Recently I found myself in a position where I needed to decrypt card data coming off of a magnetic stripe scanner. I originally thought this was going to be straight forward. Get a key and pass it into some predefined decryption algorithm. Not quite.

Source: Parthenon Software | How To Decrypt Magnetic Card Data With DUKPT

alexa-avs-raspberry-pi – This project demonstrates how to access and test the Alexa Voice Service using a Java client (running on a Raspberry Pi), and a Node.js server.

Source: GitHub – amzn/alexa-avs-raspberry-pi: This project demonstrates how to access and test the Alexa Voice Service using a Java client (running on a Raspberry Pi), and a Node.js server.