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://www.nesoacademy.org/donateMemberships: https://bit.ly/2U7YSPIBooks: http://www.nesoacademy.org/recommende...Website ► http://www.nesoacademy.org/Forum ► https://forum.nesoacademy.org/Facebook ► https://goo.gl/Nt0PmBTwitter ► https://twitter.com/nesoacademyMusic:Axol x Alex Skrindo - You [NCS Release]#NetworkSecurityByNeso#Cryptography#NetworkSecurity#HillCipher
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://www.nesoacademy.org/donateMemberships: https://bit.ly/2U7YSPIBooks: http://www.nesoacademy.org/recommende...Website ► http://www.nesoacademy.org/Forum ► https://forum.nesoacademy.org/Facebook ► https://goo.gl/Nt0PmBTwitter ► https://twitter.com/nesoacademyMusic:Axol x Alex Skrindo - You [NCS Release]#NetworkSecurityByNeso#Cryptography#NetworkSecurity#HillCipher
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