Open Source

Building the most private app store

June 2, 2016

App stores can work well without any tracking at all Attackers are increasingly seeing app stores as a prime attack vector, whether it is aimed at the …

Getting Android tools into Debian

April 30, 2015

As part of Debian’s project in Google Summer of Code, I’ll be working with two students, Kai-Chung Yan and Komal Sukhani, and another mentor from the …

Getting keys into your keyring with Gnu Privacy Guard for Android

December 6, 2013

Now that you can have a full GnuPG on your Android device with Gnu Privacy Guard for Android, the next step is getting keys you need onto your device …

Turn Your Device Into an App Store

November 18, 2013

As we’ve touched upon in previous blog posts the Google Play model of application distribution has some disadvantages. Google does not make the Play …

Your own private dropbox with free software

November 12, 2013

There are lots of file storage and sharing software packages out there that make it easy for a group of people to share files. Dropbox is perhaps the …

Setting up your own app store with F-Droid

November 5, 2013

(This blog post as now been cooked into an updated HOWTO) The Google Play Store for Android is not available in all parts of the world, US law …

GnuPG for Android progress: we have an command line app!

May 9, 2013

This alpha release of our command-line developer tool brings GnuPG to Android for the first time! GNU Privacy Guard Command-Line (gpgcli) gives you …

IOCipher beta: easy encrypted file storage for your Android app

February 7, 2013

At long last, we are proud to announce the first beta release of IOCipher, an easy framework for providing virtual encrypted disks for Android apps. …

report on IOCipher beta dev sprint

January 31, 2013

We are just wrapping up an intensive dev sprint on IOCipher in order to get the first real beta release out, and it has been a wonderfully productive …

IOCipher lives! encrypted virtual file system for Android

May 17, 2012

Nathan and I just got the first complete test of IOCipher working in the IOCipherServer/SpotSync app. We created a filesystem sqlite.db file, then …