Sunday, September 30, 2018

KTU B.Tech S7 Lecture notes Cryptography and Network Security

KTU B.Tech S7 Lecture notes Cryptography and Network Security

Module-1
Symmetric Cipher Models- Substitution techniques- Transposition
techniques- Rotor machines-Steganography. Simplified DES- Block Cipher principles- The Data Encryption Standard, Strength of DES-Differential and linear Cryptanalysis. Block Cipher Design
principles- Block Cipher modes of operations.
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Module-2
IDEA: Primitive operations- Key expansions- One round, Odd
round, Even Round- Inverse keys for decryption. AES: Basic
Structure- Primitive operation- Inverse Cipher- Key Expansion,
Rounds, Inverse Rounds. Stream Cipher –RC4.
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