# CMSC 456 Slides and Recordings

# Aug 27: Admin, Shift Ciphers, Kerchoff's Principle. Slides Recording

# Aug 29: Shift, Affine, Vig Cipher Slides Recording

# Sep 5: Vig Cipher, Matrix Cipher, Issues that arise.Slides Recording

# Sep 10: Issues that arise, 1-time pad, more issues that arise Slides Recording

# Sep 12: Public Key : Numb Theory Algos,Dif Hel Slides Recording

# Sep 17: Public Key : Dif Hel, El Gamal. Slides Recording WB WB

# Sep 19: Special Talk on Muffins Slides

# Sep 24: Huijing Gong: Lattice Based Crypto Slides

# Sep 26: Prof. Michelle Mazurek: Why Dev's make sec/crypto mistakes Slides

# Oct 3: Public Key: Low e attacks on RSA, Rabin Enc. Slides Recording

# Oct 8: Public Key: Low e (redone), Rabin, GM, BG. Slides Recording

# Oct 15: Public Key. LWE-KE, Dif Hel Correction. Slides Recording

# Oct 22 : Clyde Kruskal: Cheating at Bridge

# Oct 29: Midterm

# Nov 5: Info Theoretic Secret Sharing Slides Recording

# Nov 7: Comp Theoretic Secret Sharing Slides Recording

# Nov 12: VSSharing/Voting, Rig SecSlides Recordings

# Nov 14: Comp Sec, Psuedorand Gen Slides Recordings

# Nov 19: Stream Ciphers: LFSR, Trivium Slides Recording

# Nov 26: CPA, Rand Ciphers, Psuedorand Funcs, Hw09 Sol Slides Slides Recording

# Nov 28: Guest lecture by Lloyd Rawley-NSA Slides

# Dec 5: Guest lecture by Jon Katz on Crypto Currency