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Note for Cryptography And Network Security - CNS By Amita Panda

  • Cryptography And Network Security - CNS
  • Note
  • Biju Patnaik University of Technology BPUT - BPUT
  • Computer Science Engineering
  • 7 Topics
  • 67804 Views
  • 3195 Offline Downloads
  • Uploaded 1 year ago
Anubhuti Das
Anubhuti Das
Computer Science Engineering at BPUT,Rourkela
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Topics ( 7 )

Introduction to Cryptography and Network Security 2 Cryptography & Network Security 27 Mathematics of Cryptography 53 Traditional Symmetric-Key Ciphers 142 Modern Block Ciphers 200 Data Encryption Standard 217 Contemporary Symmetric Ciphers 262
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Cryptography and Network Security (PECS 5402) 1.1

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Introduction 1.2

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Chapter 1 Objectives  To define three security goals  To define security attacks that threaten security goals  To define security services and how they are related to the three security goals  To define security mechanisms to provide security services  To introduce two techniques, cryptography and steganography, to implement security mechanisms. 1.3

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1-1 SECURITY GOALS This section defines three security goals. Topics discussed in this section: 1.1.1 Confidentiality 1.1.2 Integrity 1.1.3 Security 1.4

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