Encryption works. Properly implemented strong crypto systems are one of the few things that you can rely on. Unfortunately, endpoint security is so terrifically weak that NSA can frequently find ways around it.
— Edward Snowden, answering questions live on the Guardian's website
On July 2, 2013, Freedom of the Press Foundation published this whitepaper entitled Encryption Works. You can find the original online or in the PDF and ODT format in the "original" folder.
This version has been converted to markdown so it can be easily tracked in git and collaboratively edited. The guide itself is in encryption_works.md.
This work is licensed under Creative Commons Attribution 3.0 Unported License.
-- Micah Lee @micahflee | micah@pressfreedomfoundation.org 0x5C17616361BD9F92422AC08BB4D25A1E99999697