Math 204: Cryptography

May Term 2003

Dr. Veenstra

• Syllabus
• Assignments are below

Date	Topic	HW Due	Recommended Reading
Th May 1	Monoalphabetic Ciphers, part I
F May 2	Monoalphabetic Ciphers, part II	Read 2.1 of Barr and do 2.1(1-6,11-15) plus email assignment (on syllabus)	Chapter 1 of Singh
M May 5	Transposition Ciphers and more modular arithmetic	Read 2.2 and 2.3, Do 2.2(1-4,8-10,12-13) and 2.3(2,3,5)	1) Sherlock Holmes adventure involving a cipher. 2) Edgar Allen Poe's story involving a cipher.
T May 6	Quiz1, Polyalphabetic ciphers, Vigenere	Read 2.4 and do 2.4(1-3,5-7) and 8 from in-class handout Study for Quiz 1	Chapter 2 of Singh Chapters 3 and 4 of Singh for movie night
Th May 8	more on polyalphabetic ciphers, Kasiski and some probability	Read 2.5 and do 2.5(2,3,4,6)and 6 on handout
F May 9	even more on polyalph. ciphers, Friedman test	Read 2.6 and do 2.6(1-15)
M May 12	Hill Cipher	Read 2.7 and do 2.7(1-5,6-8) Study for quiz 2
Tu May 13	Review for exam, computer activitiy	Read 2.9 and do 2.9(1,3,4,7-11,14,15,18)
W May 14	Midterm EXAM
Th May 15	public key, diffie-Helman, euler phi	cipher challenge
M May 19	more public key, RSA, base 26	4.5(1,2,3,5,12) plus handout
Tu May 20	FERMAT day	Read 3.1 and 4.4 and do 3.1(6-8,11,12), 4.4(1-9)	Chapter 6 of Singh
Th May 22	El Gamal, digital signatures, Quiz 3	handout
F May 23	Block ciphers, playfair	3.6(1,2) 4.5 (6-10) 4.6 (1-4)
Tu May 27	Block ciphers and DES, quiz 4	3.1(1,2,4,5,10) 3.2(2) handout
W May 28	Summary/Review	handout
Th May 29	FINAL EXAM