CSS #21 Playfair Cipher Explained 🔐 | Theory & Solved Example | Cryptography & Security

Welcome to our lecture series on Cryptography & System Security. This video covers Playfair cipher The topics covered in the video are 👉 Introduction to Playfair cipher 👉 Construction of 5x5 matrix 👉 Formation of digrams 👉 Encryption of Playfair cipher 👉 Decryption of Playfair cipher If you found this video helpful do like and share with your friends. Subscribe to Be The Best channel for more such videos https://bit.ly/3sFYUxN You can search us on YouTube using our official YouTube handle @BeTheBestYT 👉Link to Cryptography & System Security Playlist https://youtube.com/playlist?list=PLw99-yXdyiX_jD6Cu5uru5DyiV8kO-Fi6 ⏳ Timestamps ========================== 0:00 Introduction 0:45 Steps in Playfair cipher 1:25 Construction of 5x5 matrix 4:17 Formation of digrams 9:00 Step 1 & Step 2 9:30 Encryption using Playfair cipher 14:02 Decryption using Playfair cipher ========================== 👍Follow us on: Instagram: https://www.instagram.com/bethebestyt/ Facebook: https://www.facebook.com/BeTheBestYT Twitter: https://twitter.com/BeTheBestYT #CryptographyAndSystemSecurity#PlayFairCipher#SolvedExample#BTB#BeTheBest#Cryptography #CSS #MU #ComputerEngineering #2022 #ScientificCalculator#Casio991ESPlus#PolyalphabeticCipher#Playfair