Secure messenger MVP for BitBurner-inspired teams.

BitWhisper is a web-first, text-only E2EE messenger. Keys are generated client-side, ciphertext is stored server-side, and the stack stays lean with Cognito, API Gateway, Lambda, DynamoDB, and S3.

Minimal Secure Flow

E2EE pipeline for 1-to-1 text chat.

Security-first MVP scope

E2EE

X25519 + XChaCha20

Key exchange with X25519 and message encryption with XChaCha20-Poly1305 via libsodium.js.

WEB

Plain HTML/CSS/JS

No framework lock-in. The MVP is simple, fast, and easy to audit.

MVP

1-to-1 text only

No push, no attachments, no groups. Just secure text chat.

AWS

Cognito + Lambda + Dynamo

Auth, API, and storage built on Cognito, API Gateway, Lambda, DynamoDB, and S3.