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.

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 The project was originally made in python, and I had in mind to make a flask application, but eventually ...

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 ...

The Vigènere Cipher is a method of encrypting alphabetic text by using a form of polyalphabetic substitution, which was developed in the 16th century by French cryptographer Blaise de Vigenère. It ...

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, ...