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// https://developers.cloudflare.com/workers/about/ 
// https://tutorial.cloudflareworkers.com
//
// A Service Worker which adds Security Headers.
// Checks:
//     https://securityheaders.io/
//     https://observatory.mozilla.org/
//     https://csp-evaluator.withgoogle.com/
//     https://hstspreload.org/
//     https://www.ssllabs.com/ssltest/

olbat

Cryptography I

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. More ...

Week 1

This week's topic is an overview of what cryptography is about as well as our first example ciphers. You will learn about pseudo-randomness and how to use it for encryption. We will also look at a few basic definitions of secure encryption.

Introduction

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Course name: Cryptography 1 URL: https://class.coursera.org/crypto-007/class

Lectures

Week 1

Course Overview (11 min)

• HTTPS is actually not a protocol of its own. It’s simply regular HTTP on top of SSL/TLS.

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Crypto Notes Week 1

The first half of the course will be about sym. enc. and the second half will be about public key enc.

Introduction and Prereqs

What is cryptography?

The core of cryptography is about:

• establishing a secret key between two parties