# CMSC 456 Slides and Recordings. Dates for the future are guesswork

# 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 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 NSA

# Dec 4: HW Review Slides

# Dec 9: Review for the Final SLIDES