Encryption [Video]
What is encryption and who can use it?
Info
Encryption has been used throughout history to disguise messages and allow secret communcation. This module explores some of the more rudimentary ciphers such as those used in Ancient civilsaztions and asks the children to crack some simple codes through frequency analysis.
Encryption is a fascinating topic and we begin to discuss its central importance to the privacy debate. Without encryption there could have been no Panama Papers. Encryption allows peace campaigners, dissidents and activists to challenge corrupt regimes, but it lets paedophiles and terrorists communicate secretly, away from the eyes of law enforcement.
By examining the role of Programmable Logic Computers, children will understand that so many of the things we rely on in our daily lives are run by computers, whether in factories, lifts, elevators or distribution centres. We ask them to consider the risks of malware getting into these automated systems.
We need to keep financial information hidden from the prying eyes of cyber criminals but what else do we have the right to hide and disguise? Children are asked here to consider privacy as a human right and the notion that without privacy, there can be no freedom.
It allowed Julius Caesar to outsmart opponents and win battles.
It was central to the allies’ success during the war.
WhatsApp use it to disguise every one of the messages sent by its billion monthly users.
And Isis rely on it to plan their attacks.
Police and privacy campaigners disagree about the importance of encryption.
But what do you think?
