Recent Projects
Notes
ActiveMy notes on what I am studying at Computer Science & Engineering at University of Moratuwa in each semesters.
Recent Posts
June 30, 2026
An Interactive Guide to RSA
How public-key cryptography lets anyone encrypt a message that only you can decrypt, and the math behind why it is so hard to break.
June 26, 2026
An Interactive Guide to Diffie-Hellman Key Exchange
How two strangers agree on a secret over a fully public channel, and the math that makes it hard to break.
June 18, 2026
Building Echo
A devlog of building a macOS music player in Swift and SwiftUI, one day at a time.
June 17, 2026
We Switched From ClickHouse to Postgres
A case study in choosing the wrong database for the right reasons, and what it took to fix it.