'Cipher feedback mode' diaporamas de présentation

Chapter 8: Cryptography

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Unit -1

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CS363

Week 12 - Wednesday. CS363. Last time. What did we talk about last time? Making a business case for security Quantifying security. Questions?. Project 3. Security alert: Heartbleed.

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Network Security

Network Security. Lecture 4 Modes of Operation http://web.uettaxila.edu.pk/CMS/coeCCNbsSp09/index.asp. Waleed Ejaz waleed.ejaz@uettaxila.edu.pk. Overview. Modes of Operation: ECB, CBC, OFB, CFB, CTR Privacy + Integrity DES Attacks 3DES and its design Ref: Chapter 4 of textbook.

561 views • 32 slides

Chapter 4: Modes of Operation

Chapter 4: Modes of Operation. CS 472: Fall 2012. Encrypting a Large Massage. Electronic Code Book (ECB) Cipher Block Chaining (CBC) Output Feedback Mode (OFB) Cipher Feedback Mode (CFB ). Electronic Code Book (ECB).

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Introduction to Cryptography

Introduction to Cryptography. Based on: William Stallings, Cryptography and Network Security. Chapter 6. Block Cipher Operation Modes. Double DES. Meet-in-the-Middle Attack. Meet-in-the-Middle Attack. Given a plaintext- ciphertext pair :

223 views • 20 slides