Abstract: This paper investigates the bounded filtering problem for two-dimensional (2-D) discrete systems with encryption-decryption mechanism (EDM) and dynamic event-triggered mechanism (ETM).

It is one of the world's most famous unsolved codes whose answer could sell for a fortune—but two US friends say they have already found the secret hidden by "Kryptos." The S-shaped copper sculpture ...

It is one of the world's most famous unsolved codes whose answer could sell for a fortune -- but two US friends say they have already found the secret hidden by "Kryptos." The S-shaped copper ...

Get the latest federal technology news delivered to your inbox. Quantum computing is no longer a distant concept. It is an emerging capability with real implications for national security. The federal ...

The 35-year-old saga of Kryptos, an enigmatic sculpture containing four encrypted messages outside the headquarters of the U.S. Central Intelligence Agency, recently took a bizarre twist.

Forbes contributors publish independent expert analyses and insights. Amir is Founder of AI unicorn Avathon & Boeing/SC JV, SkyGrid. Recently, a friend asked me a question that's been floating around ...

This project implements the Caesar Cipher algorithm using Python and Tkinter. It provides a simple graphical interface that allows users to encrypt and decrypt messages by shifting letters according ...

Learn how to implement a classic substitution cipher in C! This step-by-step tutorial walks you through encoding and decoding messages by replacing each letter with another according to a fixed key. A ...