How to Centralize your Checkstyle Configuration with Maven
Maintaining Checkstyle configs in a multi-repo project can be a chore. Let maven help you to create a global one.
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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.
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.
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.