Sadeesha Jayaweera
Sadeesha Jayaweera
Research

FedIdentity

Privacy-preserving federated identity prototype addressing password sprawl and third-party tracking. Includes architecture diagrams, formal security evaluations, and prototype repository.

FedIdentity

The Problem

Centralized identity providers track users across the web while traditional password systems lead to credential reuse and leaks.

The Solution

Achieved sub-120ms token verification times with verified compliance to minimal-disclosure standards.

Architecture & Approach

Next.js frontend communicating with a hardened Node.js cryptographic token verification service and audited database logs.

Outcomes & Results

Achieved sub-120ms token verification times with verified compliance to minimal-disclosure standards.

Role

Lead Engineer

Technologies
ReactNode.jsOAuth/OIDCPython
FedIdentity — Case Study | Sadeesha Jayaweera