A Better Way to Protect Your Database IDs
A new approach on protecting your internal IDs with a strong cryptographic schema and many other useful features. Inspired by HashIds.
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Security Best Practices: Symmetric Encryption with AES in Java and Android: Part 2
If you can’t use authenticated encryption like AES+GCM, this article will show how and why to use AES+CBC with Ecrypt-then-Mac with HMAC.
The Bcrypt Protocol… is kind of a mess
While writing my own bcrypt library, I discovered a lot of odd things surrounding the bcrypt protocol.
WeAreDevelopers Conference 2018
WeAreDevelopers 2018 delivered an impressively large, celebrity-packed developer convention in Vienna, but for me the scale made it feel impersonal and the content often too surface-level to justify returning.
The Concise Interface Implementation Pattern
A convenient pattern to always use interfaces where possible but to keep the code-footprint and complexity of relations small
Improving ProGuard Name Obfuscation
In this article I will show you how to strengthen ProGuard’s name obfuscation, making it harder for an attacker the reverse engineer your…
Handling Proguard as Library Developer or in a Multi-Module Android Application
When starting a new project, all the Proguard configuration goes into that single proguard-rules.pro file. This is fine for the beginning…
Managing Logging in a Multi-Module Android Application
In this article I will show you how we adapted our logging strategy to a massively grown project structure. In the first part I will go…
Security Best Practices: Symmetric Encryption with AES in Java and Android
What to consider when encrypting your data and how to correctly implement it with AES-GCM.
Droidcon London 2017
Droidcon London 2017 combined high-quality Android engineering talks with a fun and community-driven atmosphere, making it one of the most enjoyable Android conferences in Europe.
WeAreDevelopers Conference 2017
The We Are Developers Conference 2017 took place on May 11–12 at Vienna’s Marx Halle, drawing thousands of developers to a program spread across three stages, three igloos, and a large expo and lounge area.
Script 17
Script17 was a one-day JavaScript conference featuring international speakers and a dense program of engaging talks covering a wide range of topics.
Droidcon Vienna 2016
Droidcon Vienna 2016 was an Android-focused developer conference held in Vienna, bringing together engineers and community members for talks and workshops on Android app development.
DevFest Vienna 2015
A community-driven DevFest at TU Wien in 2015 with strong Android and web focus, blending student energy, free pizza, and early-stage tech talks.
Droidcon London 2015
Droidcon London 2015 was a major Android developer conference in London that brought together engineers, designers and vendors for talks, workshops and hands‑on sessions.