Android

Experimental app to improve privacy in location sharing

January 29, 2015

As part of the T2 Panic effort, I’ve recently been diving deep into the issues of sharing location. It is unfortunately looking really bad, with many …

First working test of IOCipher for Obj-C

January 26, 2015

Every so often, we revisit our core libraries in the process of improving our existing apps, and creating new ones. IOCipher has become a standard …

Sharing your location privately

January 23, 2015

Facebook location sharing embeds the location in every single message, providing a detailed log to the recipient, Facebook, and anyone Facebook …

CipherKit updates: IOCipher and CacheWord

September 26, 2014

We’ve been on a big kick recently, updating the newest members of our CipherKit family of frameworks: IOCipher and CacheWord. There also are is a …

Introducing TrustedIntents for Android

July 30, 2014

Following up on our research on secure Intent interactions, we are now announcing the first working version of the TrustedIntents library for Android. …

New Official Guardian Project app repo for FDroid!

June 30, 2014

We now have an official FDroid app repository that is available via three separate methods, to guarantee access to a trusted distribution channel …

Our first deterministic build: Lil’ Debi 0.4.7

June 9, 2014

We just released Lil’ Debi 0.4.7 into the Play Store and f-droid.org. It is not really different than the 0.4.6 release except in has a new, …

Automatic, private distribution of our test builds

June 6, 2014

One thing we are very lucky to have is a good community of people willing to test out unfinished builds of our software. That is a very valuable …

Security in a thumb drive: the promise and pain of hardware security modules, take one!

March 28, 2014

Hardware Security Modules (aka Smartcards, chipcards, etc) provide a secure way to store and use cryptographic keys, while actually making the whole …

Improving trust and flexibility in interactions between Android apps

January 21, 2014

Activity1 sending an Intent that either Activity2 or Activity3 can handle. Android provides a flexible system of messaging between apps in the form …