All recordings are at here

Aug 26: Admin, Shift Ciphers. Slides

Aug 28: Kerckhoff's Principle, Affine, Vig Cipher Slides

Sep 4: More on Vig, Matrix Cipher, one-time pad, rand numb gens Slides

Sept 9: Rand numb gens, An issue Slides

Sept 11: NY,NY problem, Randomized Shift, The Bday Paradox Slides

Sept 16: The Tampering problem, HW review, the Phi Function Slides

Sept 18: Public Key : Intro, Discrete Log, Finding Gens Slides

Sept 23: Public Key : Finding Gens, Primality Testing, Diffie Helman Slides

Sept 25: Public Key : Dif Hel, El Gamal. Slides

Sept 30: Public Key : RSA. Slides

Oct 2 : Public Key : Low-e attack Slides

Oct 7: Public Key : N's same attack, Pollard's p-1-algorithm Slides

Oct 9: Rabin Enc, Blum variant of Rabin Enc (first X slides) Slides

Oct 14: Goldwasser-Micali Enc, Blum-Goldwasser Enc, (last Y slides) Slides

Oct 14: LWE Diffie Helman Slides

Oct 16: Clyde Kruskal: Cheating at Bridge

Oct 21: HW review SLIDES

Oct 23: Miderm Review SLIDES–OLD MID SLIDES — MIDREV

Oct 28: Midterm

Oct 30: Factoring: Jevons and Pollard-rho SLIDES

Oct 30: Factoring: Jevons and Pollard-rho TALK

Nov 4,6: Factoring: Quad Sieve Factoring SLIDES

Nov 4: Factoring: Quad Sieve Factoring TALK

Nov 6: Factoring: Quad Sieve Factoring TALK

Nov 11: Info-Theoretic Secret Sharing one SLIDES

Nov 13: Info Theoretic Secret Sharing two SLIDES

Nov 18: Comp Theoretic Secret Sharing SLIDES

Nov 20: Alice, Bob, Crypto, Cards, and Love SLIDES

Nov 25- A Tale oF two Books Slides

Dec 2- ‘‘Lloyd’’ from the NSA Slides on Enigma

Dec 2- ‘‘Lloyd’’ from the NSA Slides on NSA

Dec 4: HW Review Slides

Dec 9: Review for the Final SLIDES