Tutorial by Prof Chris Bishop: how encryption keys work.

Tutorial by Prof Chris Bishop: how encryption keys work.

What does the padlock icon on your internet browser mean and why is encryption important? In this clip from 2008 CHRISTMAS LECTURES "Hi-tech trek", Chris Bishop uses coloured water to demonstrate how information is transferred on the internet.

Link to original: https://www.youtube.com/watch?v=EDTx3meIeT0