CRYPTOGRAPHY AND NETWORK SECURITY LECTURE NOTES

CRYPTOGRAPHY AND NETWORK SECURITY LECTURE NOTES for Bachelor of Technology in computer Science and Engineering & Information Technology Department of computer Science and Engineering & Information Technology Veer Surendra Sai University of Technology (Formerly UCE, Burla) Burla, Sambalpur, Odisha LECTURE Note Prepared by: Prof. D. Chandrasekhar Rao Dr. Amiya Kumar Rath Dr. M. R. Kabat DISCLAIMER This document does not claim any originality and cannot be used as a substitute for prescribed textbooks. The information presented here is merely a collection by the committee members for their respective teaching assignments. Various sources as mentioned at the end of the document as well as freely available material from internet were consulted for preparing this document. The ownership of the information lies with the respective authors or institutions. CRYPTOGRAPHY AND NETWORK SECURITY BCS- (3-0-1) Credit-4 Module I ( 12 LECTURES) introduction to the Concepts of SECURITY : The need for SECURITY , SECURITY Approaches, Principles of SECURITY , Types of Attacks.

Introduction to the Concepts of Security: The need for security, Security Approaches, Principles of Security, Types of Attacks. Cryptographic Techniques: Plain Text and Cipher ... INTRODUCTION Computer data often travels from one computer to another, leaving the safety of its protected physical surroundings. Once the data is out of hand, people ...

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  Security, Introduction, Network, Computer, Network security, Cryptography, Introduction computer

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