MathXplosion

Cracking the Cipher

Intercept a secret message! Eric cracks the code to decrypting the ancient cipher box used by Julius Caesar 2000 years ago! By shifting the alphabet or replacing a letter for another further down the alphabet sequence, you can crack or decipher a coded message. The secret to a cipher is one special piece of shared information known as a key (in the above example each letter in the alphabet (A,B,C...) was mapped to a different letter (A=D, B=E,C=F...)according to a specific shift (3).