Public Key Cryptography explained simply with paint

Have you ever wondered how sensitive data is exchanged over the Internet and kept secret from prying eyes? Here’s a great explanation of Public Key Cryptography using paint.

http://www.youtube.com/watch?v=3QnD2c4Xovk

Check out the rest of his videos, there’s more interesting security-related stuff.

http://www.youtube.com/user/ArtOfTheProblem