The 35-year-old saga of Kryptos, an enigmatic sculpture containing four encrypted messages outside the CIA headquarters, just took a bizarre twist. Though cryptographers broke the first three passages ...

Curious how the Caesar Cipher works? This Python tutorial breaks it down in a simple, beginner-friendly way. Learn how to encode and decode messages using one of the oldest and most famous encryption ...

Abstract: Cryptography, as both an art and a science, employs specific terminology to secure messages, including plaintext, ciphertext, encryption, decryption, and keys. The encryption process ...

This application is a command-line tool that can be used to encrypt and decrypt messages using a shared shift key.

The Caesar Cipher is a basic encryption algorithm where each letter in the plaintext is shifted a certain number of places down or up the alphabet. In this implementation, the user can input a plain ...

Abstract: The paper describes a microcontroller based secured optical wireless communication system using laser and phototransistor. These days the usage of Wi-Fi has reached to every nook and corner ...