Number Theory and Cryptography Project

This project can be done individually or with a partner (no more than 2 people per group).  If you are doing this with a partner, you need to inform me today (4/27).  Please send me an email letting me know who your partner is and which of the two topics you will be doing.

By the end of the day, you should have all of your content prepared.  Our test will be Tuesday and we will finish up the project on Wednesday.

Option 1

Create a positional number system with your own symbols and characters.  On a piece of posterboard, explain how your number system works by providing an example in which you convert the number to base ten and another example in which you convert a base-ten number to your system. The project must include a “key” of all your symbols/characters, an example converting to base ten, and an example converting from base ten.  Make sure your number system is able to represent any base ten number up to 1000.

Option 2

Create a themed, ciphered text.  On a piece of posterboard, cipher the text (minimum 75 characters) using both the Caesar and Vigenère method (same text, ciphered twice).  Decorate the posterboard based on the theme of your text.  For example, if your text is a battle message, you might decorate the poster with camouflage and other war-themed images.  The project must include both versions of the cipher, the keyword for the Vigenère Cipher, and images to compliment the theme.  Write the plain text on the back of the poster.

Do your best and show off your talent J

Due: 4/27/16 at the beginning of class!