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.

marks are ordinarily not visible unless the paper is held to an angle to bright light. Invisible ink – a number of substances can be used for writing but leave no visible trace until heat or some chemical is applied to the paper. Pin punctures – small pin punctures on selected letters are ordinarily not visible unless the

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  Security, Network, Marks, Network security, Cryptography

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