Mastering Hill Cipher Decryption: A Step-by-Step Guide to Classical Encryption Techniques π
Learn how to decrypt Hill Cipher and explore classical encryption methods like substitution and transposition. Perfect for understanding network security fundamentals!

Neso Academy
486.3K views β’ Jun 29, 2021

About this video
Network Security: Hill Cipher (Decryption)
Topics discussed:
1) Classical encryption techniques: Substitution and Transposition techniques.
2) Introduction to the basics of Hill cipher.
3) Mathematical concepts to be known in order to deal with Hill cipher encryption and decryption problems.
4) The Hill Algorithm - Encryption and Decryption process of Hill cipher with expressions.
5) Formula for finding the key inverse matrix and explanation of all the parameters involved.
6) Example β Decryption using Hill cipher for the plaintext βRRLMWBKASPDHβ with a 3x3 Key Inverse matrix.
7) Finding the determinant of a 3x3 matrix using a short-cut approach.
8) Finding the adjoint of a 3x3 matrix using a short-cut approach.
9) Finding the multiplicative inverse of a number with modulus.
10) Verifying the key inverse matrix.
11) Information about square matrix and unit/identity matrix.
12) Various ways of doing Hill cipher encryption and decryption using Row Vector approach and Column vector approach.
Follow Neso Academy on Instagram: @nesoacademy (https://bit.ly/2XP63OE)
Contribute: http://bit.ly/3EpZgBD
Memberships: https://bit.ly/2U7YSPI
Discord: https://bit.ly/3HiGtJr
WhatsApp: https://whatsapp.com/channel/0029Va9B1Bq4tRru0nqgtx3h
Books: https://bit.ly/4cZYQil
Website βΊ https://www.nesoacademy.org/
App βΊ https://play.google.com/store/apps/details?id=org.nesoacademy
Facebook βΊ https://www.facebook.com/nesoacademy
Twitter [X] βΊ https://x.com/nesoacademy
Music:
Axol x Alex Skrindo - You [NCS Release]
#NetworkSecurityByNeso #Cryptography #NetworkSecurity #HillCipher
Topics discussed:
1) Classical encryption techniques: Substitution and Transposition techniques.
2) Introduction to the basics of Hill cipher.
3) Mathematical concepts to be known in order to deal with Hill cipher encryption and decryption problems.
4) The Hill Algorithm - Encryption and Decryption process of Hill cipher with expressions.
5) Formula for finding the key inverse matrix and explanation of all the parameters involved.
6) Example β Decryption using Hill cipher for the plaintext βRRLMWBKASPDHβ with a 3x3 Key Inverse matrix.
7) Finding the determinant of a 3x3 matrix using a short-cut approach.
8) Finding the adjoint of a 3x3 matrix using a short-cut approach.
9) Finding the multiplicative inverse of a number with modulus.
10) Verifying the key inverse matrix.
11) Information about square matrix and unit/identity matrix.
12) Various ways of doing Hill cipher encryption and decryption using Row Vector approach and Column vector approach.
Follow Neso Academy on Instagram: @nesoacademy (https://bit.ly/2XP63OE)
Contribute: http://bit.ly/3EpZgBD
Memberships: https://bit.ly/2U7YSPI
Discord: https://bit.ly/3HiGtJr
WhatsApp: https://whatsapp.com/channel/0029Va9B1Bq4tRru0nqgtx3h
Books: https://bit.ly/4cZYQil
Website βΊ https://www.nesoacademy.org/
App βΊ https://play.google.com/store/apps/details?id=org.nesoacademy
Facebook βΊ https://www.facebook.com/nesoacademy
Twitter [X] βΊ https://x.com/nesoacademy
Music:
Axol x Alex Skrindo - You [NCS Release]
#NetworkSecurityByNeso #Cryptography #NetworkSecurity #HillCipher
Tags and Topics
Browse our collection to discover more content in these categories.
Video Information
Views
486.3K
Likes
5.9K
Duration
30:03
Published
Jun 29, 2021
User Reviews
4.6
(97) Related Trending Topics
LIVE TRENDSRelated trending topics. Click any trend to explore more videos.