# Cipher Challenge - Cryptography Tutorial

## Solve the Cipher Challenge

Cryptography >  Cipher Challenge (60+ min.)

 Objectives: 1) Demonstrate your mastery of the learned Ciphers by breaking them. 2) Win a prize by solving the cipher challenge.

The Cipher Challenge

Break the following 8 ciphers and email your answer to [email protected] to receive a prize.

 The Ciphers to be broken Help on Breaking a Cipher: Cipher #1:   Caesar Cipher "xtvavbiaxkzboxlrhnt phkwaxkxbmblbgmxzkte" How to break the Caesar Cipher Cipher #2:   Multiplication Cipher "secadqzegnyydqalse cdkedzgunekfeyadglpw" How to break the Multiplication Cipher Cipher #3:   Linear Cipher "hkllkxrxkqskvwmkefkhjl cpxkialfmewmjfkxlfkgcx dmelxmycvcoklxu" How to break the Linear Cipher Cipher #4:   Rail Fence Cipher "hwohinirocywimtaanelcpituooseol yerfehssrurnrrfdtaeceneerduas" How to break the Rail Fence Cipher Cipher #5:  Atbash Cipher "mldrgtvghzorggovnlivgirxp bblfidliwrhvcklmvmg" How to break the Atbash Cipher Cipher #6:   A Transposition Cipher "evitavireditnasidrowruoysd rawkcabdaernacuoywonkuoydid" How to break a Transposition Cipher Cipher #7:   RSA Cipher The public encoding key is (e,m) = (5,35). "19 14 20 12 22 14 12 33 7 9 12 9 8 23 16 14 33 9 7 8 " How RSA Cipher works How to break it Cipher #8:   Monoalphabetic Substitution Cipher "TBQ QRM JY LQGOBQM TBQ IGYT SVLM JY YJKUG TBQ CJLYT IQTTQLY OVUFJRQM PJQIM TBQ GRYSQL SVLM" How to break the Monoalphabetic Cipher

Related web sources:

Cipher Challenge posed by the Code Book author Simon Singh

Encarta.com

Yahoo's Encryption & Security

Glossary

PBS Online

Introduction to Cryptography

Enigma and the Codebreakers

Enigma History

Enigma Emulator

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