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MAT 302: Algebraic Cryptography

MAT 302: Algebraic Cryptography

MAT 302: Algebraic Cryptography. LECTURE 1. Jan 2, 2012. MAT 302: Cryptography from Euclid to Zero-Knowledge Proofs. LECTURE 1. Jan 2, 2012. Administrivia (see course info sheet). Instructor . Vinod Vaikuntanathan. 3073 CCT Building. first.last@utoronto.ca. Location & Hours .

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576 views • 40 slides
Cryptography

Cryptography

Cryptography. Chapter 2 of Tjaden, Brett, Fundamentals of Secure Computer Systems. Franklin, Beedle & Associates, 2004. Overview. What is cryptography? Classic cryptosystems The Caesar cipher Monoalphabetic replacement cipher The one-time pad Types of cryptosystems Codes vs. ciphers

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510 views • 38 slides
Using Cryptography for Network Security

Using Cryptography for Network Security

TCP/IP Internet. Host A. Host B. Using Cryptography for Network Security. Common problems: Authentication - A and B want to prove their identities to one another Key-distribution - A and B want to agree on a session key that can be used to encrypt all subsequent communications.

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358 views • 20 slides
Using Cryptography for Network Security

Using Cryptography for Network Security

TCP/IP Internet. Host A. Host B. Using Cryptography for Network Security. Common problems: Authentication - A and B want to prove their identities to one another Key-distribution - A and B want to agree on a session key that can be used to encrypt all subsequent communications.

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208 views • 20 slides
The Digital Revolution

The Digital Revolution

The Digital Revolution. Chapters 16 & 17 Sarah Cameron 18 March 2010. Outline. Review of Modular Arithmetic Identification Numbers ZIP Codes Bar Codes Binary Codes Encryption. Review of Modular Arithmetic. a mod n = the remainder when a is divided by n Examples: 3 mod 2 = 1

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358 views • 18 slides

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