CSS #22 Vigenère cipher🔥 | Kasiski Test | Solved Example | Cryptography | CSS | BTB | Be The Best

Welcome to our lecture series on Cryptography & System Security.
This video covers Vigenère cipher
The topics covered in the video are
👉 Introduction to Vigenère cipher
👉 Mathematical definition of Vigenère cipher
👉 Relationship between Vigenère & Shift Ciphers
👉 Diagrammatic representation of Vigenère cipher
👉 Encryption of Vigenère cipher
👉 Decryption of Vigenère cipher
👉 Cryptanalysis of Vigenère cipher

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⏳ Timestamps
==========================
0:00 Introduction
0:56 Mathematical definition
2:00 Relationship between Vigenère & Shift Ciphers
2:50 Diagrammatic representation
4:27 Solved Example (Generation of Initial Key Stream)
5:11 Solved Example (Encryption)
7:27 Solved Example (Decryption)
9:38 Cryptanalysis of Vigenère cipher

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[SamarthGupta-yg]

is there any python code available that will take the ciphertext as input and then decrypts the message without knowing the key using the KASISKI method