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Larger Plain Texts Encryption • How to avoid frequency analysis • Answer: Cipher Block Chaining The original image An image encrypted without any form of Cipher Block Chainging An image encrypted with cipher block chainging
Larger Plain Texts Encryption Cipher Block Chaining
Page 1 and 2: AES Advanced Encryption Standard CS
Page 3 and 4: AES Block • AES has a fixed block
Page 5 and 6: AES Key or 192 bits (6 words) 11223
Page 7 and 8: Security • The key security featu
Page 9 and 10: AES Algorithm KeyExpansion(byte key
Page 11 and 12: - Sample Key: AES Algorithm Key Exp
Page 13 and 14: AES Algorithm Key Expansion w[0] 11
Page 15 and 16: Con - round Constants Powers of x =
Page 21 and 22: AES Algorithm KeyExpansion(byte key
Page 23 and 24: AES Algorithm AddRoundKey State 41
Page 25 and 26: AES Algorithm SubBytes • SubBytes
Page 27 and 28: AES Algorithm SubBytes X Y 0 1 2 3
Page 29 and 30: AES Algorithm SubBytes State 50 10
Page 31 and 32: AES Algorithm ShiftRows • Simple
Page 33 and 34: AES Algorithm - MixColumns • This
Page 35 and 36: AES Algorithm - InvMixColumns a ’
Page 37 and 38: Sample Conversions Input String Key
Page 39: Larger Plain Texts Encryption • H
Page 43 and 44: Padding • If plaintext messages a
Page 45 and 46: Attacks on AES • XSL Cryptanalysi
Page 47 and 48: Types of Side Channel Attacks • T
Page 49 and 50: Joan Daemen & Vincent Rijmen’s AE
Page 51 and 52: Joan Daemen & Vincent Rijmen’s AE
Page 53 and 54: References Security and Attacking A
Page 55: References Applications / Implement

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