Abstract: The rapid development of electronic exchange of digital information increases the importance of information security in storage and transmission of data on public communication network.

Note: The vigenere cipher encryption and decryption programs can be used to achieve vigenere, vernam, and OTP encryption and decryption. When the key length is less than the text length then it is a ...

Substitution ciphers form a basic category of encryption where letters or symbols in the original message, or plaintext, are swapped with other letters, numbers, or symbols to create an obscured ...

First real project in C - Encrypts/decrypts a message using a password and keyword, CIA style. The project was originally made in python, and I had in mind to make a flask application, but eventually ...

An example of the Enigma machine, a sophisticated polyalphabetic cipher in which coded Nazi messages created a serious challenge for code breakers during WWII. Courtesy photo The intriguing world of ...

Welcome back to the third article in my series called "Sharing My Learning." In this installment, I delved into the fascinating world of classical ciphers, specifically focusing on the Caesar Cipher, ...

In 1854, Sir Charles Wheatstone invented the cipher known as "Playfair," named for his friend Lyon Playfair, first Baron Playfair of St. Andrews, who popularized and promoted the cipher. Its ...

Over on YouTube, [The Modern Rogue] created an interesting video showing a slide-rule-like encryption device called the Réglette. This was a hardware implementation of a Vigenère-like Cipher, ...

Demystifying Cryptography: Unlocking the Secrets of Keeping Your Digital Assets Safe 👩💻 Intro: Have you ever wondered how your precious digital assets, like cryptocurrency or even important ...