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Cryptology (Math 271)


Spring of 2016

Cryptology Syllabus               Pictures from Bletchley Park
 
Code Book Questions:
 
Introduction    Chapter 1    Chapter 2    Chapter 3    Chapter 4    Chapter 5    Chapter 6    Chapter 7    Chapter 8
 
Class Problems: Assignments       Page 99    Challenge4      Vigenere example

 EXAM for 2016         Exam 2013


JustBasic programs:    LetterCount    Prime#Program
 
 
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

NSA:  http://www.nsa.gov/