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Hill Cipher (Decryption)

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 – Decryption using Hill cipher for the plaintext “RRLMWBKASPDH” 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 Books: https://bit.ly/4cZYQil Website ► https://www.nesoacademy.org/ Forum ► https://forum.nesoacademy.org/ Facebook ►   / nesoacademy   Twitter [X] ► https://x.com/nesoacademy Music: Axol x Alex Skrindo - You [NCS Release] #NetworkSecurityByNeso #Cryptography #NetworkSecurity #HillCipher