Security and Cryptography (S2, 2013)

Number Theory

Lecture Material

Lecture Notes: View, Print

Readings

Cryptography and Network Security by Stallings: chapter 8
Computer Security by Stallings and Brown: appendix B
Cryptography and Network Security by Forouzan: chapter 9
Network Security by Kaufman, Perlman and Speciner: chapter 7
Handbook of Applied Cryptography by Menezes, van Oorschot and Vanstone: chapter 2, 3

Videos

This year: Part 1, Part 2, Part 3
Last year: Part 1, Part 2

Notes

Hover over images to see the title; right-click and view the image to zoom in. Alternatively, download a zip archive with all the images or a printable PDF of the notes.

Divisors (Factors) Examples Addition and Subtraction in Modular Arithmetic Multiplication in Modular Arithmetic Division in Modular Arithmetic Expansion for Multiplication and Exponentiation Fermats Theorem Example Eulers Totient Function Eulers Theorem Example Discrete Logarithm Example Primitive Root Example Discrete Log Example

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