ChicagoRuby is a group of developers & designers who use Ruby, Rails, and related tech.

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Modern Cryptography (Part 1 of 2) by John Downy

Recorded June 05, 2012 at ChicagoRuby Downtown

Once the realm of shadowy government organizations, cryptography now permeates computing. Unfortunately it is difficult to get correct and most developers know just enough to be harmful for their project. Together we’ll go through the basics of modern cryptography and where things can go horribly wrong.

About John Downy

John Downey is a Developer working at Braintree. He has contributed to many open source efforts including the Rubinius project. He tweets at @jtdowney and most of his code is up on

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