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Keeping secrets: What you need to know about encryption

Dee Dee Lavinder


From ciphers to cybersecurity, encryption is all around us. We rely on digital security while we bank, shop, and communicate. At the core of that security lies encryption. As developers, we use some form of encryption in our work every day. Maybe we are storing or sending data online, implementing authentication protocols, or protecting our customers' payment information.

This talk will cover the basics of a topic extensive enough to spend years studying. What is encryption? How does it work? Why is it important? You can expect to come away with a solid understanding of the foundational concepts of encryption. We will also take a little bit of time to peek into the future of encryption, where things are getting exciting!


3 years, 7 months ago

Tagged with

security · encryption · DeeDee Lavinder · Free the Future · LibrePlanet conference · LibrePlanet 2020 video · LibrePlanet 2020 · LibrePlanet · lp2020 · video · FSF


CC BY-SA 4.0


This talk was presented at LibrePlanet.


LibrePlanet is the Free Software Foundation's annual conference. The FSF campaigns for free/libre software, meaning it respects users' freedom and community. We believe that users are entitled to this; all software should be free.


We do not advocate "open source".

That term was coined to reject our views. It refers to similar practices, but usually presented solely as advantageous, without talking of right and wrong.


Richard Stallman launched the free software movement in 1983 by announcing development of the free operating system, GNU. By 1992, GNU was nearly operational; one major essential component was lacking, the kernel.


In 1992, Torvalds freed the kernel Linux, which filled the last gap in GNU. Since then, the combined GNU/Linux system has run in millions of computers. Nowadays you can buy a new computer with a totally free GNU/Linux system preinstalled.


The views of the speaker may not represent the Free Software Foundation. The Foundation supports the free software cause and freedom to share, and basic freedoms in the digital domain, but has no position on other political issues.