Recent Projects
Notes
ActiveMy notes on what I am studying at Computer Science & Engineering at University of Moratuwa in each semesters.
Recent Posts
August 10, 2026
An Interactive Guide to DES
How the cipher that secured banking and government data for 20 years works, and why the same design that made it elegant also made it breakable.
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.