Development

“If This, Then Panic!” Sample Code for Triggering Emergency Alerts

October 17, 2016

Earlier this year, we announced the PanicKit Library for Android and Ripple, our basic app for alerts any compatible app that you are in an emergency …

How to Migrate Your Android App’s Signing Key

December 29, 2015

It is time to update to a stronger signing key for your Android app! The old default RSA 1024-bit key is weak and officially deprecated. What? The …

Hiding Apps in Plain Sight

May 7, 2015

Beyond just thinking about encryption of data over the wire, or at rest on your mobile device, we also consider physical access to your mobile 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 …

Gibberbot’s “ChatSecure” MakeOver: Almost Done!

September 20, 2013

In a previous post with the mouthful of a title “Modernizing Expectations for the Nouveau Secure Mobile Messaging Movement”, I spoke about all of the …

Modernizing Expectations for the Nouveau Secure Mobile Messaging Movement

July 16, 2013

The tl;dr of this lengthy (tho entertaining and immensely important!) post is this: Stopping with “We support OTR” or “We support PGP” is not enough …

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 …

Lower Bounds of The Narrow Bands

February 22, 2013

Voice is becoming a standard feature of any messaging app on mobile phones, in various forms using many different protocols. There’s the old guard, …

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 …