Some ciphers have simple keys, others, complex ones. The key for a cipher used by Augustus Caesar, some 2,000 years ago, was simple enough: The receiver just had to shift the alphabet one position.

The Caesar Cipher is a simple encryption technique - altering a message so it can't be read by a random outsider. When messages are encrypted with a Caesar Cipher, the characters in that message ...

A simple method of encryption requires the use of a technique known as the Caesar cipher. The cipher works by giving a number value to a key. Each plaintext letter is replaced by a new letter ...

Here's your chance to crack ciphers similar to those Bletchley Park's codebreakers faced during World War II. Below, we present three ciphers of different levels of difficulty, from easiest to ...

Few cases have captured the public's imagination and baffled investigators quite like the Zodiac Killer. For decades, this unidentified serial murderer taunted law enforcement and the public alike ...

Even Julius Caesar began using “Caesar cipher” around 50 B.C., growing wary of messengers to deliver messages to the battlefield. Today, encrypting network traffic has become so ubiquitous ...

74, Issue. , p. 444. Originally published in the New Mathematical Library almost half a century ago, this charming book explains how to solve cryptograms based on elementary mathematical principles, ...

In 49 B.C. on the banks of the Rubicon, Julius Caesar faced a critical choice. To remain in Gaul meant forfeiting his power to his enemies in Rome. Crossing the river into Italy would be a ...

“He’s a cipher, forever undercover.” “Slow Horses” has thus far offered only intimations of the trauma that turned Lamb into a personal wreck, while heightening his skill as a spy to ...

Caesar salads are known for their crispy Romaine lettuce, croutons, parmesan cheese, and, of course, signature dressing. The best dressing is a sturdy emulsion—similar to mayo—of egg yolks ...