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CSE 788.11Cryptography and Security

Ten H. LaiAutumn 2009

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• Instructor: Steve Lai– Office: DL 581– Office hours: TR 2:00-3:00 p.m.– Email: lai@cse.ohio-state.edu– Home page: www.cse.ohio-state.edu/~lai

• Prerequisite: CSE 651 or 794Q or 788Wi08, or equivalent, or strong interest in cryptography and security.

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Topics• Introduction

– Basics of cryptography– Homomorphic encryption

• Cryptographic protocols– Identification schemes– Commitment schemes– Electronic elections– Digital cash

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• Applications of homomorphic encryption– Watermarking/fingerprinting protocols– Electronic auctions and lotteries– Protection of mobile agents– Oblivious transfer– Privacy preserving data mining– Others

• Other topics on cryptography and security, e.g.,– Hash visualization, using iPhones for human-

verifiable authentication– Can machine learning be secure?

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Textbook

• Chapter 4, Cryptographic Protocols, Hans Delfs & Helmut Knebl

Introduction to Cryptography: Principles and Applications (2nd edition)

Springer, 2007

• Recent papers in the literature

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Grading plan

• Class attendance and participation (40%)– Please be in class on time!

• Slides and presentation (60%)• Power point file due:

– Draft, two day before your presentation– Final version, December 3