Codes & Ciphers By Nandika Karnik

THE JULIUS SHIFT

This secret code is named after none other than Rome’s famous emperor Julius Caesar. He used this fairly simple code to send messages to important people in the Roman army. This code took 800 years for code breakers to hack but now almost everybody’s heard of this one. This code simply shifts a letter in a direction by a certain number of letter and viola! You now have a quick and easy to remember secret code language. See if you can hack this message using the Julius Shift!

Yja fkf Cfgng etquu vjg tqcf?

Vq uca Jgnnq htqo vjg qvjgt ukfg!

ALBERTI’S DISK

This disk was created by architect, Leon Battista Alberti. This cipher has two rings, an outer ring with the alphabet and an inner one with the letters of the alphabet but in an jumbled up order. Try this code out if you want to create a hard to break code just for you and your friends so almost nobody can hack into your hidden conversations.

THE PIGPEN OR MASONIC CIPHER

This is another popular but tough cipher. It works by substituting letters by characters. This quick to make cipher can be a toughie when an outsider without the code attempts to hack those messages. Use the key to solve the cipher!

Cipher: 𐆔8ዋ ∻—8∻∞— Δᴗ— (88Ͱ Δე ე)Ω၅

Key:

⌒

—

०

(

)

လ

∞

•

∻

๏

ᴗ

၅

ე

ዋ	∽	ↀ	𐆓	𐆔	ↁ
U	V	W	X	Y	Z

POLYBIUS SQUARE CIPHER

This cipher is both hard to write and hard to crack, but this one is well known and so is the key. This uses numbers and letters to create a cipher, but to fit all the letters some have to share a square. Each letter has a column number and a row number, for example C would be 31

Use the clues below to solve a Polybius Square Cipher.

44232443 343315’43 2524331411 4424421543343215 244333’44 2444!

STEGANOGRAPHY WITH DOTS

This ancient secret code was used by countries in wars. It works by adding tiny dots or marks under letters in a huge piece of text to show what letters should be read to unveil the hidden message. Try to decipher this message.

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MORSE CODE

Everybody has heard of this code at one point or another, but what is it and how to write or crack it. This code replaces letters of the alphabet, numbers and other symbols with dashes and dots. Use the key and discover the message!