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 ...
The Cipher class, central to the javax.crypto package, abstracts encryption/decryption through a provider-based architecture that delegates to pluggable CipherSpi implementations for ...
Python has become one of the most popular programming languages out there, particularly for beginners and those new to the hacker/maker world. Unfortunately, while it’s easy to get something up and ...
The CIA Has Been Home to an Unsolved Puzzle for 35 Years. Its Creator Just Released the Final Clues.
Here’s what you’ll learn when you read this story: In 1990, artist Jim Sanborn installed a cryptographic puzzle on the grounds of Central Intelligence Agency in Langely, Virginia. While cryptoanalysts ...
Auction Of Famed CIA Cipher Shaken After Archive Reveals Code By Victoria LAVELLE Nov 18, 2025, 8:37 pm EST Share ...
The puzzle’s designer, James Sanborn, has urged the solution’s buyer not to reveal it, but to keep it safe until the Smithsonian releases its own copy. Puzzlers, enigmatologists, and even professional ...
A new study is the first to show that an insect can differentiate between different durations of visual cues. In Morse code, a short duration flash or “dot” denotes a letter “E” and a long duration ...
Experimental Apparatus. On the right is the wooden nest box where bees live. It is connected by acrylic tunnels to the observation chamber at the top of the picture and the three experimental ...
Add Yahoo as a preferred source to see more of our stories on Google. The Kryptos sculpture sits in front of the CIA headquarters in Virginia. (Carol M. Highsmith/Buyenlarge/Getty Images) The ...
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.
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, ...
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