Studied @ Vienna University of Technology, Computer Science Master. Software Engineer currently working as architect, backend dev, cloud engineer, it ops rookie. Cryptography and security are my passions.

Open Source Projects

• Java Bcrypt Password Hash Implementation
• Dali: Android Image Blur Library
• Under the Hood: Android Debug View Library
• Bytes: Java byte utility library
• slf4j-timber: Timber SLF4J Binding
• Armadillo Encrypted Shared Preferences
• Dice: Random Byte Generator CLI Tool using NIST SP800-90Ar1 HMAC-DRBG
• RFC5869 Standalone HKDF Java implementation
• Multi platform image density converting for Android, iOS and web
• Uber ADB Tools - uninstalling, installing and bugreport with multiple apps & devices
• Uber APK Signer - siging, zipalign & verify
• Fully Implemented Indoor Positioning System using Router as active nodes
• Blur Benchmark Android App

Articles

• Security Best Practices: Symmetric Encryption with AES in Java ^{(featured in Android Weekly #291, Android Digest #176)}
• Managing Logging in a Multi-Module Android Application
• Handling Proguard as Library Developer or in a Multi-Module Android Application
• Security Best Practices: Symmetric Encryption with AES in Java and Android: Part 2

^{Top Android Users on SO in Austria}