git things done, build products, learn constantly, share knowledge.https://www.aravi.me/https://www.aravi.me/blog/changing-flutter-app-name/https://www.aravi.me/blog/changing-flutter-app-name/A step-by-step guide on changing your Flutter app display name on Android and iOS.Tue, 26 Mar 2024 00:00:00 GMThttps://www.aravi.me/blog/role-based-access-in-firebase-firestore-firestore-rules/https://www.aravi.me/blog/role-based-access-in-firebase-firestore-firestore-rules/I made a security mistake in my Firebase app by storing roles in the wrong place here is how I fixed it with proper Firestore rules.Wed, 27 Mar 2024 00:00:00 GMThttps://www.aravi.me/blog/nginix-web-server-on-ec2-terraform/https://www.aravi.me/blog/nginix-web-server-on-ec2-terraform/I automated my first AWS deployment with Terraform here is how it went and what I learned about Infrastructure as Code.Fri, 26 Apr 2024 00:00:00 GMThttps://www.aravi.me/blog/willpopscope-is-now-popscope-in-flutter/https://www.aravi.me/blog/willpopscope-is-now-popscope-in-flutter/I recently upgraded Flutter and had to migrate from WillPopScope to PopScope here is what I learned about the new API.Sat, 30 Mar 2024 00:00:00 GMThttps://www.aravi.me/blog/building-signal-protocol-messenger/https://www.aravi.me/blog/building-signal-protocol-messenger/The story of how I built an end-to-end encrypted messaging app from watching a few youtube videos through database switches, native code experiments, and the day I finally got it all working.Tue, 10 Mar 2026 00:00:00 GMThttps://www.aravi.me/blog/double-ratchet-algorithm/https://www.aravi.me/blog/double-ratchet-algorithm/A technical deep dive into the Double Ratchet algorithm how Signal Protocol achieves perfect forward secrecy and future secrecy by continuously rotating keys with every message.Tue, 10 Mar 2026 00:00:00 GMThttps://www.aravi.me/blog/x3dh-extended-triple-diffie-hellman/https://www.aravi.me/blog/x3dh-extended-triple-diffie-hellman/A deep dive into the X3DH protocol the foundation of Signal Protocol encryption, explaining how ephemeral and long-term keys combine to create perfect forward secrecy and future secrecy.Tue, 10 Mar 2026 00:00:00 GMT