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Cryptography. Cryptography is an indispensable tool for protecting information in computer systems. This course explains the inner workings of cryptographic primitives and how to correctly use them. Students will learn how to reason about the security of cryptographic constructions and how to apply this knowledge to real-world applications. The course begins with a detailed discussion of how two parties who have a shared secret key can communicate securely when a powerful adversary eavesdrops and tampers with traffic. We will examine many deployed protocols and analyze mistakes in existing systems. The second half of the course discusses public-key techniques that let two or more parties generate a shared secret key.

The course will include written homeworks and programming labs. A preview of the course, including lectures and homework assignments, is available at this preview site. Introduction to Cryptography. Public Key Cryptography: Diffie-Hellman Key Exchange. Preview Lectures. We are sorry, but an error has occured and the details of the error message is below. If this error message persists, please contact a system administrator for more details. Error Message: Not allowed Return to Previous Page This page features MathJax technology to render mathematical formulae.