'Feistel cipher structure' diaporamas de présentation

CSC 474 Information Systems Security

CSC 474 Information Systems Security. Topic 2.2 Secret Key Cryptography. Generic block cipher Feistel cipher DES Modes of block ciphers Multiple encryptions Message authentication through secret key cryptography. Agenda. Generic Block Cipher. Generic Block Cipher. Encrypt. Plaintext

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Network Security Essentials Chapter 2

Network Security Essentials Chapter 2. Fourth Edition by William Stallings Lecture slides by Lawrie Brown. Symmetric Encryption. or conventional / private-key / single-key sender and recipient share a common key all classical encryption algorithms are private-key

640 views • 51 slides

528 views • 42 slides

Symmetric Encryption

573 views • 34 slides

Conventional Cryptography

Conventional Cryptography. Dr. Ron Rymon Efi Arazi School of Computer Science IDC, Herzliya. 2007/8. Pre-Requisites: Simple Math Background. Overview. Symmetric Cryptography Cipher Block Modes Key Management Message Authentication Using Conventional Cryptography. Symmetric Cryptography.

633 views • 31 slides

Cryptography and Network Security

Cryptography and Network Security. Sixth Edition by William Stallings . Chapter 3. Block Ciphers and the Data Encryption Standard.

604 views • 25 slides