source

w02m01 source

## Intro to Asymmetric Key Cryptography

This video is part of a larger online course, “From Barter to Bitcoin: Society, Technology and the Future of Money” run by Prof. Bill Maurer and Prof. Donald J. Patterson In addition to the video on YouTube there is a variety of other content available to students enrolled in theContinue Reading

## Intro to Symmetric Key Cryptography

This video is part of a larger online course, “From Barter to Bitcoin: Society, Technology and the Future of Money” run by Prof. Bill Maurer and Prof. Donald J. Patterson In addition to the video on YouTube there is a variety of other content available to students enrolled in theContinue Reading

## Introduction to Cryptography

Summary Explanation of symmetric (single key) and asymmetric (public/private key) encryption, GnuPG (GPG) basics. Reference Materials http://www.gnupg.org/documentation/index.en.html – GnuPG Documentation Introduction to Cryptography Basic Principles ftp://ftp.pgpi.org/pub/pgp/6.5/docs/english/IntroToCrypto.pdf source

## RSA-Cryptography 3

We decode a message using the RSA cryptography system used in the previous video. source

## RSA-Cryptography 2

We construct a small RSA cryptography system using basic number theoretic results, including linear congruences, Euler’s function and Euler’s Theorem. source

## RSA Cryptography 1

I created this video with the YouTube Video Editor (http://www.youtube.com/editor) source

## Bitcoin 101 – Elliptic Curve Cryptography – Part 5 – The Magic of Signing & Verifying

There is nothing more magical in Bitcoin, or all of cryptography than digital signatures. And the most magical step of all is the verification. This is the step we focus on in this video, generating the entire process in just 50 lines of code (no imports or special function calls!)Continue Reading

## Bitcoin 101 – Elliptic Curve Cryptography – Part 4 – Generating the Public Key (in Python)

Welcome to part four in our series on Elliptic Curve Cryptography. I this episode we dive into the development of the public key. In just 44 lines of code, with no special functions or imports, we produce the elliptic curve public key for use in Bitcoin. Better still, we walkContinue Reading