Learn Multiplicative Cipher: Symmetric Encryption & Decryption Example 🔐

Introduction to Multiplicative Cipher, in this tutorial key inverse is found using Extended Euclidean algorithm, and message was encrypted and Decrypted.

In mono-alphabetic ciphers, each symbol in plain-text (eg; ‘o’ in ‘follow’) is mapped to one cipher-text symbol. No matter how many times a symbol occurs in the plain-text, it will correspond to the same cipher-text symbol.


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