Math 445:
Introduction to Cryptography

Return to David's home page 
Instructor: David Savitt
Office: Math Building, Room 214
Email: savitt at math dot arizona dot edu (PGP public key)
Phone: 6212170
Office hours: Mondays and Thursdays, 23 pm
Time: MWF, 33:50 pm
Location: Modern Languages 314
TA: Brendan Fry
Email: bfry at email dot arizona dot edu
Course policy
Syllabus and Textbooks
Project suggestions and
guidelines
Homework
Homework 1 (due Feb. 4): pdf
Homework 2 (due Feb. 11): pdf and text file for #2
Homework 3 (due Feb. 25): pdf
Homework 4 (due Mar. 5): MacKay Ch. 8 #1,5,6,10 (p.1401); read MacKay
Ch. 18
Homework 5 (due Mar. 14): pdf
Homework 6 (due Apr. 23): pdf
Homework 7 (due May 2): pdf
Supplementary texts
Handouts, Downloads, and Links
Letter Frequencies
Caesar shifts: scoring "perfect" text
Caesar shifts: sample text
Caesar shifts: scoring spreadsheet
Word
frequencies in the Brown Corpus