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Sri Raghavendra Educational Institutions Society (R)

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

www.skit.org.in

Title: INTRODUCTION TO CRYPTOGRAPHY AND NETWORK SECURITY

CO addressed:CO1

Course: CRYPTOGRAPHY AND NETWORK SECURITY

Presented by: SHWETA SINGH

Department: CSE

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

CRYPTOGRAPHY AND NETWORK SECURITY

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

🤔 Why Do We Need Cryptography?

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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Did you know you already use Cryptography every single day?

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

What is Authentication?

Authentication is the process of verifying the identity of a user, device, or system before granting access to resources.

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

Why Do We Need Authentication?

Can a Password Alone Prove Who You Are?

🤔

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/skit.org.in

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Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

COURSE HANDOUT

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/skit.org.in

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Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

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/skit.org.in

(Approved by AICTE, Accredited by NAAC, Affiliated to VTU, Karnataka)

Sri Krishna Institute of Technology

NPTEL Course

Cryptography and Network Security (BCS703)

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MENTOR- SHWETA SINGH

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COURSE NAME - Theory and Practice of Modern Cryptography (IIT Kharagpur) by "Prof. Sourav Mukhopadhyay.

Course ID: 106105002

CIE assessment and carries 20 marks.

Important Dates:

* Enrollment: 22 May 2026 – 27 July 2026

* Exam Registration: 20 June 2026 – 14 August 2026

  • Exam Date:17 October 2026

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Sri Krishna Institute of Technology

THANK YOU

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Sri Krishna Institute of Technology

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