Not taught at this time.
Spring of 2016
Code Book Questions:
Click here for a useful spreadsheet. It has more of a visual to see how encoding and decoding works.
Web Sites Useful in cryptography
Letter, digraphs, tri-graphs counter: from the website richkni.co.uk Text Analyzer
Index of coincidence calculator from Practical Cryptography: I.C. Calculator
Integer factoring program into primes by Numberempire Prime Factoring
A web sit for analysis: (used from the all practical book) http://www.d.umn.edu/~jgallian/project.petr/cryptogram.html