Math 139 Fall 2009: Explorations in Cryptology (200-level)

Daily Schedule

# Date Topics Reading Handouts Homework
- M 10/5 Using Excel to do shift and affine ciphers - (handout) HW A: On handout, do problems 1, 3, 4 for practice. Hand in number 5.
- M 10/19 The Hill cipher Barr 2.9 - HW A (con't): p. 171: 1ab, 3ab, 4 (check your answers for the last problem). (Due 10/14)
- M 10/26 [no meeting] Handout "Introduction to Maple". Do the exercises. Only hand in what's below. - HW B: On the above: 3b (just the number of places, not the printout!!! (you'll see why), 11, 12
- - - - - HW C: p. 173: 5, 6, 8, 9 (the answer to #9 is wrong)
- M 11/2 Polynomials with coefficients in F_2 - - -
- M 11/9 Matrix approach to LFSR - - -
- M 11/16 [no class] - - -